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# ai full stack engineer.

- **Company:** Randstad UK
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Cloud Computing, Cloud Engineering, Python (Programming Language), Large Language Models, Multi-Agent Systems, Prompt Engineering, Virtual Agents, Microservices
- **Published:** July 18, 2026
- **Apply:** https://www.randstad.co.uk/jobs/ai-full-stack-engineer_london_47149036/

## About the Role

* Engineering Foundation: Strong Python full-stack background with deep expertise in microservices, asynchronous events, and containers.
 * AI Expertise: Direct experience using LLM APIs (Gemini, OpenAI, Claude), context windows, and prompt engineering.
 * Cloud Architecture: Mandatory Google Professional Cloud Architect certification with a strong understanding of GCP services.

## Description

In this role, you will focus on building production-grade Agentic AI platform architectures. Working within an agile team, you will bridge advanced LLM capabilities with enterprise systems to deploy scalable, multi-agent workflows. ...
Your Impact

 * Agentic Innovation: Build multi-agent systems and stateful workflows using Google ADK, LangChain, or LangGraph.
 * System Guardrails: Implement fallback logic, circuit breakers, and structured outputs via Pydantic to maintain safety and control hallucinations.
 * API Delivery: Securely design Python-based APIs and microservices optimized for LLM tool calling.
 * Observability: Establish automated prompt testing, token optimization, and system tracing to evaluate agent reasoning.


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