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The AI Engineer will train LLMs and VLMs from scratch, optimise distributed GPU systems, and contribute to new architectures including Mixture-of-Experts and multimodal pipelines. You’ll work closely with a small team of world-class engineers on one of the most technical problems in AI. Train LLMs

Track record of building and maintaining systems that handle significant user load. Mentor junior engineers and contribute to a culture of engineering excellence. This is a new role working closely with our hands-on Technical CEO and other Full Stack Engineers to architect and scale our platform as

Senior Full Stack AI/ML Engineer. This role focuses on taking AI models built by a third-party provider and turning them into. Deploy and operationalise AI/ML models into live production environments.

As a Lead AI Engineer in our Artificial Intelligence Group, you will be working on our Mentor line of products. A proven low-code foundation combined with agentic AI and AI app generation capabilities empowers teams to move up to 10x faster with the assurance of security, scalability, and governance

Founding AI Engineer – Early-Stage AI Startup (UK/US). Collaborate with product and engineering to turn business problems into AI solutions. Their mission: to make enterprise AI accessible, actionable, and transformative, helping companies unlock insights from complex data in real-time.

Are you ready to help world-leading enterprises deploy cutting-edge AI at scale? We’re looking for an AI Infrastructure Engineer to join a pioneering AI company that’s transforming the way businesses operate. Bonus points for personal AI projects or agentic AI experience. AI Engineer (Infrastruc

We are looking for an AI engineer who wants to become the world’s expert in AI memory and context engineering. You should also be able to blend the long term thinking necessary in AI research with the urgency required for a startup to maintain the lead. We are building the infrastructure enabling

Our client is a London-based startup that builds the GenAI platform that will bring the legal sector into the AI age and future proof, and expand their revenue opportunities. The Role: AI/ML Engineer – Agentic Systems. Integrating external APIs and internal data pipelines into intelligent, maintai

AI Engineer – Building the Future of Healthcare AI. Understanding of scalable architectures and modern AI techniques. Healthcare or pharma domain experience.

Linda AI builds autonomous healthcare agents that handle these workflows end-to-end, over voice, with the reliability and context clinical environments demand. We move together, communicate openly, and expect everyone to raise the bar for each other. We expect engineers to think deeply, bring pers

We’re looking for AI engineers who care about impact: people who want to see their models not just trained, but deployed, adopted, and driving measurable results. Experience collaborating with engineering teams to ensure scalable and maintainable deployment. While we are embedded within a global i

This is still a heavily focused AI job, you'll be hands on with the AI solutions and the build into production, but the great part is that you don't have to be as strong on the AI side as the true AI Engineers, your key impact will come on the Python side. You'll be joining a team of AI Engineers wh

You have 2+ years of hands-on experience building production applications, with at least 1 year as an AI Engineer or ML Engineer shipping AI products and features. TalentCo are delighted to be partnering with an established PE-backed tech company looking to hire several high-calibre AI Engineer into

As a Senior AI Engineer, you will transition from AI theory to solving tangible, high-scale engineering challenges. Extensive ML engineering experience with a deep understanding of LLM architecture, training and fine-tuning (you don't just call APIs). Monitor product performance across major search

A pair of second-time founders who have already built and exited successful ventures are assembling a new elite engineering team for their next AI startup. They’ve secured top-tier backing (8 figures), built early traction with thousands of users and are now searching for exceptional Founding Engi

I am working with a high growth AI company that is building and delivering production grade AI and automation systems for large, complex organisations. They are looking to hire a Lead AI Solutions Engineer to play a central role in how solutions are designed, structured, and delivered. The Lead AI S

Mentor junior engineers and set best practices for AI/ML infrastructure. Direct Impact: Build AI tools that traders and quants use daily to optimise strategies. Demonstrable experience applying GenAI concepts to front-office/capital markets environments.

Lead Machine Learning Engineer – Conversational AI Platform. We’re partnering with a pioneering technology business that’s redefining how humans interact with AI at scale. You’ll lead a small, highly skilled team while remaining deeply involved in coding and problem-solving.

The Lead AI Engineer will architect and productionise advanced LLM/RAG systems, design agentic workflows, own evaluations and guardrails, and integrate AI modules into a scalable enterprise-grade platform. Backed by senior ex-consulting and enterprise technology leaders, they’ve already built a fu

As a Senior Product Engineer, you’ll take ownership of one of their core AI products, leading a small, talented engineering team while staying hands-on with code. Lead a product engineering team building AI-powered tools that make a measurable social impact. You’ll shape architecture, mentor eng

The AI Engineer will support delivery of AI use cases, workflows, analytics and solutions - responsible for tasks such as pattern recognition, MLOps, software development, neural networks, and natural language processing on a day-to-day basis. This is a full-time hybrid role for a Financial Services

Applied AI Engineer | London 🚀. Build and ship production AI systems including RAG pipelines and AI agents. One of the fastest moving AI startups in London, backed by some of the world’s top VCs and founded by real entrepreneurs with multiple exits 💸.

