Jobs in London

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

Tokenization Product Director - Collateral - Page Executive

The Tokenization Product Director - Collateral role involves developing and executing solutions for the use of digital and tokenized assets in collateral management and smart contract workflows. Responsibilities include collaborating with clients, educating market participants, and contributing to public policy efforts to advance the adoption of tokenization in the derivatives industry.

eFinancialCareers London, United Kingdom

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

Senior Back-End Engineer, Trading Platform

This role involves building and maintaining low-latency, scalable trading services in Rust, including order management systems, exchange gateways, and risk management systems. You will work closely with other tech teams to ensure high performance and security, and be part of a fast-paced, high-performance culture focused on continuous improvement and innovation in the cryptocurrency exchange ecosystem.

Blockchain.com London, 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

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 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