Full Stack Developer

keystone-solutions; Brussel Hoofdstad; Sur place; EUR 50 000 - 70 000; Plein temps

Avantages offerts par ce poste

Collaborative environment

Emphasis on code quality

Modern tech stack

Full-stack ownership

Résumé du poste

Keystone Solutions is looking for a skilled Full Stack Developer to join our team in Brussels. You will be involved in building a modern, data-intensive web platform that supports specialized police units combating organized crime, cybercrime, and terrorism.

The ideal candidate should have strong expertise in Python and Django, with solid skills in React and TypeScript. Join us for an impactful role in a well-structured, collaborative environment.

This full-time consultancy mission will run from March 8, 2026, to December 31, 2026.

Qualifications

• Strong experience with Python and Django.
• Solid skills in React and TypeScript, ideally with modern tooling like Vite.
• Familiarity with PostgreSQL, including complex queries and data modeling.
• Experience with background job processing.
• Understanding of REST API design and OpenAPI standards.

Responsabilités

• Help build a modern, data-intensive web platform.
• Work across the entire stack, from designing APIs to crafting responsive user interfaces.
• Support specialized units and forensic activities essential to the mission.

Connaissances

Python

Django

React

TypeScript

PostgreSQL

Docker

Django REST framework

GitLab CI/CD

Redis

Celery

Pytest

Description du poste

Mission Overview

We are seeking a skilled Full Stack Developer / Software Engineer to join our team at Keystone Solutions. This consultancy mission will take place at a client site, where you will help build a modern, data-intensive web platform. You will work across the entire stack, from designing APIs to crafting responsive user interfaces, all within a well-structured and maintainable codebase.

Work Environment

You will be working with a specialized police service responsible for combating organized crime in all its forms, with a strong focus on cybercrime, terrorism, and drug trafficking. This role places you at the heart of technical operations, where you will support specialized units and forensic activities that are essential to the mission.

Tech Stack

Backend (min. 5+ years experience):

• Python with Django and Django REST Framework for building robust, scalable APIs
• PostgreSQL
• Redis
• Celery

Frontend (min. 3+ years experience):

• React
• TypeScript
• Vite

Infrastructure & Tooling (min. 5+ years experience):

• Docker
• GitLab CI/CD
• Pytest

What We're Looking For

• Strong experience with Python and Django
• Solid skills in React and TypeScript, ideally with modern tooling like Vite
• Familiarity with PostgreSQL, including complex queries and data modeling
• Experience with background job processing
• Understanding of REST API design and OpenAPI standards
• Comfortable with Docker and CI/CD workflows
• A mindset that values clean code, testing, and maintainability

Nice to Have

• Experience with data-heavy applications and complex data visualizations
• Pandas experience or willingness to learn

What We Offer

• A clean, well-organized codebase with clear architecture and patterns
• Strong emphasis on code quality
• Modern tech stack
• Full-stack ownership with real impact across both frontend and backend
• A collaborative environment where engineering excellence is valued

Soft Skills

• Communication
• Eye for details
• Team oriented
• Collaborative mindset
• Proactive
• Enjoy digging into challenges

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

Duration

03/08/2026 - 31/12/2026 (5 months, full time)

Skills required

• CSS - Level: Junior - Most recent: Any time
• Django - Level: Confirmed - Most recent: Any time
• Django REST framework - Level: Confirmed - Most recent: Any time
• Docker - Level: Confirmed - Most recent: Any time
• PostgreSQL - Level: Confirmed - Most recent: Any timePytest - Level: Confirmed - Most recent: Any time
• Python - Level: Confirmed - Most recent: Any time
• React - Level: Junior - Most recent: Any time
• Redis - Level: Confirmed - Most recent: Any time
• REST API - Level: Confirmed - Most recent: Any time
• TypeScript - Level: Junior - Most recent: Any time

Language requirements

• Dutch - Level: Passive knowledge
• English - Level: Active knowledge
• French - Level: Passive knowledge