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14 Platform Engineer Cover Letters

Approved by real hiring managers, these Platform Engineer cover letters have been proven to get people hired in 2025. A hiring manager explains why.

Hiring Manager for Platform Engineer Roles
Compiled by: Kimberley Tyler-Smith
Senior Hiring Manager
20+ Years of Experience
Platform Engineer Cover Letter
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Platform Engineer Cover Letter Example

Dear Hiring Manager,

I am excited to apply for the Platform Engineer position at Amazon, a company that has always been a personal favorite of mine due to your innovative approach to technology and commitment to providing excellent customer experiences. As someone who has always been fascinated by the complex world of cloud computing, I find myself drawn to the unique challenges and opportunities that the AWS platform provides.

As a Platform Engineer with over five years of experience, I have been successful in building and maintaining scalable and efficient infrastructure solutions for a diverse range of clients. At my previous role with Resume Worded, I played a key part in reducing server deployment times by 45% through the implementation of automated processes and tools. This not only improved the efficiency of the engineering team but also significantly enhanced the overall performance of our applications.

I also led a project to migrate our applications to a containerized infrastructure using Docker and Kubernetes. This migration resulted in a 30% reduction in infrastructure costs, as well as increased flexibility and scalability of our applications. I believe that my experience in designing and implementing cloud-based solutions, along with my passion for problem-solving, would make me a valuable addition to the Amazon team.

I am particularly excited about the Platform Engineer role at Amazon because of the opportunity to work on cutting-edge cloud technologies and contribute to the ongoing growth and success of AWS. I am eager to bring my skills and expertise to a company that values innovation and continuous improvement.

Thank you for considering my application. I look forward to the opportunity to discuss how my background and skills can contribute to Amazon's mission and success.

Sincerely,

[Your Name]

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Why This Cover Letter Works in 2025

Establishes Experience

In this sentence, the candidate quickly establishes their years of experience, setting the stage for the rest of the cover letter. This is important for the reader to know upfront, as it helps set expectations.

Quantifiable Achievement

By providing a specific improvement with a percentage, the candidate demonstrates their ability to make a measurable impact. This is crucial to show your value and effectiveness to a potential employer.

Project Highlight

Sharing a project accomplishment showcases your skills in action and provides a clear example of your abilities. This is especially important for technical roles, as it demonstrates your expertise in relevant technologies.

Company Excitement

Expressing genuine excitement for the company and role helps to convey your passion and commitment. This can set you apart from other candidates who may not show as much enthusiasm.

Polite Conclusion

Ending the cover letter with a polite conclusion is important. It demonstrates professionalism and leaves a positive impression on the reader, increasing the likelihood of a positive response.

Platform Engineer Cover Letter Example

Dear Hiring Manager,

I am thrilled to apply for the Platform Engineer role at Amazon Web Services (AWS). I've always admired AWS for its commitment to innovation and its focus on customer-centric solutions. In my current role at Resume Worded, I've had the opportunity to work extensively with AWS technologies, and I've grown to appreciate the scalability and robustness they offer.

At Resume Worded, I was part of a team that developed a streamlined deployment process that saved us approximately 15 hours of manual work per week. By automating several steps and incorporating continuous integration and continuous deployment, we were able to significantly increase our productivity and reduce errors. I believe my knack for identifying areas of improvement and implementing effective solutions will be beneficial to AWS's ongoing efforts to enhance its platforms.

Furthermore, at RW Tech Company, I led a development team that successfully migrated a legacy system to a cloud-based architecture. This was a massive undertaking that took nearly a year to complete, but the end result was a 20% reduction in operation costs and a 30% increase in system performance. I am confident that my experience in managing complex projects and my deep understanding of cloud technologies make me a strong candidate for this role.

I am excited about the prospect of working at AWS because of its culture of innovation and its dedication to providing value to its customers. I am particularly drawn to the opportunity to work on cutting-edge technologies that have the potential to revolutionize how businesses operate.

Thank you for considering my application. I look forward to the possibility of contributing to AWS's continued success.

