SaaS AI & ML Engineer jobs in the United Kingdom
AI engineer, machine learning engineer, applied scientist and AI research roles at SaaS companies.
Principal Architect AI
Applied AI Architect, Industries
ML Ops Engineer
ML Ops Lead
Researcher, Frontier Risk Mitigations
Researcher, Recursive Self-Improvement Safety
Staff Applied AI Engineer
Technical Program Manager, AI Delivery for Public Sector & Defence, UK
Principal Architect – AI
Research Engineer, RL Scaling Science
Senior Director, Data Platform and AI
Researcher, Training – London
Regional Research Economist, Economic Research
Principal Data Scientist – AI
Research Advisor – Human Frontier Collective (UK)
Research Engineer, Machine Learning (RL Velocity)
AI Infrastructure Engineer
Principal AI/ML Scientist & Engineer
AI Transformation Architect
Applied AI Engineer, Codex Core Agent
Research Engineer, Pretraining
Machine Learning Fellow – Human Frontier Collective (UK)
Research Engineer, Machine Learning (Reinforcement Learning)
Staff Software Engineer, AI Reliability Engineering
Top companies hiring for AI & ML Engineer
All 14 companies →Remote AI & ML Engineer jobs by region
AI & ML Engineer jobs by country
AI & ML Engineer jobs by level
About these roles
AI & ML Engineer jobs at SaaS companies
AI and machine learning engineers build the models and systems behind AI features: training and fine-tuning models, retrieval and evaluation, inference infrastructure and agents built on large language models. Research roles at AI labs focus on new methods, alignment and safety.
For what SaaS companies pay AI & ML Engineer roles by level, location and company, see the AI & ML Engineer salary guide.
Pay depends heavily on level and location. Where companies publish a range, the typical role on this page lists £260k–£390k in the UK (median published minimum and maximum). About 34% of the roles here include a salary; use Salary listed first to see those at the top.
14 SaaS companies are hiring for these roles right now, led by Anthropic, Anaplan, and OpenAI.
Questions about SaaS AI & ML Engineer jobs
Where do these SaaS AI & ML Engineer jobs come from?
Every job is pulled from the company’s own hiring system (Greenhouse, Lever, Ashby, Workable or Rippling) once an hour. We do not accept paid or reposted listings, so each role links back to the company’s live careers page.
What happens when I click Apply?
You go straight to the job on the company’s careers site and apply there. We never host applications and never see or store your details.
Why don’t all jobs show a salary?
We only show pay when the company publishes it in the job post. Around 34% of the roles on this page include a range today. Sort by “Salary listed first” to see those roles at the top.
How do I know a job is still open?
We check every company’s job board hourly. When a role is removed from the careers page, we remove it here within the hour and point you to similar open roles.
How much do SaaS AI & ML Engineer roles pay?
Where companies publish a range, the typical open role here lists £260k–£390k in the UK (median published minimum and maximum). Pay rises with level and varies by location; the AI & ML Engineer salary guide breaks it down.
Are all of these roles based in the United Kingdom?
Each role has at least one office or hiring location in the United Kingdom. Some postings list several countries or also allow remote work; the location chips on each job show the full picture.
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