Blockchain Security Engineer Jobs

Application Support Engineer — Blockchain Security & AI Automation

From $100/yr

At Crypto.com, our dedication to user security is led by our highly experienced Security Team. Comprising an international roster of seasoned cybersecurity experts, our team leads the company's Security, Privacy, and Security Compliance endeavors. The team includes holders of international patents for technologies integrated in our security architecture. Under the stewardship of a distinguished CISO recognized by the Forbes Technology Council and among the Global Top 100 CISOs, our team has consistently championed industry standards, acquiring certifications like ISO27001, ISO27701, ISO22301, PCI:DSS 3.2.1 (Level 1), NIST Tier 4, and SOC 2 Type II, in addition to the MPI License from Singapore MAS. Our Chief Information Security Officer reports directly to the CEO, underscoring the prioritization of security in our organization's hierarchy. Our Security Team not only places great emphasis on credentials and expertise but also deeply values hands-on experience, rapid cognition, and dynamic learning. The challenges in the world of crypto are ever-evolving, and as such, our team prides itself on quick adaptability and robust teamwork, ensuring that we stay ahead of potential threats and always safeguard our user base. About the team/project: The blockchain security team is utilizing core Blockchain technologies, smart contracts and other building blocks that allow us to create unique digital asset interfaces for our users. They specialise in secure development, confidential computing technology and advanced cryptographic techniques. It is a unique opportunity to work on the future of this exciting industry. Key Responsibilities: Production Excellence \& Stability * Guardian of Uptime: Take primary responsibility for ensuring the stability and availability of our production applications and blockchain infrastructure * Environment Management: Oversee pre-production and staging environments to ensure seamless delivery * Incident \& Problem Management: Lead the triage of application alerts, conduct deep-dive root cause analysis (RCA), and manage post-resolution follow-ups to ensure issues never resurface * Disaster Recovery: Coordinate DR testing, audits, and continuous improvement of monitoring tools and processes AI \& Automation Innovation * Support Transformation: Apply hands-on AI experience to build tools and agents that automate repetitive support tasks, triage, and reporting Technical (Web 3 and Blockchain) Research * Proactively keeping abreast with updates on supported blockchains and DApps and demonstrating a sharp ability to technically deconstruct new blockchains or DApps as required to evaluate their impact of supportability on our product Requirements: * "Support Nature" mentality with an innate drive to investigate the deep root cause of issues and a perfectionist’s streak regarding system stability * Past job experiences in supporting applications * Hands-on experience in using AI/LLMs to automate workflows, or infrastructure monitoring * Strong communication to bridge between end-users and the engineering team such as ability to distill complex application/blockchain/DApps issues into clear, empathetic updates for users, while simultaneously delivering root-cause data to engineers to expedite fixes * Degree in Computer Science or Engineering or Information Technology or similar discipline * Knowledge in programming languages such as Rust or Python or Node.js or Golang Nice to Have: * Blockchain/Web3 technical depth with hands-on experience writing/deploying DApps in Solana or EVM. Practical experience with staking across blockchains Life @ Crypto.com Empowered to think big. Try new opportunities while working with a talented, ambitious and supportive team. Transformational and proactive working environment. Elevate employees to find thoughtful and innovative solutions. Growth from within. We help to develop new skill-sets that would impact the shaping of your personal and professional growth. Work Culture. Our colleagues are some of the best in the industry; we are all here to help and support one another. One cohesive team. Engage stakeholders to achieve our ultimate goal - Cryptocurrency in every wallet. Are you ready to kickstart your future with us? Benefits Competitive salary Medical insurance package with extended coverage to dependents Attractive annual leave entitlement including: birthday, work anniversary Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-up Aspire career alternatives through us. Our internal mobility program can offer employees a diverse scope. Work Perks: crypto.com visa card provided upon joining Our Crypto.com benefits packages vary depending on region requirements, you can learn more from our talent acquisition team. About Crypto.com : Founded in 2016, Crypto.com serves more than 80 million customers and is the world's fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet™. Built on a foundation of security, privacy, and compliance, Crypto.com is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem. Learn more at https://crypto.com . Crypto.com is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way. Crypto.com values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team. Personal data provided by applicants will be used for recruitment purposes only. Please note that only shortlisted candidates will be contacted. We may use artificial intelligence tools to analyze the content of your Resume/CV against the specific requirements for the position. The purpose is to support our recruitment team in reviewing applications more effectively. These tools assist our recruitment team in their evaluation of your application by providing recommendations, but they do not replace human judgment. Final hiring decisions are ultimately made by humans who consider the insights generated by the tools along with other relevant information. If you would like more details about how your personal information is processed, please contact us.

