3 Crypto & Blockchain jobs in Ireland
Senior Blockchain Security Engineer, Offensive Security

Posted 13 days ago
Job Viewed
Job Description
At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system.
To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company's hardest problems.
Our is intense and isn't for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there's no better place to be.
While many roles at Coinbase are remote-first, we are not remote-only. In-person participation is required throughout the year. Team and company-wide offsites are held multiple times annually to foster collaboration, connection, and alignment. Attendance is expected and fully supported.
Onchain is the new online. We want to bring 1B+ people onchain in the most secure way possible. We want to provide them secure platforms and tools to build and interact with exciting applications.
The Protocol Security team ensures the security of all onchain development at Coinbase. We partner closely with product teams to make sure that our users can safely and confidently engage with the onchain world.
*What you'll be doing (ie. job duties):*
* Perform threat modeling and security assessments of blockchain products and services.
* Propose, plan, and execute Red Team operations based on realistic threats.
* Write detailed reports covering the goals and outcomes of Red Team operations, including significant observations and recommendations.
* Collaborate with partner teams to improve detection and response capabilities.
* Provide expert technical guidance to the team in building new security frameworks and analysis tools.
* Stay informed on current security trends, advisories, publications, and academic research.
*What we look for in you (ie. job requirements):*
* Bachelor's or Master's degree in Computer Science, Cyber security, Software Engineering, or a related field.
* 3+ years of blockchain security experience is required.
* 3+ years of Red Team experience, with a track record of breaking complex systems using novel techniques.
* A track record of identifying critical vulnerabilities across the blockchain protocol stack, in both onchain and offchain components.
* Extensive knowledge of the blockchain ecosystem, including the inner workings of L1 and L2 networks, DeFi protocols, native staking, etc.
* Expertise in designing robust security countermeasures to prevent known and anticipated vulnerabilities.
* Energy and self-drive for continuous learning as crypto is a constantly and rapidly changing space.
* Excellence in clear, direct, and kind communication with technical and non-technical stakeholders.
* Experience in building relationships with product, engineering, and other security teams.
*Nice to haves:*
* Participation in computer security competitions (CTFs), Bug Bounty programs, open source security research, CVE analysis.
* Expertise in one or more of: Application Security, Network Security, Cloud Security.
* 1+ years of Software Engineering experience.
ID: G2702
*Pay Transparency Notice: *The target annual salary for this position can range as detailed below. Full time offers from Coinbase also include target bonus + target equity + benefits (including medical, dental, and vision).
Pay Range:
106.100-106.100 EUR
Please be advised that each candidate may submit a maximum of four applications within any 30-day period. We encourage you to carefully evaluate how your skills and interests align with Coinbase's roles before applying.
Commitment to Equal Opportunity
Coinbase is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may view the in certain locations, as required by law.
Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations Data Privacy Notice for Job Candidates and Applicants
Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available Disclosure
For select roles, Coinbase is piloting an AI tool based on machine learning technologies to conduct initial screening interviews to qualified applicants. The tool simulates realistic interview scenarios and engages in dynamic conversation. A human recruiter will review your interview responses, provided in the form of a voice recording and/or transcript, to assess them against the qualifications and characteristics outlined in the job description.
For select roles, Coinbase is also piloting an AI interview intelligence platform to transcribe and summarize interview notes, allowing our interviewers to fully focus on you as the candidate.
*The above pilots are for testing purposes and Coinbase will not use AI to make decisions impacting employment*. To request a reasonable accommodation due to disability, please contact mailto:
Senior Blockchain Security Engineer

Posted 13 days ago
Job Viewed
Job Description
At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system.
To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company's hardest problems.
Our is intense and isn't for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there's no better place to be.
While many roles at Coinbase are remote-first, we are not remote-only. In-person participation is required throughout the year. Team and company-wide offsites are held multiple times annually to foster collaboration, connection, and alignment. Attendance is expected and fully supported.
