Blockchain Jobs

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

Product Manager - Core Platform & Data

This role focuses on owning the core platform and data products at Yapily, including identity, access services, and API gateway. The Product Manager will define strategy and data models, ensure seamless integration across systems, and drive enterprise-grade capabilities like SSO and role-based access. A key part of the role involves enabling AI agent authentication and building scalable data products such as analytics and reporting APIs.

Yapily London, United Kingdom

Hybrid Permanent

Senior AI Product Engineer

Design and build agentic AI workflows and backend systems that transform complex blockchain data into actionable insights for compliance investigators. Lead technical decisions on LLM integrations, evaluation frameworks, and production reliability while mentoring junior engineers and shaping cross-team AI practices. Work across the full stack to ship AI-powered features in a high-impact, real-world financial crime detection environment.

Elliptic London, United Kingdom, United Kingdom

Hybrid Permanent

Security Engineer, Institutional Trading

This role involves securing off-chain trading systems and operational workflows for a major crypto company. The engineer will conduct risk assessments, improve detection of anomalies in trading activity, manage key and secrets hygiene, and act as a security liaison for institutional teams. The focus is on operational resilience, third-party integrations, and aligning controls with financial standards like CCSS and DORA.

Blockchain.com London, United Kingdom

On-site Permanent

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

Software Engineering Team Lead

Lead a software engineering team building core microservices for an open banking platform, with a focus on AI-native development and agentic coding workflows. Drive technical architecture and delivery while fostering a culture of innovation and scalability within a mission-driven fintech environment.

Yapily London, United Kingdom

Hybrid

Sr Product Manager - Hybridisation

Lead product strategy and execution for Kraken Wallet, focusing on simplifying on-chain interactions for consumers. Own the end-to-end user experience, from onboarding to DeFi and payments, while collaborating with engineering, design, and security teams. Drive adoption and engagement by building intuitive, secure gateway products to the onchain economy.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Product Manager II - Fraud

This role involves leading the product strategy and delivery for fraud prevention systems at Kraken, focusing on fraud and account takeover (ATO) detection, case management, and compliance. The Product Manager will work cross-functionally with engineering, legal, risk, and external vendors to build secure, scalable solutions that protect users while minimizing friction for legitimate activity. Key initiatives include revamping case management workflows and integrating third-party fraud tools.

Kraken London, United Kingdom, 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

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 Platform Engineer, Foundations

This role involves designing, building, and operating foundational platform services such as managed Kubernetes clusters, Kafka, and CI/CD systems that enable engineering teams to deploy and run software securely and efficiently. The engineer will implement infrastructure as code across AWS, improve system reliability through SLOs and automation, and create self-service abstractions to reduce cognitive load for product teams. The position operates at the intersection of infrastructure, security, and developer experience within a rapidly evolving blockchain analytics environment.

Chainalysis London, United Kingdom

Hybrid Permanent

Product Marketing Manager, International

Lead product marketing for Robinhood's UK market, driving go-to-market strategies for new products and features in a regulated financial environment. Develop customer-facing narratives, coordinate cross-functional initiatives, and shape product growth through user insights and data-informed decisions. Focus on increasing adoption and engagement for brokerage and crypto offerings through integrated marketing plans.

Robinhood London, United Kingdom

Hybrid Permanent

Strategic Partnerships Manager, Travel

This role involves leading the end-to-end partnership lifecycle with travel platforms such as GDS, OTAs, TMCs, and travel SaaS providers to embed Modulr’s payment and virtual card solutions. The manager will identify targets, negotiate commercial models like revenue share, and drive adoption within the travel payments ecosystem. Success requires deep industry knowledge, strong stakeholder engagement, and feeding competitive insights back into product and strategy.

Modulr London, United Kingdom

Hybrid Permanent

Tech Lead - Trading Sub Ledger- Leading Global Market Maker

This role involves leading a small team to design and implement a real-time sub ledger system for firm-wide P&L and trade journals. You will collaborate with trading, finance, and engineering teams to ensure system performance, scalability, and production readiness.

eFinancialCareers London, United Kingdom

On-site Permanent

Junior Sales Executive

Junior Sales ExecutiveAbout RailsrRailsr is a leading embedded finance experience platform that enables any business to prototype, build and scale financial products. Our vision is to make finance an amazing experience for consumers and companies globally, working alongside brands and...

Rail SR London, London, City Of, United Kingdom

Hybrid Permanent