Senior AI Platform Engineer – Next-Gen B2B Support

Company: Plain
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Job Description:

A cutting-edge AI platform provider in the United Kingdom is looking for a Senior Product Engineer to own and build AI features. You will design backend services and APIs essential for AI integrations and scalability. This role requires substantial experience in backend development and AI product shipping. Candidates should have strong skills in LLM orchestration and a focus on user impact over technical elegance. Join us to shape the future of customer support powered by AI.#J-18808-Ljbffr…

Posted: February 28th, 2026