CareerPlan

Data and AI Software Engineer Specialist

BarcelonaFull-time€50k–€74k2026-09-21 → 2026-11-12
Hybrid

Core

Build the software and application layer for Sanofi's OneMesh Platform, connecting people to data and AI across the organization.

Role type

Senior full-stack software engineer (AI/GenAI platform)

Builds

Internal developer tools, data platform interfaces, AI-powered applications, and operational dashboards

Domain

Biopharmaceutical / Data & AI Platform Engineering

Required skills

React, TypeScript, Node.js, Python (FastAPI), Docker, Kubernetes/OpenShift, Terraform, AWS, Snowflake, PostgreSQL, Redis, CI/CD

Preferred skills

GenAI/LLM application patterns, RAG, agent orchestration, GraphQL, message brokering

Technologies

React, TypeScript, Node.js, Python, FastAPI, Docker, Kubernetes, OpenShift, Terraform, AWS, Snowflake, PostgreSQL, Redis, GitHub Actions

Responsibilities

Build full-stack applications and platform services; Design and maintain robust REST and GraphQL APIs; Implement AI and GenAI application patterns including LLM APIs and RAG; Deploy and operate cloud-native applications on OpenShift and AWS; Champion production-readiness and observability; Build and maintain CI/CD pipelines; Collaborate with data engineers, ML practitioners, and product teams

Seniority

Senior, hands-on IC