Security Engineer

Asymmetric Research; København; Remote; DKK 812,000 - 1,218,000; Full time

Benefits offered by this job

25+ days PTO

Home office stipend

Wellbeing stipend

Professional development stipend

Pension/401(k)

Life insurance

Premium healthcare

Competitive base salary

Lucrative bonus programs

Job summary

Asymmetric Research is seeking a Security Engineer to review and harden leading blockchain protocols and DeFi projects. You will work remotely with a team of web3 security experts, providing design feedback, manual analysis, and automated tooling to detect vulnerabilities.

The role emphasizes collaboration with clients and core contributors, conducting security audits, and shepherding external audits. You will operate in an open-source, confidentiality-driven environment focused on long-term

Qualifications

• Ability to quickly absorb new information and understand complex systems.
• Experience with code reviews, fuzzing, and reverse engineering.
• Willingness to learn Rust, Go, or C in web3 contexts.
• Nice-to-have: high bug bounty rankings or CTF performance.

Responsibilities

• Design and implement security controls for blockchain protocols and web3 projects.
• Perform advanced security research on popular blockchains and smart contracts.
• Develop tooling and workflows to detect vulnerabilities early.
• Collaborate with core contributors to conduct internal security audits.
• Manage external security audits with top-tier firms.
• Oversee bug bounty programs on Immunefi—leading, monitoring, triaging submissions.
• Work in a decentralized team of web3 professionals.
• Clearly communicate security risks, findings, and proposed solutions.
• Uphold the highest standards of integrity, trust, and professionalism.

Skills

Code reviews

Reverse engineering

Fuzzing

Binary exploitation

Rust

Golang

C

Bug bounty

Job description

Listed on CyberJobs.cc, a job board for cybersecurity jobs from the team behind AITraining.jobs.

Asymmetric Research

Asymmetric Research is a specialized security firm focused on long-term, integrated partnerships with L1/L2 blockchains and DeFi protocols. We help teams build resilient systems, strengthen security posture, and proactively address emerging threats.

About The Role

We are seeking a Security Engineer to review and secure leading blockchain protocols and web3 projects. You will partner with clients to harden their products through design feedback, deep manual analysis, and automated tooling (fuzzing, static analysis).

Culture

AR is a fully remote organization and members of our team have been strongly committed to open-source values for decades, having worked at organizations with deep open-source roots and strong security programs including Google, Netflix, Mozilla, Stripe, and Jump Crypto. We pride ourselves on maintaining the highest levels of confidentiality, trust, and professionalism.

Responsibilities

• Design and implement security and defense-in-depth controls to prevent and limit vulnerabilities.
• Perform cutting-edge security research in popular blockchains and smart contract platforms.
• Develop security tooling and developer workflows to aid in the early detection of vulnerabilities.
• Collaborate with core contributors to conduct internal security audits.
• Shepherd external security audits with the help of leading third-party audit firms.
• Operate bug bounty programs on Immunefi, including leading, monitoring, and triaging submissions.
• Work in a diverse, decentralized team environment with web3 professionals.
• Clearly communicate security risks, findings, and proposed solutions.
• Adhere to the highest standards of integrity, trust, and professionalism.

Requirements

• Strong desire to understand how things work, with the ability to quickly absorb new information.
• Prior experience with code reviews, reverse engineering, fuzzing and/or binary exploitation.
• Willingness and aptitude to learn different web3 technology stacks written in Rust, Golang or C.
• Prior high ranking on bug bounty leaderboards, code audit contests, or CTF competitions. [Nice to have]

Benefits

• 25+ days of paid time off
• Comprehensive stipends for home office, wellbeing, professional development, and more
• Pension/401(k) programs
• Life insurance
• Premium healthcare
• Competitive base salary
• Lucrative bonus programs