NTT DATA is looking for a freelance Front End Engineer (Angular 2+) for a public agency based in Brussels.
* Contract: freelance / B2B
* Start: 15/6/2026
* On‑site presence required 3 days per week to support team collaboration
* Offices located near Brussels South (Bruxelles‑Midi) station
We are recruiting an Expert Front End Engineer to support a large‑scale digital modernisation programme within a federal public‑sector environment. This programme is highly ambitious, spans multiple projects, and follows a strict delivery timeline running at least until the end of 2028.
The role
You will join a team of experienced, highly competent, and motivated professionals, working closely with UX/UI designers, architects, and other internal stakeholders. This is a hands‑on engineering position with a strong focus on analysis, design, and implementation.
This role is not suited for candidates looking for a pure lead, advisory, or consulting function.
Key responsibilities
* Design and develop modern, scalable, and responsive web applications using Angular 2+
* Analyse requirements and translate designs and wireframes into clean, semantic, and reusable code
* Integrate and consume RESTful APIs and microservices in the front end
* Define and optimise front‑end architecture, state management, and data flows
* Develop and optimise design system libraries and reusable UI components
* Collaborate within agile delivery teams
* Work closely with UX/UI designers and provide feedback on feasibility and optimisation
* Proactively identify challenges, propose alternatives, and recommend solutions within the broader technical and organisational context
* Combine strong teamwork with the ability to work independently and proactively
Required qualifications and experience (mandatory)
* Higher education degree in Computer Science (short or long cycle) from a recognised EU institution
(Diploma must be submitted together with the CV)
* Minimum 10 years of hands‑on experience in front‑end application development
* At least 5 years of hands‑on experience with:
o Angular 2+
o Single Page Applications (SPA)
o Cloud‑native front‑end applications
o Defining, developing, and consuming APIs
o Web portals (portal technologies or Angular‑based solutions)
o Front‑end architecture and solution design
o Working within agile delivery teams
* At least 3 years of hands‑on experience with:
o Development and optimisation of design system library components
o CI/CD pipeline implementation and optimisation (preferably Azure DevOps)
o Strong commitment to continuous learning and staying current with sustainable front‑end technologies and best practices
Nice to have
* Hands‑on knowledge of Java SE 10+
* Experience with Event‑Driven Development and/or Behavior‑Driven Development
* Knowledge of Domain‑Driven Design
* Familiarity with existing building blocks and services within a federal or large public‑sector context
* Strong analytical and problem‑solving abilities
* Excellent communication skills with both technical and non‑technical stakeholders
* Good listener with a flexible and solution‑oriented mindset
* Able to work autonomously while contributing effectively to a team
Languages
* Good working knowledge of English
* Good working knowledge of Dutch or French
(Bilingual working environment)
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