Data Scientist

Your Responsibilities:

  • Explore, clean, and analyse large, complex datasets to uncover patterns, trends, and opportunities that drive actionable insights.
  • Develop, train, and validate machine learning, statistical, and predictive models that solve real business problems and deliver measurable impact.
  • Design and run experiments (A/B tests, hypothesis tests, simulations) to evaluate ideas, quantify outcomes, and guide decision‐making.
  • Collaborate with data engineers, analysts, product managers, and domain experts to translate business requirements into well‐defined modelling tasks.
  • Build end‐to‐end ML pipelines—from feature engineering and preprocessing to deployment‐ready model outputs.

Essential skills/knowledge/experience:

  • Hands-on experience with GenAI, Gemini or Open source LLMs and develop GenAI applications for Code Translation, Text Extraction, Summarisation and SDLC Optimization etc.
  • Hands-on Experience with AI Agents, Chat bots, RAG (Retrieval-Augmented Generation), and vector databases. ( PG vector / croma DB )
  • Hands-on Experience with GenAI Performance Evaluation tools like Pegasus, Ragas, DeepEval
  • Create Conversational Interface with React JS or other Frontend components, Develop and deploy AI agents using LangGraph and ADK, A2A, MCP
  • Strong programming skills in Python (experience with LangChain/LangGraph / LangSmith frameworks) and TypeScript ( preferable )
  • Solid understanding of LLMs, prompt engineering, and graph-based workflows.
  • Knowledge and implementation of Input and Output guardrails in addressing Hallucination, PII filtering, HAP and Bias etc.
  • Implemented security best practices, Experience to address spikes and Denial of wallet attacks, DDoS attack and other Spike arrest strategies

Job Details

Company
Vallum Associates
Location
City of London, London, United Kingdom
Posted