Sincerely,
[Your Name]

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Why This Cover Letter Works in 2025

Showcase Relevant Experience

Let's face it, hiring managers love seeing hands-on experience with their tools. It's like you're already a part of the team. When you mention your work with AWS technologies, it's like saying "I know your world, and I've thrived in it."

Quantify Achievements

As a Platform Engineer, you're expected to make processes more efficient. But when you say you saved around 15 hours of manual work per week, it gives me the scale of the impact you made. It's concrete proof of your problem-solving skills and the benefits you bring to the table.

Highlight Major Accomplishments

Successfully migrating a legacy system to a cloud-based architecture is no small feat. You're showing you can handle large, complex projects and deliver substantial benefits. The 20% reduction in operation costs and 30% increase in system performance speaks volumes of your ability to improve systems and save money.

Platform Engineer Cover Letter Example

Dear Hiring Team at Google,

I'm writing to express my interest in the Platform Engineer position. My journey with technology started in a cramped college dorm room, where I built my first server from scratch - mostly with spare parts and a lot of hope. That server, affectionately named "The Beast," became the unofficial mascot of our computer science department. It's this love for building and tinkering that brings me to Google. Your commitment to innovation and the open-source community is not just inspiring; it feels like home to me.

In my current role at Resume Worded Tech Company, I spearheaded the development of a cloud migration project that resulted in a 40% reduction in operational costs. This was no small feat. It involved convincing stakeholders, navigating through an ocean of legacy code, and a lot of late nights with my team. But seeing our work's impact made it all worthwhile. I also led the integration of a continuous deployment pipeline that improved deployment frequency by 300%, drastically reducing the time from development to production. I believe these experiences have equipped me with a unique perspective and skill set that I can bring to Google's dynamic team.

What excites me most about the Platform Engineer role at Google is the opportunity to work at the forefront of technology, pushing the boundaries of what's possible. Google's reputation for solving complex problems with innovative solutions is legendary, and I'm eager to contribute to this culture of excellence. Whether it's optimizing system architecture or developing scalable platforms, I'm ready to dive in and make an impact.

As I look forward to the possibility of joining your team, I'm excited about the prospect of not just being a part of Google's future, but actively helping to shape it.

Thank you for considering my application. I'm looking forward to the opportunity to discuss how my background, skills, and enthusiasms align with the needs of your team.

Best regards,

[Your Name]

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Why This Cover Letter Works in 2025

Showcasing Achievements & Impact

This sentence brilliantly highlights a key project and its tangible impact, outlining both the project's scale and its results. You should always aim to include such achievements, ideally quantified, to show the kind of value you've brought in a past role.

Illustrating Technical Proficiency

Here's another great example of showcasing technical skills, this time through the lens of improving a core process. By citing a 300% improvement in deployment frequency, the writer makes it easy for me to understand the kind of impact they could bring to my team.

Articulating Role Attractiveness

Enthusiasm for a role can be contagious. Expressing genuine excitement about the role’s opportunities, as in this sentence, can make me feel confident that you're applying because you're truly interested, not just looking for any job.

Ending on a Positive Note

This sentence wraps up the letter nicely, expressing gratitude and eagerness without being pushy. It also subtly hints at a follow-up, which can be a good way to keep the conversation going after the letter is sent.

Platform Engineer Cover Letter Example

Dear Alex,

I've been fascinated by Twilio's innovative communication solutions ever since I used your API to build a custom SMS notification system for my personal project. As a seasoned Platform Engineer with a knack for designing scalable and reliable systems, I'm thrilled to apply for the Platform Engineer role at Twilio.

Throughout my career, I've consistently delivered high-impact solutions that enhanced system performance and reliability. At RW Tech Company, I spearheaded the migration of our monolithic architecture to a microservices-based platform, resulting in a 40% reduction in latency and a 25% increase in system throughput. Additionally, I implemented a robust monitoring and alerting system that proactively identified and resolved issues, reducing downtime by 30%. My experience in designing scalable architectures, coupled with my expertise in languages like Java, Python, and Go, make me well-suited to contribute to Twilio's platform team.

I'm particularly drawn to Twilio's customer-centric approach and commitment to empowering developers with powerful communication tools. The opportunity to work on a platform that touches millions of users worldwide is incredibly exciting, and I'm eager to contribute my skills and experience to help Twilio continue to innovate and grow.

