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 Crypto Threat Analyst - Sanctions

This role involves leading end-to-end investigations into cryptoasset exposure to sanctioned entities and evasion networks, developing comprehensive monitoring frameworks, and producing high-impact intelligence outputs. The analyst will act as a subject matter expert on global sanctions regimes, improve detection processes, mentor junior colleagues, and translate findings into product and client-facing deliverables. Work spans deep research, cross-functional collaboration, and public representation of Elliptic's capabilities.

Elliptic London, United Kingdom, 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

Technical Lead, Lending & Savings

Lead the technical direction for crypto savings and lending products, designing scalable distributed systems while mentoring engineers and collaborating with product and risk teams. Drive architecture, security, and innovation in a hands-on role shaping core financial infrastructure. Emphasis on operational excellence, AI-assisted development, and cross-functional delivery in a high-growth crypto environment.

Blockchain.com London, United Kingdom

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

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

Growth Workflow Specialist, Performance & Paid

This role involves designing and refining AI-driven automation workflows for paid growth campaigns, focusing on performance marketing systems that continuously learn and optimize. The specialist will define decision logic, creative feedback loops, and cross-channel strategies, working closely with engineering to build intelligent agent systems. It's a systems-thinking role that bridges domain expertise in growth with AI automation to scale crypto-focused marketing at Kraken.

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 Growth Engagement Manager, International

This role focuses on driving international customer engagement through data-driven lifecycle marketing strategies. You'll design and execute automated customer journeys across onboarding, product adoption, and retention, using A/B testing and personalization to optimize engagement. Working closely with cross-functional teams, you'll leverage marketing technology and analytics to scale impactful campaigns across global markets.

Robinhood London, United Kingdom

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

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

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

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