Python Developer (Expert level)

Candidates should be based in Belgium or France and 8 days a month Brussels office presence is mandatory.

Experience: Minimum 8 years of professional experience in Python development, including hands-on delivery in production environments.

Technical Skills Required

• Python (Expert level) - Strong mastery of Python fundamentals and advanced concepts.
• FastAPI - Proven experience building RESTful APIs and microservices using FastAPI.
• API Design - Ability to design clean, maintainable, secure, and well-documented HTTP REST APIs.
• Terraform (Basics) - Understanding of Infrastructure as Code principles for simple deployments.
• NoSQL Databases - Solid understanding of NoSQL concepts; experience with MongoDB is a plus.
• Version Control - Git and branching strategies; experience with TFS/Azure DevOps is a plus.
• Testing Frameworks - Pytest or equivalent frameworks for unit and integration testing.
• CI/CD - Familiarity with pipeline tools such as GitHub Actions, Azure DevOps, or Jenkins.
• Containerisation - Basic knowledge of Docker for packaging and deploying applications.

Core Responsibilities

• Analyse and understand business and technical requirements, translating them into effective software solutions.
• Design, validate, and implement robust, scalable, and maintainable solutions, with a focus on long-term architecture and operability.
• Collaborate closely with the squad, product owner, and cross-functional teams to ensure technical alignment and predictable delivery.
• Ensure high code quality through established best practices, automated testing, documentation, and continuous improvement.

Act as the technical/development lead for the squad:

• Provide technical direction and architectural guidance
• Review code and design decisions
• Ensure alignment with agreed standards and target architecture
• Mentor and support other developers in the team
• Contribute to technical decision-making and take ownership of solution quality, performance, and reliability