Contribute to best practices for AI/ML infrastructure and mentor junior engineers when needed. Direct Impact: Build AI tools that traders and quants use daily to optimise strategies. We’re hiring a hands-on AI Engineer (AVP level) to help shape the future of our Dart platform, a critical infrastru

Designing, implementing, and maintaining AI/ML models to analyse blockchain data at scale. Our client, a blockchain analytics scale-up, is looking for a Senior AI/ML Engineer to join their expanding team. Staying on top of developments in AI, ML, and blockchain - and experimenting with new technique

Software/ application engineering, AI engineering, or applied data engineering. Our client are a private equity backed firm who are looking for a Deep AI/Agentic Engineer to lead the design and delivery of the organisations complex AI-native engagements, from agentic systems to semantic layers. Expe

Python/C++，掌握PyTorch/TensorFlow等框架；.Triton, cutlass，能根据业务需要写出高效算子；.

Shape the company’s AI trajectory by developing AI solutions to solve high-stakes problems. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer Vision, and Reinforcement Learnin

We’re hiring for a founding AI Engineer to join a startup building AI agent infrastructure for regulated industries. They are a Seed stage company backed by a Leading London VC and you will work closely with the CTO who is a previously exited AI Founder. Build and fine-tune AI models (LLMs and tra

We’re working with a fast-growing technology company transforming a highly traditional global industry through advanced AI and computer vision. The opportunity: Staff Software Engineer. This is a rare opportunity to join a small, high-calibre engineering group as a founding member of a newly estab

As an AI Engineer, you will contribute to designing, developing, and implementing AI-driven solutions. Northell partners closely with clients to tailor AI-driven solutions for their unique challenges. This is a full-time hybrid role for an AI Engineer, based in Greater London with opportunities to w

Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote. Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote. React, TypeScript, Python, AI/LLMs.

They are looking for a senior AI-focused engineer to act as a central force in shaping and executing their AI strategy, helping the organisation transition into a truly AI-enabled business. If you are interested in this or other AI Engineer positions, please contact Gilad Sabari @ gilad. You will ow

We’re working with an early-stage technology company building a new platform at the intersection of software infrastructure and modern AI-enabled development. The product is still early, but already seeing strong traction with demanding customers, and the company is now investing heavily in buildi

We are seeking an AI Engineer with expertise in building scalable, production-grade systems and a passion for AI/LLM technologies and innovation. Design and implement AWS-based cloud infrastructure using infrastructure-as-code approaches and maintain CI/CD pipelines for reliable deployment and testi

An exceptional opportunity for an AI Software Engineer / Knowledge Graph Specialist, to join an early stage start-up, building a workflow and intelligence platform powered by agentic AI, multimodal analysis and domain-specific insight. AI Software Engineer, GraphRAG, TypeScript, AWS, COR7427. The AI

You’ll mentor junior engineers, help strengthen a values-driven engineering culture, and play a key role in shaping product direction and driving large-scale business impact. Design, implement, and maintain reliable ML pipelines and production-ready architectures. Collaborate with cross-functional

AI EngineerManchester BasedHybrid Role We're seeking a pragmatic and highly skilled AI Engineer to join a fast-growing FinTech company as their first dedicated AI hire. This is an AI engineering role focused on creating the secure infrastructure that enables enterpr. This is a rare opportunity to bu

Senior Software Engineer/ Outside IR35 Contract/ Java/ AI / LLM Title: Senior Software Engineer AI First (Java/ AI/ LLM) Contract: 6 months Outside IR35 Location: London (hybrid) Pay: £500-£600 p/d Digital Transformation. Senior Software Engineer/ AI First, Outside IR35, Contract/ Java/ AI / LLM

Founding AI Engineer – Early-Stage AI Startup (UK/US) We’re partnering with a cutting-edge, VC-backed AI startup that is redefining how businesses leverage artificial intelligence to drive smarter decisions. They’re looking for a Founding AI Engi

AI/ML Engineer (Generative AI / LLMs) Location: Fully Remote (UK-based) The Role We’re hiring a Senior Machine Learning Engineer to lead the d

Build and maintain features across our web app (Next. Work with AWS services to deploy and maintain our infrastructure. About Medly AI Were the fastest growing EdTech startup in London, on a mission to change education forever.

We’re hiring a hands-on AI Engineer (AVP level) to help shape the future of our Dart platform, a critical infrastructure that supports Quantitative and Strat developers in building next-generation trading solutions. What You’ll Do You’ll design, build, and innovat

Senior AI Engineers - Generative AI & Information Retrieval 💼 Hybrid London (1–2 days/week onsite)💰 Up to £130k + Equity + Benefits We’re hiring

React Native) Design and optimize our Python backend for high performance and reliability at scale Lead database architecture decisions and optimize Postgres for growing data volumes Own critical infrastructure on AWS, ensuring high av

A leading AI company in Greater London is seeking to hire engineers focused on building highly performant AI agents crucial for business growth.

Lead and shape the long‑term AI engineering vision, defining architecture, frameworks, and standards for how AI is built, deployed, and governed at Nscale. AI engineering, including extensive hands‑on experience designing and deploying production‑scale AI systems. Lead a world‑class AI engin

A leading risk management platform provider in the UK seeks a Senior Solutions Engineer to ensure the successful implementation and management of enterprise customer relationships. Offering a fully remote position, generous annual leave, and a comprehensive benefits package, this role aims to enhanc

We have been using GenAI in live, customer‑facing environments since 2022, including one system that creates tens of thousands of high‑quality emails for our Energy Specialists, combining our deep knowledge of the energy industry and the Octo communication style with customer‑specific data fro