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Senior Full Stack Developer

Sansaone


Job Location:

Antwerp - Belgium

Monthly Salary: Not provided by the employer
Posted: 9 September 2026 (7 hours ago)
Application Deadline: 7 December 2026
Vacancies: 1 Vacancy

Job Summary

We are looking for a Senior Full Stack Developer to help build a scalable and high-performance platform within a socially relevant context.

The platform consists of various modules. The system is business-critical and is developed using modern engineering principles within an Agile environment.

We are not looking for a ticket developer but a senior engineer who takes ownership ensures quality and brings technical maturity to the team.

In your role you will:

  • Develop backend services in (TypeScript-first)
  • Build high-performance and maintainable frontends in React
  • Work with PostgreSQL in a production environment
  • Contribute to discussions on architecture scalability and security
  • Implement test automation and monitor code quality
  • Work within an Agile/Scrum team
  • Actively contribute to improvements in the way-of-working
  • Coach fellow developers where necessary

You will have a real impact on technical choices and development standards within the platform.

Summary

  • Demonstrable experience in developing web-based applications
  • Demonstrable experience in leading a development team and coaching developers
  • Demonstrable experience in executing programming tasks efficiently: coding testing and debugging
  • Demonstrable knowledge and experience with Agile development methodologies with the ability to take on a leadership role
  • Language requirement: Dutch at European CEFR level C2

Requirements

Must Have

  • Demonstrable experience in developing web-based applications: 5 years
  • Demonstrable knowledge and experience with in backend development
  • Demonstrable knowledge and experience with PostgreSQL and relational databases
  • Demonstrable knowledge and experience with React for modern frontend applications
  • Demonstrable knowledge and experience with TypeScript and JavaScript in production environments
  • Language requirement: Dutch at European CEFR level C2

Should Have

  • Demonstrable experience in leading a development team and coaching developers
  • Demonstrable experience in executing programming tasks efficiently: coding testing and debugging
  • Demonstrable knowledge and experience with Agile/Scrum methodology
  • Demonstrable knowledge and experience with cloud platforms (AWS and/or Azure)
  • Demonstrable knowledge and experience with Docker and containerization
  • Demonstrable knowledge and experience with test automation and CI/CD pipelines
  • Demonstrable knowledge and experience with Agile development methodologies with the ability to take on a leadership role


Required Skills:

STACKCI/CDAWSTYPESCRIPTAZURE


About Company

Sansaone

30 employees

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Welcome to Sansaone, a dynamic force in the realm of ICT talent acquisition. Born out of a passion for excellence and a vision for connecting outstanding professionals with forward-thinking organizations, we stand as a beacon for strategic recruitment solutions in the Information and ... View more

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