Thank you for considering my application. I look forward to the opportunity to discuss how I can contribute to Twilio's success as a Platform Engineer.

Best regards,
[Your Name]
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Why This Cover Letter Works in 2025

Show your personal connection to the company

When you talk about how you've used the company's products in your own projects, it shows me you're genuinely interested in what we do.

Detail your relevant achievements

Telling me about your past work and its impact shows you understand what's important in our field. It makes me believe you can do the same for us.

Connect your skills to the company's needs

Matching your technical skills with our specific needs tells me you've thought about how you can help us grow. It's good to see you know your strengths.

Express why the company's mission attracts you

Your excitement about our approach to customers makes me think you'll fit well with our culture. It's important that new hires share our values.

Close with a strong, polite call to action

A respectful request for a discussion about how you can contribute sets a positive tone for future interactions.

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Platform Engineer Cover Letter Example

Dear Jordan,

When I first discovered Datadog, I was impressed by the company's commitment to empowering developers with a unified view of their entire stack. As an avid user of monitoring tools myself, I know firsthand the challenges of maintaining visibility across complex, distributed systems. I believe Datadog is truly revolutionizing the way teams monitor and troubleshoot their applications, and I'm excited about the opportunity to contribute to this mission as a Platform Engineer.

In my current role at RW Tech Company, I've had the opportunity to work on a variety of platform engineering projects, from building out our continuous integration pipeline to optimizing our cloud infrastructure for cost and performance. One of my proudest achievements was leading the migration of our monolithic application to a microservices architecture, which reduced our deployment time by 80% and increased our application's scalability and resilience. I also implemented a centralized logging solution using the ELK stack, which gave our team unprecedented visibility into our application's behavior and allowed us to quickly identify and resolve issues.

What excites me most about the Platform Engineer role at Datadog is the opportunity to work with a talented team of engineers who are passionate about building tools that make developers' lives easier. I'm particularly drawn to the challenge of designing and implementing scalable, reliable systems that can handle the massive amounts of data generated by modern applications. I believe my experience building and operating large-scale distributed systems, combined with my passion for automation and tooling, make me a strong fit for this role.

Thank you for considering my application. I look forward to the opportunity to discuss how I can contribute to Datadog's success as a Platform Engineer.

Best regards,
[Your Name]
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Why This Cover Letter Works in 2025

Share your admiration for the company

Start by telling us what excites you about our company. This highlights your genuine interest.

Explain why the mission matters to you

Your enthusiasm for our core purpose suggests you'll be committed to our success.

Boast about your project leadership

Telling us about leading a significant project shows you're ready for responsibility.

Emphasize your excitement to join the team

Mentioning your eagerness to work with our engineers indicates you're a team player.

Match your skills with our needs

Conclude by aligning your experience with what we're looking for, making you a compelling candidate.

Platform Engineer Cover Letter Example

Dear Alex,

I've been obsessed with Twitch's platform since I first discovered it during a late-night coding session back in college. As an avid gamer and software engineer, I was immediately drawn to the seamless integration of live streaming and interactive chat. Now, as a seasoned Platform Engineer with a passion for building scalable systems, I'm thrilled to apply for the Platform Engineer position at Twitch.

During my tenure at Resume Worded, I spearheaded the development of a real-time data processing pipeline that handled over 100,000 events per second. By leveraging Apache Kafka and Elasticsearch, I optimized the system's performance, reducing latency by 40%. At Waffle, I architected a highly available microservices platform using Kubernetes and gRPC, enabling the company to scale its user base from 10,000 to 1 million within six months. These experiences have honed my skills in designing and implementing robust, scalable platforms that can handle massive amounts of data and traffic – a challenge I'm eager to tackle at Twitch.

What excites me most about this role is the opportunity to work on a platform that brings joy to millions of users worldwide. I'm particularly interested in exploring how machine learning can be used to enhance the viewer experience and optimize content delivery.

Thank you for considering my application. I look forward to the possibility of discussing how my skills and experience can contribute to Twitch's continued success.

