AI/ML工程师

The company is seeking an AI/ML Engineer to own and evolve the intelligence layer behind Lily. The role works across LLM orchestration, prompt engineering, agentic AI systems, model evaluation, and data pipelines to make the AI co-pilot faster, safer, and more autonomous.

3+ years of experience in applied ML/AI engineering (not purely academic/research). Strong hands-on experience with LLMs in production: prompt engineering, fine-tuning, evaluation, and orchestration (e.g. LangChain, LlamaIndex, or custom pipelines). Experience designing or building agentic systems – multi-step reasoning, tool use, planning, and autonomous task execution. Proficiency in Python; experience with Django or FastAPI is a plus. Practical understanding of RAG architectures, embedding models, and vector databases. Experience building evaluation frameworks and automated testing for AI systems. Familiarity with cloud infrastructure (GCP preferred) and CI/CD pipelines. Strong communicator who can collaborate across engineering, product, and compliance. Comfortable working in a fast-moving startup environment with high autonomy. Based in the UK with the ability to work from the London office 3 days per week.

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Calyptus is a startup focused on developing AI-driven financial tools to assist users in personal finance management.

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