Security Engineer Jobs in 2026

About CoW DAO

CoW DAO is on a mission to protect Ethereum users from MEV and optimize trade execution across DeFi. We achieve this through the CoW Protocol, CoW Swap (a leading intent-based DEX aggregator), and the innovative MEV Blocker, which together help secure, aggregate, and route trades f...

About Vac

Vac builds public good protocols for the decentralized web. We do applied research based on which we build protocols, libraries and publications.

Vac’s R&D Service Units are integral to supporting IFT projects by researching and developing base components and secure, unbiased protocol...

Blockaid is looking to hire a Backend Engineer to join their team. This is a full-time position that is based in Tel Aviv.

Blockaid - The onchain security platform.

Crypto.com is looking to hire a Compliance Analyst, Singapore to join their team. This is a full-time position that is based in Singapore.

Crypto.com - We're on a mission to accelerate the world's transition to cryptocurrency.

Solana Foundation is looking to hire a Partner Marketing Lead to join their team. This is a full-time position that can be done remotely anywhere in the United States.

Solana Foundation - A non-profit organization dedicated to the decentralization, growth, and security of the Solana network.

BitGo is looking to hire a Compliance Analyst to join their team. This is a full-time position that is based in Dubai.

BitGo - Provides regulated custody, financial services, and core infrastructure for investors and builders alike.

Fireblocks is looking to hire a SecOps Analyst to join their team. This is a full-time position that is based in Belgrade.

Fireblocks - An enterprise-grade platform delivering a secure infrastructure for moving, storing, and issuing digital assets.

As a Senior Blockchain Engineer, you will be responsible for designing, developing, and optimizing smart contracts and blockchain infrastructure for our platform. You will work closely with the CPO and product teams, and other engineers to deliver innovative and secure solutions within the DeFi ecos...

We are looking for a Backend Engineer (DeFi-focused) who will be responsible for performance optimization and integration of new DeFi protocols into our ecosystem. This role requires a deep understanding of Golang, DeFi architecture, and smart contracts.

Backend Development & Maintenance

• Desi...

StarkWare is looking to hire an U.S. Senior Relationship Manager to join their team. This is a full-time position that is based in New York NY.

StarkWare - using STARK proofs to bringing scalability, security and privacy to a blockchain near you.