Best regards,
[Your Name]
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Why This Cover Letter Works in 2025

Show your passion for the platform engineering field

When you share a personal story about discovering Twitch, it shows your genuine interest and passion for the platform, making you a more appealing candidate.

Highlight specific achievements in platform engineering

Describing your role in developing a real-time data processing pipeline demonstrates your ability to handle significant technical challenges, which is exactly what hiring managers want to see.

Demonstrate your experience with scalable systems

Mentioning your skills in designing and implementing robust platforms shows you're ready to tackle Twitch's challenges, underscoring your suitability for the role.

Connect with the company’s impact

Expressing excitement about working on a platform that brings joy to users worldwide illustrates your alignment with the company's mission, making you a more attractive candidate.

Express eagerness for the role

Closing your letter with a forward-looking statement about contributing to the company's success invites the hiring manager to envision you in the role.

Senior Platform Engineer Cover Letter Example

Dear Hiring Manager,

I am writing to express my interest in the Senior Platform Engineer role at Google Cloud. Having used Google Cloud's services in my work at Resume Worded, I am continuously impressed by the breadth and depth of its offerings. The ability to work on a platform that is used by millions of developers worldwide is indeed exciting.

In my current role at Resume Worded, I have not only developed high-performing applications but also mentored junior engineers and helped them grow in their roles. One of my proudest achievements was when a junior engineer I mentored took the lead on a major project and delivered it successfully. I believe that my technical skills, coupled with my ability to lead and inspire a team, would make me a valuable addition to Google Cloud.

During my tenure at RW Tech Company, I spearheaded the design and implementation of a multi-tenant architecture that allowed us to onboard new clients 50% faster. This was a significant win for our sales team, as it enabled them to close deals more quickly. I am confident that my ability to strategize and execute complex projects would be beneficial to Google Cloud.

The opportunity to contribute to a platform that is shaping the future of cloud computing is incredibly motivating. I am eager to bring my experience and passion for technology to Google Cloud and help drive its mission of democratizing cloud computing.

Thank you for considering my application. I am looking forward to the possibility of contributing to Google Cloud's mission and working with some of the best minds in the industry.

Sincerely,
[Your Name]
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Why This Cover Letter Works in 2025

Mention Leadership Skills

Being a Senior Platform Engineer isn't just about technical skills, it's also about leading a team. When you talk about mentoring junior engineers, you're demonstrating your leadership skills and ability to foster talent growth within your team. It's great to see that you're not just a star player, but also a team player.

Illustrate Strategic Thinking

Innovative strategies that lead to faster client onboarding show you're not only technically skilled, but also a strategic thinker. Your ability to strategize and execute complex projects will be highly beneficial, not just for the development team, but also for the wider business operations, like your sales team.

Senior Platform Engineer Cover Letter Example

Dear Hiring Manager,

Embarking on my career as a junior developer, I was constantly driven by the challenge of making complex systems simple and reliable. This passion led me to specialize in platform engineering, where I've spent the past decade refining my craft. It's this journey that brings me to apply for the Senior Platform Engineer position at Amazon. Your relentless pursuit of innovation and customer satisfaction resonates with my professional ethos and aspirations.

At RW Tech Company, I led a team in developing a microservices architecture that improved system resilience by 50% and reduced downtime by 75%. My approach was to foster collaboration across departments, ensuring that every team member understood the impact of their work on the overall system. This experience taught me the value of clear communication and shared goals in achieving technological breakthroughs. I also pioneered the adoption of containerization technologies, which streamlined our development pipeline and boosted productivity by 40%. These achievements underscore my ability to lead and innovate in complex technical environments.

Amazon's commitment to pushing the envelope and setting new industry standards is what excites me about joining your team. I am particularly drawn to your work on scalability and reliability in cloud services. With my background in developing robust platform solutions and leading high-performing teams, I am confident in my ability to contribute to Amazon's mission of being Earth's most customer-centric company.

The opportunity to bring my expertise to Amazon and work alongside some of the brightest minds in the industry is incredibly exciting. I am eager to leverage my skills and experiences to help Amazon continue to innovate and lead in the cloud computing space.

Thank you for considering my application. I look forward to the possibility of discussing how I can contribute to the success of your team and the revolutionary work you're doing at Amazon.

