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Adyen Logo Adyen · IT - Software Development

Senior Software Engineer (Java) - Identity & Verification

Netherlands, Amsterdam · Job Posted January 06, 2026
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Job Description

As a Software Engineer on the Identity & Verification team, you will have full ownership of the features you build, from initial design to deployment and live monitoring, acting as a problem-solver shaping a core part of Adyen's integrity platform. The primary objective of the Identity & Verification group is to protect Adyen and its customers by fostering a safe and compliant platform, which enables sustainable and safe commercial growth. The group owns the foundational platforms and core services necessary to establish and maintain a trusted identity for all customers throughout their lifecycle with Adyen.

Job Responsibility

  • Design and build solutions for highly scalable and reliable distributed systems that are central to Adyen’s success
  • Develop and implement the technology, processes, and potential machine learning models for Payments and Know Your Customer (KYC) data collection
  • and automated verification across the entire customer (merchant & shopper) lifecycle
  • Contribute to the platform framework that manages the onboarding of legal entities and the integration of identity and verification capabilities
  • Influence the entire software development lifecycle, from contributing to architectural design and strategic implementation to assisting with testing and deployment
  • Take end-to-end ownership, seeing your work through the development lifecycle
  • Uphold high standards for system health by implementing robust monitoring, defining Service Level Objectives (SLOs), and creating effective alerting
  • Collaborate closely with your team, Product Managers, Customer Onboarding teams, Merchant Operations, and Regulatory teams to refine and implement your ideas
  • Develop and implement observability tools to proactively monitor system performance and deliver strategic solutions to enhance system reliability and efficiency

Requirements

  • Strong foundation in Java, with experience building web services and REST APIs
  • Proven experience in building and maintaining highly scalable and reliable distributed systems
  • Comfortable with SQL/PostgreSQL and understand how to work with databases effectively
  • Embrace a culture of operational excellence and have a solid grasp of monitoring best practices, SLOs, and resilience patterns
  • Naturally takes ownership, seeking the autonomy to drive your work forward
  • Possess a proactive and inquisitive approach to problem-solving
  • Strong collaborative spirit and a history of driving technical discussions
  • Strong interest in advanced software development and design patterns, with a focus on scalability and resilience

Nice to have

  • Experience with event-driven architecture and streaming
  • Experience with Cassandra, Kafka and Big Data Platform
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