Latest Blockchain Security Engineer Jobs

Senior Product Security Engineer

This role involves leading the secure development lifecycle for Blockchain.com’s core products, with a focus on integrating security into design, automating safeguards, and managing security debt. The engineer will conduct threat modeling, lead code audits in Java/Kotlin and TypeScript, embed AI-driven security tools, and collaborate closely with product teams to harden critical financial systems. They will also define security standards, drive incident response support, and translate technical risks into business decisions through metrics and governance.

Blockchain.com London, United Kingdom

Hybrid Permanent

Site Reliability Engineer - Core

As a Site Reliability Engineer on the Core team, you will focus on improving the reliability, security, and scalability of Blockchain.com's distributed financial platform. You will develop and maintain tools to automate infrastructure tasks, enhance observability, and guide developer teams in delivering secure and efficient features.

Blockchain.com London, United Kingdom

Hybrid Permanent

Senior Software Engineer - C++ - Trading Technologies

As a Senior Software Engineer on the Trading Technologies sub-team, you will develop and maintain the core messaging transport layer of Kraken's trading infrastructure, focusing on ultra-low-latency and high-availability solutions. You will work on optimizing system performance, building Aeron Archive integrations, and collaborating with cross-functional teams to ensure secure and efficient trading systems.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Mobile Design Engineer

This role involves building and refining the Kraken mobile app's user interface, focusing on fluid and polished interactions. You will work closely with product designers to create seamless, high-performance experiences that enhance user trust in crypto transactions.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Principal Security Architect

The Principal Security Architect is a senior technical role responsible for setting the security architecture direction at Copper, a leading provider of institutional digital asset infrastructure. The role involves reviewing and approving major changes, providing architectural assurance, and leading the security of signing infrastructure and multi-chain integrations. The position requires a deep understanding of cryptographic principles and blockchain security.

Copper London, United Kingdom

On-site Permanent

Engineering Manager, Platform

This role involves leading a team of platform engineers to improve software delivery pipelines, developer tooling, and the integration of AI-assisted development. The manager will own the SDLC roadmap, build relationships with engineering leads, and establish key performance metrics to track improvements in deployment and release confidence.

Chainalysis United Kingdom

Remote Permanent

Product Manager

As a Product Manager at Elliptic, you will define and evolve the product roadmap for your area, working closely with engineering, design, and customers to translate complex challenges into elegant solutions. You'll stay ahead of the regulatory and technology landscape, ensuring Elliptic's products remain cutting-edge and address emerging threats in the crypto and financial sectors.

Elliptic London, United Kingdom, United Kingdom

Hybrid Permanent

Senior DevOps Engineer

As a Senior DevOps Engineer, you will lead the development and maintenance of resilient, secure, and efficient infrastructure for Elliptic's blockchain compliance platform. You will collaborate with a talented engineering team to implement DevOps best practices, drive continuous improvement, and ensure high performance and reliability across multiple cloud environments.

Elliptic London, United Kingdom, United Kingdom

Hybrid Permanent

Senior Business Analyst

The Senior Business Analyst at Copper.co will act as a bridge between business and IT teams, focusing on analysing complex processes, identifying improvement opportunities, and translating requirements into actionable insights. Key responsibilities include conducting gap analyses, gathering and documenting requirements, and ensuring compliance with regulatory standards and internal governance.

Copper.co London, United Kingdom

On-site Permanent

Data Engineer

Design and maintain scalable data pipelines for a blockchain-based trading platform, focusing on protocol parameter management, risk controls, and data reliability through automation and CI/CD. Build monitoring, alerting, and testing frameworks to support protocol changes in a production-grade environment.

Plexus Ec1A1Bb, EC1A 1BB, United Kingdom £100,000 – £180,000 pa

Remote Permanent

General Manager, Licensed Payments Services

The General Manager will lead the buildout and scaling of Fireblocks Payment Services, a licensed payments entity focused on stablecoin and crypto-payments. Key responsibilities include developing the go-to-market strategy, driving the product roadmap, and coordinating cross-functional teams to deliver a secure and compliant payments platform for enterprise clients.

Fireblocks London, United Kingdom

On-site Permanent

Sales Director, Payments

This role involves driving sales growth for Fireblocks within the UK blockchain payments sector, focusing on payment service providers, cross-border payments, and remittances. The Sales Director will lead enterprise sales efforts, build strategic customer relationships, and collaborate with technical and go-to-market teams to close complex deals in a high-growth fintech environment.

Fireblocks United Kingdom

Hybrid Permanent

Senior Product Manager

This role involves leading product development for a Web3-focused company building on the Solana blockchain, with ownership over both core DeFi protocols and a consumer-facing product. The Senior Product Manager will drive product design, maintain a prioritized backlog, conduct user research, and deliver clear technical briefs to engineers in a fully remote, early-stage environment. Success requires deep understanding of crypto, DeFi, and stablecoins, along with strong collaboration skills in a technical, fast-moving setting.

Plexus London, United Kingdom US$105 – US$150 pa

Remote Permanent

Senior Data Scientist

This role involves owning and executing data science projects, developing advanced algorithms and heuristics for blockchain analysis, and collaborating with a team to bring research from prototype to production. The work is deeply technical, focusing on graph computation, statistical modeling, and machine learning to uncover insights from large-scale on-chain datasets.

Chainalysis London, United Kingdom

On-site Permanent

FP&A Manager

The FP&A Manager will lead financial planning, budgeting, and forecasting activities while managing a small team and delivering actionable insights to senior leadership. This role involves building financial models, driving process improvements, and partnering with cross-functional teams to track KPIs and performance metrics. The position operates at the intersection of finance and strategy within a fast-growing crypto-focused financial services firm.

BCB Group London, United Kingdom

Hybrid Permanent