StackOne

AI integration infrastructure, London

Integration infrastructure connecting AI agents to enterprise SaaS systems. It raised $20m in its Series A in May 2025. It has 5 roles open, 3 of them in the UK.

Backed by Episode 1, GV, Workday Ventures and XTX Ventures.

On the Home Office register of licensed visa sponsors.

109 daystypical age of an open role
3roles open for more than 60 days
1roles taken down since we started tracking
40%of roles list a salary

Open roles

5 live today

Founding Account Executive
Remote (PT timezone); San Francisco (remote)
Licensed to sponsor visas
$110k–$160k1 Oct 2026Apply
Sales Development Representative
San Francisco (remote)
Licensed to sponsor visas
$70k–$85k14 Sept 2026Apply
Account Executive
London (hybrid)
Licensed to sponsor visas
Salary not listed16 Jul 2026Apply
Senior Platform Engineer
London (hybrid)
Licensed to sponsor visas
Salary not listed1 Jun 2026Apply
Security Engineer
London (hybrid)
Licensed to sponsor visas
Salary not listed20 May 2026Apply

Open roles over time

Hiring momentum

Roles per week

Added (by posting date)Closed (removed from the board)In the news (hover for headline)

Open roles by function

Sales & Partnerships3 Engineering1 Security1

Open roles by team

As the company labels them

Sales3

Engineering2

In the news

Otherquasa.io, 28 Jul 2026
StackOne Review + How to Earn QUA on Quasa
Profiles & interviewsUnite.AI, 23 Jun 2025
Romain Sestier (CEO) & Guillaume Lebedel (CTO), Co-Founders of StackOne – Interview Series
FundingEU-Startups, 6 May 2025
British AI startup StackOne raises €17.6 million to reinvent SaaS and AI agent integrations