Senior Python Engineer (Public API)

Overview

Job Description

Responsibilities

• - Design, build, and evolve the public API product
• - Ship features used by self-serve developers and large enterprise customers
• - Ensure the API remains reliable, scalable, and easy to integrate
• - Own the API surface end-to-end: from design decisions to implementation
• - Iterate quickly based on real usage and user feedback
• - Collaborate closely with product, machine learning, backend, and sales teams

Required Skills

• - Strong experience building backend systems in Python
• - Comfortable with FastAPI or similar frameworks
• - Experience with async patterns, concurrency, and production debugging
• - Owned or significantly contributed to the design of public-facing APIs
• - Care about reliability, performance, and developer experience
• - Pragmatic and product-minded
• - Comfortable making decisions and collaborating with cross-functional teams
• - Experience in high-performing teams, ideally in fast-paced or start-up environments

Benefits

• - Work flexibly from selected countries with monthly Paris office visits
• - Regular team gatherings and in-person onboarding in Paris
• - 30 days annual leave plus local public holidays
• - Competitive equity package with stock options/BSPCE
• - €1,000 one-time home office grant or €400/month co-working space stipend
• - €1,000 annual learning and development budget
• - Private health insurance
• - Relocation support for those moving to France
• - Access to personalised mental health support
• - Sports and cultural activities reimbursement