Job Description

About Payrails

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Payrails is a global payment software company helping leading enterprises to take control of their payment operations and maximize performance. With deep experience in the payments space and firsthand knowledge of merchants' challenges, we’ve seen how fragmented, complex, and inefficient these systems can become. Now, we are setting a new industry standard for how enterprises around the world manage and optimize payments, with more control, visibility and flexibility than ever before.


Our vision is to reimagine payments from the ground up. We are building a deeply integrated meta layer that spans the entire payment lifecycle with a modular architecture. This helps us give leading brands building blocks to craft solutions to most complex operational challenges, tailor seamless customer experiences and grow their business.


We are backed by some of the world’s top investors including Andreessen Horowitz, HV Capital, EQT Ventures and General Catalyst, who share our mission to simplify payment complexity globally.


At Payrails, we’re committed to building a team of exceptional people - not just talented, but driven to build, solve, and deliver at the highest level. Excellence isn’t just a value here; it’s a way of working. We believe that great people thrive in environments where there’s trust, clarity, and shared purpose. We work openly and collaboratively, with deep respect for each other’s craft. Everyone is encouraged to understand the bigger picture - what we’re building, why it matters, and what stands in the way. When people have that context, they move faster, take ownership, and make better decisions. We care about creating a culture where people feel inspired to do their best work and a deep sense of responsibility to help us bring our vision to life. Success at Payrails means staying focused on the problems that matter most, and executing with purpose.

Your team

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Our Tech team offers you the chance to work alongside a group of highly ambitious and knowledgeable Engineers while being faced with complex problems that affect customers on a global scale. You as the Senior Systems Engineer will be responsible for defining, monitoring, supporting, and optimizing all infrastructure systems associated with our Payment Operating System.

Our Tech Stack

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Orchestration: AWS, Docker, Kubernetes, Terraform, Terragrunt Continuous integration and delivery: GitHub Actions, FluxCD Static Application Security Testing: Semgrep, Trivy Observability: Prometheus, Cortex, Loki, Tempo, Grafana Applications: Golang, Temporal, Cassandra, Postgres

How you will make an impact

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Work with our infrastructure engineering team to deliver highly scalable, modern solutions. Drive innovation by designing and implementing new architectures. Build and evolve a state-of-the-art internal developer platform. Partner with software teams to enable true end-to-end application ownership. Automate monitoring, compliance evidence collection, and operational workflows.

What we are looking for

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Extensive experience building and operating large-scale systems on AWS. Solid understanding of network and application security best practices. Proficiency in at least one programming language (e.g. Golang, Python, or Bash). Strong collaboration skills with the ability to challenge ideas constructively. Clear and efficient communication style. A curious, growth-oriented mindset with a willingness to explore new technologies.

What we offer

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High impact and high velocity environment with the most talented and ambitious people you will ever work with A chance to shape the story of a company and a category from the ground up Real ownership. You’ll have the freedom and trust to build, test, and take lead A product used by the best brands around the world Visa and relocation support for you and your family where required Hybrid working with an office in the heart of Berlin Regular team events, activities and off-sites Discounted Urban Sports Club membership Competitive salary and equity package * 27 days of annual paid vacation