Latest Blockchain Security Engineer Jobs

Infrastructure Security Engineer

This role involves designing and implementing security controls, automation, and monitoring systems across cloud and infrastructure environments to protect a high-scale crypto platform. The engineer will work closely with SRE and development teams to integrate security into CI/CD pipelines, enforce secure configurations, and respond to incidents. The position emphasizes proactive threat detection, tooling development, and influencing secure architecture at scale.

Blockchain.com London, United Kingdom

Hybrid Permanent

Security Engineer, Institutional Trading

This role involves securing off-chain trading systems and operational workflows for a major crypto company. The engineer will conduct risk assessments, improve detection of anomalies in trading activity, manage key and secrets hygiene, and act as a security liaison for institutional teams. The focus is on operational resilience, third-party integrations, and aligning controls with financial standards like CCSS and DORA.

Blockchain.com London, United Kingdom

On-site Permanent

Staff Security Engineer, Product Security

This role involves leading product security for a SaaS platform used in blockchain and financial crime investigation. The engineer will conduct threat modeling, security reviews, and penetration testing, with a focus on securing AI tooling and coding agents. Responsibilities include driving compliance efforts, managing vulnerability disclosure, and contributing code fixes directly into product repositories.

Chainalysis United Kingdom

Remote Permanent

Senior Security Engineer

This role involves designing and implementing security controls across identity, cloud, and infrastructure platforms to protect Copper's digital asset systems. The engineer will lead IAM solutions, automate security workflows, conduct vulnerability management, and ensure compliance with standards like SOC2 and ISO27001. The position is technical and proactive, focusing on hardening systems, integrating security tooling, and advising teams on secure architecture within a fast-paced fintech environment.

Copper London, United Kingdom

Hybrid Permanent

Staff Security Architect

This role involves designing, reviewing, and validating secure system architectures across a diverse technology stack, including blockchain, AI, and Rust-based systems. The candidate will conduct in-depth security assessments, advise engineering teams, and stay ahead of emerging threats in the crypto and web3 space. Work is highly technical and collaborative, with deep engagement across product and infrastructure teams.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Senior Software Engineer, Blockchain Protocols

Design and maintain scalable systems for processing blockchain data across multiple protocols, ensuring high-quality datasets for investigation and compliance tools. Leverage AI-native development workflows to accelerate delivery and improve code quality. Provide technical leadership and mentorship while working closely with product teams to evolve data pipelines in a fast-moving environment.

Chainalysis United Kingdom

Remote Permanent

Senior QA Engineer (Financial Apps)

This role involves end-to-end quality ownership for financial applications in the digital asset space, with a focus on transitioning from manual to automation-first testing. The engineer will use AI tools to accelerate test coverage, debug through logs and monitoring systems, and collaborate closely with product teams to improve system reliability. Work spans both frontend and backend, particularly around blockchain transactions, staking, and Web3 integrations.

Fireblocks United Kingdom

Remote Permanent

Senior Software Engineer – AI Infrastructure

Design and build high-performance Rust services for AI agent infrastructure, focusing on scalable model inference, orchestration, and execution. Develop reliable MLOps patterns with strong observability and failure handling in a production-critical, high-scale environment. Collaborate with agent systems and infrastructure teams to harden prototypes into robust systems serving millions of users.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Sales Engineer, Banking

This role involves leading the technical sales cycle for banking clients across Western and Central Europe, focusing on digital asset integration within institutional infrastructure. The Sales Engineer will conduct technical discovery, design and deliver proofs of concept, respond to RFPs, and translate complex banking requirements—such as custody, settlement, and compliance—into secure, scalable Fireblocks solutions. Engagement spans technical teams, CISOs, and executive stakeholders in Tier 1 and Tier 2 banks, requiring deep understanding of core banking systems, financial messaging standards, and regulatory frameworks.

Fireblocks United Kingdom €80,000 – €110,000 pa

Hybrid Permanent

Lead DevOps Engineer

Lead a growing DevOps team to build and evolve a secure, scalable Kubernetes-based internal developer platform. Drive automation, GitOps, and platform engineering strategy while integrating advanced practices like zero trust, policy-as-code, and AI-driven observability across multi-region clusters.

Elliptic London, United Kingdom, United Kingdom

Hybrid Permanent

Cloud Infrastructure Engineer

This role involves managing and securing cloud infrastructure, with a focus on automation, IaC (Terraform/Bicep), and endpoint management. The engineer will lead systems integration, support incident response, and mentor junior team members within a technology operations environment. Key responsibilities include designing cloud environments, implementing secure access solutions, and collaborating with DevOps on strategic initiatives.

Copper London, United Kingdom

On-site Permanent

Senior Software Engineer, Custody Services

This role involves building and maintaining secure, scalable infrastructure for cryptocurrency custody and transaction processing. The engineer will work on blockchain node operations, wallet and key management, third-party integrations, and containerized deployments using Kubernetes and AWS. Emphasis is placed on security, automation, monitoring, and high availability of systems handling billions in digital assets.

Robinhood London, United Kingdom

Senior Developer (Fully

The opportunity As a Senior C++ Developer, you won’t be maintaining legacy code or adding features at the edges. You have the option to work fully remote or partically remote with access to the clients offices. You’ll be designing and...

Edison Hill Search London, United Kingdom

Remote

Solutions Consultant - San Francisco

This role involves leading product demonstrations and proof-of-concept engagements for Elliptic’s blockchain analytics platform, tailored to compliance and risk teams at crypto and financial institutions. The consultant will translate technical capabilities into commercial value, support enterprise integrations, and collaborate with sales, product, and research teams to refine customer-facing messaging and solutions. Success requires deep understanding of AML, sanctions compliance, and customer workflow mapping in the crypto regulatory landscape.

Elliptic United Kingdom

Hybrid Permanent

Solutions Engineer II, Exchanges & Liquidity

Design and implement technical solutions for exchanges and liquidity providers using Circle's blockchain and stablecoin infrastructure. Lead technical discovery, solution architecture, and proof-of-concepts while collaborating with sales, product, and engineering teams. Contribute to product strategy through client feedback and support global technical engagements.

Circle London, United Kingdom