We’re looking for a

Lead Business Analyst with strong AI expertise

to join a collaborative team working on innovative software and AI solutions for a leading client.

You’ll work closely with business and technical stakeholders to

identify, assess and shape AI use cases , translating business needs into valuable and feasible AI solutions.

What we’re looking for Strong experience as a

Business Analyst, Product Analyst or AI Business Analyst Strong understanding of

Generative AI, LLMs and AI solution design Hands-on understanding of

prompt engineering, RAG, model evaluation and fine-tuning Ability to assess

AI use cases, feasibility, cost-benefit and business value Understanding of

hallucinations, bias, AI ethics, token management and model versioning Experience defining

AI success metrics and A/B testing approaches Good knowledge of

SQL, APIs and data quality Experience working with





Jira/Azure DevOps, Confluence and Git Strong Agile experience, including

sprint planning, retrospectives, user story mapping, acceptance criteria and backlog refinement Excellent stakeholder management and communication skills Ability to understand

when AI should — and should not — be used

Nice to have Figma / wireframing ChatGPT / Claude Hugging Face AWS Kiro ML model monitoring and drift detection Retraining workflows Data pipeline understanding

Location:

Barcelona, 3 days/week onsite Contract:

Freelance Rate:

€330–355/day Start date:

21 September 2026 Initial duration:

Until 31 October, with expected extension Laptop:

Own laptop required Background check:

Required

📌 Lead Business Analyst – AI | Barcelona | Freelance
🏢 E-Frontiers
📍 Barcelona