176 to 198 of 198 LLM Jobs in the City of London

Senior TypeScript Engineer - Remote Up to £110k Remote working Would you like the opportunity to work for a fast-growing start-up, currently looking for several Senior Fullstack TypeScript Engineers? You will be joining a dynamic product team, where you More ❯

Senior Mobile Engineer | E-Commerce Startup | £120k + Stock 📱 Senior Mobile Engineer - Join the founding engineering team 🛍️ Exciting E-Commerce Startup 📍 Central London - 2-3 days per week 💰 Up to £120,000 per annum + stock ⚙️ Stack: Typescript, React Native More ❯

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. Trusted by industry leaders like More ❯

Senior Full-Stack Engineer (TypeScript & LLM Integration) £80-110K + Equity A hugely exciting AI start-up is seeking several experienced Full-Stack Engineers to join a dynamic product team, focused on building innovative software powered by cutting-edge AI technologies. This is a unique opportunity for a passionate developer to contribute to an ambitious product and work at … Responsibilities Build and maintain web application features using TypeScript, React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and … communication Rapidly onboard to a modern TypeScript stack to support high-velocity feature development Required Qualifications Proven experience working in a unified codebase combining application logic and AI/LLM components Strong proficiency in building modern web applications with Next.js, tRPC, TypeScript, and Prisma Practical experience integrating with AI models such as ChatGPT or Gemini, including prompt engineering and API More ❯

Senior Full-Stack Engineer (TypeScript & LLM Integration) I am currently recruiting on behalf of a forward-thinking technology company that is pioneering the integration of AI into B2B software solutions. We are seeking a highly skilled Senior Full-Stack Engineer with a strong foundation in TypeScript and a keen interest in working with Large Language Models (LLMs). This role … to shape intelligent, user-centric features. Key Responsibilities Design, develop, and maintain web application features using Next.js and TypeScript Contribute to a monorepo encompassing both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI workflows using frameworks such as LangChain Design and optimize relational databases, particularly … adapt to a modern development stack and contribute to high-velocity feature delivery Required Qualifications Demonstrated experience working within integrated codebases that include both application logic and AI/LLM components Proficiency in React.js, Next.js , tRPC , TypeScript , and Prisma Strong understanding of MySQL , including schema design and performance optimization Practical experience integrating with LLMs, including prompt design and API management More ❯

Setting the technical direction for AI within the business Building initial systems and taking them into production What they’re looking for Strong background in AI, ML or NLP (LLM experience ideal) Comfortable working independently in high-ownership roles Experience shipping prototypes into production environments Interest in cybersecurity or complex problem spaces Why it matters This is the company’s More ❯

Machine Learning Engineer (LLMs & Agentic AI) - Positive Impact Start-Up An exciting opportunity has opened at a high-growth, early-stage edtech startup that’s already making significant strides in the sector. Backed by top-tier investors and with strong More ❯

Front-End : React, Tailwind Infra : Replit, Make.com (light no-code layer), AWS/GCP optional Requirements: Required 7+ years in full-stack development (strong back-end bias) Experience with: LLM APIs and context/state management (Claude, OpenAI, etc) Workflow engines like n8n or Make Designing secure multi-tenant SaaS products Scaling DBs and infra across real-time chat and More ❯

Machine Learning Engineer (Founding Team) - LLM Join an early-stage, stealth-mode startup on a mission to redefine the future with cutting-edge ML. Backed by top-tier investors and building something bold from the ground up. We're looking for a self-motivated, exceptional Machine Learning Engineer to work directly with the founders and CTO . This is a … and startup grit This is your chance to make a real impact. If you're ready to build something that matters - get in touch. Machine Learning Engineer (Founding Team) - LLM More ❯

be comfortable working at pace. High agency and an ability to take full ownership. Expert Python skills, but React and TypeScript would be preferred. Background working with Postgres databases. LLM prompt engineering experience. Any experience with LLM evaluation frameworks would be a nice bonus. Ideally, experience building products from 0-1 (super cool side projects are fine). The company More ❯

