A
London, London, United Kingdom· Full-time
AISapFinanceRecruitment
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Role overview
Job description
Plain is redefining customer support for the next generation of B2B companies. We’re building the fastest, most powerful platform to help companies move beyond reactive support and build true customer relationships. Some of the world’s most forward-thinking companies - like Cursor, Raycast, and Granola - trust Plain to unify all customer interactions, enable faster team collaboration, and supercharge their workflows with AI. B2B customer support is undergoing a seismic shift. AI is transforming the way companies engage with customers, shifting support from a siloed function to a company-wide effort across Slack, Discord, and any other channel you talk to customers in. The old way - slow, manual, and disconnected - no longer works. This role is hybrid with 3 days a week in our London office. What you’ll do We’re in a rare spot. Plain is already powering support for high-growth companies w
…About this listing
- Source: Plain's official careers site (via Ashby) · last confirmed on the source 2 Nov 2026
- Posted 10 Nov 2025
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Role market pulse
How Senior Product Engineer demand looks in United Kingdom
Live jobs
8
Posted 30d
5
30d movement
Early signal
Remote share
50%
Salary listed
25%
Salary trend 1Y
Not enough history
What they are looking for
Skills & requirements
Qualification
Have hands-on experience with LLM orchestration and LLM API optimization (costs, latency, etc) Are familiar with RAG architectures and technologies Have AI observability experience
Department · Engineering
Hiring company
Plain
Technology
Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.
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