Senior Software Engineer (Customer Interfaces)

Join Adyen, a leading global payment company, as a Senior Software Engineer for Customer Interfaces. In this role, you will lead the evolution of Adyen's experience platform, building foundational frameworks and AI-integrated guardrails. You will design performant Java services, set engineering standards, and collaborate with product management. This position offers a range of benefits, including a global exchange program, weekly happy hour, and work from home opportunities.

- Full-Stack Technical Depth: Deeply proficient in Java for high-concurrency backend services, with architectural competence to integrate and support Agentic workflows (Python). Experienced with Vue/Preact for complex, stateful web applications
- Security-First Mindset: A "security-by-design" approach to handling sensitive financial data, user authorization, and zero-trust access in web environments
- High Ownership & Influence: Comfortable driving cross-team technical alignment, mentoring engineers, conducting rigorous code reviews, and collaborating with global engineering hubs
- Applied AI Systems & Safety: Hands-on experience (or strong architectural competence) with production-grade Agentic AI integrations, including policy layers, evaluation frameworks, RAG architectures, and deterministic execution boundaries
- 7+ years of professional software engineering experience in a fast-paced technology environment
- Currently operating as a Senior Software Engineer (or equivalent level) with a track record of taking full ownership of complex, distributed web applications
- 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!
- Experience working in monorepo environments and managing complex dependency chains across large-scale distributed systems