💻 Freelance Java Backend Engineer – Spring Boot | Hybrid Belgium
📍 Location: Belgium (Hybrid – 2 days/week onsite)
đź“… Start: ASAP
📆 Contract: 6-month rolling (multi-year scope)
🇪🇺 EU work permit required
🔍 Overview
An established European product company is seeking a freelance Java backend engineer to join one of their core agile feature teams. The business operates in the data-heavy B2B space and is investing heavily in backend scalability, performance, and modular architecture.
This role is ideal for a medior to senior Java engineer who enjoys backend craftsmanship, agile delivery, and contributing to scalable real-world platforms. Expect a clean, modern stack, a professional team culture, and real runway for contract longevity.
đź› Responsibilities
* Design, develop, and maintain backend microservices using Java + Spring Boot
* Collaborate closely with engineers, product owners, and team leads in a Scrum-based workflow
* Implement clean architecture principles (SOLID, DDD, TDD)
* Work across APIs, data layers, and system integrations
* Contribute to platform stability, performance, and maintainability
* Participate in technical design and team code quality improvements
âś… Required Skills
* 5 years backend experience with Java (8+ ideal), Spring Boot framework
* Solid grasp of software engineering best practices and architectural patterns
* Strong SQL + relational database experience (e.g. PostgreSQL)
* Experience with REST APIs and containerised development workflows
* Familiarity with Git, CI/CD pipelines, and Agile team delivery
* Fluent English communication in cross-functional setups
* Experience with data analytics systems and timeseries workflows
* Clean code practices TDD, SOLID and DDD
🌟 Bonus (Not Mandatory)
* Familiarity with containerisation and deployment
* Angular familiarity
* Dutch language skills (not required)
* Experience with real time streaming, or EDD (event-driven design)
🎯 Why Consider This Role?
* Join a contractor-friendly team building a real product used globally
* 6-month rolling contract with multi-year visibility
* Work with high-quality engineers in a structured agile environment
* Remote-first setup (just 2x per week on-site in Belgium)
* Mid-market rates with senior uplift flexibility
đź“© Apply
If you’re a Java engineer who takes pride in scalable architecture, clean code, and delivering in agile squads - this one’s worth a chat.
Email: swaleh.abdulrehman@g2recruitment.com
📬 Interviews ongoing - let’s talk if it’s aligned.