Backend Engineer at Humanity Protocol

Join Humanity Protocol as a Backend Engineer in London to build the decentralized identity systems powering a privacy-preserving human layer for Web3. You will own production services using Python and FastAPI, ensuring the reliability and scalability of our palm-scan biometric network while working alongside world-class engineers and cryptographers in a hybrid office environment.

• Design and implement scalable backend APIs using Python (FastAPI) to power the identity verification platform and biometric verification flows.
• Take end-to-end ownership of production services, including deployment, monitoring, and incident response to ensure high reliability.
• Optimize and scale database architectures using Postgres and Redis to support a rapidly growing user base and high-throughput transaction volumes.

• Has 4+ years of professional experience building and maintaining production-grade APIs using Python or a directly comparable backend stack.
• Demonstrates deep expertise in SQL and Postgres, with a proven track record of managing database performance and reliability at scale.
• Possesses a strong sense of ownership and technical leadership, having previously led scaling or reliability projects in production environments.

• Join a $1.1B unicorn at the intersection of ZK-proofs and biometrics, solving the critical challenge of Sybil attacks in decentralized networks.
• Work on a high-impact platform backed by $50M from leading investors including Pantera, Jump Crypto, and Kingsway Capital.
• Exercise true ownership over production services in a fast-paced environment where your decisions directly shape the infrastructure of a global identity network.