Onchain is the new online. We want to bring 1B+ people onchain in the most secure way possible. We want to provide them secure platforms and tools to build and interact with exciting applications.
Protocol Security ensures the security of all onchain development at Coinbase. We partner closely with product teams to make sure that our users can safely and confidently engage with the onchain world.
*What you'll be doing (ie. job duties):***
* Develop onchain security strategies and perform security assessments and threat modeling of various blockchain protocols.
* Lead from the front, be proactive and thorough, and identify top onchain security risks and develop strategies to deal with them.
* Provide expert technical guidance to the team in building new frameworks, analysis tools, and security products.
* Lead the way in establishing best practices and engage with product and eng teams to get them adopted.
* Coach and mentor Protocol Security team members to build new skills and be crypto-forward.
* Guide Protocol Security to the cutting-edge of security technologies for blockchain protocols and help set standards for the rest of the industry to follow.
*What we look for in you (ie. job requirements):*
* You have extensive knowledge of onchain ecosystems, including the inner workings of L1 and L2 networks, DeFi protocols, staking, etc.
* You excel in identifying machine-level, transaction-level, and business logic-level vulnerabilities in smart contracts and protocol infrastructure.
* You have 3+ years of smart contract auditing experience and have led the audit of several complex protocols.
* You have an energy and self-drive for continuous learning as crypto is a constantly and rapidly changing space.
* You are passionate about mentoring and growing blockchain security engineers, as well as willing to learn from your team.
* You excel in clear, direct, and kind communication with technical and non-technical stakeholders.
* You have experience building relationships with security, product, and engineering teams.
* You balance long term strategic thinking with short term tactical planning.
ID: G2696
*Pay Transparency Notice: *The target annual salary for this position can range as detailed below. Full time offers from Coinbase also include target bonus + target equity + benefits (including medical, dental, and vision).
Pay Range:
132.900-132.900 EUR
Please be advised that each candidate may submit a maximum of four applications within any 30-day period. We encourage you to carefully evaluate how your skills and interests align with Coinbase's roles before applying.
Commitment to Equal Opportunity
Coinbase is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may view the in certain locations, as required by law.
Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations Data Privacy Notice for Job Candidates and Applicants
Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available Disclosure
For select roles, Coinbase is piloting an AI tool based on machine learning technologies to conduct initial screening interviews to qualified applicants. The tool simulates realistic interview scenarios and engages in dynamic conversation. A human recruiter will review your interview responses, provided in the form of a voice recording and/or transcript, to assess them against the qualifications and characteristics outlined in the job description.
For select roles, Coinbase is also piloting an AI interview intelligence platform to transcribe and summarize interview notes, allowing our interviewers to fully focus on you as the candidate.
*The above pilots are for testing purposes and Coinbase will not use AI to make decisions impacting employment*. To request a reasonable accommodation due to disability, please contact mailto:
Blockchain Integration Specialist (Fully Remote, Worldwide)
Posted 20 days ago
Job Viewed
Job Description
Inspired by Bitcoin's vision of financial freedom, we are committed to empowering individuals to transact and connect seamlessly across the globe. From the early days of the Bitcoin revolution, our mission has been to champion freedom through innovative, reliable, and accessible technology—ensuring that everyone, everywhere, has the tools to participate in a truly open and borderless world.
We are driven by a relentless pursuit of innovation and financial empowerment. By prioritizing education and delivering a cutting-edge platform, we enable users to seamlessly buy, hold, and trade digital assets with confidence. As the digital asset landscape rapidly evolves, we stay ahead—offering state-of-the-art trading services that empower both individuals and global liquidity providers. Our forward-thinking, agile approach ensures that financial freedom is not just a vision, but a reality for all.
Our team, composed of visionary individuals with practical expertise, focuses on crafting solutions to the market's toughest challenges. Despite our global presence and impact, we maintain a small, technology-focused core, fostering a culture of collaboration and innovation.
