301 to 325 of 351 LLM Jobs in London

agents - handling real-time calls, conversation routing, bookings, maintenance triage, and integrations with property management platforms. The role covers telephony/voice systems, LLM orchestration, RAG pipelines, and event-driven architecture. It also involves core backend engineering: API integrations, data modeling, webhooks, and production infrastructure that makes the AI work … designing and deploying API-first, event-driven architectures. Intuitive understanding of how to build systems that scale Experience building and shipping AI agents and LLM-powered systems in production Strong RAG experience; with hands on vector databases (Pinecone, pgvector or similiar) They are based in London with their engineering team ...

unstructured) Design the orchestration layer that gathers and evaluates evidence across heterogeneous systems Ship reliable, secure, observable production code Deploy and iterate on LLM-powered investigation flows (not just prototypes) Make smart build vs buy decisions and own the trade-offs This isn’t a feature factory. You’ll design … languages like Java, Kotlin, Scala, Python, C++, Rust or Go Experience designing external-facing APIs and working with messy, unstructured data Shipped AI/LLM systems beyond proof-of-concept Startup experience: comfortable in ambiguity, taken high ownership FinTech product experience Strong instincts on trade-offs, speed vs correctness Computer ...

causaLens delivers digital workers for analytics & data science, transforming the way enterprises automate complex analytics workflows. Our AI agents act as always-on digital workers, eliminating the need for fragmented tools, consultants, and seat licenses. ...

The NetMind.AI team has been delivering all-in-one enterprise AI solutions, from consulting to implementation, since 2017 in the UK & US. Our unique advantage lies in our foundational technology: a distributed AI platform that ...

A leading financial markets infrastructure company in Greater London seeks a Senior Product Manager to define standards for measuring AI-powered interactions across their market solutions. The successful candidate will establish evaluation frameworks, contribute to ...

Software Engineer | Hybrid/Remote | UK | 45-65k The Sunday Times Best Places to Work. Plus FT Award! This isn't your typical "we're changing the world" startup waffle. These folks are actually ...

Developer for a major pharmaceutical company on a remote contract, outside IR35. The key skills required for this AI Python Developer role are: AI LLM Python AWS If you do have the relevant skills for this AI Python Developer contract, please do apply. ...

/ML (exceptional 3+ years considered) * Deep experience in fine-tuning + reinforcement learning * Experience shipping ML systems from research into production * Open-source LLM experience essential * Product-driven engineering mindset (Apple, LinkedIn, Amazon style environments ideal but must be willing to work in a start-up with large degrees … client details are handled confidentially and shared at the appropriate stage. Senior ML Engineer, Staff ML Engineer, Applied AI Researcher, Reinforcement Learning Engineer, LLM Fine-Tuning, PPO, DPO, GRPO, SFT, Open Source LLM, Llama, Voice AI, Speech AI, Conversational AI, AI Startup Jobs, Series D AI Company, London AI Jobs ...

systems . The Role You'll work on the core AI systems powering the platform, including: • Improving search relevance and ranking (precision & recall) • Designing LLM-powered NLP pipelines • Developing language models and NLP systems for production • Building and optimising large-scale search infrastructure • Developing agentic LLM workflows for complex research ...

Software Development Team Lead (Python/AI/LLM) Location: Stratford – Hybrid (2 days onsite per week) Rate: £650 per day – Outside IR35 Contract: 6 Months We are currently looking for an experienced Software Development Team Lead with strong Python expertise and experience with AI/Large Language Models (LLMs … direction Contribute hands-on to Python development when required Help design and build scalable and efficient systems Support adoption and integration of AI/LLM technologies Work closely with engineering teams to ensure best practices and high-quality code ...

Principal Consultant (AI Specialist), FT Strategies (12-month FTC) London About us FT Strategies is the specialist media consultancy of the Financial Times, one of the world’s most respected business media organisations. We are ...

A digital transformation consultancy in the UK is seeking a Managing Consultant to lead data and AI initiatives. This role requires expertise in Generative AI and large language models, alongside a strong background in customer ...

Python, AI, LLM, Front Office Trading, Docker, Kubernetes, AWS McGregor Boyall have partnered with a multi-strategy hedge fund scaling it's top performing team from 2025. The fund has launched a greenfield AI initiative to build LLM into their market execution and alpha generation. You will be working directly ...

My leading Tech firm client are looking for a talented and motivated individual to help lead their AI Engineering efforts as they embark on bringing a brand new product to the market. You'll define ...

Python, AI, LLM, Front Office Trading, Docker, Kubernetes, AWS McGregor Boyall have partnered with a multi-strategy hedge fund scaling it's top performing team from 2025. The fund has launched a greenfield AI initiative to build LLM into their market execution and alpha generation. You will be working directly ...

About This team is building the representation layer for how companies operate. They acquire sticky B2B software businesses and plug them into a shared AI operating system. The challenge is turning fragmented, messy data across ...

A forward-deployed pre-sales engineer who partners with the strategy and sales teams to design, build, and present AI-powered proof of concepts for clients. You will own the full technical arc of each ...

product features across web, backend services and data systems Designing APIs and integrating with hardware and energy data platforms Developing AI-enabled capabilities, including LLM-powered workflows and operational tooling Contributing to core supplier infrastructure such as billing systems, operational tooling, and internal platforms Working closely with founders and customers … shape the product direction Tech Stack Frontend: React, React Native, TypeScript Backend: Python, FastAPI, PostgreSQL Infrastructure: GCP, Terraform, Airflow AI: LLM integrations and AI-driven automation What They're Looking For Experience as a Full-Stack Engineer building production systems Strong engineering fundamentals and the ability to work across backend ...

Position: App Developer Location: Vauxhall/Stratford Day Rate: £600 p.d Outside IR35 Must hold active DV clearance A central government department is looking for an experienced App Developer to join a high-security programme. ...

Position: App Developer Location: Vauxhall/Stratford Day Rate: £600 p.d Outside IR35 Must hold active DV clearance A central government department is looking for an experienced App Developer to join a high-security programme. ...

AI Strategy & Digital Transformation Leader Based in London Permanent role We are seeking a high-calibre leader to fill a vacancy within our clients Digital & Technology Services leadership team. This role is designed for a ...

Founding GTM Engineer — NexaByte UK/Switzerland · Remote/Hybrid About NexaByte: The Architecture of Intelligence NexaByte is not another wrapper in an overcrowded AI market. We are a research-heavy company engineering the world ...

⌛ Type : Full-time 📍 Location : Hybrid, London UK (Min 2 days a week in Chancery Lane office) 💰 Compensation : Competitive salary 25 days annual holiday About Rainforest Builder Rainforest Builder is Africa’s leading forest restoration company ...

Hey! We're team Granola 👋 If you haven't already, you should check out what we're building, and why you should work here. We’re looking for an engineer who loves building products in ...

Are you ready to spearhead AI transformation at a leading British investment bank? In this pivotal role, you'll bridge business and technology, shaping the equities platform by translating complex needs into actionable solutions, automating ...