Senior Python Developer

Vivid Resourcing Ltd; Brussel Hoofdstad; Presencial; EUR 83.000 - 138.000; Jornada completa

Descripción de la vacante

Vivid Resourcing Ltd is seeking a freelance Senior Python Developer to join their IT and Development team in Brussels, Belgium. The role combines strong Python skills with hands-on frontend and backend work, translating business requirements into technical solutions and collaborating with stakeholders to deliver critical applications.

Experience in energy/ Utilities is advantageous but not required, and the candidate should be comfortable working across the full stack on APIs, frontend

Formación

• Strong hands-on Python development experience.
• Experience designing, developing and integrating REST APIs.
• Good understanding of modern web tech including JavaScript, HTML and CSS.
• Excellent analytical skills to translate business needs into technical solutions.

Responsabilidades

• Design, develop and maintain Python-based applications and services.
• Work across the full stack, contributing to frontend and backend systems.
• Analyze requirements and translate into technical specs and tasks.
• Collaborate with analysts, product owners and stakeholders.
• Develop and integrate APIs for inter-application communication.
• Identify opportunities to improve applications, processes and performance.
• Participate in architecture discussions, testing and code reviews.
• Own technical deliverables through the development lifecycle.

Conocimientos

Python development

Frontend & backend

REST APIs

SQL databases

Agile

Descripción del empleo

Senior Python Developer

Location: Brussels, Belgium
Contract: Freelance
Start date: ASAP

About the role

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

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 Vue.js
• 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.