> Markdown version of [/jobs/ext/2712688-blockchain-security-engineer](https://www.wearedevelopers.com/jobs/ext/2712688-blockchain-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Blockchain Security Engineer - **Company:** Cook Martin Poulson, P.C. - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $102,000.0 - $180,000.0 - **Contract:** Permanent contract - **Skills:** Bioinformatics, Cyber Security, Python (Programming Language), Blockchain, Information Technology, Solidity, Web3.js, Blockchain Security, Golang, Programming Languages - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/blockchain-security-engineer-senior-level-solidity-rust-golang-certik-2436708 ## About the Role We are seeking a Senior Blockchain Security Engineer with a strong security mindset and deep technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. You will play a critical role in safeguarding Web3 projects by auditing code, building security tools, and driving research. If you have hands-on experience in Web3 and are passionate about advancing the security of decentralized technologies, we'd love to hear from you., * Bachelor's, Master's, or PhD in Mathematics, Computer Science, or Information Security. * Minimum 3 years of professional experience as a Software Engineer, Security Engineer, or in a related role. * At least 2 years of hands-on experience with blockchain technologies, including: Smart contracts (EVM chains, Solana, Move, etc.), Blockchain protocols (nodes, SDKs, Cosmos, etc.) * Strong expertise in threat modeling, risk assessment, and security analysis. * Proficiency in one or more programming languages: Rust, Go, Solidity, Python, etc. * Passion for Cryptocurrency, DeFi, and Blockchain technologies., * Solid academic or practical background in Mathematics, Cryptography, or Cybersecurity. * Demonstrated experience conducting audits and collaborating with leading Web3 protocols. ## Description * Audit and review codebases for smart contracts, blockchain protocols, and decentralized applications (dApps) to identify and remediate vulnerabilities. * Work closely with external blockchain teams to enhance the security of their products by providing expert security consultation and implementing remediation strategies. * Conduct independent security research, explore new attack vectors, and deliver actionable insights. * Design, develop, and maintain internal security tools and frameworks to strengthen our security services. * Continuously improve internal processes, methodologies, and service offerings while ensuring high client satisfaction and long-term partnerships., CertiK is proud to offer medical, vision, and dental insurance, 401(k) plan with company matching, life and accidental death and dismemberment insurance, HSA (with high deductible plan), FSA, and other benefits to all full-time employees, along with flexible paid time off and holidays. CertiK also offers a variable commission program for business development sales roles. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. CertiK is proud to be an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of age, race, color, creed, religion, sex, sexual orientation, gender, gender identity or expression, medical condition, national origin, ancestry, citizenship, marital status or civil partnership/union status, physical or mental disability, pregnancy, childbirth, genetic information, military and veteran status, or any other basis prohibited by applicable federal, state or local law. CertiK will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements. https://www.eeoc.gov/sites/default/files/migrated_files/employers/poster_screen_reader_optimized.pdf All CertiK employees are expected to actively support diversity on their teams, and in the Company. ## Related Videos - [Smart Contract fundamentals - My first DApp](https://www.wearedevelopers.com/videos/52-smart-contract-fundamentals-my-first-dapp) - [Future-Proofing FinTech With Blockchain Technology](https://www.wearedevelopers.com/videos/808-future-proofing-fintech-with-blockchain-technology) - [Trust as the Key Concept in Future Mobility](https://www.wearedevelopers.com/videos/581-trust-as-the-key-concept-in-future-mobility) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Blockchain, NFT and smart contracts for my application](https://www.wearedevelopers.com/videos/877-blockchain-nft-and-smart-contracts-for-my-application) - [Why You Should Care About the Decentralized Computing Movement](https://www.wearedevelopers.com/videos/999-why-you-should-care-about-the-decentralized-computing-movement) ## Related Articles - [7 tips on how to become a blockchain developer](https://www.wearedevelopers.com/magazine/53-7-tips-on-how-to-become-a-blockchain-developer) - [Why Blockchain? A Developer’s Perspective](https://www.wearedevelopers.com/magazine/616-why-blockchain-a-developer-s-perspective) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [From Hype to Code: Real Blockchain Use Cases for Developers](https://www.wearedevelopers.com/magazine/620-from-hype-to-code-real-blockchain-use-cases-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this)