Junior Blockchain Security Engineer — Solidity / Rust / Golang

CertiK is a blockchain security company focused on audits, security research, and infrastructure protection across decentralized systems. The firm has audited thousands of Web3 projects and supports protocols securing large volumes of digital assets.

This Junior Blockchain Security Engineer role sits within web3 security roles and supports smart contract audits, protocol reviews, and decentralized infrastructure analysis. The position involves hands-on review of Solidity, Rust, and Golang code across EVM chains, Solana, Move-based systems, and blockchain nodes. You will assist in identifying vulnerabilities, contributing to internal security tooling, and researching attack vectors under guidance from senior engineers. This is a full-time remote position based in the United States.

This role operates across blockchain infrastructure roles where code review depth and protocol-level understanding are critical.

🔹 Responsibilities

• Review and audit smart contracts, blockchain protocols, and decentralized applications to identify and document security vulnerabilities
• Conduct guided security research, analyze emerging attack vectors, and produce actionable findings
• Contribute to the design, development, and maintenance of internal security tools and frameworks
• Support improvements to internal audit methodologies, processes, and service quality

These expectations reflect what recruiters look for in crypto jobs when evaluating early-career security engineers.

🔹 Requirements

• Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security
• Minimum 1 year of hands-on experience with blockchain technologies, including smart contracts (EVM chains, Solana, Move) and blockchain protocols (nodes, SDKs, Cosmos)
• Experience in threat modeling, risk assessment, and security analysis
• Proficiency in at least one programming language such as Rust, Go, Solidity, or Python
• Strong interest in cryptocurrency, DeFi, and blockchain systems

Preferred Qualifications

• Academic or practical background in Mathematics, Cryptography, or Cybersecurity
• Experience conducting audits and collaborating with Web3 protocols
• Recognized achievements such as published CVEs or strong placements in attackathons, bug bounties, or audit contests

🔹 Compensation & Benefits

• Target annual salary (US-based role): $102,000 – $180,000 USD
• Full-time employment
• Medical, vision, and dental insurance
• 401(k) plan with company matching
• Life and AD&D insurance
• HSA (with high deductible plan) and FSA
• Flexible paid time off and holidays
• Employment contingent on verification of identity and authorization to work in the United States

CertiK accepts applications on an ongoing basis and is an equal opportunity employer.

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