Machine Learning Jobs

Senior AI/ML Engineer

Design and build scalable AI systems using large language models and machine learning to power intelligent learning experiences such as personalised tutoring, content generation, and adaptive recommendations. Collaborate with product, data, and learning teams to deliver production-grade AI features while establishing best practices in AI governance and engineering standards. Mentor engineers and help shape the technical direction of the platform’s AI strategy.

eFinancialCareers London, United Kingdom £90,000 – £110,000 pa

Hybrid Permanent

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

Head of AI Solutions, COO Technology - MD C16 - Citi

Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your...

eFinancialCareers London, United Kingdom

Senior Java Engineer - mthree

This role involves leading the architectural evolution and scaling of a high-throughput platform for a global financial institution. Responsibilities include influencing system design, driving automation, and optimizing performance for a platform processing millions of complex operations monthly.

eFinancialCareers London, United Kingdom

On-site Permanent

Principal Software Engineer - Cititec Talent Ltd

This role involves designing and delivering high-performance trading systems, building real-time data pipelines, and integrating market data feeds. You will lead technical initiatives, mentor engineers, and partner with senior client stakeholders to shape data and platform architecture in the capital markets domain.

eFinancialCareers London, United Kingdom

On-site Permanent

Data Scientist

This role involves working in a growing data and analytics team, delivering insights and analysis that support data-driven marketing and commercial decisions. You will build and apply predictive models, prepare and manipulate data, and translate findings into clear stories for various stakeholders.

Harnham - Data and Analytics Recruitment London, United Kingdom £50,000 – £65,000 pa

Hybrid Permanent

Data Engineer

As a Data Engineer at Clariti AI, you will play a key role in improving the production quality of the company's price optimization software. Responsibilities include building and optimizing ETL/ELT pipelines, scaling infrastructure, and collaborating with clients on pricing decisions. The role offers significant growth opportunities and involvement in various aspects of the business.

Step 2 Recruitment LTD London, United Kingdom £50,000 – £85,000 pa

Hybrid Permanent

Senior Data Engineer

This role involves working within a high-growth data and machine learning team, embedding into portfolio companies to deliver data science and machine learning initiatives. Responsibilities include partnering with C-suite stakeholders, designing and deploying machine learning solutions, and contributing to best practices in data science and engineering.

Harnham - Data and Analytics Recruitment London, United Kingdom £90,000 – £120,000 pa

On-site Permanent

Lead Solution Architect - Data Analytics

This role involves providing architectural leadership for enterprise-scale data and analytics platforms that support critical national services. Responsibilities include defining and governing solution architectures, translating business requirements into technical designs, and leading a team of architects in a highly regulated environment.

Inspire People London, United Kingdom £80,320 – £90,360 pa

Hybrid Contract Clearance Required

Senior Machine Learning Engineer

This role involves designing, building, and deploying machine learning models into production environments. You will work closely with data scientists and engineers to develop robust, scalable solutions that drive commercial outcomes, with a focus on MLOps, DevOps, and cloud platforms.

Harnham - Data and Analytics Recruitment London, United Kingdom £90,000 – £110,000 pa

Hybrid Permanent

Quant Fund Recruiting Experienced Statistical Arbitrage Researcher Location

This role involves partnering with the research team to develop and refine intraday and systematic trading strategies using statistical arbitrage. You will analyze large-scale market data, build predictive models, and collaborate with technology teams to integrate these models into advanced trading infrastructure. The position is ideal for those who want to be involved in all aspects of the research, trading, and coding process in a collaborative start-up environment.

eFinancialCareers London, United Kingdom

Hybrid Permanent

Director: Forensic Technology/Data Analytics/FinCrime/Regulatory

Director: Forensic Technology/Data Analytics/FinCrime/Regulatory ComplianceDublin (Ireland)/hybrid – open to people wanting to relocate from UK or EUProfile:You will have extensive experience of leading teams on high profile engagements likely from a Consultancy/advisory background (Big4 or similar).An ambitious and experienced leader...

Brimstone-Recruitment City Of Dublin, Ireland