Spilberg Antwerp, Flemish Region, Belgium
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Senior Backend Java Developer
Contribute to the future of AI-powered matching technology
Location: Hybrid (Antwerp) | Remote-friendly
About the Opportunity
For one of our clients, we are looking for a Senior Backend Java Developer to join their team.
Our client is developing cutting-edge matching software that applies advanced AI techniques to connect people with opportunities in a more intelligent and transparent way. By using technologies such as Natural Language Processing (NLP), ontologies, and Large Language Models (LLMs), the platform understands context, interprets language, and delivers relevant matches - even when data is incomplete or inconsistent.
As a Senior Backend Java Developer, you'll help build and evolve the core architecture behind this technology. You'll work in a focused, technically driven environment where quality, ownership, and autonomy are central to how the team operates.
Your Responsibilities
* Design, develop, and maintain backend systems and APIs
* Collaborate on system architecture and high-level technical decisions
* Integrate diverse data sources and configure matching logic
* Contribute to performance tuning, testing, and deployment pipelines
* Navigate and improve a complex, production-level codebase
* Proactively address technical challenges and suggest architectural improvements
Tech Environment
* Java 11 (with migration to Java 17 underway)
* REST APIs
* Docker & Ansible for automation
* Elasticsearch for indexing and semantic search
* Emphasis on clean, maintainable, and secure code
* Complex, non-standard architecture - ideal for curious engineers who enjoy tackling tough problems
Your Profile
* At least 5 years of experience in backend Java development
* Proven ability to work with and design scalable system architectures
* Strong problem-solving skills and adaptability in complex environments
* Genuine interest in AI-driven technologies and data-intensive systems
* Independent mindset with a high standard for code quality and security
* Fluent in Dutch and English
Bonus Skills
* Experience with Docker and/or Elasticsearch
* Familiarity with tools like Maven, Jenkins, or Ansible
* Understanding of LLMs or interest in GPU-based computing
Working Setup
The client offers a hybrid work model with one on-site day per week in Belgium. There is also flexibility for extended remote work, including working from abroad. The team fosters a culture of clear communication, autonomy, and continuous improvement - with space for deep technical focus and exploration.
Interested?
If you're excited by the idea of working on meaningful, AI-powered technology in a technically challenging environment, we'd love to hear from you.
Feel free to reach out for more information or apply directly - we're happy to tell you more about the team, the company, and the impact you can make.
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Information Technology
* Industries
Software Development
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