Teams at Rain

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Lead the technical strategy, architecture, quality, reliability, security, and scalability of Rain’s approximately 50-person engineering organization. Oversee critical payment, wallet, ledger, settlement, and partner-integration systems; establish engineering standards, SLOs, incident practices, and developer tooling; review high-impact designs; and develop engineering managers and technical leads. Partner with Product, Risk, Compliance, leadership, board members, banking partners, and customers while planning for significant transaction-volume growth.

Lead and develop a team of senior backend and platform engineers while owning architecture, technical direction, reliability, and engineering standards. The role combines people management with approximately 30% hands-on work, including code reviews, prototyping, debugging, and implementation. Responsibilities include hiring, coaching, incident response, scalability, observability, SLOs, technical planning, and cross-functional partnership with Product, Compliance, Finance, and leadership for systems processing global payments.