Latest Blockchain Developer 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

Site Reliability Engineer - Core

This role involves advancing infrastructure reliability and scalability for a major blockchain platform. The engineer will develop tooling, improve observability and monitoring, and guide development teams on best practices. The position emphasizes automation, reduction of toil, and cross-organizational coordination in a high-growth, security-focused environment.

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 Product Manager

This role involves owning the vision and roadmap for Elliptic’s Real-time Risk solutions, focusing on detecting financial crime risks in crypto transactions. You'll collaborate with engineering and design teams to build scalable, programmatic alerting systems, while deeply understanding blockchain analytics and customer needs across financial services and government. The position requires translating complex technical data into actionable insights and continuously iterating based on customer feedback and performance metrics.

Elliptic London, United Kingdom, 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 AI Compute Infrastructure Engineer

This role involves designing and operating GPU and accelerator infrastructure for AI model training, inference, and experimentation at scale. The engineer will build production-grade systems for scheduling, orchestration, observability, and cost-efficient compute, working closely with ML researchers and product teams. Key responsibilities include optimizing inference pipelines, integrating new hardware and frameworks, and enabling internal teams to efficiently use GPU resources.

Kraken London, United Kingdom, 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

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

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

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 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