CareerPlan

Senior Full Stack Engineer

BarcelonaFull-time€50k–€80k2026-10-23 → 2026-11-10
Hybrid

Core

Senior Full Stack Engineer building a legal AI platform serving 20,000+ legal professionals across Europe.

Role type

Senior Full Stack Engineer (AI platform)

Builds

A trusted legal AI platform for legal professionals

Domain

Legal technology + Artificial Intelligence

Deliverable

production ML models

Required skills

End-to-end system ownership, AI coding tools (Claude Code, Cursor), Code review, Fluency in English

Preferred skills

Italian language

Technologies

Next.js, TypeScript, Python (Django, Django Ninja), Postgres, Vector stores, LLM pipelines, GitHub Actions

Responsibilities

Make technical decisions for squad shipments, Own decisions in production, Mentor surrounding engineers, Work across full stack (deep on one side, fluent on other)

Seniority

Senior, hands-on IC