Blockchain Jobs

Campaigns & Memberships Marketing Manager

This role focuses on planning and executing integrated B2B marketing campaigns across the APAC region, with a strong emphasis on data-driven strategies and nurturing audience engagement through newsletters, social media, and industry partnerships. The candidate will shape campaign performance across the buyer journey, adapt global initiatives for regional relevance, and leverage AI and marketing automation tools to drive pipeline growth. Key responsibilities include managing Elliptic's presence in industry associations, optimising content distribution, and collaborating with creative, events, and content teams to ensure cohesive execution.

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

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

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

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

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

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

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

Staff Product Designer - Consumer

Designs intuitive, high-impact user experiences for Kraken's flagship crypto trading app, focusing on complex financial workflows and scalable product design. Leads design strategy, evolves the design system, and mentors other designers while collaborating closely with product and engineering. Emphasis on data-informed decisions, customer insights, and setting industry benchmarks in crypto product UX.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

AI Agents Solutions Architect - Compliance

Design and deploy AI-powered compliance solutions including agentic workflows for alert pre-screening, case narrative generation, and regulatory change summarization. Build scalable, automated analytics systems with human-in-the-loop governance across global jurisdictions. Train and enable compliance teams to use AI tools, reducing manual effort and increasing capacity for high-risk investigations.

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

Data Platform Engineering Manager

Lead and grow a team of senior data platform engineers building Kraken's real-time streaming infrastructure. Own the architecture and roadmap for high-volume, low-latency data systems using technologies like Kafka, Flink, Spark, and RisingWave. Drive AI-powered automation in data workflows and evolve the data lake and warehouse to support both batch and streaming workloads across trading, risk, compliance, and product teams.

Kraken London, United Kingdom, United Kingdom

Remote Permanent