Our client is a leading organisation within the Belgian energy sector, and they are looking for an experienced Senior Python Developer to join their IT and Development team in Brussels on a freelance basis.
The role suits someone who combines strong Python skills with hands-on frontend and backend experience, and the analytical mindset to turn business requirements into technical solutions. You will work closely with business stakeholders and technical teams to analyse existing processes, develop new functionality and improve business-critical applications.
Previous experience in the energy or utilities sector would be a strong advantage, though it is not essential.
Main responsibilities
Design, develop and maintain scalable Python-based applications and services
Work across the full stack, contributing to both frontend interfaces and backend systems
Analyse business requirements and translate them into clear technical specifications and development tasks
Collaborate with business analysts, product owners and other stakeholders to understand functional needs
Develop and integrate APIs to enable seamless communication between applications and systems
Identify opportunities to improve existing applications, processes and system performance
Take part in technical discussions, architecture decisions, testing and code reviews
Take ownership of technical deliverables throughout the development lifecycle
Requirements
Essential
Strong professional experience in Python development
Proven experience in both frontend and backend development
Experience designing, developing and integrating REST APIs
Good understanding of modern web technologies, including JavaScript, HTML and CSS
Experience with relational databases and SQL
Strong analytical skills, with the ability to understand complex business requirements and translate them into technical solutions
Experience working in Agile development environments
Ability to work independently and communicate effectively with both technical and non-technical stakeholders
Desirable
Previous experience in the energy, electricity, gas or utilities sector
Experience with Python frameworks such as FastAPI, Django or Flask
Experience with frontend frameworks such as React, Angular or https://jobeax.com/link/tzGekrj9a8ToGEDv
Familiarity with cloud platforms, CI/CD pipelines and containerisation
Experience working on business-critical applications within complex enterprise environments
The offer
Freelance assignment based in Brussels, Belgium
Immediate start
Full stack role working on business-critical applications within the Belgian energy sector
Close collaboration with both business stakeholders and technical teams
If you are a freelance Senior Python Developer with full stack experience and strong analytical skills, this role offers the chance to work on applications that matter to a major energy organisation. Apply below.
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