> Markdown version of [/jobs/ext/1523050-ervaren-java-senior-dev](https://www.wearedevelopers.com/jobs/ext/1523050-ervaren-java-senior-dev). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Ervaren java senior dev - **Company:** We Source People - **Location:** Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Amazon Web Services, Microsoft Azure, Code Review, Continuous Integration, Relational Databases, Scrum Methodology, Cloud Platform System, Spring-boot, Backend, Containerization, Kubernetes, Information Technology, Restful APIs, Docker, Microservices - **Published:** July 15, 2026 - **Apply:** https://www.adzuna.nl/details/5779220782 ## About the Role ## About the role As a Senior Java Developer, you will build stable, scalable software that directly supports the quality and continuity of digital services. You will work on complex backend solutions, contribute to technical decisions, and help the team deliver robust systems. This role combines hands-on development with senior-level collaboration, quality focus, and technical guidance. In this part-time position, you will make an impact on architecture, performance, and maintainability while also supporting the growth of other developers. ## What we offer - A salary indication that matches seniority and part-time commitment; competitive employment conditions - Flexible part-time working week of 32 hours - Room for professional development and knowledge sharing - A challenging environment with complex technical issues - Competitive benefits package ## Responsibilities - Develop and maintain Java backend functionality with a strong focus on scalability and reliability - Translate functional requirements into technical solutions and safeguard technical quality - Improve the performance, security, and maintainability of existing applications - Work closely with product, QA, and other developers to deliver solutions on time and with care - Review colleagues' code and coach team members on best practices - Identify technical risks and actively contribute to architectural decisions ## Requirements - At least 5 years of experience as a Java Developer or in a similar backend role - Solid knowledge of Java and common backend principles - Experience with REST APIs, data modelling, and relational databases - Familiarity with software testing, code reviews, and CI/CD practices - Good command of the Dutch language, both spoken and written - HBO- or WO-level thinking, preferably in computer science or a similar field ## Nice to have - Experience with Spring Boot - Knowledge of cloud environments such as AWS, Azure, or GCP - Experience with microservices architectures - Knowledge of containerisation with Docker or Kubernetes - Experience in an Agile/Scrum environment ## Related Videos - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Microservices: how to get started with Spring Boot and Kubernetes](https://www.wearedevelopers.com/videos/242-microservices-how-to-get-started-with-spring-boot-and-kubernetes) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)