Staff Engineer - Paris

About H:
H exists to push the boundaries of superintelligence with agentic AI. By automating complex, multi-step tasks typically performed by humans, AI agents will help unlock full human potential.

H is hiring the world’s best AI talent, seeking those who are dedicated as much to building safely and responsibly as to advancing disruptive agentic capabilities. We promote a mindset of openness, learning, and collaboration, where everyone has something to contribute.

About the Team:

The Product Engineering Team is committed to ensuring the successful implementation and operation of our Agents and Inference platforms, including ancillary services, which serve the needs of our Research department and act as a foundation for agentic products and services we take to market.

Key Responsibilities:

- Define and lead technical architecture, design, and long-term engineering roadmap.

- Develop and maintain complex, high-performance, and scalable systems.

- Mentor and guide engineers across multiple teams, fostering technical excellence.

- Conduct thorough code and design reviews, ensuring quality and security best practices.

- Collaborate with Research, Engineering, and other stakeholders to deliver impactful solutions.

- Drive improvements in system reliability, scalability, and observability.

- Establish and enforce engineering standards, tooling, and processes.

- Champion technical innovation and proactively address technical debt.

REQUIREMENTS:

- Technical skills:

- Previous demonstrable role(s) as Staff Engineer with relevant set of responsibilities and achievements

- Strong 5+ years of experience in Python backend development (Flask, Django, FastAPI or similar)

- In-depth experience with distributed systems or cloud computing, preferably in AWS

- Experience building and shipping end to end solutions

- Experience building APIs (REST and/or GraphQL) and integrating with external services.

- Expertise in rela...