We value integrity and autonomy, empowering our team to contribute from concept to launch. Driven by a passion for lifelong learning and a commitment to advancing freedom, we prioritize high-caliber products and services, with a proven track record of innovation that draws on the dexterity of our teams.
Why Join Us?Innovation
At Bitfinex, we merge technology and skill to create an environment where your involvement isn’t just appreciated—it’s pioneering the future and pushing boundaries in finance. Our culture values bold creativity, a passion for technology, and a deep belief in Financial Freedom.
Flexibility & Global Reach
We believe in trust, autonomy, and results—our team operates remotely, ensuring you work from anywhere while collaborating with some of the best talents across the world. We thrive on innovation, autonomy, and breaking new ground.
Fast-Paced & Impactful
Much like the crypto industry itself, our projects move fast, break new ground, and make an impact. Your contributions reach our global audience, shaping the narrative of a decentralized future.
A Team that Thrives on Collaboration
We blend seasoned experts with fresh creative minds, ensuring constant innovation, mentorship, and a dynamic work environment that keeps you at the forefront of achieving your goals. We see integrity and standing up for what is right as the most important qualities.
Grow with the Best
At Bitfinex, we’re committed to continuous learning—whether through technological advancements, creative workshops, or mentorship from leading professionals in the industry.
If you’re excited about partaking in shaping the narrative of decentralized finance, you’ll feel right at home
We’re looking for: Blockchain Integration Specialist
Your Day-to-Day:Build, improve and maintain clusters of blockchain daemons/consensus nodes in a scalable and highly redundant way
Develop Node/JS workers, in Bitfinex’s microservices infrastructure, that interface with blockchain nodes API (REST/Websocket) interfaces
Implement robust monitoring tools to control the stability of Bitfinex’s blockchain infrastructure
Create good quality policies, procedures and technical documentation
Previous experience in interacting with blockchain nodes (ie. Bitcoin, Ethereum)
Strong passion for Bitcoin and other cryptocurrencies
Advanced Node/JavaScript skills
Familiar with microservices architecture and REST APIs
Ability to quickly learn new technologies
Advanced understanding of security practices
Solidity, Rust or Golang skills are a plus
Other technologies of interest: Message queues (Redis), Caches and Job Queues
Flexible Work & Remote-Friendly Culture
Mentorship & Growth
Competitive Pay
Career Development Opportunities
Supportive Team Environment
Learning & Knowledge Sharing
Team-Building Activities
Social activities (online & in-person)
Ready to join us in bringing Financial Freedom to all?
If you’re a visionary who thrives at the intersection of technology, knowledge and innovation, we want to hear from you!
Recruitment Data & Security Disclaimer
As part of the hiring process at Bitfinex, we collect personal data such as your name, contact details, location, job preferences, education and employment history, and other information you voluntarily provide. This data is used solely for recruitment purposes, processed in accordance with applicable global data protection laws, including the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA), and retained only for as long as necessary to fulfil its purpose.
All assessments and recruitment-related communications are conducted exclusively through official Bitfinex email addresses (e.g., ). Bitfinex does not use unofficial channels (such as WhatsApp, Telegram, or SMS) for recruitment communication and does not distribute assessments or sensitive links via those means.
Bitfinex will never request payment, financial information, or personal banking details at any stage of the recruitment process. If you receive a request of this nature, please report it immediately to: .
As part of our secure and compliant recruitment process, we may use approved third-party platforms to facilitate candidate assessments. For more information, please refer to our Candidate Privacy Notice and Interview Recording Consent .
Candidates have the right to access, correct, or delete their personal data and to withdraw consent at any time, where applicable. To exercise these rights or for further inquiries, contact .
Equal Opportunity Statement
At Bitfinex, we're committed to equitable opportunities. We do not discriminate based on race, religion, gender, age, disability, sexual orientation, gender identity, or any other protected status. This commitment applies across all stages of recruitment and contractual relationships.
Be The First To Know
About the latest Crypto blockchain Jobs in Ireland !