Warmest regards,

[Your Name]
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Why This Cover Letter Works in 2025

Demonstrating Leadership & Collaboration

In this sentence, you're not just boasting about your technical achievements, but also emphasizing your leadership skills, your ability to foster collaboration, and the importance you place on understanding system-wide impacts. This combination can make you attractive to any hiring manager.

Proving Innovation & Efficiency

This sentence does a fantastic job of exhibiting your capability to drive innovation and boost productivity. By providing a hard number, you're giving me clear evidence of your capability to make a positive difference.

Expressing Alignment with Company Values

In this sentence, you're showing that you're not only familiar with the company's philosophy but also that it aligns with your own professional values. This can reassure me that you'd fit well with the company culture.

Conveying Eagerness & Confidence

This sentence does a great job of expressing your eagerness and confidence about potentially joining the company, while also subtly reminding us of your expertise. This can leave a lasting impression of your enthusiasm and self-assuredness.

Senior Platform Engineer Cover Letter Example

Dear Hiring Manager,

As a long-time admirer of Stripe's innovative payment solutions, I was excited to come across the Senior Platform Engineer opening. With over 8 years of experience designing and building robust, scalable platforms, I am confident in my ability to make a significant impact on Stripe's platform team.

In my current role at RW Financial Tech, I led the development of a high-performance transaction processing platform that handles millions of transactions daily. By leveraging technologies like Kafka, Cassandra, and Kubernetes, I designed a system that achieved sub-100ms latency and 99.99% uptime. Additionally, I implemented a comprehensive chaos engineering program that proactively identified and mitigated potential failures, ensuring the platform's resilience under various stress scenarios.

My experience in building secure, compliant payment systems, coupled with my deep understanding of industry regulations like PCI-DSS and GDPR, make me uniquely qualified to contribute to Stripe's mission of enabling businesses to accept payments online. I am particularly excited about the opportunity to work on cutting-edge payment solutions that empower entrepreneurs and businesses worldwide.

Stripe's commitment to developer experience and platform reliability resonates strongly with my own values and approach to platform engineering. I am eager to bring my technical expertise, leadership skills, and passion for building world-class platforms to contribute to Stripe's continued success.

Thank you for considering my application. I would welcome the opportunity to discuss further how my skills and experience align with Stripe's platform engineering goals.

Sincerely,
[Your Name]
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Why This Cover Letter Works in 2025

Start with your admiration for the company

Showing you respect and understand what we do creates a strong first impression. It tells me you're serious about joining us.

Highlight your proactive approach to problem-solving

Describing how you've anticipated and solved problems proves you're not just reactive but strategic. That's a valuable trait in a senior platform engineer.

Emphasize your niche expertise

Detailing your experience with compliance and security shows you bring specialized knowledge we need. It helps me see you in the role already.

Share your alignment with company values

Your appreciation of our commitment to developers tells me you've got the mindset we're looking for in our team. It's good to hear you value what we do.

End with a respectful request for a meeting

A polite invitation to discuss your fit for the role suggests you're confident but not presumptuous about your chances. I like that approach.

Senior Platform Engineer Cover Letter Example

Dear Alex,

I've been following Twilio's journey for years, and I'm constantly impressed by the company's ability to innovate and push the boundaries of what's possible with communication technology. As a developer, I've had the opportunity to work with Twilio's APIs on several projects, and I've always been struck by the power and flexibility of the platform. When I saw the opening for a Senior Platform Engineer, I knew I had to apply.

In my current role at Resume Worded, I lead a team of platform engineers responsible for building and maintaining the infrastructure that powers our core product. One of my key focus areas has been improving our platform's scalability and reliability, which has involved implementing a number of critical initiatives, such as migrating our workloads to Kubernetes, adopting a GitOps workflow, and building out a robust monitoring and alerting system. As a result of these efforts, we've been able to increase our platform's capacity by 10x while maintaining 99.99% uptime.

Beyond my technical skills, I pride myself on my ability to collaborate effectively with cross-functional teams and stakeholders. In my role at RW Tech, I worked closely with our product and design teams to ensure that our platform was meeting the needs of our customers, and I regularly engaged with senior leadership to provide updates on our progress and align on strategic priorities. I believe this experience has prepared me well for the challenges and opportunities of the Senior Platform Engineer role at Twilio.

