Jobgether
Blockchain Security Researcher
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Job Opportunity: Blockchain Security Researcher
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Blockchain Security Researcher based in United Kingdom.
Join a security-focused research team protecting some of the most important protocols and financial systems in the blockchain ecosystem.
- Investigate smart contracts
- Identify vulnerabilities
- Help clients strengthen their systems before and after launch
The role spans the full protocol lifecycle, from architecture and design reviews to deep audits and ongoing security coverage.
You will work extensively with Solidity, Ethereum, and the EVM while exploring emerging attack vectors and novel blockchain technologies.
AI will be a central part of your workflow, helping you expand audit coverage, analyze complex systems, and develop more efficient security processes.
You will also have opportunities to conduct independent research, develop security tooling, and contribute knowledge to the broader ecosystem.
This is an opportunity to combine practical security engineering, blockchain research, and collaborative problem-solving in a highly technical environment.
Accountabilities
- Review smart contracts for decentralized applications, blockchain infrastructure, and financial institutions, identifying vulnerabilities, assessing their severity, and clearly presenting findings to clients.
- Lead security audits independently from planning through final delivery, using AI as a primary collaborator and partnering with other researchers when additional attack perspectives are valuable.
- Participate in protocol design reviews, analyzing architecture, trust assumptions, security models, and operational constraints before implementation begins.
- Collaborate directly with protocol engineering teams on co-creative engagements involving research, mechanism design, specification, and smart contract development.
- Design and develop smart contracts as part of research and client engagements, applying strong security and engineering principles throughout the development lifecycle.
- Integrate AI effectively into audit workflows and develop reusable skills, agents, prompts, scripts, and processes that improve team productivity and security coverage.
- Conduct open-ended research into emerging blockchain technologies, vulnerability classes, attack vectors, and novel security mechanisms.
- Document research findings and contribute insights to internal security knowledge bases and the broader blockchain security ecosystem.
- Work closely with clients and fellow researchers to communicate technical risks, security recommendations, and complex findings clearly and effectively.
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Requirements
- Hands-on practical experience in one or more relevant areas, including software development, cybersecurity, applied mathematics, distributed systems, cryptography, cryptoeconomics, game theory, or DeFi mechanisms.
- Proven experience designing and developing smart contracts, in addition to auditing or reviewing them.
- Strong working knowledge of Solidity and the Ethereum/EVM ecosystem, including common libraries, frameworks, and smart contract design patterns.
- Extensive experience using modern AI tooling as part of daily technical work to expand audit coverage, reason through complex systems, and accelerate high-quality security analysis.
- Ability to critically evaluate AI-generated code and outputs rather than relying on them without technical validation.
- Experience building and extending personal or team tooling, including AI skills, agents, prompts, scripts, or complete security workflows.
- Advanced English proficiency with strong written and verbal communication skills.
- Experience with non-EVM ecosystems or blockchain technologies such as Canton, Move, Cosmos SDK/Golang, Cairo, Rust-based blockchains, or zero-knowledge circuits is a plus.
- Experience with crypto risk assessment, smart contract risk analysis, or threat modeling is highly desirable.
- Web2 security experience in areas such as penetration testing, web application security, infrastructure security, or application security is an advantage.
- Knowledge of formal verification, invariant testing, or advanced fuzzing tools such as Echidna, Foundry, Halmos, or Certora is beneficial.
- Experience participating in audit contests or bug bounty platforms, including Code4rena, Sherlock, Cantina, Immunefi, or HackerOne, is a plus.
- A track record of publicly sharing security research through published findings, technical articles, conference presentations, or open-source security tooling is advantageous.
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Benefits
- Fully remote work environment with flexibility across locations.
- Opportunities to meet teammates through company gatherings around the world.
- Flexible time off to support sustainable work and personal needs.
- 8 weeks of paid leave for primary caregivers.
- 4 weeks of paid leave for secondary caregivers.
- One-time $3,600 baby bonus.
- Up to $500 in equipment support to build an ideal home office.
- Medical insurance coverage.
- Learning and development opportunities to support continued professional growth.
- Monthly stipend for a preferred co-working space.
How Jobgether Works
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
We appreciate your interest and wish you the best!
Why Apply Through Jobgether?
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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