Blockchain Security Jobs

Espresso Systems is hiring a Security Engineering Lead to lead security reviews and auditing for its base-layer rollup infrastructure, coordinating internal and external efforts to strengthen a production mainnet system.

Electric Coin Co. seeks a Director of Security to own incident response, security assurance, and the security strategy for Zcash across distributed teams and external partners.

Build and scale secure Node.js back-end services and developer SDKs for Arbitrum, contributing to the core infrastructure that powers one of Ethereum’s leading scaling ecosystems.

Offchain Labs seeks a hands-on TechOps Admin in Nashville to run the local datacenter, administer identity and device platforms, and deliver day-to-day IT support for a fast-growing blockchain infrastructure company.

An established digital-asset firm is seeking an experienced Senior Backend Engineer to build secure, high-performance backend systems for institutional custody and wallet products.

OleOle is hiring senior Rust backend engineers to build core APIs, scalable data infrastructure, and secure authentication systems for a global football-focused social and betting platform.

Experienced frontend engineer needed to lead cross-platform wallet UI and developer tooling for a high-impact Wallets-as-a-Service platform.

Lead security strategy and engineering for mission-critical blockchain wallet infrastructure, protecting client assets while embedding security across the stack.

Lead Mobile Engineer needed to own and deliver iOS/Android apps and mobile SDKs for a secure, next-generation fintech/blockchain platform in a remote US/EU role.