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This job expired on 05/10/2026. It no longer accepts applications.
AI Engineer
Oscar Technology · London
Job description
About the role
Build the AI systems our users actually experience. We are seeking a dynamic AI Engineer with 5+ years experience to design, build, and deploy autonomous, user‑facing AI solutions that operate reliably at scale.
Key responsibilities
- Own AI solutions end‑to‑end, from concept through production and ongoing optimisation.
- Architect LLM‑powered applications, multi‑agent workflows and autonomous systems.
- Orchestrate LLMs via 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.
Required profile
- 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 and familiarity with Java or Kotlin, plus solid API design experience.
- Hands‑on experience with LangChain, LangGraph and LLM APIs such as OpenAI or Anthropic.
- Skilled in prompt engineering and orchestrating AI agents or chatbots.
- Experience with cloud AI services (Azure preferred), Docker, Kubernetes, CI/CD pipelines and monitoring.
Required skills
- Python
- Java
- Kotlin
- API design
- LangChain
- LangGraph
- OpenAI API
- Anthropic API
- Prompt engineering
- Azure
- Docker
- Kubernetes
- CI/CD
- Monitoring
- Vector databases (OpenSearch, ElasticSearch)
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Oscar Technology
London
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