Frontend Developer

Senior Front-End Developer (React + . NET)

Hybrid The Hague (10 on-site days every 2 months)

EU SECRET security clearance (Category B) is mandatory

11 Aug 2025 - 6 Oct working days high chance of extension

Ready to build tech that keeps Europe safe? Join Europe's agile squads to craft modern, mission-critical systems used across all 27 EU member states.

What you'll do

• Craft slick UIs in React, TypeScript, Semantic UI, SASS
• Contribute to a micro-services back-end in .NET 6 (C#)
• Optimise search with Elasticsearch and data with SQL Server
• Ship containerised solutions (Docker & Kubernetes) through Azure DevOps CI/CD
• Work in a true DevSecOps culture: peer reviews, full test coverage, solid documentation

What you bring

• 6-7+ years' full-stack experience, with 2+ years React/TypeScript front-end focus
• Proven track record on scalable, high-availability systems
• Fluent English (B2+) and the soft-skills to thrive in an international SCRUM team
• Valid EU SECRET clearance in hand

Why apply?

• Impact: your code helps protect 450 million citizens
• Stability: long initial contract with strong extension prospects
• Flexibility: hybrid setup & empowered, professional culture

Sound like your next move? DM me or hit "Apply" today - let's secure Europe's future together.