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.

Responsibilities

• Own, review, and challenge the end-to-end architecture of our product and research stack, including inference systems and the agent platform.
• Scale and lead the Product Engineering, Infrastructure, and Inference teams, with clear ownership, execution rigor, and strong technical standards.
• Partner closely with Product, Research, and Leadership to translate strategy into reliable, scalable systems.

Must-have Experience

• Proven track record building and scaling a production SaaS platform.
• Strong hands-on experience with AWS, Docker, Kubernetes, Redis, and modern observability tooling (e.g. Datadog).
• Exposure to MLOps, large-scale model training, inference systems, or LLM-based reinforcement learning.
• Experience operating multi-tenant systems with high reliability, security, and performance.
• Experience building and deploying enterprise platforms self-hosted or on-premise.
• Familiarity with SOC 2 or similar compliance frameworks in a production environment.

Nice-to-have Experience

• Experience orchestrating compute-intensive workloads (training and/or large-scale inference).
• Familiarity with workflow orchestration platforms.

Location:

• Paris or London.
• This role is hybrid, and you are expected to be in the office 3 days a week on average.
• Please expect some travel between offices on a reasonable cadence (e.g., every 4-6 weeks).

What we offer:

• Join the exciting journey of shaping the future of AI, and be part of the early days of one of the hottest AI startups.
• Collaborate with a fun, dynamic, and multicultural team, working alongside world-class AI talent in a highly collaborative environment.
• Enjoy a competitive salary.
• Unlock opportunities for professional growth, continuous learning, and career development.

If you want to change the status quo in AI, join us.