CertiK

Blockchain Security Engineer - (Solidity / Rust / Golang)

USA, United States full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the role

About the Company

CertiK is the largest blockchain security auditor and provides a comprehensive suite of tools to secure the industry at scale. To date, CertiK has worked with over 4,900 Enterprise clients, secured over $557 billion worth of digital assets, and has detected over 18,000 vulnerabilities in blockchain code. Our clients include leading projects such as OKX, Tether, Ripple, and Pancakeswap. Our investors include top VCs like Tiger Global, Coatue Management, Shunwei Capital and Hillhouse Capital as well as industry leaders like Coinbase Ventures and Binance.

About the Role

We are seeking a Junior Blockchain Security Engineer with a strong security mindset and foundational technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. In this role, you will support Web3 projects by assisting in code audits, contributing to security tools, and conducting research under guidance. If you are eager to grow your career in blockchain security and passionate about securing decentralized technologies, we’d love to hear from you.

Responsibilities

Audit and review codebases for smart contracts, blockchain protocols, and decentralized applications (dApps) to identify and remediate vulnerabilities.

Conduct guided security research, explore new attack vectors, and deliver actionable insights.

Contribute to the design, development, and maintenance of internal security tools and frameworks.

Support improvements to internal processes, methodologies, and service offerings, ensuring high-quality delivery for clients.

Requirements

Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security.

At least 1 years of hands-on experience with blockchain technologies, including: Smart contracts (EVM chains, Solana, Move, etc.), Blockchain protocols (nodes, SDKs, Cosmos, etc.)

Experience 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.

Preferred Qualifications

Solid academic or practical background in Mathematics, Cryptography, or Cybersecurity.

Demonstrated experience conducting audits and collaborating with leading Web3 protocols.

Recognized achievements such as published CVEs, or strong placements in Attackathons, Bug Bounties, or Audit Contests.

Compensation

Additional Information

Compensation

Target annual salary for this role performed in the US is $102,000 - $180,000. The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates.

CertiK accepts applications for this position on an ongoing basis. 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.

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Business Development Python Sales Blockchain Security Mid level

Likely questions

  1. Tell us about work you have done that is close to the Blockchain Security Engineer - (Solidity / Rust / Golang) role.
  2. How would you approach your first 30 days at CertiK?
  3. Which of Business Development, Python and Sales have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Business Development, Python and Sales.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Blockchain Security Engineer - (Solidity / Rust / Golang) role because I can bring practical experience in Business Development, Python and Sales, learn the team quickly, and contribute to the outcomes CertiK needs from this hire.

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