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ThoughtLabs Belgium

Senior Front-end Developer

ThoughtLabs Belgium
Netherlands · Contract · Executive

Role Overview

We are looking for a Senior Front-end Developer with strong expertise in Vue.js and modern web development to work on scalable, secure, and high-performance applications.

This role also requires full-stack exposure, including .NET backend development, microservices architecture, and secure integrations in an enterprise environment.


Task to be performed :

• Write web frontend code in Vue.js JavaScript framework. Other JavaScript frameworks (like

React) knowledge is a plus.

• Write front-end and back-end unit tests.

• Manage the front-end build configuration and the appropriate npm tasks.

• Work with Typescript and modern web development.

• Write CSS and HTML by using SASS.

• Participate in the .NET implementation of a micro-services solution, being able to write

backend code in a reliable, scalable, secure and testable way, implementing resilient

integrations, satisfying requirements and service level agreements.

• Implement validation mechanisms as unit and integration tests for both back-end and

front-end code.

• Implement OAUTH authentication mechanisms.

• Write and maintain technical documentation of the solution implemented. Account for

secure coding practices, as well as logging and auditing features.

• Communicate in a clean, concise way, not only to peers but to upper layers when needed.


Required Skills & Experience

🔹 Mandatory

  • We need someone with at least 15 years experience.
  • 10+ years in Software Development
  • 3+ years in Vue.js + TypeScript
  • Experience in production-grade Vue.js applications
  • 5+ years in .NET (C#, ASP.NET Core)
  • Experience with REST APIs & microservices
  • Experience with unit testing (frontend & backend)
  • Experience with OAuth authentication
  • Experience with AMQP messaging systems
  • Strong understanding of SDLC & Agile/Scrum
  • Strong knowledge of Git version control
  • Strong knowledge of HTML, CSS, SASS
  • Experience with SQL Server / relational databases

🔹 Nice to Have

  • React (additional JS framework)
  • CI/CD tools (Azure DevOps)
  • Secure coding practices

Key Skills

Ranked by relevance

javascript css microservices typescript server oauth npm c
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Posted
Mar 30, 2026
Type
Contract
Level
Executive
Location
The Hague

Industries

IT Services IT Consulting

Categories

Information Technology

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