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Harvey Nash

Senior Java Software Engineer

On site

Brussels, Belgium

Senior

Full Time

03-11-2025

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Skills

Java SQL Problem-solving Autonomy react Spring Spring Boot Microservices

Job Specifications

Looking for a Senior Java Developer!

Join us in building critical infrastructure that simplifies life-changing legal processes and empowers notaries and citizens alike.

Your Mission

As a Back-End Developer, you will be part of a development team, responsible for the development, maintenance & operations of critical notarial and public applications. You’ll be managing besides other things the IZIMI digital vault application, serving Belgian citizens, notaries & enterprises.

You will be building software that connects with authentic sources and other sensitive data & documents, which requires a high security attention and solid procedures.

What You Will Do

Architect and build robust, scalable back-end systems to support high-volume, critical digital processes;

Design and implement efficient, secure REST APIs and microservices in Java

Understand and implement complex business flows involving multiple stakeholders, API integrations and an efficient user experience through the existing (or future) UI’s.

Write and perform unit tests in order to maximize the quality of your deliverables and assure compliancy with Quality and Security standards;

Collaborate closely with back- and front-end developers, analysts, testers, and external dependencies to align technical solutions with operational realities

Optimize back-end performance to ensure reliability, data integrity, and legal compliance across systems;

Document the application code in order to ease its maintenance

Support the evolution of the platform with a user- and process-centric mindset

You have :

Master’s degree in Computer Science or equivalent experience

Min 7 years of experience as a Java back-end developer

Strong knowledge of Java, Spring framework, Spring boot

Experience with SQL (Microsoft SqlServer) ;

Nice to have: experience with React, and familiarity with public administration systems

Ability to analyze and model complex processes and workflows

Pragmatic, curious, solution-oriented, a real team player with excellent collaboration skills

Language: Fluent in Dutch or French, with a solid working knowledge of English

Contribute to high-impact legal infrastructure used nationwide

Work in a stable yet innovative sector with complex challenges

Join a team that values autonomy, continuous learning, and creative problem-solving

Location: Brussels, Central Station area

Work setup: Hybrid (40% on-site, 60% remote)

About the Company

We’re Harvey Nash, and we build amazing technology and digital teams. From senior appointments through to recruitment and project solutions, we are experts in the tech sector. Established in 1988, we have helped over half the world’s leading companies recruit, retain, source and manage the highly skilled tech talent they need to succeed in an increasingly competitive, global and technology driven world. With over 3.300 staff in more than 49 offices across Europe, Asia-Pacific and the U.S and Canada, we have built a rep... Know more