Job Overview
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Role: AI Full Stack Engineer (AI & ML Engineer)
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Location: Fenchurch Street, London
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Duration: Oct 12, 2026 - Dec 15, 2026 (9 Weeks, 2 Days)
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Hours: 40 hours/week
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Rate: 291 PAYE / 388 Umbrella
Core Technical Stack
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Programming & APIs: Python, RESTful API development, JSON Schema, Pydantic.
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AI & LLMs: Gemini, OpenAI, Claude.
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Frameworks & Orchestration: Google ADK, LangChain, LangGraph.
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Data & Search: AWS OpenSearch (Indexing and Vector embeddings - Highly emphasized), Database Architecture (Intermediate).
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Infrastructure: Public Cloud (GCP, AWS, or Azure), containerization, CI/CD pipelines.
Key Responsibilities
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Agentic Systems: Build multi-agent, stateful, and asynchronous workflows.
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LLM Management: Handle prompt engineering, context/memory management, hallucination controls, guardrails, and fallback logic.
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Observability: Implement tracing and evaluation frameworks, specifically utilizing LLM-as-a-Judge patterns.
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Backend Engineering: Develop secure Python APIs and maintain strong testing and deployment disciplines.
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AI Full Stack Engineer in London employer: Randstad Technologies
As an innovative Original Equipment Manufacturer based in Salisbury, we pride ourselves on fostering a collaborative and dynamic work environment that encourages creativity and technical excellence. Our commitment to employee growth is reflected in our comprehensive training programmes and opportunities for advancement within the rapidly evolving field of Uncrewed Aerial Systems. With a hybrid working model and a focus on cutting-edge technology, we offer a unique chance to contribute to safety-critical projects while enjoying a supportive and flexible workplace culture.
