Staff & Principal SaaS jobs in the United Kingdom
On-site, hybrid and remote roles at SaaS companies hiring in the United Kingdom.
Machine Learning Fellow – Human Frontier Collective (UK)
Staff Software Engineer, AI Reliability Engineering
Staff Software Engineer, Inference
Staff Product Manager, GTPN
Staff Software Engineer – Backend
Staff+ Software Engineer, Safeguards Infrastructure
Staff AI Product Manager
Staff Software Security Engineer
Senior Staff Software Engineer – Delta
Staff Product Engineer, AI
Legal Fellow – Human Frontier Collective (UK)
Finance Fellow – Human Frontier Collective (UK)
Medical Fellow – Human Frontier Collective (UK)
STEM Fellow – Human Frontier Collective (UK)
Staff Machine Learning Scientist
Staff Product Engineer
Principal Engineer
Top SaaS companies hiring in the United Kingdom
All 19 companies →United Kingdom jobs by function
About these roles
Staff & Principal SaaS jobs in the United Kingdom
These are open roles at SaaS companies in the United Kingdom, across engineering, sales, marketing, product and every other team. Many companies list several offices or combine office and remote options in one posting, so a role can appear under more than one location.
Pay depends heavily on level and location. Where companies publish a range, the typical role on this page lists £325k–£390k in the UK (median published minimum and maximum). About 25% of the roles here include a salary; use Salary listed first to see those at the top.
19 SaaS companies are hiring for these roles right now, led by Scale AI, Anthropic, and Intercom.
Questions about Staff & Principal SaaS jobs
Where do these Staff & Principal SaaS jobs come from?
Every job is pulled from the company’s own hiring system (Greenhouse, Lever, Ashby or Workable) 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 25% 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.
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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