ML / AI Jobs in United Kingdom
There are 648 open ML / AI jobs in United Kingdom on freehire right now. 182 of them were posted recently. The skills employers ask for most often are machine-learning, ai and python.
Salary
| Currency | Period | 25th | Median | 75th | Postings |
|---|---|---|---|---|---|
| GBP | year | £100,375 | £129,750 | £155,000 | 26 |
From postings that disclose pay. Currencies are counted separately, never converted.
Most requested skills
- machine-learning 92%
- ai 83%
- python 67%
- pytorch 44%
- cloud 43%
- llm 36%
- aws 31%
- tensorflow 28%
How the work is done
- Hybrid 206 · 32%
- Remote 114 · 18%
- Onsite 22 · 3%
Visa sponsorship offered in 66% of the 82 postings that state a position on it.
Seniority
- Senior 190
- Lead 68
- Principal 34
- Staff 32
- Intern 23
- C-level 16
Who is hiring
- 1000+ employees 45
- 501-1000 employees 41
- 51-200 employees 10
- 201-500 employees 4
- 11-50 employees 2
AI Safety Specialist - Fully Remote | Upto $22/hr
Fully remote contract role red teaming conversational AI models: running jailbreaks, prompt injections, and bias exploits, then annotating failures and producing reproducible reports and datasets. Requires fluent English and Punjabi plus prior red-teaming experience; pays $20-22/hour.
AI Safety Specialist - Fully Remote | Upto $22/hr
Fully remote contract role via Mercor: red-team conversational AI models and agents to find jailbreaks, prompt injections, and misuse, then annotate failures and document vulnerabilities. Requires fluency in English and Odia plus prior adversarial AI, cybersecurity, or socio-technical probing experience; pays $20–$22/hour.
AI Safety Specialist - Fully Remote | Up to $22/hr
Contract role red-teaming conversational AI models and agents to uncover jailbreaks, prompt injections, and bias exploits, then annotating failures and producing reports for clients. Requires native English and Odia fluency; fully remote at $16–$22/hour.
AI Safety Specialist - Evaluation Expert
Remote contract role reviewing AI-generated responses for safety, factual accuracy, and policy compliance, applying RLHF/SFT and benchmarking rubrics and flagging unsafe outputs to improve model alignment. Pay is $60–$70/hour.
AI Safety Practitioner - Fully Remote | Upto $70/hr
Fully remote contract role evaluating AI-generated responses for safety, factual accuracy, and policy compliance—reviewing sensitive content and applying RLHF/SFT evaluation rubrics to help improve model alignment for AI research labs. Pays $60–$70/hour.
AI Safety Practitioner - Expert Evaluator
Remote contract role at Mercor: evaluate AI-generated responses for safety, factual accuracy, and policy compliance. Day to day you review sensitive content, apply RLHF/SFT evaluation rubrics, flag unsafe or hallucinated outputs, and give structured feedback to AI researchers and safety teams.
AI Safety Expert - Red Teaming
Contract role red-teaming conversational AI models and agents for AI research labs: running jailbreaks, prompt injections and bias exploits, annotating failures, and producing reproducible reports and datasets. Requires fluent English and Swedish plus prior adversarial/red-teaming experience; fully remote at $48-62/hour.
AI Safety Expert - Bilingual
Remote contract role red-teaming conversational AI models and agents for AI research labs: finding jailbreaks, prompt injections, misuse cases, and bias; annotating failures and documenting reproducible attack reports. Requires native English and Telugu fluency; pays $16–$22/hour.
AI Safety Expert - Bilingual
Remote contract role via Mercor's talent marketplace: red-team conversational AI models and agents (jailbreaks, prompt injections, bias exploitation, multi-turn manipulation) and produce annotated safety data and reports for AI research labs. Requires native fluency in English and Punjabi; pays $16-22/hour.
AI Safety Expert - Adversarial ML
Contract role via Mercor: red-team conversational AI models and agents to find jailbreaks, prompt injections, misuse, and bias exploits, then annotate failures and document attack cases. Requires native English and Kannada fluency; fully remote at $16–22/hour.
AI Safety Expert - Adversarial ML
Contract role red-teaming conversational AI models and agents in English and Bengali — running jailbreaks, prompt injections, and bias exploitation, then annotating and documenting vulnerabilities. Requires native English/Bengali fluency; adversarial ML or cybersecurity experience is preferred.
AI Safety Expert - Adversarial ML
Contract role with Mercor red-teaming conversational AI models for AI research lab clients: finding jailbreaks and prompt injections, annotating failures, and documenting reproducible attack cases. Requires native fluency in English and Marathi; fully remote at $16–$22/hour.
AI Safety Expert - Adversarial ML
Remote contract role red-teaming conversational AI models and agents: probing for jailbreaks and prompt injections, annotating failures, and documenting reproducible attack cases for AI labs. Requires fluency in English and Telugu; pays $16-22/hour.
AI Safety Expert - Adversarial ML
Remote contract role red-teaming conversational AI models and agents to uncover jailbreaks, prompt injections, and misuse, then annotating failures and documenting reproducible attack reports. Requires native English and Assamese fluency; pays $16–22/hour with flexible, asynchronous hours.
AI Safety Expert - Adversarial ML
Remote contract role ($16–22/hr) red-teaming conversational AI models and agents to uncover jailbreaks, prompt injections, and bias exploits, then annotating failures and documenting attack cases for AI labs. Requires native English and Odia fluency; adversarial ML or cybersecurity experience is a plus.
AI Safety Expert - Adversarial ML
Remote contract role red-teaming conversational AI models and agents in English and Bengali — running jailbreaks, prompt injections, and bias exploits, then annotating failures and writing reproducible reports. Flexible hours, paying $16–$22/hour.
Machine Learning Engineer
Machine Learning Engineer at Faculty's London office, building and deploying production-grade ML systems, tools and infrastructure for clients, with a focus on the Life Sciences team serving pharma and MedTech. Core stack: Python, Scikit-learn/TensorFlow/PyTorch, cloud (AWS/Azure/GCP), Docker and Kubernetes.
Senior Machine Learning Engineer
Senior Machine Learning Engineer at Faculty (London) leading design, build and deployment of production-grade ML systems for clients of its Energy, Transition & Environment unit. Day to day: technical scoping, architecting scalable ML infrastructure, advising customers and mentoring engineers, using Python, TensorFlow/PyTorch, cloud platforms and Docker/Kubernetes.
Machine Learning Engineering Lead
MACHINE LEARNING ENGINEERING LEAD UP TO £125,000 LONDON This is an excellent opportunity for an experienced ML Engineering Manager or technical leader to join a high-growth fintech and take ownership of a growing…
Lead Software Engineer - Python, Cloud & AI/ML
JPMorgan Chase (Aumni) is hiring a Lead Software Engineer in London for its Markets Research Technology team, hands-on building secure, scalable cloud-native data and backend products with AI/ML at production scale, while leading best practices and driving AI-assisted development across teams.