Senior Full Stack Java/React Developer – Belgium (Onsite 50%) - Long Term Mission

Brussels, Brussels Capital  ‐ Hybrid

Keywords

Java (Programming Language) ReactJS Spring-boot Clean Code Principles Agile Methodology Big Data Fraud Prevention and Detection Apache Maven Fortify (Software) SonarQube SQL Databases Data Streaming Gitlab Jenkins

Description

Job Opportunity: Senior Full Stack Java/React Developer –
Belgium (Onsite 50%)

We are actively seeking an experienced Senior Full Stack Java/React Developer to join a long-term project supporting Fraud Management services within a leading organisation. This role demands deep technical expertise, especially in Java, ReactJS, and Spring Boot, with strong coding and problem-solving skills.
Please note: Candidates must be based in Belgium. Remote work must be performed from within Belgium (relocation is not accepted).
Work Pattern:
• 50% onsite hybrid – Week 1: 2 days onsite, Week 2: 3 days onsite, and so on
• Start Date: ASAP
• Location: Belgium (on-premise + remote from within Belgium)
• Contract Type: Long-term mission

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Key Requirements – MUST-HAVE (Minimum 5–7 years recent experience):
• Java – Expert level
• ReactJS – Expert level
• Spring Boot – Expert level
• SQL – Advanced
• Clear, fluent English communication skills
• Strong Agile mindset and team collaboration
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Technical Environment & Tools: (Bonus)
• GitLab, Jenkins – Advanced
• SonarQube, Fortify – Advanced
• Maven – Advanced
• Knowledge of data streaming & Big Data – a plus
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Your Responsibilities:
• Collaborate with your squad to define features, refine requirements, and contribute to delivery plans
• Design, develop, and maintain robust, scalable applications
• Ensure performance, reliability, and clean code with proper documentation
• Identify and solve performance issues or bugs
• Contribute to Agile ceremonies and continuously improve the squad’s delivery quality
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We’re looking for someone who:
• Is already based in Belgium
• Is seeking a stable, long-term role
• Takes pride in writing clean, maintainable, high-performance code
• Enjoys working in cross-functional Agile teams
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If you're an experienced full stack engineer ready to hit the ground running with Java, ReactJS, and Spring Boot, and you're based in Belgium – we'd love to hear from you!

Start date
ASAP
Workload
100% (5 days per week)
Duration
12 months
(extension possible)
From
iBSC ltd
Published at
13.06.2025
Contact person:
Ahmed Nagi
Project ID:
2888117
Industry
IT
Contract type
Freelance
Workplace
40 % remote
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