Senior QA Engineer

About Payrails

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—talented, driven, and dedicated to delivering at the highest level. Excellence isn’t just a value, it’s a way of working. We foster a culture of trust, clarity, shared purpose, and open collaboration, encouraging deep respect and a sense of responsibility to help bring our vision to life.

Your team

Payrails is a true tech company: our Product is designed by engineers for engineers. We believe in quality before delivery, and our mission is to provide an outstanding payment experience with a focus on automation, resilience, and scalability. Our engineering culture focuses on three main pillars:

• Operational excellence
• Open communication and quick feedback
• Knowledge sharing and continuous learning

The Tech team offers you the chance to work alongside a group of highly ambitious and knowledgeable Engineers while tackling highly complex problems that affect customers on a global scale.

Our tech stack

• Backend: Go
• Frontend: Angular
• Testing: Playwright (TypeScript), Jest, Go testing framework
• CI/CD: GitHub Actions
• Infrastructure: AWS, Kubernetes, Terraform

How you will make an impact

• Own and implement end‑to‑end quality strategy for onboarding new payment service providers (PSPs) and other third‑party partners.
• Design and build robust automation frameworks to ensure new integrations are reliable, performant, and delivered at speed.
• Serve as the quality advocate within the integrations team, driving a shift‑left culture and ensuring quality is built in from the start.
• Mitigate business risk by preventing integration‑related production incidents and ensuring a seamless experience for our merchants.
• Directly support our company’s strategic goals for system uptime and rapid ecosystem growth.

What we are looking for

• Ability to define and own the end‑to‑end quality strategy for new integrations.
• Proven expertise in building and maintaining robust test automation frameworks to support continuous delivery.
• Deep understanding of the full testing pyramid, including unit, integration, and end‑to‑end (E2E) testing.
• Experience integrating automated testing into CI/CD pipelines such as GitHub Actions.
• Strong communication skills, actively promoting a shift‑left testing culture across teams.
• Pragmatic decision‑maker who balances software quality with delivery speed.
• Comfortable and successful working within agile, embedded, cross‑functional teams.

What we offer

• 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 – freedom and trust to build, test, and 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

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Technology, Information and Internet

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