Data & AI Platform Engineer – Hybrid (Barcelona)

Sanofi Group; Barcelona; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid work model

Mentorship & training

Global impact through healthcare tech

Job summary

Sanofi is seeking a Software Engineer Specialist - Data and AI in Barcelona. You will build full-stack applications and platform services across the OneMesh ecosystem using React, TypeScript, Node.js and Python (FastAPI), plus design robust APIs and AI-enabled features.

You’ll deploy on OpenShift with Kubernetes and AWS, implement GitOps and Terraform, and ensure production-readiness with observability and security. Collaboration across data engineers and product teams is key.

Qualifications

• Bachelor's degree in Computer Science, Engineering or related field.
• Proven track record building software products, backend systems, platform services or cloud-native apps.
• Strong command of Docker, Kubernetes/OpenShift, Python (FastAPI), React, Node.js and TypeScript; familiarity with AWS, Snowflake, PostgreSQL, Redis, messaging and CI/CD.

Responsibilities

• Build full-stack applications and platform services across the OneMesh ecosystem using React, TypeScript, Node.js and Python (FastAPI).
• Design and maintain robust APIs (REST/GraphQL) for data and AI capabilities.
• Implement AI/GenAI patterns including LLM APIs, RAG, and agent orchestration.
• Deploy and operate cloud-native apps on OpenShift (Kubernetes) and AWS; use Terraform and GitOps.
• Champion production-readiness with security, logging, health checks, metrics, and alerts.
• Build and maintain CI/CD pipelines; contribute to reviews and engineering standards.
• Collaborate with data engineers, ML practitioners, product teams, and stakeholders.

Skills

Docker

Kubernetes/OpenShift

Python (FastAPI)

Terraform

React

Node.js

TypeScript

AWS

Snowflake

PostgreSQL

Redis

GitHub Actions

GenAI/LLM patterns

Education

Bachelor's degree in CS/Engineering

Tools

OpenShift

Terraform

AWS services

Job description

Sanofi is seeking a Software Engineer Specialist - Data and AI in Barcelona. You will build full-stack applications and platform services across the OneMesh ecosystem using React, TypeScript, Node.js and Python (FastAPI), plus design robust APIs and AI-enabled features.

You’ll deploy on OpenShift with Kubernetes and AWS, implement GitOps and Terraform, and ensure production-readiness with observability and security. Collaboration across data engineers and product teams is key.