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