The Challenge
Ever built something millions of people rely on daily? Here’s your chance.
Every second, thousands of users log in to one of Europe’s biggest e-commerce platforms.
Your job? Ensure that happens securely, seamlessly, and at scale.
As a Senior Java/Kotlin Developer, you’ll develop robust authentication systems, including login services, identity services, and OpenID.
You’ll work on highly reliable APIs and implement OAuth2 at a framework level, not just as a user.
Your Responsibilities
- Develop and maintain secure login and identity services
- Implement OAuth2/OpenID with deep framework understanding
- Build and optimize high-performance APIs
- Ensure scalability, security, and reliability
Your expertise
- Strong Java & Kotlin development experience (true senior level)
- Deep expertise in OAuth2/OpenID, including framework-level knowledge
- Proven experience building and optimizing APIs in high-load environments
- Familiarity with JSP or React for better frontend collaboration (nice to have)
- Proactive problem solver who takes ownership of complex challenges
- Strong communicator who can explain technical decisions clearly
- Team player who thrives in a collaborative environment
- Fluent in English (Dutch is a plus)
What’s in It for You?
- Salary: €74.000 - €88.000 (based on 40 hours per week)
- Hybrid work: 2 office days per week (Tuesday & Wednesday)
- Work on a high-scale authentication system used by millions
- Long-term position with the possibility of a permanent contract
About our client
Our client is a renowned player in the e-commerce industry, offering a wide array of products to customers through an innovative and customer-centric platform.
They are dedicated to simplifying the online shopping experience and empowering businesses to succeed in a rapidly evolving digital landscape.
Join a team that values creativity, collaboration, and making an impact in the lives of millions.
This dynamic and inclusive workplace with plenty of opportunities for growth, the flexibility to innovate, a culture that celebrates success, and a supportive work environment, is a place where your ideas can truly make a difference.
