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Senior Data Scientist

Brighton, England, United Kingdom💼 Full-time🗓 2026-09-25 → 2026-09-26

Core

Designing, building, and shipping LLM and agent-based systems for a multi-agent conversational sales product to drive conversion.

Role type

Senior IC machine-learning engineer (agentic AI/LLM)

Builds

Production-ready agentic AI systems, retrieval pipelines (RAG, ranking, recommendation), and optimized language models.

Domain

Generative AI, Conversational Sales, Multi-agent Systems

Deliverable

production ML models

Required skills

LLM prompting and fine-tuning, agentic system orchestration (LangChain/LangGraph), vector search and hybrid search, NLP (entities, intent), statistics and ML theory, MLOps, Python, PyTorch

Preferred skills

Reinforcement learning, sales psychology

Technologies

AWS, Python, PyTorch, Docker, LangChain, LangGraph, Langfuse

Responsibilities

Designing and shipping LLM/agent systems from prototype to live product, building retrieval pipelines, training and optimizing models, defining success metrics via offline evals and monitoring, maintaining system dependability with testing and observability, setting code quality and data governance standards, mentoring team members.

Seniority

Senior, hands-on IC

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