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.
Backend Engineer at Humanity Protocol
Humanity Protocol is seeking a Backend Engineer in London to build the decentralized identity layer for Web3. You will own production services using Python and FastAPI, shaping the infrastructure that protects unique human users from bots and Sybil attacks in a high-growth startup environment.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Humanity Protocol
Role overview
Humanity Protocol is a blockchain-based identity and verification platform that helps organizations verify that a person is real and unique without collecting or exposing unnecessary personal data. Its system uses palm biometrics, zero-knowledge proofs, and cryptographic verification to enable privacy-preserving checks for identity, age, income, and other attributes. The company describes its mission as building a trust layer for the internet and an identity and verification layer that can be added to web apps, mobile apps, and smart contracts.
What you will do
- 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.
Who this is a fit for
- 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.
Why this role is remarkable
- 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.
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