Senior Software Engineer (Java) - Identity & Verification

Requirements

• We design and operate mission-critical infrastructure to identify and manage identity, risk, and compliance workflows at scale.
• We leverage a holistic, data-driven understanding of merchants and their activities to power a sophisticated, risk-based decisioning approach.
• We continuously push the boundaries of AI, machine learning, and advanced analytics to detect anomalies and predict emerging risks.
• We collaborate closely with Regulatory, Compliance, Operations, and Product teams to balance strict compliance, seamless customer experience, and efficient resource investment.
• You have deep expertise in Java, with extensive experience building and evolving web services and REST APIs in production environments.
• You have proven experience designing, building, and operating highly scalable and reliable distributed systems.
• You are highly proficient with SQL/PostgreSQL, and understand data modeling and performance optimization in complex systems.
• You champion operational excellence, with strong experience in monitoring, observability, SLOs, and resilience patterns.
• You demonstrate ownership beyond implementation, taking responsibility for system outcomes in production.
• You are a proactive problem-solver, capable of navigating ambiguity and driving solutions independently.

What You Will Be Doing

• Lead the design and development of highly scalable, resilient distributed systems that are central to Adyen’s platform.
• Drive architectural decisions and contribute to long-term technical strategy, ensuring systems are extensible, maintainable, and aligned with business goals.
• Develop and evolve the technology, processes, and potential machine learning models for Payments and Know Your Customer (KYC) data collection, and automated verification across the entire customer lifecycle.
• Own and evolve platform frameworks that manage onboarding of legal entities and integration of identity and verification capabilities.
• Influence and improve the full software development lifecycle, from architecture and design reviews to testing, deployment, and operational excellence.
• Take true end-to-end ownership, including production performance, reliability, and continuous improvement of your systems.
• Define and uphold high standards for system health, including designing SLOs, improving observability, and implementing robust monitoring and alerting strategies.
• Proactively identify scalability, reliability, and performance bottlenecks, and drive initiatives to address them.
• Collaborate cross-functionally with Product Managers, Customer Onboarding, Merchant Operations, and Regulatory teams, acting as a technical partner in shaping solutions.
• Mentor and guide other engineers, fostering engineering excellence and contributing to a strong technical culture within the team.
• Drive the development of observability and operational tooling to enhance system reliability, efficiency, and transparency.

Nice to Haves

• You have a deep interest in advanced software design patterns, with a focus on scalability, resilience, and maintainability.
• You have experience with event-driven architectures and streaming systems.
• Experience with Cassandra, Kafka, and Big Data platforms is a plus.

Perks and Benefits

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.

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.