Jobs in London

Backend Engineer

This role involves designing and building multi-tenant data and workflow services using Python and FastAPI, integrating with Java/Spring core systems, and ensuring production quality through comprehensive testing and monitoring. You'll work closely with a UK-based team and an India-based delivery organization to deliver a robust platform for investment professionals.

Oscar Technology London, United Kingdom £85,000 – £105,000 pa

Data Scientist

This role involves leading the end-to-end development of predictive models, starting with customer churn and complaint propensity, within a subscription-based business. The Data Scientist will define methodologies, build scalable production-ready solutions, and establish the foundation for the company's data science function. Emphasis is on hands-on modelling, commercial impact, and independent ownership of the full lifecycle from concept to deployment.

Gleeson Recruitment Group London, United Kingdom

Staff Data Engineer | | Up to+ Bonus

This role involves leading major data engineering and transformation initiatives, modernizing and migrating large-scale data pipelines on AWS, and designing scalable data architectures. The focus is on hands-on technical leadership, using Python, PySpark, Apache Spark, AWS Glue, and Airflow, while also championing AI-assisted development tools to improve productivity.

WeDo Technology Solutions Limited London, United Kingdom £100,000 – £140,000 pa

Permanent

Staff Machine Learning Engineer | | Up to+ Bonus

This role involves leading the development and deployment of advanced AI systems, including generative AI, LLMs, and multi-agent solutions. You will work across multiple engineering teams to establish reusable AI frameworks, ensure scalability and reliability, and drive the adoption of modern AI practices in a highly regulated environment.

WeDo Technology Solutions Limited London, United Kingdom £120,000 – £160,000 pa

Permanent

Senior Product Engineer (AI & Full Stack)

This role involves designing and building greenfield AI-powered enterprise products from concept to production, using modern full-stack technologies and AI-assisted development. The engineer will work in a small, collaborative team to create responsive web applications with React and TypeScript, develop Node.js backend services, and integrate secure enterprise systems. A strong focus is placed on innovation, user experience, and leveraging AI tools to accelerate development in a cloud-native environment.

Infused Solutions London, United Kingdom £65,000 – £75,000 pa

Senior AI Engineer

This role involves building production applications and APIs using Python and FastAPI, developing LLM, RAG, and AI agent solutions, and working with vector databases. You'll collaborate with engineers, architects, and client stakeholders to take GenAI POCs into production and scale them.

83zero Glasgow, City Of Glasgow, G2 1AL, United Kingdom £60,000 – £70,000 pa

Senior Security Researcher

This role involves researching emerging threats, attacker techniques, and security trends, while exploring how AI can enhance detection and security outcomes. You will develop prototypes, tooling, and automation using Python, and work with engineering teams to translate research into product capabilities.

Salt Search London, United Kingdom £70,000 – £90,000 pa

Senior Software Engineer C++

This role involves designing and developing production software in C++, shaping the platform's architecture, and turning research prototypes into reliable, maintainable product capabilities. You will work closely with researchers and software engineers to improve performance, reduce complexity, and integrate various components.

Understanding Recruitment London, United Kingdom £10,000 – £80,000 pa

Senior Engineer (Agentic Developer)

This role involves translating product requirements into testable specifications, supervising AI coding agents, and maintaining high-quality, secure, and compliant software. The engineer will work closely with product, design, and customer experience teams to deliver weekly releases, improve agentic workflows, and mentor other engineers.

Reed.co.uk Wc2B5Lx, United Kingdom

Data Scientist

This role involves developing and maintaining machine learning models for logistics and supply chain optimisation within Ocado’s advanced automated grocery fulfilment system. The data scientist will work on demand forecasting, drive-time predictions, and supplier reliability, using deep learning and scalable data pipelines. Collaboration with engineering and product teams ensures models are production-ready and drive real-world operational impact.

Ocado London, United Kingdom

Research Scientist - Interactive Avatars

As a Research Scientist, you will join a team of 40+ researchers and engineers to develop cutting-edge generative AI models for interactive avatars. Your focus will be on advancing the state of the art in dyadic interaction modeling, building models that can hold natural, real-time conversations, and generating contextually appropriate reactions to user inputs.

Synthesia London, United Kingdom

Remote Permanent

Senior Applied Research Engineer - Video

Develop and scale production-grade video diffusion models for human-centric synthetic video generation, focusing on training stability, distributed systems, and inference optimization. Work at the intersection of deep learning and systems engineering to deliver high-quality, controllable models used by global enterprises. Emphasis on rapid experimentation, rigorous evaluation, and shipping impactful AI technology.

Synthesia London, United Kingdom

Remote Permanent

Senior Business Analyst

This role involves leading business analysis activities in an AI-enabled transformation environment, facilitating stakeholder workshops, assessing AI opportunities, and designing future-state processes. The focus is on practical application and measurable outcomes, with a strong emphasis on stakeholder engagement and independent operation.

TXP London, United Kingdom £600 – £650 pd

Hybrid Contract Flexible Clearance Required

AI Innovation Lab Manager

Lead the identification, prototyping, and evaluation of high-impact AI and automation solutions within a global financial services enterprise. Drive proof-of-concepts and pilot programmes, translating business challenges into practical AI-driven innovations while assessing emerging technologies for capability, security, and scalability. Work closely with senior stakeholders to demonstrate measurable business value and support the scaling of successful initiatives.

CPS Group London, United Kingdom £650 – £750 pd

Hybrid Contract

AI Innovation Lab Engineer

This role involves rapid prototyping and experimentation with cutting-edge AI technologies, including generative AI, LLMs, and AI agents, to solve real business challenges in financial services. The engineer will build intelligent workflows and automations, test solutions with end users, and drive innovation from concept to enterprise-scale deployment. The position emphasizes a hands-on, build-first approach within a high-autonomy innovation lab environment.

CPS Group London, United Kingdom £450 – £480 pd

Hybrid Contract