Senior Software 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 responsible for developing H’s Enterprise Platform, providing all the tools and services to support critical operational use-cases for our customers. Our platform includes key services, from executing computer-use agents at scale, to orchestrating complex workflows and providing a complete observability, troubleshooting and evals suite of tools. Our Product Engineering team is at the heart of our company’s development, bridging the gap between AI research and real-world impact, and works closely with all parts of the organization.

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, Product, 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 Senior Software Engineer with relevant set of responsibilities and achievements

- Strong 5+ years of experience in backend development (Python & Golang preferred)

- In...