Development Tooling Engineer - (Build & Test)

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. We’re looking for an engineer who is passionate about developer productivity, build systems, and automation to enhance and scale our internal development experience. In this role, you’ll help shape the future of our build and testing ecosystem, optimize build/test workflows, and drive automation that improves the day-to-day experience of engineers across Adyen. What you’ll do Work on systems and tooling that enhance developer experience by improving build and test performance, reliability, and automation at scale. Design, maintain, and evolve the build tooling ecosystem, including, custom Linters, Static Analysis Tools, and Gradle conventions/plugins. Optimize CI/CD pipelines and integrate intelligent tests and build selection mechanisms to reduce feedback time and increase efficiency. Implement automation to detect and mitigate flaky tests, dependency regressions, and slow builds. Enable modular, scalable, and independent build execution across a large codebase to support multiple teams and projects. Collaborate with engineers across product domains to identify build pain points and deliver scalable solutions. Continuously monitor build health and quality metrics to identify bottlenecks and drive measurable improvements. Introduce tools and best practices that enhance developer productivity and workflow consistency. Who you are You have experience in: Working with build systems such as Gradle or similar, with a good understanding of build lifecycle, dependency management, and caching. Applying test frameworks, test impact analysis, or flakiness detection techniques. Designing or maintaining CI/CD pipelines (e.g., GitLab CI, Jenkins, Temporal, or similar). Programming in Java, Kotlin, or Python. Implementing developer-focused automation or tooling (e.g., internal plugins, build analyzers, or CLIs). Working with containerized environments (Docker, Kubernetes) and Infrastructure as Code (IaC) tools such as Terraform. Nice to have: Experience with developer portals (e.g., Spotify Backstage). Building build analysis or observability tooling (e.g., Gradle Profiler, Develocity Build Scans). Experience integrating AI-assisted systems (LLMs, internal copilots) into developer workflows. Understanding of monorepo architectures and dependency graph management. You are: Passionate about developer experience, automation, and reducing toil. A problem solver who enjoys improving complex systems and workflows. Curious, collaborative, and comfortable working across teams. Our Diversity, Equity and Inclusion commitments Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen. Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application! What’s next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility. This role is based out of our Amsterdam office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.