Hybrid Data & AI Platform Engineer

Sanofi España; Barcelona; Hybrid; EUR 65,000 - 90,000; Full time

Job summary

Sanofi España in Barcelona seeks a Software Engineer Specialist - Data & AI to build full-stack applications and platform services across the OneMesh ecosystem using React, TypeScript, Node.js, and Python (FastAPI). You’ll work on data platforms, internal tools, and AI-powered applications deploying globally.

You will design robust APIs (REST/GraphQL), implement GenAI patterns, deploy cloud-native apps on OpenShift and AWS, and contribute to CI/CD, security, observability, and governance.

Qualifications

• Bachelor's degree in Computer Science or a related field.
• Experience building software products, backend systems, platform services, or cloud-native applications is a strong plus.
• Strong English communication across cross-functional teams.

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) for data and AI capabilities.
• Implement AI and 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, observability, health checks, and dashboards.
• Build and maintain CI/CD pipelines and contribute to code reviews and standards.
• Collaborate with data engineers, ML practitioners, product teams, and stakeholders.

Skills

Full-stack development

Data & AI platforms

React

TypeScript

Node.js

Python (FastAPI)

GenAI/LLM patterns

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes/OpenShift

Terraform

REST/GraphQL APIs

OpenShift

GitHub Actions

Job description

Sanofi España in Barcelona seeks a Software Engineer Specialist - Data & AI to build full-stack applications and platform services across the OneMesh ecosystem using React, TypeScript, Node.js, and Python (FastAPI). You’ll work on data platforms, internal tools, and AI-powered applications deploying globally.

You will design robust APIs (REST/GraphQL), implement GenAI patterns, deploy cloud-native apps on OpenShift and AWS, and contribute to CI/CD, security, observability, and governance.