Artificial Intelligence Jobs in London

Senior Software Engineer

This role involves modernising critical legacy Java services using AI-driven analysis and refactoring techniques, applying migration patterns to deliver clean, modern APIs, and building AI-powered tooling such as MCP servers and AI-assisted CI/CD pipelines. The position is hands-on and focuses on demonstrating how AI can transform developer productivity and code quality in a financial services context.

Tiro London, United Kingdom £80,000 – £120,000 pa

Hybrid Permanent

Data Scientist

This role involves designing, building, and deploying generative AI solutions using large language models and modern machine learning techniques. You will work on practical applications like intelligent automation, document processing, and customer-facing AI tools, collaborating with data engineering and software teams to productionize solutions and ensure they align with governance standards.

Oscar Technology London, United Kingdom £65,000 – £75,000 pa

Hybrid Permanent

Senior Python Engineer

As a Senior Python Engineer in the Enterprise AI team at Just Eat, you will design, build, and deploy cutting-edge AI solutions that drive business value. Your responsibilities include leading technical projects, mentoring team members, and optimizing model serving and data pipelines. You will work closely with business stakeholders and data science teams to gather requirements and deliver high-quality AI applications.

Just Eat London, United Kingdom £50,000 – £80,000 pa

On-site Permanent

Product Analyst / Data Scientist

In this role, you will work closely with product teams to analyze user behavior, run A/B tests, and provide insights that shape product decisions. You'll be part of a central Data function, using quantitative analysis and storytelling to drive product improvements and strategic initiatives in a tech-led consumer platform with a large user base.

Harnham - Data & Analytics Recruitment London, United Kingdom £70,000 – £90,000 pa

Hybrid Permanent

Principal Software Engineer

The Principal Software Engineer leads and plans development across large or multiple teams, providing deep expertise in one technical specialism and strong capability across at least two others. This role is responsible for implementing an AI-augmented software development lifecycle, ensuring robust technical solutions, and championing modern engineering practices.

Vitality London, United Kingdom £70,000 – £120,000 pa

Hybrid Permanent

Python Developer - Insurance Analytics

This role involves developing and maintaining the InsurSight SaaS platform, focusing on Python backend development, performance optimization, and integration with C# codebases. You will work closely with a multidisciplinary team, including actuaries and data scientists, to deliver robust and scalable features while mentoring junior developers and championing best practices in software engineering.

Lane Clark & Peacock London, United Kingdom £40,000 – £60,000 pa

Hybrid Permanent

Machine Learning Researcher

This role involves leading the development and refinement of novel machine learning architectures and algorithms, focusing on optimizing performance, efficiency, and scalability. You will collaborate with the photonics and hardware teams to design and evaluate metrics for computational performance, and adapt state-of-the-art techniques to work with the company's unique hardware.

MicroTech Consulting London, United Kingdom £139,000 – £140,000 pa

On-site Permanent

AI Product Manager

This role involves leading the end-to-end development of AI-powered products, from ideation to launch and ongoing optimization. The AI Product Manager will define the product vision, roadmap, and MVP strategy, identify user needs, and develop generative AI features using modern frameworks. Collaboration with engineering and data teams is crucial, as is engaging with senior stakeholders to align product direction with business objectives.

167 Solutions London, United Kingdom £130,000 – £150,000 pa

Hybrid Permanent

Principal Engineer - AI/ML

As a Principal Engineer, you will lead the development of a Cognitive Operating System, designing and evolving the infrastructure for autonomous agents. You will work closely with product, data, and engineering leaders to build scalable, intelligent systems that continuously improve and deliver value. Key responsibilities include architecting the Cognitive Runtime, building a Skill Catalog, and creating feedback loops to enhance model performance.

Just Eat London, United Kingdom £100,000 – £150,000 pa

On-site Permanent

Snr/Principal Machine Learning Scientist – Generative Modelling

This role involves designing and implementing generative models to understand and control cellular decision-making, using cutting-edge multiomic and interventional datasets. You will collaborate with experimental teams to validate computational hypotheses and contribute to high-impact publications, pushing the boundaries of generative modelling in complex biological systems.

Relation Therapeutics London, United Kingdom £80,000 – £120,000 pa

On-site Permanent

Machine Learning Engineer

This role involves designing, building, and deploying machine learning models for real-world applications, working with large language models, and integrating AI into production environments. You will collaborate with cross-functional teams, conduct research, and implement MLOps best practices to continuously improve AI/ML systems and frameworks.

Qualify Nation Recruitment Woking, United Kingdom £35,000 – £55,000 pa

Hybrid Permanent Clearance Required

QA Engineer

This role involves designing, building, and maintaining automated tests for a next-generation financial product. You'll work closely with product managers, developers, and other QA engineers to ensure high software quality, reduce manual testing, and enhance efficiency using modern tools and AI. The position offers significant impact and growth within a fast-growing tech scale-up.

Harnham - Data & Analytics Recruitment London, United Kingdom £45,000 – £65,000 pa

Hybrid Permanent

Sourcing Partner- Incubator for AI (i.AI)

The Sourcing Partner role involves identifying and engaging top AI talent across the UK, developing a deep understanding of the AI ecosystem, and building a strong network of candidates. You will create and execute effective search strategies, maintain lasting relationships, and collaborate with senior civil servants and technical staff to define role requirements and ensure a superior candidate experience.

Incubator for AI London, United Kingdom £44,195 – £48,620 pa

Contract Flexible

Product Engineer

As a Product Engineer, you will own features end-to-end, working closely with product and design teams to build an AI-driven platform that helps commercial teams manage and close complex deals. The role involves integrating GenAI into product workflows, exploring LLM and RAG-based features, and improving both user experience and internal processes. The team is small, collaborative, and high-energy, with a strong focus on autonomy and trust.

Avanti London, United Kingdom £50,000 – £65,000 pa

Hybrid Permanent Flexible

AI Engineer

This role involves designing and deploying sophisticated AI systems using large language models, developing RAG pipelines, vector search solutions, and agent-based workflows. You will work in a fast-paced, collaborative environment, focusing on building production-grade applications that deliver tangible real-world impact.

Via Match London, United Kingdom £70,000 – £130,000 pa

Hybrid Permanent