Latest Blockchain Protocol Engineer Jobs

Treasury Operations Analyst

Monitor and manage fiat and crypto treasury operations, including settlement processes, reconciliations, and lifecycle events. Develop automation tools for risk monitoring and reconciliation, and collaborate with cross-functional teams to ensure operational efficiency and risk controls in a fast-paced digital asset environment.

Blockchain.com London, United Kingdom

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

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

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

Senior AI Product Engineer

This role involves designing and building agentic workflows and AI-powered features for Elliptic's copilot, which helps compliance investigators trace fund flows and surface patterns. You will lead technical decisions, mentor junior engineers, and work closely with product and web teams to deliver high-quality, reliable AI systems.

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 Data Scientist

This role involves leading data science projects across UTXO and EVM blockchains, developing advanced analytical methods, and collaborating with cross-functional teams to move research from prototype to production. The focus is on creating innovative solutions that drive company-level impact and shape the future of blockchain analysis.

Chainalysis London, United Kingdom

Hybrid Permanent

Senior Software Engineer, Aggregation & Search

This role involves owning and improving data ingest services, designing and tuning PostgreSQL strategies, contributing to next-generation architecture, building scalable API services on AWS, and integrating LLM-based tools for automation. The position requires deep expertise in PostgreSQL, Java Spring Boot, and AWS, with a focus on high-impact projects and scalable systems.

Chainalysis United Kingdom

Remote 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

Technical Customer Support Lead

Lead and scale a technical customer support team focused on AI-driven automation and operational excellence. Drive product feedback, manage high-severity escalations, and build career frameworks while remaining hands-on with complex technical issues. The role bridges engineering and customer needs in a regulated, high-stakes environment.

Elliptic London, United Kingdom, United Kingdom

Hybrid Permanent