Machine Learning Jobs

Data & AI Architect Manager

This role involves leading the design and delivery of modern data and AI solutions within complex transformation programmes for enterprise clients. The candidate will architect end-to-end data platforms, integrate AI/ML capabilities, and ensure robust data governance across cloud and legacy systems. A key focus is bridging technical data architecture with business strategy while advising senior stakeholders.

eFinancialCareers London, United Kingdom £90,000 pa

Hybrid Permanent

Machine Learning Quant Data Scientist Energy Trading - Bonhill Partners

Develop and enhance machine learning-based forecasting models for energy markets, focusing on power and gas. Analyse large, complex datasets from market, weather, and trading sources to identify predictive signals that inform front-office trading decisions. Collaborate with data scientists, quants, and traders in a cross-functional environment.

eFinancialCareers London, United Kingdom

Manager - AI & Data Architect

This role involves leading end-to-end data architecture for complex client transformation programmes, designing scalable data solutions across cloud, AI, and analytics. The candidate will provide technical leadership, develop data governance frameworks, and translate business requirements into modern data architectures using platforms like Snowflake and Databricks. A consultancy background with strong client-facing experience is essential.

eFinancialCareers London, United Kingdom £70,000 – £90,000 pa

Hybrid Permanent

Senior Manager Architect - Data

Lead the architectural direction of a cloud-based data ecosystem, focusing on distributed data processing, streaming, and AI/ML platforms. Drive innovation and standardization across a hybrid environment, collaborating with engineering, data science, and governance teams. Promote data-driven culture and architectural excellence at scale.

Capital One London, United Kingdom £95,009 pa

Senior Software Engineer - AI Products SVP - Citi

This role involves designing and building production-grade AI software for enterprise use, focusing on Generative AI applications such as intelligent document processing, data extraction, fraud detection, and workflow automation. The engineer will solve novel, first-of-a-kind problems in a regulated banking environment, balancing model performance with resilience, explainability, and auditability. Work includes end-to-end ownership of technical solutions, from experimentation to deployment, within a collaborative, flat team structure.

eFinancialCareers London, United Kingdom

Data Engineering Consultant, Data Bricks, Snowflake, Fabric, Consulting, City of London

This role involves delivering data engineering and analytics solutions for external clients, with a focus on financial services and regulatory compliance. The consultant will work on data platforms like Databricks, Snowflake, and Microsoft Fabric, supporting audit automation and advising on data governance and AI model validation. The position requires a versatile, client-facing technologist comfortable with travel and hybrid working.

Carrington Recruitment Solutions Ec2M4Yf, United Kingdom £120,000 – £160,000 pa

Machine Learning Engineer

Design and deploy machine learning and generative AI systems for national security applications, transitioning models from experimentation to production using AWS-based MLOps and LLMOps platforms. Develop scalable ML pipelines, LLM-powered capabilities, and robust monitoring systems while ensuring compliance with governance and responsible AI principles. Collaborate with cross-functional teams and mentor junior engineers in a high-impact, security-cleared environment.

eFinancialCareers London, United Kingdom £65,000 pa

On-site Permanent Clearance Required

Quantitative Research Scientist - Systematic Trading

This role involves conducting original quantitative research to develop statistical and mathematical models for trading, using large, noisy datasets and proprietary infrastructure processing billions of market events daily. The scientist will translate research into production code, peer-review ideas, and explore unconventional approaches with potential investment value. The position emphasizes deep mathematical problem-solving, programming rigor, and collaboration in a research-driven, intellectually autonomous environment.

eFinancialCareers London, United Kingdom

Data Engineer

Design and build a modern, cloud-first data platform to replace legacy on-premise systems, enabling scalable data integration and AI-readiness. Collaborate with analytics teams to refactor complex T-SQL into cloud workflows and establish CI/CD, Git, and automated testing practices. Support NetSuite migration and future acquisitions through robust, modular data architectures.

Liquidline Ipswich, United Kingdom

Manager, Software Engineering

Leads a software engineering team building and scaling Mastercard's Authentication Decisioning platform, which delivers real-time risk and authentication decisions using AI, rules engines, and data enrichment. Focuses on operational excellence, secure development practices, and modernisation of a high-availability system within a global payments ecosystem.

Appcast Enterprise Dublin, Alba / Scotland, IV17 0YF, United Kingdom

Manager, Software Engineering

Leads a software engineering team building and scaling Mastercard's Authentication Decisioning platform, which delivers real-time risk and authentication decisions using AI, business rules, and data enrichment. Focuses on operational excellence, secure software development, and cross-team collaboration to support large-scale, high-availability payment authentication systems.

Appcast Enterprise Ashbourne, United Kingdom

Manager, Software Engineering

Lead a software engineering team building and operating Mastercard's Authentication Decisioning platform, a critical component of its global authentication ecosystem. Focus on delivering scalable, secure, and resilient AI-driven decisioning systems for real-time transaction risk assessment and identity verification at massive scale. Emphasis on technical leadership, operational excellence, and cross-functional collaboration in a high-availability environment.

Appcast Enterprise Bray, United Kingdom

Treasury AI Engineering Lead - NatWest Group

The role involves leading the adoption of Generative AI and machine learning in Treasury operations, focusing on use cases like liquidity forecasting, capital optimisation, and risk management. You will design and deliver AI-driven solutions, oversee cloud migration for scalable experimentation, and promote responsible AI practices. The position emphasizes technical leadership, innovation, and cross-functional collaboration within a financial services environment.

eFinancialCareers London, United Kingdom

Quantitative Researcher - Systematic Equities

Develop and test alpha-generating strategies for systematic equity portfolios using statistical techniques, machine learning, and large-scale data analysis. Work closely with portfolio managers to transition research into live trading, building predictive models and robust research infrastructure in Python. Focus on rigorous backtesting, signal validation, and collaborative research in a high-impact environment.

eFinancialCareers London, United Kingdom

Elite Quant Researcher -Global Systematic Investment Firm/ London/ USA

This role involves researching and developing mathematical and statistical models for systematic investment strategies, using advanced techniques in machine learning and large-scale data analysis. The researcher will work across the full lifecycle—from hypothesis generation and model testing to production implementation—within a collaborative environment alongside portfolio managers and engineers. The position emphasizes original, rigorous research applied to global financial and alternative datasets.

eFinancialCareers London, United Kingdom