Artificial Intelligence Tech Lead (H/F)

Tata Consultancy Services (TCS) is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys for over 55 years. As part of the Tata group, India's largest multinational business group - TCS has over 614,000 of the world’s best-trained consultants in 55 countries.

TCS France is serving over 80 customers (reputed brands and part of CAC40) in France for over 28 years with 1,500 employees with investments spanning across regions in an innovation center and multiple delivery centers. TCS France has delivered double-digit growth for over 5 years supporting customers in digital transformation, Data and cloud journeys.

About the role :

We’re hiring an AI Tech lead to design and productionize Generative AI solutions (assistants, Q&A, workflow automation) with a strong focus on RAG, fine-tuning, agentic systems, and orchestration in a cloud environment (AWS / Azure / GCP).

What you’ll do :

Build end-to-end GenAI applications (APIs/services, enterprise integration)

Design and optimize RAG pipelines (ingestion, chunking, embeddings, vector indexing, retrieval, reranking, grounding)

Implement agentic workflows (tool-calling, multi-step reasoning/execution) and orchestration (LangChain/LlamaIndex or equivalents)

Apply fine-tuning/adaptation when relevant (e.g., PEFT/LoRA), and define evaluation strategies

Productionize with LLMOps/MLOps: CI/CD, observability, monitoring, evaluation (quality, latency, cost), governance/guardrails

What we’re looking for (must-have) :

Experience in AI/software engineering (strong Python)

Hands-on experience delivering GenAI/RAG solutions in production

Experience with one cloud provider: AWS, Azure, or GCP (e.g., Bedrock / Azure OpenAI / Vertex AI)

Familiarity with vector databases/search and retrieval strategies

Solid engineering practices: Git, testing, Docker (Kubernetes is a plus)

PyTorch / deep learning background, strong Data Science foundations

Experience with RAG/agent evaluation, hallucination mitigation, prompt & data security

Knowledge of enterprise security/compliance (IAM, encryption, auditing).

Working at TCS :

• Attractive fixed salary + variable compensation
• Holiday Bonus
• Profit sharing
• CSE
• Join an international group present in 50 countries
• Work on ambitious and innovative projects
• Participate in our community events: meetups followed by after-works, tech week, etc.
• And because we want to help you grow and improve, we offer regular training and participation in conferences.

At TCS, diversity is a source of wealth, and inclusion is a daily commitment. We cultivate an environment where every talent, regardless of their origin or background, can express themselves and grow, and fully contribute to our collective success.