AI Engineer

Job in London, Greater London, W1B, England, UK

Listing for: Oscar Associates Limited

Full Time position
Listed on 2026-09-10

Job specializations:

Software Development
AI Engineer (Applied/Software), Machine Learning/ ML Engineer, AI Reliability/ Performance Engineer, Backend Developer

AI Engineer | £85, | Hybrid

Build the AI systems our users actually experience.

We're looking for a dynamic AI Engineer (5+ years) to design, build, and deploy autonomous, user-facing AI solutions - LLM-powered applications, agentic workflows, and intelligent systems that perform reliably at scale, not just in a demo.

What You'll Do

Own AI solutions end-to-end, from concept to production and ongoing optimization
Architect LLM-powered applications, multi-agent workflows, and autonomous systems
Orchestrate LLMs through advanced prompt engineering and fine-tuning
Deploy and monitor AI services in production, tracking quality, hallucination rates, and decision accuracy
Build scalable, cost-effective infrastructure with automated evaluation and fallback mechanisms
Ensure security, compliance, and rapid iteration based on user feedback

What You'll Bring

5+ years in AI/ML engineering or software development, with production AI deployment experience
Degree in Computer Science (or equivalent) with strong AI/ML/NLP foundations
Strong Python skills, familiarity with Java/Kotlin, and solid API design experience
Hands-on experience with Lang Chain, Lang Graph, and LLM APIs (OpenAI, Anthropic, etc.)
Skilled in prompt engineering and orchestrating AI agents/chatbots
Familiarity with ...

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