Data & AI Platform Engineer - Hybrid (Barcelona)

Sanofi Group; Barcelona; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

Sanofi is seeking a Software Engineer Specialist - Data and AI to join the OneMesh Platform team. The role focuses on building full-stack platforms, APIs, and AI-enabled applications, leveraging React, TypeScript, Node.js, and Python (FastAPI).

You will deploy cloud-native services on AWS/OpenShift, pursue IaC, and drive observability and security controls. Collaboration across data engineers, ML teams, and product stakeholders is essential.

Qualifications

• Experience building software products and backend systems.
• Experience in internal platform teams, product engineering, or data-driven app development is a strong plus.
• Strong command of the listed tech stack: Docker, Kubernetes/OpenShift, Python (FastAPI), Terraform, React, Node.js, and TypeScript.

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 and GraphQL).
• Implement AI and GenAI patterns including LLM APIs and RAG.
• Deploy and operate cloud-native apps on OpenShift (Kubernetes) and AWS with Terraform IaC.
• Champion production-readiness with observability, logging, health checks, and dashboards.
• Build and maintain CI/CD pipelines enabling fast, reliable delivery.
• Collaborate with data engineers, ML practitioners, product teams, and stakeholders.

Skills

Ownership mindset

Cross-functional team

English communication

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

Docker

Kubernetes/OpenShift

Terraform

React

Node.js

TypeScript

Python (FastAPI)

AWS (Lambda, API Gateway, ECS, RDS)

Snowflake

PostgreSQL

Redis

Job description

Sanofi is seeking a Software Engineer Specialist - Data and AI to join the OneMesh Platform team. The role focuses on building full-stack platforms, APIs, and AI-enabled applications, leveraging React, TypeScript, Node.js, and Python (FastAPI).

You will deploy cloud-native services on AWS/OpenShift, pursue IaC, and drive observability and security controls. Collaboration across data engineers, ML teams, and product stakeholders is essential.