I'm excited about the prospect of joining a company that is at the forefront of communication technology, and I believe my skills and experience would allow me to make a meaningful contribution to Twilio's mission. Thank you for considering my application, and I look forward to the opportunity to discuss this role further.

Sincerely,
[Your Name]
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Why This Cover Letter Works in 2025

Show genuine interest in the company

When you express real admiration for a company's achievements, it shows you have done your research and are genuinely interested in becoming a part of their journey.

Demonstrate specific improvements you've made

Detailing the technical initiatives you've led, like migrating to Kubernetes, shows you have hands-on experience in enhancing platform efficiency and reliability.

Highlight collaboration skills

Stating your ability to work well with diverse teams indicates you value teamwork and understand its importance in achieving company goals.

Link past experiences to job requirements

Connecting your previous roles and achievements to the new job's challenges suggests you are well-prepared to tackle them.

Express enthusiasm for the role

Your excitement about joining the company and contributing to its mission can make you a more appealing candidate.

Senior Platform Engineer Cover Letter Example

Dear Jamie,

As a long-time admirer of Spotify's innovative approach to music streaming, I was ecstatic to come across the Senior Platform Engineer position. I still remember the first time I used Spotify – I was blown away by the personalized playlists and the seamless cross-device synchronization. Now, with over 8 years of experience in building high-performance platforms, I'm excited about the prospect of contributing to Spotify's mission of connecting artists and fans globally.

At Resume Worded, I led a team of 12 engineers in the development of a distributed caching system that reduced server load by 60% and improved response times by 30%. I also implemented a continuous deployment pipeline using Jenkins and Ansible, enabling the team to release new features twice as fast without compromising on quality. At RW Tech Company, I designed and built a real-time analytics platform using Apache Flink and Cassandra, processing over 500 million events daily. These experiences have equipped me with a deep understanding of the challenges and best practices in building scalable, fault-tolerant platforms – knowledge I'm keen to apply at Spotify.

I'm particularly drawn to Spotify's culture of innovation and experimentation. The opportunity to work on cutting-edge technologies like Backstage and collaborate with a talented team of engineers is truly exciting.

Thank you for taking the time to review my application. I'm eager to explore how my expertise can help Spotify continue to revolutionize the music streaming industry.

Best,
[Your Name]
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Why This Cover Letter Works in 2025

Show your admiration for the company

Opening your letter with personal admiration for Spotify's approach highlights your enthusiasm for the company, which is a great way to capture a hiring manager's attention.

Detail accomplishments with impact

By quantifying how you improved server load and response times, you offer a clear picture of your impact, proving your value as a candidate.

Share your knowledge in scaling platforms

Your discussion on building scalable, fault-tolerant platforms showcases your deep understanding and expertise, which are critical for a Senior Platform Engineer role.

Align with the company’s culture

Expressing your draw to Spotify's culture of innovation indicates you're not just a fit for the role technically, but also a good match for the team.

Show enthusiasm for contributing

Ending your letter with eagerness to contribute to Spotify's mission can make the hiring manager excited about the possibility of adding you to the team.

Platform Engineer II Cover Letter Example

Dear Sarah,

I still remember the sense of accomplishment I felt when I first used Shopify's platform to launch my own e-commerce store as a side project. The ease and flexibility of the platform left a lasting impression on me, and I've been closely following Shopify's growth ever since. As a Platform Engineer II with a strong background in building scalable e-commerce solutions, I am thrilled to apply for this role at Shopify.

In my current position at RW Commerce Tech, I played a key role in designing and implementing a microservices-based architecture that significantly improved our platform's scalability and resilience. By leveraging technologies like Docker, Kubernetes, and AWS, I helped migrate our monolithic application to a more modular, fault-tolerant system that reduced deployment times by 80% and increased our platform's capacity to handle peak traffic by 150%.

Additionally, I have extensive experience in optimizing database performance and implementing caching strategies to improve application responsiveness. By fine-tuning our PostgreSQL queries and leveraging Redis for caching, I reduced average query response times by 60%, significantly enhancing the user experience for our e-commerce clients.

