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Human Source Group

Senior Java Backend Developer

Human Source Group
Netherlands · Full-time · Mid-Senior

Would you like to work as a Senior Java Backend Developer on software that directly impacts millions of people in the Netherlands? Do you enjoy building robust backend systems in a modern Java environment, while occasionally contributing to the frontend where needed? And do you get energy from mentoring colleagues and improving technical quality? Then this could be your next step.


What We Offer You

  • Starting salary between €4,750 – €6,250 gross per month (based on 40 hours)
  • Possibility to work 32–36 hours per week
  • Bonus / end-of-year payment and 8% holiday allowance
  • 30+ vacation days
  • Excellent pension plan and collective health insurance
  • Easily accessible by public transport


And Also

  • Working on software with strong societal relevance
  • Strong focus on quality, clean code, and professional craftsmanship
  • Flexibility, freedom, and a healthy work-life balance
  • Challenging projects that stimulate your analytical thinking
  • Plenty of room for training, certifications, conferences, and knowledge-sharing sessions


About Your Role as a Senior Java Backend Developer

You will join one of eight Java Scrum teams. You’ll work closely with a lead architect, four Java developers (junior to senior), two testers, and a product owner. Within this team you develop applications in the domain of GIS, data visualization, and modern backend-driven solutions.

Your main focus will be backend development in Java / Spring Boot. Frontend work in Angular exists within the team, but only to a limited extent and mainly where needed to support the end-to-end development process.


You play an important role within the team: technically strong in Java, able to guide colleagues, and committed to raising the quality of the codebase and engineering standards.


Responsibilities

  • Designing and developing Java backend software within an Agile Scrum team
  • Building scalable and maintainable services using Spring Boot
  • Contributing to architecture together with the Lead Architect
  • Improving code quality, maintainability, and engineering practices
  • Pair programming with colleagues and coaching less experienced developers
  • Occasionally contributing to Angular-based frontend components when needed


Technical Environment

You will work in a modern backend-focused environment:

  • Java (currently including Java 18, transitioning to Java 21)
  • Spring Boot
  • REST APIs & microservices
  • Docker & Kubernetes
  • Containerization & cloud-native development
  • Angular (limited usage within the role)
  • What You Can Expect from the Organization

    You will join a software and engineering organization (~120 FTE) that plays a central role in a complex national information chain. The applications directly relate to tangible logistical infrastructure — not administrative or financial systems, but software that truly impacts society.

    All teams are responsible for their own product or application. Teams operate independently within their domain, while collaborating closely across the department. Knowledge sharing is deeply embedded in the culture through internal communities, hackathons, demos, guilds, and technical sessions.

    • Informal, open culture with a strong work-life balance
    • Professionals with passion for their craft
    • Plenty of room for personal development


    The Extras from Your Career Partner

    As a career partner, we go beyond finding the right workplace. We offer several opportunities for personal and professional growth. For example, you can work with a career coach (yes — that’s me) and make use of our personal development platform DEVELAB, including:

    Personal guidance | Training budget | DISC / Insights analysis | Career values assessment | Competency testing | Workshops & training | DEVELAB events | Lifestyle coaching


    What You Bring

    • HBO/WO degree (e.g. Computer Science or Software Engineering)
    • Minimum 7 years of experience as a Java backend developer
    • Strong experience with Spring Boot
    • Experience with Docker; Kubernetes knowledge is a plus
    • Experience working in modern Agile development environments
    • Experience mentoring or coaching colleagues is a plus
    • Basic knowledge of Angular is sufficient
    • Basic knowledge of the Dutch language is a plus



    If you enjoy shaping technical direction, building high-quality backend systems, and mentoring developers within a modern engineering environment, then this role could be a great fit for you.

    Apply via the link or contact Marcel directly if you would like to discuss the opportunity first.


    Important

    Unfortunately, we are unable to provide visa sponsorship or sponsorship transfers for this position. Therefore, applicants must already be authorized to work in the Netherlands.

    Key Skills

    Ranked by relevance

    java angular scrum data visualization product owner spring boot kubernetes embedded docker cloud
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    Posted
    May 09, 2026
    Type
    Full-time
    Level
    Mid-Senior
    Location
    Utrecht

    Industries

    Software Development IT System Custom Software Development

    Categories

    Information Technology

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