Overview

Senior Developer at mci group’s AI Team, building AI-powered back-office and front-office products. You will translate product needs into actionable work, mentor peers, and safeguard quality across AI-enabled systems. Collaborate with DevOps on CI/CD and infrastructure, contributing to a scalable, AI-driven transformation of the organization. This role blends product and engineering to ship complex features and AI agents that impact the business at scale.

Responsabilidades

- Build and ship features and AI agents, tackling the most complex components
- Translate product needs into clear, appropriately scoped tasks with Product Manager
- Mentor peers through pairing, code reviews, and shared tooling
- Maintain quality across products, including AI quality metrics (evaluations, guardrails, cost tracking)
- Collaborate with DevOps on CI/CD, infrastructure as code,



and monitoring

Requisitos principales
- 5+ years building and shipping production software
- Strong full-stack skills: TypeScript/React (Next.js) and Python or C#
- Hands-on experience with production LLM applications (RAG, agents, evaluation)
- Cloud experience on Azure and solid PostgreSQL data modelling
- Collaborative, low-ego approach with a track record of improving team effectiveness
- Fluent English; Spanish or French are strong assets
- Willingness to travel occasionally

- collaborative
- low-ego
- effective communication
- TypeScript/React (Next.js)
- Python or C#
- production LLM applications (RAG, agents, evaluation)

📌 Group AI Senior Developer (Barcelona)
🏢 Mci Group
📍 Barcelona