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

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

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 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, London

This role involves providing technical pre-sales support by designing and demonstrating secure blockchain-based solutions for prospective clients across fintech, banking, and Web3 sectors. The Sales Engineer will lead product demonstrations, proof of concepts, and RFP responses, translating complex technical capabilities into customer-focused value. Close collaboration with sales and product teams ensures tailored integration of Fireblocks’ MPC wallet infrastructure and APIs.

Fireblocks London, United Kingdom

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

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 Software Engineer, Aggregation & Search

This role involves owning and improving data ingest services, designing and tuning PostgreSQL strategies, contributing to next-generation architecture, building scalable API services on AWS, and integrating LLM-based tools for automation. The position requires deep expertise in PostgreSQL, Java Spring Boot, and AWS, with a focus on high-impact projects and scalable systems.

Chainalysis United Kingdom

Remote Permanent

Blockchain, Forensics & Data Intelligence specialist - tax free

This senior technical role involves transforming complex on-chain, off-chain, and supervisory data into actionable intelligence for the regulation and supervision of digital assets and technology-enabled financial services. Responsibilities include developing AI-enabled analytics, designing blockchain forensics tools, and integrating advanced data capabilities into supervisory processes.

CPJ Bermuda £195,000 – £200,000 pa

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

Product Engineer

This role involves owning the frontend product experience for a live decentralised exchange, shaping its design, performance, and user experience. The engineer will bridge product and engineering, translating designs into high-quality, responsive trading features while influencing product direction. The position requires deep frontend expertise, product ownership, and experience in building scalable trading platforms.

Improbable Ltd. United Kingdom

Remote Permanent

Senior Low-Latency Rust Engineer

This role involves designing and building high-performance, low-latency systems in Rust, focusing on scalability, reliability, and distributed systems. You will work closely with a skilled team to optimize system performance, improve architecture, and drive best practices.

eFinancialCareers London, United Kingdom

Remote

Senior Algo Trader Tokenised Metals Crypto

This role involves building and running algorithmic arbitrage and market-making systems for tokenised metals, managing P&L, and collaborating with external partners. You'll lead the trading side of an on-chain RFQ solver and have the opportunity to shape the firm's trading infrastructure and strategies.

eFinancialCareers London, United Kingdom