Company
Careers
We are always looking for talented security researchers and engineers who want to protect the future of decentralised finance.
Open Positions
Senior Smart Contract Auditor
Lead audits of complex DeFi protocols. 3+ years of Solidity security experience required.
Remote
Full-time
Security
Security Researcher - ZK Circuits
Audit ZK circuits (Circom, Halo2, Noir) and contribute to our formal verification tooling.
Remote
Full-time
Research
Security Engineer - Tooling
Build and maintain our internal security analysis tools, custom Slither detectors, and CI/CD integrations.
Remote
Full-time
Engineering
Junior Security Researcher
Entry-level role for candidates with strong Solidity fundamentals and CTF/bug bounty experience.
Remote
Full-time
Security
Why HasFocus?
Fully remote with async-first culture
Competitive salary + audit completion bonuses
Annual conference & training budget
Work on the most critical protocols in DeFi
Publish research under your own name
Flexible hours, results-oriented work