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Adyen Logo Adyen · IT - Software Development

Software Engineer (Java) - Payments

Netherlands, Amsterdam · Job Posted January 03, 2026
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Job Description

Our engineers are reshaping the payments landscape. We’re looking for more talented problem solvers to help us address a unique set of challenges. As an engineer at Adyen, you will be responsible for the full development cycle from software design to testing and ensuring everything works as expected in production. You will work with one of the biggest PostgreSQL databases out there, focusing on maintaining the platform's performance and reliability. We are looking for Java Engineers for a number of teams within our payments solution.

Job Responsibility

  • Build and improve integrations at a global scale for in-store and online payments
  • Build connections to all relevant payment methods and card schemes worldwide
  • Create a high-available, highly-scalable payment processing platform and connect to hundreds of external APIs
  • Automate all core processes to match funds
  • Expand and modernize our portal for our external and internal users
  • Build a foundation where other solutions can build on top of
  • Work on new features for our portal
  • Improve the performance of existing frameworks
  • Build automation APIs which enable platform growth in a scalable way
  • Focus on providing APIs and UIs to our Merchants to enable self-service
  • Build and maintain our distributed high-performance platform
  • Be part of a diverse and inclusive team
  • Bring code live that impacts many businesses and shoppers
  • Be fully responsible from its initial design to bringing new functionality live
  • Identify and improve parts of the platform to make it more robust and scalable
  • Collaborate across teams and time zones to make things happen, review code and be open to feedback

Requirements

  • Experience with Java
  • Experience with web services
  • Experience with REST APIs
  • Experience with SQL / PostgreSQL
  • Experience with deploying high-throughput and highly reliable services
  • Proactive and takes ownership
  • Strives for quality from both a technical and product perspective
  • Excellent communication skills
  • Ability to explain complex, technical concepts to a non-technical audience
  • Team player who knows when and how to involve other people
  • Knows how to evaluate tradeoffs and how to balance speed vs tech debt
  • Enjoys working on a global product that impacts millions of people everyday

Nice to have

  • Experience with RabbitMQ
  • Experience with Kafka
  • Experience with Elasticsearch
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