Blockchain Jobs

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 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

Back-End Engineer, Trading

Design and develop backend services in Kotlin and Python for a high-performance cryptocurrency trading platform, focusing on real-time order management, market data processing, and low-latency APIs. Collaborate with product, frontend, and trading teams in an international environment with strong emphasis on system reliability, scalability, and engineering excellence.

Blockchain.com London, United Kingdom

On-site Permanent

Lending & Savings Lead

Lead the strategy and commercial performance of crypto savings and lending products, driving growth in AUM, revenue, and market share. Work cross-functionally to launch new offerings, optimise pricing and risk, and shape product development in a fast-moving fintech environment.

Blockchain.com London, United Kingdom

Hybrid Permanent

Head of KOL - Kraken Pro

Lead the development and execution of Kraken Pro’s global KOL (Key Opinion Leader) strategy, managing a regional BD team and scaling processes to identify, onboard, and manage hundreds of crypto influencers. Design compliant, high-impact campaigns that promote Kraken Pro’s trading products across spot, futures, margin, and prop trading, using data-driven analytics to measure ROI and optimize partnerships. Develop localized, creative strategies that leverage influencer networks to drive user acquisition and competitive differentiation in a regulated global environment.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Director, Paid Marketing

Leads global paid acquisition strategy across multiple channels including Paid Search, Paid Social, App Acquisition, and KOLs. Focuses on optimising customer acquisition cost, lifetime value, and full-funnel conversion through data-driven experimentation and cross-functional collaboration. Builds and scales performance marketing teams and agency partnerships within a regulated fintech environment.

Kraken London, United Kingdom, 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

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

Solution Architect, EMEA

This role involves leading the technical delivery of Fireblocks' digital asset solutions for major banks and financial institutions across EMEA. The Solution Architect owns end-to-end implementation from post-sale transition through production, designing secure API integrations, security architecture, and enterprise deployment strategies. They also contribute to pre-sales by providing technical expertise and shaping solution designs for complex financial infrastructure projects.

Fireblocks United Kingdom

Senior DevSecOps Engineer

This role involves embedding security into the software development lifecycle for a high-availability open banking platform. The engineer will automate compliance, strengthen security posture, and support secure operations on GCP and Kubernetes. The position plays a critical role in maintaining robust security for a regulated financial technology environment.

Yapily London, United Kingdom

Hybrid

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

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

Senior Full Stack Engineer

This role involves developing and scaling financial technology platforms using a Node.js backend with SQL databases and an Angular frontend, deployed on Google Cloud via Kubernetes. The engineer will collaborate with product teams to design and deliver new features, while also mentoring junior staff and influencing technical architecture. The position operates within a regulated fintech environment focused on crypto and fiat asset services.

BCB Group 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

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