Shopify's mission to make commerce better for everyone resonates deeply with me, and I am excited about the opportunity to contribute to a platform that empowers entrepreneurs and businesses of all sizes. I am particularly drawn to Shopify's focus on developer experience and the company's commitment to providing a robust, flexible platform that enables merchants to succeed in the fast-paced world of e-commerce.

Thank you for considering my application. I would love the opportunity to further discuss how my skills and experience align with Shopify's platform engineering goals and contribute to the company's continued success.

Best regards,
[Your Name]
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Why This Cover Letter Works in 2025

Show your personal connection

Talk about your own experiences with the platform. This shows me you understand our product from a user's perspective.

Detail your relevant achievements

Explain how you made a system better. It's important to know you can handle our technical needs.

Highlight your optimization skills

Specific examples of how you improved performance tell me you have the skills to enhance our platform's efficiency.

Connect with our mission

When you express why our goals matter to you, it shows you'll be passionate about our projects.

Express eagerness to contribute

End your letter by clearly stating your desire to discuss how you can help us grow. It shows you're ready to be part of our team.

DevOps Engineer Cover Letter Example

Dear Sam,

I still remember the first time I used Grafana to visualize metrics from my application. It was a true "aha" moment for me – suddenly, I had this powerful tool at my fingertips that allowed me to see exactly what was happening in my system in real-time. Since then, I've been a passionate advocate for observability and the role it plays in building reliable, high-performing systems. When I saw the opening for a DevOps Engineer at Grafana Labs, I knew I had to apply.

In my current role at Resume Worded, I'm responsible for the end-to-end delivery of our software products, from code to production. One of my key achievements has been implementing a GitOps workflow using Flux and Helm, which has allowed us to declaratively manage our Kubernetes cluster and automate our deployments. I also led the effort to implement a centralized observability platform using Prometheus, Grafana, and Loki, which has given us unprecedented visibility into our system's behavior and allowed us to quickly identify and resolve issues.

Beyond my technical skills, I'm deeply passionate about fostering a culture of collaboration and continuous improvement within the teams I work with. At RW Tech, I organized regular "lunch and learn" sessions where team members could share their knowledge and learn from each other, and I also led a cross-functional initiative to improve our incident response process. I believe this focus on culture and process is just as important as technical expertise when it comes to building high-performing teams.

I'm excited about the opportunity to bring my skills and experience to Grafana Labs and help drive the future of observability. Thank you for considering my application, and I look forward to the chance to discuss this role further.

Best,
[Your Name]
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Why This Cover Letter Works in 2025

Share a moment of insight

Talking about a specific moment that sparked your interest in a tool or technology makes your passion and curiosity clear.

Showcase your achievements with technology

Explaining how you've effectively implemented a GitOps workflow and automated deployments illustrates your capability to improve processes.

Emphasize a culture of learning

Sharing how you encourage knowledge sharing and continuous improvement among your team highlights your leadership and commitment to growth.

Value culture and process

By valuing both culture and technical expertise, you demonstrate a well-rounded approach to building successful teams.

Convey your vision for the future

Your excitement to contribute to the company's future in observability shows that you have a clear vision of how you can add value.

Platform Engineer - Infrastructure Cover Letter Example

Dear Taylor,

I've been using Slack since its early days, and I've watched with admiration as the platform has transformed workplace communication. As a Platform Engineer specializing in infrastructure, I'm thrilled about the opportunity to join Slack and contribute to its mission of making people's working lives simpler, more pleasant, and more productive.

During my time at Resume Worded, I led the migration of our monolithic application to a microservices architecture using Docker and Kubernetes. This initiative improved the system's scalability and reduced deployment times by 80%. At Waffle, I designed and implemented a multi-region, active-active infrastructure on AWS, ensuring 99.99% uptime for our mission-critical services. I also developed a custom monitoring solution using Prometheus and Grafana, enabling the team to proactively identify and resolve performance issues. These experiences have given me a solid foundation in building and maintaining resilient, scalable infrastructure – skills I'm excited to bring to Slack.

