Head of Engineering - London at Hcompany

Head of Engineering 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.