Web3 Security Specialist
Job description
About the role
The role investigates blockchain chains and DeFi projects to define security postures for emerging ecosystems. The position converts attack logic disassembly into defensive findings that address root causes instead of surface issues. Research output becomes actionable detection rules and wallet strategies that stop novel exploit techniques. Documentation of attack patterns and insights builds structured knowledge and improves automated security operations.
Security professionals protect systems, data, and users. They review code, run tests, monitor threats, and respond to incidents. The field spans application security, infrastructure security, and governance. Security work is careful, evidence based, and constantly evolving. Security teams work in a landscape of constant change, with new threats and new rules every year. Most companies invest heavily in training and tooling for their teams.
Key facts
What you'll do
Systematic examination of new chain and DeFi project architecture uncovers underlying security risks. Root technical causes are identified by dissecting attack logic and exploit techniques instead of addressing surface issues. Detection rules and wallet security strategies are created to block new exploit techniques. Structured documentation of attack patterns and insights expands team knowledge and improves automated security operations.
Requirements
Deep comprehension of blockchain protocols and smart contract logic is required.
Systematic investigation of unfamiliar technologies and projects must uncover core security risks.
Proficiency with data tools and AI is needed to analyze trends, scale output, and refine strategies.
A goal-oriented mindset must target root causes to find practical defensive solutions.
Practical notes
This role functions with a work-from-home arrangement that may differ by business team.
The position operates under Binance security standards and equal opportunity employment policies.
Typical interview steps
Security interviews usually include a technical assessment, a threat modeling exercise, and behavioral rounds. Candidates may be asked to review a code sample for vulnerabilities or design a secure system. Practical knowledge and clear risk communication are the core skills. Interviewers often ask how you triage and communicate risk. Showing calm judgment under pressure matters as much as technical depth.
Good to know
Security research in Web3 involves deep protocol analysis and smart contract logic review to surface hidden risks. Professionals use data tools and AI to process large data sets and refine detection strategies over time. This role requires clear communication of technical findings to cross-functional teams. Security operations benefit from structured documentation that captures attack patterns and insights. Continuous learning keeps practitioners aligned with evolving blockchain and DeFi technologies.
Questions to ask
Good questions to ask the employer in the interview: what does success look like in the first six months, how is the team structured, what is the current biggest challenge, and how are decisions made. Asking about growth paths and the review process is also well received. Employers expect questions, and good ones show preparation.
Career growth
Security careers grow from analyst or engineer to senior, staff, and leadership roles. Specializations include cloud security, application security, and security operations. Certifications help early; demonstrated impact matters later. Security careers reward specialization and a track record of finding and fixing real issues. Written communication of risk is a core skill at senior levels.
About the company
Founded by Changpeng Zhao in 2017, the platform supports spot, futures, and options trading across hundreds of digital asset pairs. Richard Teng succeeded Zhao as CEO in November 2023. In March 2025, Binance raised $2 billion in a Series C round led by MGX, an Abu Dhabi-based technology investor.
About the company
Binance is the largest cryptocurrency exchange in the world by daily trading volume. Founded by Changpeng Zhao in 2017, the platform supports spot, futures, and options trading across hundreds of digital asset pairs. Richard Teng succeeded Zhao as CEO in November 2023. In March 2025, Binance raised $2 billion in a Series C round led by MGX, an Abu Dhabi-based technology investor.