Blockchain Security Engineer

About ABFinance ABFinance is a US-based firm building and enabling digital finance for the future. Their vision is to create a full financial ecosystem where digital assets, traditional finance, and everyday money management live in one seamless experience, made available to everyone. Founded by a team of innovators, traders, and compliance professionals, ABFinance's mission is to bring the emerging world of digital assets to everyone. Their flagship product is a secure, regulated crypto exchange building trading tools for both retail and institutional clients—including spot trading and yield generation products with a focus on compliance and security. Job Responsibility * Design, implement, and maintain security solution and architectures for Web3 protocols (e.g., blockchain, smart contracts) and cryptocurrency wallets (custodial/non-custodial). * Conduct security assessments, penetration testing, and vulnerability audits of Web3 infrastructure, smart contracts (Solidity/Vyper), and wallet applications (web/mobile/desktop). * Collaborate with blockchain developers to integrate secure coding practices and implement encryption standards for asset protection. * Respond to security incidents related to Web3 ecosystems, including forensic analysis and post-incident remediation. * Research emerging Web3 security threats, zero-day vulnerabilities, and industry best practices to enhance defense mechanisms. Job Requirements * Proficiency in Web3 technologies: blockchain fundamentals (Ethereum, Solana, etc.), smart contract development (Solidity), and wallet infrastructure (BIP-39, BIP-44, MetaMask SDK). * Strong background in application security, with experience in penetration testing (OWASP Top 10, Web3-specific vulnerabilities). * Knowledge of cryptography: public/private key management, hash functions, digital signatures, and secure multi-party computation (SMPC). * Experience with secure coding practices for Web3 applications and cross-chain interoperability security. * Excellent problem-solving skills and ability to work in fast-paced, decentralized environments. * Bachelor’s degree in Computer Science, Cybersecurity, or related field Job Type: Full-time Benefits: * Employee assistance program * Flexible schedule * Parental leave Work Location: Remote

Senior Security Engineer, Blockchain

$187,000 - $220,000/yr

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial s

Blockchain Security Engineer - (Solidity / Rust / Golang)

From $102,000/yr

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 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. 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.

Blockchain Security Engineer - Senior Level (Solidity / Rust / Golang )

From $102,000/yr

About the Role: We are seeking a Senior Blockchain Security Engineer with a strong security mindset and deep technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. You will play a critical role in safeguarding Web3 projects by auditing code, building security tools, and driving research. If you have hands-on experience in Web3 and are passionate about advancing the security of 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. * Work closely with external blockchain teams to enhance the security of their products by providing expert security consultation and implementing remediation strategies. * Conduct independent security research, explore new attack vectors, and deliver actionable insights. * Design, develop, and maintain internal security tools and frameworks to strengthen our security services. * Continuously improve internal processes, methodologies, and service offerings while ensuring high client satisfaction and long-term partnerships. Requirements * Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security. * Minimum 3 years of professional experience as a Software Engineer, Security Engineer, or in a related role. * At least 2 years of hands-on experience with blockchain technologies, including: Smart contracts (EVM chains, Solana, Move, etc.), Blockchain protocols (nodes, SDKs, Cosmos, etc.) * Strong expertise 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. 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. Investors \= Insight Partners, Sequoia, Tiger Global, Coatue Management, Lightspeed, Advent International, SoftBank, Hillhouse Capital, Goldman Sachs, Shunwei Capital, IDG Capital, Wing, Legend Star, Danhua Capital and other investors. About You You’re a self-starter. You believe in tackling the most important problems, even if they are the most difficult problems. You’re comfortable with the unknown and understand that startup life means that you’re going to be wearing multiple hats. And that’s what motivates you. You’re accountable and obsessed with improvement, both in yourself and in others. You’re up to the challenge of building a world-class company that aims to be the infrastructure for more secure software for all. 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. 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.

