GenAI Data Scientist: LLM/RAG Production & Impact

Infosys Consulting; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Infosys Consulting is seeking a Data Scientist to design and deliver GenAI solutions (LLM/RAG) and applied ML components. You will produce production-ready pipelines, quantify value, and collaborate with data engineers, analysts, and business stakeholders to turn data into actionable insights that drive client outcomes.

The role emphasizes governance, observability, and cross-functional teamwork, with opportunities to mentor others and shape solution direction across enterprise projects.

Qualifications

• Strong Python/R (pandas/NumPy; ML libs such as scikit-learn; DL frameworks TensorFlow/PyTorch).
• Experience with LLM/RAG toolchains (e.g., LangChain, LlamaIndex, Semantic Kernel) and vector search (e.g., Pinecone, Weaviate, FAISS, Azure AI Search).
• Hands-on experience with AWS Bedrock and Sagemaker would be highly desirable
• Experience with GenAI platforms (e.g., OpenAI API, Anthropic, Gemini, Llama or equivalents).
• Exposure to big data/distributed computing and pipeline/feature engineering.
• LLM safety & governance (hallucination mitigation, grounded responses, audit trails)
• Degree in a quantitative field
• Hands-on exposure in building models and setting up ML Ops using Promithius/Grafana etc.

Responsibilities

• Design and deliver GenAI solutions including LLM/RAG for enterprise use cases.
• Evaluate and improve solution quality using offline/online metrics and iterate based on feedback.
• Harden solutions for production with observability, monitoring, tracing, guardrails, safety controls.
• Build and integrate model endpoints into products and workflows, partnering with engineering.
• Work across cloud platforms (Azure/AWS/GCP) integrating storage, compute, orchestration, and model/runtime components.
• Assess data readiness for modelling/RAG and define remediation requirements.
• Collaborate in cross-functional squads and contribute to reusable assets and ways of working.
• Communicate clearly with stakeholders on trade-offs, evaluation results, risks, and adoption actions.
• Own end-to-end workstream delivery, lead stakeholder conversations, mentor others.

Skills

Python/R

LLM/RAG toolchains

Vector search

AWS Bedrock/Sagemaker

GenAI platforms

Big data / distributed computing

ML Ops

Education

Bachelor’s degree in a quantitative field

MSc or PhD a plus

Tools

LangChain

LlamaIndex

Semantic Kernel

Pinecone/Weaviate/FAISS

Job description

Infosys Consulting is seeking a Data Scientist to design and deliver GenAI solutions (LLM/RAG) and applied ML components. You will produce production-ready pipelines, quantify value, and collaborate with data engineers, analysts, and business stakeholders to turn data into actionable insights that drive client outcomes.

The role emphasizes governance, observability, and cross-functional teamwork, with opportunities to mentor others and shape solution direction across enterprise projects.