11 months
05/01/2026 - 31/12/2026 Brussels, Belgium
Requirements
Roles
  • Back-End Developer Senior
Languages
  • English Full professional proficiency
  • Dutch Full professional proficiency
  • French Full professional proficiency
Skills
  • MS SQL Server Advanced
  • React Nice to have
  • Java Advanced
  • Spring Framework Advanced
  • Spring Boot Advanced
  • RESTful API Advanced
Description

In order to be accepted, the proposed application must fully meet the following minimum requirements:

  • The applicant must have the minimum skills and experience required (roles/skills/languages);
  • The NDA (Non-Disclosure Agreement) annexed to this application must be completed and signed by the applicant him/herself. 

Mission: Senior Back-End Java Developer 

  1. Start: 05/01/2026
  2. Mission Period: 04/04/2026 (possible extension)
  3. Seniority: +7years of experience

Who are we?

Fednot ICT is the IT center of expertise for Belgian notaries. With more than 100 IT specialists, we design and build digital platforms that support the 1000+ notary offices across Belgium and serve millions of citizens.

Our applications – such as Biddit, Izimi, and Manage my business – simplify complex administrative processes, improve legal transparency, and ensure secure digital communication between notaries, citizens, and public institutions.

We’re part of Fednot, the Royal Federation of Belgian Notaries – a key player in Belgium’s digital transformation.

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 Fednot 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

Why Join Us?

  • 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)

Ready to shape the future of digital legal services in Belgium?
Apply now and bring your back-end expertise to the core of Belgium’s digital transformation.

Interview process: 2 rounds

1st round of 1 hour with the HR (via Teams) – Please note that only the presence of the candidate is accepted. Slots will be provided in time.

Here are the available slots for the first interview (teams) with the Team Lead and HR :

  • Friday 07/11 : 3pm
  • Thursday 13/11 : 10am
  • Friday 14/11 : 1.30pm

2nd round of 1 hour for a more technical interview with the N+1 and tech. questions (interview onsite) – Please note that only the presence of the candidate is accepted

ProUnity is the single point of contact for this assignment. If you have any questions, you may contact Marianne Schoos, Client Satisfaction Manager, per email at fednot@pro-unity.com.