As a Senior / Lead GenAI Engineer, you will design, build and scale production-grade Generative AI solutions for a leading company in the banking sector, taking technical ownership from architecture through deployment, in a fully remote role.
Don’t tick every box? If you meet around 70% of the requirements above, we’d still encourage you to apply.
ABOUT THE ROLE
We are looking for a Senior / Lead GenAI Engineer with deep, hands‑on expertise in Python and Large Language Models to design, build and scale Generative AI solutions for a leading banking sector client. In this role, you will take technical ownership of GenAI initiatives end-to-end — from architecture and prototyping through to secure, compliant production deployment — while mentoring engineers and partnering with business, risk and compliance stakeholders to ensure solutions meet the standards of a highly regulated environment.
KEY RESPONSIBILITIES
GenAI Solution Design & Delivery

Design, build and deploy production‑grade Generative AI solutions (RAG pipelines, conversational assistants, multi‑agent systems)



using Python and modern LLM frameworks.
Lead prompt engineering, chain‑of‑thought orchestration, structured output parsing, guardrails and evaluation pipelines for LLM-based applications.
Architect and own RAG pipelines end‑to‑end: document ingestion, chunking, embeddings, vector store management and retrieval optimization.

Platform & MLOps

Deploy and operate GenAI applications on cloud infrastructure (AWS, Azure or GCP), with a focus on scalability, security and cost optimization.
Implement evaluation and monitoring frameworks for AI systems: response quality, latency, hallucination detection and feedback loops.
Define MLOps practices for LLM-based systems: versioning, automated evaluation and production monitoring.

Leadership & Stakeholder Management

Act as technical lead for GenAI initiatives, mentoring engineers and setting technical direction.
Translate business requirements from banking stak

📌 GenAI Platform Data Engr (Comunidad de Madrid)
🏢 Cognizant
📍 Comunidad de Madrid