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From the employer's careers site First seen 10 Nov 2026

Software Engineer II - Java Application Core Components

Adyen Amsterdam On-site senior full-time

The employer hasn't listed a salary.

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Description

As part of the Java Application Core Components team at Adyen, you will build and maintain the core Java tools and components used across the company.

You will shape how other engineering teams build their services and work on large-scale migrations that will shape the future of Adyen's application architecture.

Responsibilities:

  • Design, build, and evolve internal and open-source Java frameworks and components used by every Java application team at Adyen.
  • Play an active role in one or more of the team's large-scale migrations that are reshaping Adyen's application architecture.
  • Provide hands-on technical guidance to other engineering teams on how to use the frameworks and libraries provided.
  • Design and evolve workflows used by other engineering teams across Adyen.
  • Collaborate with partner platform teams to ensure components integrate well across Adyen's tech stack.
  • Advocate for best practices across Adyen and define boundaries and guidance on how the frameworks and libraries maintained can be used.

Requirements:

  • 4+ years of experience with Java backend development.
  • Strong skills in core Java and code/API design.
  • Track record of building high-quality software, with testing at all levels.
  • A communicative, proactive team player.

Nice to have:

  • Experience with Kubernetes/cloud migrations, legacy application modernization, security-related work, or platform development experience.
  • Experience developing and maintaining libraries/frameworks used by many other developers.
  • Experience with build tools, ideally for Java (Gradle/Maven).
  • Broader architecture sense across distributed systems.
  • Familiarity with Spring, Jersey, Feign, OpenAPI.
  • Understanding of Domain-Driven Design (DDD) and Test-Driven Development (TDD).
  • Exposure to AI agent workflows and a DevOps mindset.

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Skills

Required

Nice to have

  • Kubernetes
  • cloud migrations
  • legacy application modernization
  • security-related work
  • platform development
  • Spring
  • Jersey
  • Feign
  • OpenAPI
  • Domain-Driven Design
  • Test-Driven Development

Ready to apply?

You apply with the employer directly. Their original posting is here: https://job-boards.greenhouse.io/adyen/jobs/7720026

Apply on Adyen