About 3P:
3P is a
software specialist serving the public sector. As a fast-growing company, 3P has quickly distinguished itself by offering a comprehensive range of solutions specifically tailored to the needs of public sector organizations
We're looking for a Senior
Full-Stack Developer who can balance strong technical craftsmanship with architectural thinking, and who's eager to shape the core foundation of our next-generation products.
You'll be at the heart of the transformation — designing, developing, and delivering code that moves the mission forward every day.
What you'll do:
- Design and build core features of our new web platform from the ground up
- Collaborate with backend, frontend, DevOps, and QA teams to deliver seamless migration of features and data
- Translate complex business logic from the client application into clean, efficient, scalable web architecture
- Work with product managers and UX designers to create elegant, intuitive interfaces
- Contribute to technical architecture discussions, and help define standards, tools, and frameworks
- Ensure code quality, performance, and security across the stack
- Mentor junior developers and contribute to a culture of technical excellence
- Experiment, optimize, and continuously push for improvement in both product and process
Requirements
- 5+ years of experience in full-stack software development
- Deep proficiency in modern JavaScript frameworks (React, Vue, or Angular) and backend technologies (.NET & Node.js)
- Experience in API design, microservices, and REST or GraphQL architectures
- Solid understanding of cloud environments (AWS, Azure, or GCP) and DevOps practices (CI/CD, containers, etc.)
- A strong sense of ownership, attention to detail, and pride in building high-performing systems
- Excellent collaboration skills — able to work closely with designers, PMs, and fellow engineers
- You enjoy working in cross-functional teams and are willing to come to our office in Kontich at least one to two days per week.
- Your native language is Dutch or French, and you are also highly proficient in English
Nice to have:
- Experience in migration projects or legacy modernization
- Background in data modeling and database optimization (SQL/NoSQL)
- Familiarity with TypeScript
- Interest in performance optimization and front-end architecture
- You've built something end-to-end — from prototype to production
Benefits
You will join an ambitious, fast-growing company with a
young corporate culture and an incredibly
enjoyable working environment.
3P has a long-standing tradition of attracting only top-tier talent in order to deliver impeccable service to its demanding clients.
In return, 3P offers you an exciting role with a
high degree of autonomy, a permanent full-time contract, and an attractive above-market salary package including a company car, laptop, mobile phone, group insurance, pension plan, meal vouchers, hospitalization insurance, numerous team-building activities, and more.
If you love solving complex technical problems, crafting elegant solutions, and working on products that matter — we'd love to meet you!
