Lead Python Engineer
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Job Title: Lead Python Engineer
Duration: 9 months + possible extensions
Location: Brussels or Paris
Hybrid: 8 onsite days per month
Start Date: ASAP
We’re currently looking for a Lead Python Engineer to join an international engineering environment focused on modern backend development, scalable APIs, and high-quality software delivery.
This is a senior-level role for someone who enjoys being hands-on technically while also helping drive architecture decisions, engineering standards, and technical direction within the team.
You’ll be working closely with developers, product owners, and cross-functional teams to build reliable, scalable, and maintainable backend solutions in a cloud-based environment.
Responsibilities
- Develop and maintain backend services using Python and FastAPI
- Design scalable REST APIs and microservices
- Contribute to architecture and technical design decisions
- Support code reviews, mentoring, and engineering best practices
- Work with CI/CD pipelines, testing frameworks, and containerised applications
- Collaborate with technical and business stakeholders across the project
Requirements
- 8+ years of professional Python development experience
- Strong FastAPI and REST API development experience
- Experience building scalable backend systems in production environments
- Strong understanding of testing frameworks such as Pytest
- Experience with Docker, Git, and CI/CD environments
- Knowledge of NoSQL databases (MongoDB is a plus)
- Previous experience in technical leadership or mentoring roles
Nice to Have
- Async programming / concurrency in Python
- Terraform or Infrastructure as Code exposure
- Cloud platform exposure (AWS, Azure, or GCP)
- Agile / Scrum experience