Latest Blockchain Architect 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

Senior Back-End Engineer, Trading Platform

This role involves building and maintaining low-latency, scalable trading services in Rust, including order management systems, exchange gateways, and risk management systems. You will work closely with other tech teams to ensure high performance and security, and be part of a fast-paced, high-performance culture focused on continuous improvement and innovation in the cryptocurrency exchange ecosystem.

Blockchain.com London, United Kingdom

Hybrid Permanent

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

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

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

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 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 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

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

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

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