I'm particularly inspired by Slack's commitment to transparency and its open-source initiatives like Bolt and Slack Kit. The chance to work on projects that have a real impact on developers worldwide is incredibly motivating.

Thank you for considering my application. I look forward to the opportunity to discuss how my experience and passion for infrastructure can contribute to Slack's continued growth and success.

Best regards,
[Your Name]
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Why This Cover Letter Works in 2025

Show your personal connection to the platform engineer role

When you share your early use and admiration for the technology the company develops, it shows that your interest is deep and genuine. This makes me as a hiring manager feel that your passion aligns with our mission, making you a potentially great fit.

Demonstrate your technical achievements

Talking about your direct experience in transitioning to a microservices architecture highlights your ability to handle complex platform engineer tasks. It’s impressive when you can clearly state how your work improved system efficiency, as it gives a clear picture of the value you can bring to our team.

Highlight your infrastructure expertise

Mentioning your solid foundation in building and maintaining resilient infrastructure directly addresses the core skills needed for a platform engineer in infrastructure. Your excitement to bring these skills to a new team is contagious and makes me eager to learn more about how you can contribute.

Connect with the company’s values

Showing that you've done your homework about our open-source projects and that you share our values, particularly transparency, tells me you're not only technically fit but also a cultural match. This detail adds a powerful layer to your application by aligning your personal interests with our company goals.

Express eagerness for the interview

Ending your cover letter by expressing your desire to discuss how you can contribute to our success does two things: it reiterates your interest in the role, and it invites a next step. This shows me that you're proactive and serious about joining our team.

Alternative Introductions

If you're struggling to start your cover letter, here are 6 different variations that have worked for others, along with why they worked. Use them as inspiration for your introductory paragraph.

1
I've long admired Google not only for its groundbreaking technological advancements but also for its commitment to integrating sustainability and social impact into its business practices. As a cloud computing enthusiast and someone who has participated in multiple environmental initiatives, I feel a strong connection to Google Cloud's mission to empower organizations while minimizing their environmental footprint.
This intro stands out because it shows that the candidate feels a personal connection to the company's values and goals, giving them an extra layer of motivation to contribute to the company's success.

2
As a Platform Engineer with a passion for pushing the boundaries of what's possible in cloud computing, I couldn't think of a better place to grow and contribute my skills than at Microsoft, where Azure has made a name for itself as a pioneer in the industry. Having followed the development of Azure since its inception, I've always been inspired by the way Microsoft continues to innovate and evolve within the cloud computing space.
This introduction works well because it highlights the company's reputation as a leader in the industry while showcasing the candidate's enthusiasm for the field, indicating that they would be a highly engaged and knowledgeable team member.

3
As a Platform Engineer with a keen interest in data-driven decision making, I was thrilled to discover the opportunity to work at Netflix, a company well-known for leveraging data to create exceptional user experiences. I've experienced first-hand, as a long-time Netflix user, how data-driven insights can meaningfully impact the platform, and I'm eager to contribute to driving similar innovations within the company.
This intro effectively shows that the candidate understands the company's approach to its business and has personally experienced the benefits of their work, making them even more motivated to contribute to the company's ongoing success.

4
I've always been drawn to collaborative and growth-oriented environments, which is why I was excited to see the Platform Engineer opening at Slack. As a frequent user of Slack in both professional and academic settings, I've experienced the power of efficient communication and collaboration firsthand, and I'm eager to help build and maintain the infrastructure that supports this innovative platform.
In this introduction, the candidate demonstrates a personal connection to the company's product and highlights their enthusiasm for the role, showing that they understand the importance of the work they would be doing and would be highly motivated to contribute to the company's objectives.

5
Having worked on multiple projects where security and data privacy were of utmost importance, I was immediately intrigued by the Platform Engineer role at Proton Technologies, the company behind the highly respected ProtonMail and ProtonVPN services. I admire Proton's dedication to providing secure and private communication tools, and I'm excited about the opportunity to contribute my expertise in building and maintaining reliable and secure infrastructure solutions.
This intro is strong because it highlights the candidate's alignment with the company's mission and shows that they have relevant experience in working on projects that prioritize security and privacy, which is a key aspect of the company's identity.



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