Latest Blockchain Security Engineer Jobs

Senior Product Security Engineer

This role involves leading the Product Security program for Blockchain.com’s internally developed products across consumer, OTC, and MRE lines. The engineer will design and operate the secure development lifecycle, conduct threat modeling, lead architecture reviews, and drive security automation including AI-integrated tooling. They will work closely with engineering teams to remediate security debt, enhance secure coding practices, and ensure robust protection of high-value financial transactions through proactive governance and incident response support.

Blockchain.com London, United Kingdom

Hybrid Permanent

Chief Information Security Officer (CISO)

Lead and scale the global cybersecurity organization at a leading crypto platform, defining security strategy, overseeing security engineering and operations, and ensuring regulatory compliance ahead of IPO. Strengthen cloud, application, and infrastructure security while embedding security into development and establishing AI governance. Operate custody systems and provide executive-level risk assessments to board and regulators.

Blockchain.com London, United Kingdom

Mobile Design Engineer

This role focuses on crafting high-fidelity, fluid mobile interactions within the Kraken app using React Native, with deep attention to gesture dynamics, animation, and performance. The engineer will elevate the quality of UI responsiveness and interaction design, ensuring the app feels native and trustworthy. They will establish reusable animation patterns, mentor peers, and optimize for lower-end devices where smoothness is critical.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Data Platform Engineering Manager

Lead and grow a team of senior data platform engineers building Kraken's real-time streaming infrastructure. Own the architecture and roadmap for high-volume, low-latency data systems using technologies like Kafka, Flink, Spark, and RisingWave. Drive AI-powered automation in data workflows and evolve the data lake and warehouse to support both batch and streaming workloads across trading, risk, compliance, and product teams.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

DevOps Engineer

This role involves building and maintaining scalable, self-service infrastructure and CI/CD pipelines for a high-security digital asset platform. You'll work closely with engineering and SRE teams to ensure resilience, reliability, and performance of blockchain nodes and supporting systems. Key responsibilities include infrastructure as code, automated provisioning, and operating geographically distributed systems with strict availability requirements.

Copper London, United Kingdom

Solution Architect, EMEA

This role involves leading the technical delivery of Fireblocks' digital asset solutions for major banks and financial institutions across EMEA. The Solution Architect owns end-to-end implementation from post-sale transition through production, designing secure API integrations, security architecture, and enterprise deployment strategies. They also contribute to pre-sales by providing technical expertise and shaping solution designs for complex financial infrastructure projects.

Fireblocks United Kingdom

Senior Software Engineer - Data

This role involves designing and building large-scale, distributed data systems and pipelines that power blockchain intelligence and analytics products. The engineer will work hands-on with Scala, Spark, and AWS to process batch and streaming data, solve complex data challenges, and integrate AI-driven tooling. Collaboration with data scientists, product teams, and intelligence analysts is key to delivering transparent, impactful solutions in the crypto space.

Elliptic London, United Kingdom, United Kingdom

Hybrid Permanent

Software Engineering Lead

Lead a high-impact engineering team building Investigator, a leading crypto compliance and financial crime investigation platform. Translate complex blockchain data into intuitive, scalable web applications using modern JavaScript/TypeScript stacks. Drive technical direction, mentor engineers, and collaborate closely with product to deliver features that help global compliance teams trace illicit fund flows.

Elliptic London, United Kingdom, United Kingdom

Hybrid Permanent

Senior Data Scientist

This role involves developing advanced behavioral heuristics, graph algorithms, and machine learning models to analyze blockchain data, particularly on EVM networks. The Senior Data Scientist will lead production projects from concept to deployment, working with large-scale on-chain datasets to uncover insights that power Chainalysis' products. Collaboration with technical and non-technical stakeholders, mentoring, and contributing to production data pipelines are key aspects of the role.

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 financial insights to senior leadership. This role involves building financial models, driving reporting efficiency through dashboards, and supporting strategic initiatives such as fundraising. The position operates in a fast-paced crypto-financial environment, requiring close collaboration with cross-functional teams and strong analytical capabilities.

BCB Group London, United Kingdom

Hybrid Permanent

Full Stack Developer

Develop and maintain full-stack Java applications in a fast-paced, on-site environment with evolving requirements. Work extensively with Linux/Unix systems and modern development practices. Gain exposure to AI-powered coding tools and, optionally, contribute to blockchain or crypto-related projects.

Ascendion London, United Kingdom

Systems Engineer - Rust- Thriving Crypto Tech Firm

This role involves building and optimizing ultra-high-performance blockchain infrastructure for Ethereum's largest block builder. You'll work on low-latency systems, transaction sorting algorithms, and competitive dynamics in a fast-moving, adversarial environment. The role emphasizes end-to-end ownership, real-time deployment, and direct impact on profitability through performance gains at microsecond scale.

eFinancialCareers London, United Kingdom

On-site Permanent