Stack Engineer, proficient in Typescript, Node and React to join growing teams of cross functional engineers, working on everything from external facing applications, internal development tools and AI/LLM models for environmentally conscious groups across the world. If you are a Full Stack Engineer looking to join a thriving and talented engineering team, working on solutions to help organisations More ❯

were early backers of companies like Stripe and Airbnb. We’re building in a modern stack (TypeScript, Next.js, Vercel, Supabase/Postgres, Tailwind), blending powerful agentic AI architectures, curated LLM pipelines, quantitative methods and robust SaaS foundations. We’re looking for Founding Engineers who: Are deeply curious and passionate about building products users truly love Get frustrated when things don More ❯

Join us an AI Engineer at Peregrine Resourcing. At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations More ❯

At Kavida AI, we’re leveraging cutting-edge advancements in AI and LLMs to revolutionize supply chain operations in manufacturing. The AI boom is real, and we’re at the forefront of bringing this innovation to an industry rooted in More ❯

Software Engineer - TS, React, Next.js, Node Up to £80k Remote working Would you like the opportunity to work for a fast-growing start-up, currently looking for several Fullstack TypeScript Engineers? You will be joining a dynamic product team, where More ❯

Job description: I'm looking for a skilled AI/ML engineer to join as co-founder and lead technical development for a stealth startup in the productivity AI agentic space. We're building agents that handle complex, multi-step More ❯

Software Test Engineer (LLM/Ai) London - Hybrid £40,000 - £50,000 + Full Training + Hybrid + Progression Are you from a software/mathematics background with a keen interest in AI and Large Language models that wants to work a for an exciting scale that is at the forefront of AI in Medtech? Do you want to join … now have a large client base. The ideal candidate will have experience in software, mathematics and a keen interest in AI and Large Language Models. The Job: Dealing with LLM generated outputs Running different tests to check the systems accuracy Trouble shooting problems that are identified Take on board training from industry experts The Person Background in software or mathematics … and a interest in AI/LLM Willingness to be trained by industry experts Based in London Reference: BBBH20125 Keywords: IT, Software Testing, Hybrid, Audit, Data, Ai, LLM, London, Essex, Crawley, Performance Testing If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV. We are an equal opportunities employer and More ❯

Manager Our Mission We help companies navigate an increasingly complex global landscape by providing clear insights into how world events impact their business operations. Permutable leverages cutting-edge large language model frameworks to automate critical business intelligence tasks including data pipeline management, business relevance assessment, market analysis, and predictive forecasting. Product Manager We are looking for a talented up and More ❯

Ensure alignment with UK academic standards Collaborate with instructional designers and product teams for digital content development. Participate in content quality assurance, annotation, and data labeling for AI/LLM projects. Stay updated with new trends in STEM education and digital learning tools. Preferred Qualifications: Experience developing online learning content or using digital educational platforms. Familiarity with Large Language Models More ❯

Full Stack Engineer (£70 000 - £90 000) In the world of SaaS, many companies are focused on building features, patching together integrations, and "experimenting" with AI wrappers or chatbots to please their VC investors. However, one forward-thinking company is More ❯

We’re working with an AI infra startup on their search for a Founding Engineer. They’re building a unified platform to manage, scale, and optimize LLM inference across 200+ providers. This is a rare chance to join early and help shape the foundation. You’ll work directly with the founders, build core systems in Go, and have significant influence More ❯

o cutting-edge work , but also accelerated progression , given the team’s lean structure and its current growth phase. Requirements E&W Qualified Lawyer, qualified between 2021 and 2023 (LLM in the US would be desireable) Strong academics Part of a leading team in London Data Protection & Privacy experience (exposure in the tech industry, government tech regulation, and data protection More ❯

🚀 Founding Full-Stack Engineer (Hybrid, London) I am looking for a Founding Engineer to join an AI startup on a mission to streamline the complexity of building in the real world. You will be a hands-on Full-Stack Engineer More ❯