Senior Backend Developer (Python)

We are the Intelligent Internet Platform that connects People, Places and Things while managing Internet Performance. As a Backend Developer, you will work on the computational core of our platform, writing Python and/or .NET for our internal tools and APIs. This role involves algorithmic implementation, API design, and ensuring code quality.

• Implement and maintain business logic for the quote engine and partner integrations
• Define contracts, manage versioning, and ensure API reliability
• Refactor and clean up existing Python/C# code
• Write unit and integration tests
• Collaborate with commercial teams and participate in sprint reviews

• Advanced Python — non-negotiable
• API design and implementation
• Software engineering discipline
• Ability to work in a mixed-language codebase (Python/C#)
• C# proficiency is a strong plus
• Familiarity with AWS services
• Experience with API specification tooling
• Familiarity with constraint-solving tools
• Experience in a B2B SaaS context

• Part of a trusted team directly impacting commercial stakes
• Direct access to production systems
• Exposure to cutting-edge technologies
• Role designed with career trajectory in mind
• Competitive compensation
• Pension Plan
• Hybrid Working
• 25 Days Holidays