Machine Learning Jobs

Software Engineer, Safeguards Infrastructure

This role involves developing foundational systems for AI safety, including data storage, metric evaluation, and human review tools. The focus is on building robust defenses to prevent misuse and ensure user well-being, with a strong emphasis on operational reliability and scalability.

Anthropic London, United Kingdom £255,000 – £325,000 pa
Hybrid Permanent

Staff Software Engineer, AI Reliability Engineering

This role involves developing and maintaining the reliability of Anthropic's AI systems, particularly Claude. Responsibilities include setting service level objectives, implementing monitoring systems, and leading incident response. The position offers cross-functional exposure and collaboration across multiple teams and cloud providers.

Anthropic London, United Kingdom £325,000 – £390,000 pa
Permanent

AI Consultant

This role involves designing and developing AI and machine learning models to support client and internal projects, applying advanced AI techniques to real-world business problems, and contributing to research and development initiatives. You will work closely with stakeholders across data, analytics, and business teams to integrate AI into decision-making processes and present insights to both technical and non-technical audiences.

Harnham - Data and Analytics Recruitment London, United Kingdom £70,000 – £90,000 pa
Hybrid Permanent

Python Counterparty Credit Risk Senior Developer, Vice President - Citi

This senior developer role involves developing, testing, and maintaining the Counterparty Credit Risk application, integrating pricing models and workflow enhancements. The role requires expertise in Python, C++, and DevOps, with a focus on performance optimization and collaboration with front office teams.

eFinancialCareers London, United Kingdom
On-site Permanent

Machine Learning Engineer - TradingHub

This role involves developing and deploying machine learning models to enhance TradingHub’s market surveillance and analytics platform. You will work closely with quantitative developers, data engineers, and product teams to productionize models and improve the accuracy of trader behavior analysis.

eFinancialCareers London, United Kingdom
Hybrid Permanent

Senior ML Engineer

This role involves building and deploying machine learning models in secure, data-rich environments, contributing to national-level outcomes. You will work with large datasets, develop AI-driven capabilities, and collaborate with a multidisciplinary team to support mission-critical systems.

eFinancialCareers London, United Kingdom £60,000 pa
Hybrid Permanent Clearance Required

Senior AI Product Design

This senior design leadership role involves building AI-powered digital products in complex, data-rich environments. Responsibilities include leading end-to-end product design, translating complex AI/ML capabilities into user-friendly interfaces, and mentoring junior designers. The role has a significant impact on how organisations adopt AI responsibly and effectively.

eFinancialCareers London, United Kingdom £85,000 pa
Hybrid Permanent Clearance Required

Machine Learning Quant - Start Up

This role involves developing and deploying advanced AI/ML models for a stealth start-up Quant hedge fund. Responsibilities include building proprietary trading systems, experimenting with new datasets, and contributing to novel trading ideas. The team is advised by a Fields Medallist and is preparing to launch next year.

eFinancialCareers London, United Kingdom £150,000 pa
On-site Permanent

Quant Researchers / Engineers- Sophisticated Prop Trading Firm

This role involves building a cutting-edge trading platform from scratch, focusing on deep learning, neural networks, and modern NLP techniques. You'll work in a pod-like structure with significant autonomy and strategic influence, contributing to alpha generation and shaping the research stack.

eFinancialCareers London, United Kingdom
On-site Permanent

Lead Data Architect

This role involves leading data architecture and AI initiatives in the healthcare sector, engaging with senior stakeholders, shaping pre-sales opportunities, and designing complex data solutions. The position offers a blend of strategic consulting, technical architecture, and hands-on delivery, with a focus on improving patient outcomes and operational performance.

eFinancialCareers London, United Kingdom £160,000 pa
Hybrid Permanent

Full Stack Data Engineer

This role involves building and maintaining end-to-end data solutions, developing user-facing tools and dashboards, and integrating AI/ML capabilities into live systems. You will work in a client-facing environment, translating complex requirements into scalable data products and supporting real-time decision-making.

eFinancialCareers London, United Kingdom £35,000 – £55,000 pa
Hybrid Permanent Clearance Required

Machine Learning Systematic Equities Quantitative Researcher

This role involves working closely with the Portfolio Manager to develop systematic trading strategies, focusing on idea generation, data gathering, research, model implementation, and backtesting. You will use state-of-the-art machine learning techniques to extract alphas for statistical arbitrage strategies in a fast-paced, collaborative environment.

eFinancialCareers London, United Kingdom
On-site Permanent

Quantitative Researcher - Global Market Maker

The role involves conducting in-depth research and statistical analysis to evaluate securities and trading opportunities, developing and enhancing trading strategies, and implementing algorithms to optimize trading performance. You will work with large data sets, design robust mathematical models, and back-test models in a live trading environment.

eFinancialCareers London, United Kingdom
On-site Permanent

Systematic Volatility Quant Researcher - London

This role involves conducting end-to-end systematic volatility research, from alpha signal generation to execution optimization. You will develop, backtest, and refine volatility-based trading strategies across asset classes, working closely with traders and portfolio managers to enhance trading efficiency and performance.

eFinancialCareers London, United Kingdom
On-site Permanent