Senior Security Engineer, Blockchain

$187,000 - $220,000/yr

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial s

Senior Security Engineer, Blockchain

$187,000 - $220,000/yr

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial s

Blockchain Security Engineer

About ABFinance ABFinance is a US-based firm building and enabling digital finance for the future. Their vision is to create a full financial ecosystem where digital assets, traditional finance, and everyday money management live in one seamless experience, made available to everyone. Founded by a team of innovators, traders, and compliance professionals, ABFinance's mission is to bring the emerging world of digital assets to everyone. Their flagship product is a secure, regulated crypto exchange building trading tools for both retail and institutional clients—including spot trading and yield generation products with a focus on compliance and security. Job Responsibility Design, implement, and maintain security solution and architectures for Web3 protocols (e.g., blockchain, smart contracts) and cryptocurrency wallets (custodial/non-custodial). Conduct security assessments, penetration testing, and vulnerability audits of Web3 infrastructure, smart contracts (Solidity/Vyper), and wallet applications (web/mobile/desktop). Collaborate with blockchain developers to integrate secure coding practices and implement encryption standards for asset protection. Respond to security incidents related to Web3 ecosystems, including forensic analysis and post-incident remediation. Research emerging Web3 security threats, zero-day vulnerabilities, and industry best practices to enhance defense mechanisms. Job Requirements Proficiency in Web3 technologies: blockchain fundamentals (Ethereum, Solana, etc.), smart contract development (Solidity), and wallet infrastructure (BIP-39, BIP-44, MetaMask SDK). Strong background in application security, with experience in penetration testing (OWASP Top 10, Web3-specific vulnerabilities). Knowledge of cryptography: public/private key management, hash functions, digital signatures, and secure multi-party computation (SMPC). Experience with secure coding practices for Web3 applications and cross-chain interoperability security. Excellent problem-solving skills and ability to work in fast-paced, decentralized environments. Bachelor’s degree in Computer Science, Cybersecurity, or related field Job Type: Full-time Benefits: Employee assistance program Flexible schedule Parental leave Work Location: Remote

Blockchain Security Engineer - (Solidity / Rust / Golang)

From $102,000/yr

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 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. 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.

Blockchain Security Engineer - Senior Level (Solidity / Rust / Golang )

From $102,000/yr

About the Role: We are seeking a Senior Blockchain Security Engineer with a strong security mindset and deep technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. You will play a critical role in safeguarding Web3 projects by auditing code, building security tools, and driving research. If you have hands-on experience in Web3 and are passionate about advancing the security of 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. Work closely with external blockchain teams to enhance the security of their products by providing expert security consultation and implementing remediation strategies. Conduct independent security research, explore new attack vectors, and deliver actionable insights. Design, develop, and maintain internal security tools and frameworks to strengthen our security services. Continuously improve internal processes, methodologies, and service offerings while ensuring high client satisfaction and long-term partnerships. ### Requirements Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security. Minimum 3 years of professional experience as a Software Engineer, Security Engineer, or in a related role. At least 2 years of hands-on experience with blockchain technologies, including: Smart contracts (EVM chains, Solana, Move, etc.), Blockchain protocols (nodes, SDKs, Cosmos, etc.) Strong expertise 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. 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. Investors \= Insight Partners, Sequoia, Tiger Global, Coatue Management, Lightspeed, Advent International, SoftBank, Hillhouse Capital, Goldman Sachs, Shunwei Capital, IDG Capital, Wing, Legend Star, Danhua Capital and other investors. About You You’re a self-starter. You believe in tackling the most important problems, even if they are the most difficult problems. You’re comfortable with the unknown and understand that startup life means that you’re going to be wearing multiple hats. And that’s what motivates you. You’re accountable and obsessed with improvement, both in yourself and in others. You’re up to the challenge of building a world-class company that aims to be the infrastructure for more secure software for all. 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. 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.

Senior Security Engineer, Blockchain

$187,000 - $220,000/yr

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial s

Blockchain Security Engineer

About ABFinance ABFinance is a US-based firm building and enabling digital finance for the future. Their vision is to create a full financial ecosystem where digital assets, traditional finance, and everyday money management live in one seamless experience, made available to everyone. Founded by a team of innovators, traders, and compliance professionals, ABFinance's mission is to bring the emerging world of digital assets to everyone. Their flagship product is a secure, regulated crypto exchange building trading tools for both retail and institutional clients—including spot trading and yield generation products with a focus on compliance and security. Job Responsibility Design, implement, and maintain security solution and architectures for Web3 protocols (e.g., blockchain, smart contracts) and cryptocurrency wallets (custodial/non-custodial). Conduct security assessments, penetration testing, and vulnerability audits of Web3 infrastructure, smart contracts (Solidity/Vyper), and wallet applications (web/mobile/desktop). Collaborate with blockchain developers to integrate secure coding practices and implement encryption standards for asset protection. Respond to security incidents related to Web3 ecosystems, including forensic analysis and post-incident remediation. Research emerging Web3 security threats, zero-day vulnerabilities, and industry best practices to enhance defense mechanisms. Job Requirements Proficiency in Web3 technologies: blockchain fundamentals (Ethereum, Solana, etc.), smart contract development (Solidity), and wallet infrastructure (BIP-39, BIP-44, MetaMask SDK). Strong background in application security, with experience in penetration testing (OWASP Top 10, Web3-specific vulnerabilities). Knowledge of cryptography: public/private key management, hash functions, digital signatures, and secure multi-party computation (SMPC). Experience with secure coding practices for Web3 applications and cross-chain interoperability security. Excellent problem-solving skills and ability to work in fast-paced, decentralized environments. Bachelor’s degree in Computer Science, Cybersecurity, or related field Job Type: Full-time Benefits: Employee assistance program Flexible schedule Parental leave Work Location: Remote

