Blockchain Security Engineer
ChainSecurity provides smart contract audits and security services for blockchain projects, financial institutions, and corporate clients.
Maintainer signals as of 8/12/2026
About ChainSecurity
ChainSecurity examines blockchain code to identify security issues for DeFi protocols, central banks, and corporations. Founded in 2017 as an ETH Zurich spin-off, the company specializes in smart contract audits, security reviews, and technical analysis. Their team consists of security experts with academic backgrounds in cryptography and formal verification. ChainSecurity has completed security assessments for major projects including MakerDAO, Compound, Curve, and Lido, establishing a track record in securing complex blockchain implementations.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You audit blockchain projects with their developers, identify vulnerabilities, contribute to security tools, conduct security research, and publish your findings. You apply software engineering, cryptography, Linux, Git, and object-oriented programming skills to secure products handling significant value.
Requirements
- Strong software engineering background focused on security-relevant areas
- Ability to reason about complex code
- Experience with penetration testing, vulnerability scanning, or threat modeling is a plus
- Good knowledge of cryptography
- Proficiency with Linux and Git
- Good written communication skills
- Fluency in an object-oriented programming language
Responsibilities
- Audit blockchain code with developers
- Contribute to security tools
- Create new security tools with the internal research team
- Conduct security research
- Publish security findings
Benefits
- Profit-sharing system
- Visa assistance for relocation to Zurich
- Remote work possible for experienced senior candidates
- Shared ownership opportunities
