Vacatures java developer Amsterdam

Join us in building the future of HR Tech

At HeadFirst Group, we are redefining the flexible labor market with our platform Striive, connecting over 180,000 independent professionals, suppliers, and clients. From onboarding and matching to contracts, time tracking, and invoicing, everything runs on Striive.

We are big in the Netherlands and Belgium. But it is time to expand, and we are already well on our way.

The Opportunity

As we prepare for rapid international expansion into the UK, US, and other markets, our platform must scale to support multi-region operations, complex compliance requirements, and high-volume usage. To drive this evolution, we’re looking for an experienced Java Engineer to ensure delivery excellence in a fast-paced, Agile, and international environment.

Your Responsibilities

• Be part of the development of scalable Java-based backend services.
• Develop automation and integrations to streamline onboarding and operations worldwide.
• Collaborate with cross-functional teams to define system specifications.
• Optimize application performance and ensure system stability.
• Drive best practices in coding, testing, and deployment.
• Foster a culture of continuous improvement.

This is what we get from us

• Salary that matches your experience.
• Vacation pay and days off – 8.33% vacation pay and 27 days off per year based on full-time employment.
• Hybrid working – 60/40 split: three days in office, two days working from home.
• Contributory pension – we pay your full pension premium.
• Performance bonus – annual reward of one or two months’ salary based on performance.
• Monthly extras – allowance for internet, vitality budget, lunch contribution and home office setup support.

What we expect from you

• Solid understanding of backend (Java 21, Spring Boot, Hibernate).
• Strong commitment to both high-quality, maintainable code and effective delivery.
• Experience with RESTful APIs, monorepo architecture, and cloud services.
• Familiarity with databases and data integration techniques.
• Strong problem-solving skills and a proactive mindset.
• Ability to work collaboratively in a team environment.

Feel free to ask any questions – I'm happy to help!

Moments of celebration

With more than 450 colleagues, we always have something to celebrate. As one team, we celebrate birthdays, anniversaries and successes.

Work on your mental health with access to the platform OpenUp. We learn every day, which is why we offer free trainings and courses to keep developing yourself.

Bonus

Achieve your goals and see this reflected in a bonus – hard work is rewarded.

Locations & Mobility

Work at one of our 4 locations, at home, or anywhere you feel comfortable. You will receive a mobility and home working allowance from us.

Our Headquarters

Take advantage of free sports facilities, fine workstations, and a delicious lunch buffet. A formidable competitor of home!

Meet a Colleague

Daniel Boham – Product Owner

Managing Director

Business Analyst

Ready to join HeadFirst Group?

Apply now.

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