Senior Full-stack Engineer

Stack

Responsibilities

• ▹Design, build and ship features end to end across the stack: Python/Django services and REST APIs on the backend, React applications on the frontend
• ▹Own quality on your scope: automated testing, peer review, observability and production monitoring
• ▹Identify and address technical debt to improve system performance and maintainability
• ▹Contribute to architecture evolution: domain boundaries, data schemas, event-driven patterns and the tradeoffs of a platform serving both e-commerce and manufacturing
• ▹Participate in architecture discussions and system design decisions
• ▹Make AI-augmented development part of your daily practice and help shape the team's agents, skills and internal tooling
• ▹Collaborate closely with product, design, data and operations stakeholders to deliver high-quality features, from checkout conversion to factory throughput
• ▹Bring visibility to ongoing work, risks and dependencies
• ▹Mentor other engineers and raise the team's bar through design and code review
• ▹Contribute to technical documentation and knowledge sharing

Requirements

• ▹5+ years of professional software engineering experience, with significant time on both backend and frontend in production systems
• ▹Strong backend experience with Python, along with common libraries such as Django, Rest Framework and FastAPI
• ▹Solid modern frontend experience with React and the current JavaScript/TypeScript ecosystem
• ▹Deep understanding of the fundamental design principles behind a scalable application
• ▹A knack for writing clean, readable and maintainable code
• ▹Hands-on AI fluency and a genuine interest in AI-assisted engineering workflows
• ▹Comfortable with cloud-native environments: GCP, Docker, CI/CD
• ▹Pragmatic mindset, knowing when to invest in perfection and when to build a PoC
• ▹Autonomous on your scope: you own outcomes and escalate when needed

Nice to have

• ▹Prior experience in B2C, e-commerce or manufacturing

Soft skills

What we offer

• ▹Competitive base salary of €60,000–70,000 based on experience
• ▹Variable bonus of up to 10% based on company and individual performance
• ▹BSPCE program
• ▹100% coverage of health insurance and life/disability plan (including dependents)
• ▹Access to CSE allowance
• ▹Standard French benefits: Swile meal vouchers, transport allowance and Syntec vacation bonus
• ▹€150 worth of personalized Prose products each month

About the company

Prose makes custom, made-to-order hair and skin care developed by an in-house Paris-based R&D team, powered by Singular, its proprietary AI-powered beauty-tech platform. Founded in 2017 with hubs in Paris, New York and Los Angeles, it has 350+ team members, has been profitable since 2024 and is a certified B Corporation.