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Founding AI Platform Engineer

Atarusgroup — United Kingdom · Posted ~3 hours ago

Senior Full-time Onsite

Skills

Python backend engineering LLM agents RAG AI systems development API development FastAPI PostgreSQL Temporal LLM Agents

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Summary ✨ AI‑Generated

A founding engineering role building infrastructure for AI-powered applications. The position involves creating production AI architectures, backend services, evaluation systems, and developer workflows using modern AI and cloud technologies.

Highlights

Early-stage opportunity with significant ownership, equity potential, and the chance to build foundational AI infrastructure while working across backend, AI, and platform engineering.

Description

🚀 Founding AI Platform Engineer 📍 London | Onsite 💰 Competitive + Founding Equity We’re working with an early-stage AI company building infrastructure that connects trusted industry data with AI agents, initially focused on renewable energy. They already have paying customers and meaningful revenue and are now hiring a Founding AI Platform Engineer to help build the technical foundation alongside the founders. You’ll own 👇 • Production AI agent architectures — RAG, retrieval, routing & tool use • Backend systems and APIs powering the platform • Evaluation, observability and reliability of AI systems • Developer tooling, CI/CD and AI-native engineering workflows Looking for 🧠 Strong Python/backend engineering experience with hands-on production experience building LLM agents, RAG or AI-powered systems. You should be comfortable working across backend, AI and infrastructure rather than sitting in one narrow lane. Stack ⚙️ Python • FastAPI • PostgreSQL • Temporal • LLM Agents • RAG Why join? Genuine founding-level ownership, direct access to the founders, active customers, meaningful equity and backing from Visionaries Club + Google DeepMind leaders. If you want to build an AI platform from the foundations up rather than join after all the interesting decisions have been made, drop me a message.