Senior Security Engineer, Blockchain

$187,000 - $220,000/yr

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial s

Blockchain Security Engineer - (Solidity / Rust / Golang)

Location type All On-site Hybrid Remote Location All APAC / Philippines / Remote / Dubai Dubai / Remote Europe / Remote India / Remote LATAM New York, New York New York, New York / Remote New York, NY / Seattle, WA / San Francisco Bay Area, CA / Remote South Korea South Korea / Remote US / Remote US / Silicon Valley Team All Blockchain Security Engineering Blockchain Security Engineering Business Development Business Development Business Development (International Team) Engineering Engineering Engineering - Frontend Engineering - Tools Product Product Management Other teams Internship Marketing Operations Work type All Full-time Internship Uncategorized Blockchain Security Engineering Blockchain Security Engineering Apply Blockchain Security Engineer - (Solidity / Rust / Golang) Remote — Full-time US / Remote Apply Blockchain Security Engineer - Senior Level (Solidity / Rust / Golang ) Remote — Full-time US / Remote Apply Blockchain Security Expert - AI Track Remote — Full-time US / Re

Senior Security Engineer, Blockchain

From $124/yr

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial s

Blockchain Security Engineer - (Solidity / Rust / Golang)

Location type All On-site Hybrid Remote Location All APAC / Philippines / Remote / Dubai Dubai / Remote Europe / Remote India / Remote LATAM New York, New York New York, New York / Remote New York, NY / Seattle, WA / San Francisco Bay Area, CA / Remote South Korea South Korea / Remote US / Remote US / Silicon Valley Team All Blockchain Security Engineering Blockchain Security Engineering Business Development Business Development Business Development (International Team) Engineering Engineering Engineering - Frontend Engineering - Tools Product Product Management Other teams Internship Marketing Operations Work type All Full-time Internship Uncategorized Blockchain Security Engineering Blockchain Security Engineering Apply Blockchain Security Engineer - (Solidity / Rust / Golang) Remote — Full-time US / Remote Apply Blockchain Security Engineer - Senior Level (Solidity / Rust / Golang ) Remote — Full-time US / Remote Apply Blockchain Security Expert - AI Track Remote — Full-time US / Re

Blockchain Security Engineer

Join a pioneering force in the decentralized future! Our client, a rapidly growing innovator in the Crypto & Blockchain space, is seeking a highly skilled and security-focused Blockchain Security Engineer to join their fully remote team. This role is critical in ensuring the integrity, security, and robustness of our client's blockchain platforms, smart contracts, and decentralized applications (dApps). You will be at the forefront of identifying and mitigating potential vulnerabilities, developing secure coding practices, and implementing cutting-edge security solutions within the blockchain ecosystem. Responsibilities: Conduct thorough security audits and code reviews for smart contracts (Solidity, etc.) and blockchain protocols. Identify, analyze, and remediate security vulnerabilities and potential threats across all blockchain-related infrastructure. Develop and implement security best practices for smart contract development and deployment. Design and implement security tools and frameworks for continuous monitoring and threat detection. Stay current with the latest security threats, attack vectors, and mitigation techniques in the blockchain and cryptocurrency landscape. Collaborate with development teams to integrate security considerations throughout the software development lifecycle. Contribute to the design and architecture of secure decentralized systems. Develop incident response plans and lead the response to security breaches. Educate internal teams on blockchain security principles and secure coding standards. Research and evaluate new security technologies relevant to the blockchain domain. Qualifications: Bachelor's or Master's degree in Computer Science, Cybersecurity, or a related field. Minimum of 5 years of experience in software engineering, with at least 2 years focused specifically on blockchain security. Deep understanding of blockchain technologies, consensus mechanisms, and smart contract development (e.g., Solidity, Rust, Go). Proven experience in identifying and mitigating common smart contract vulnerabilities (e.g., reentrancy, integer overflows). Proficiency in security analysis tools and techniques. Experience with penetration testing and vulnerability assessment. Strong understanding of cryptography principles and their application in blockchain. Excellent programming skills in languages relevant to blockchain development and security analysis. Ability to work independently and proactively in a remote, fast-paced environment. Strong analytical and problem-solving skills with a meticulous attention to detail. Excellent communication skills, able to articulate complex security concepts to both technical and non-technical audiences. This is a fully remote position offering the flexibility to work from anywhere. If you are passionate about securing the future of decentralized technologies, we encourage you to apply.