Senior Product Engineer (Python/Go) – Production Agentic AI Systems

owen thomas | b corp™ • United Kingdom

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AI Summary

Join a high-growth B2C start-up to design, build, and scale production-grade AI agentic systems using Python and Go. Own end-to-end product development, architecture, and AI integrations while driving impact in a fast-paced, autonomous engineering environment. Requires 3+ years of backend engineering experience with Python/Go and hands-on LLM/AI production experience.

Key Highlights

Technical ownership of backend services, AI agent workflows, and production-grade LLM integrations

Highly competitive compensation (£100k–£200k + equity) with clear career progression

Visa sponsorship and relocation support for London-based role

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Key Responsibilities

Design and build scalable backend services using Python and Go for production AI systems

Develop and deploy agentic AI workflows, LLM integrations, and retrieval-augmented generation (RAG) systems

Own end-to-end features from initial architecture to production deployment, ensuring reliability and performance

Collaborate with cross-functional teams to define and implement AI-driven product solutions

Technical Skills Required

Python Go Agentic AI Systems

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Benefits & Perks

£100,000–£200,000 base salary + meaningful equity

Visa sponsorship

Relocation support

Comprehensive benefits and professional development

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Nice to Have

Django

Google Cloud Platform (GCP)

Terraform

Celery

Multi-agent systems

LLM evaluation frameworks

Job Description

The Opportunity

We're working with a well-funded, high-growth technology start-up, with global presence, that's making a significant investment into its engineering team in London.

They're looking for exceptional Product Engineers with strong backend experience who want to work on technically challenging problems at the intersection of Software engineering, Product ownership and AI.

The business is already generating revenue, has an established product in production and is now entering an exciting period of growth.

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