# Software Development Engineer at Sanofi

Sanofi is hiring a Software Development Engineer in Barcelona, Spain. It pays €74k a year and Level rates it Little AI ●○○○; you can [apply on Sanofi](https://jobsbylevel.com/go/c38a025c-55d9-4fe8-abe1-ca74bf330ad9?utm_medium=ai-agent).

AI Level 1, AI centrality 35 out of 100. Barcelona.

## Details

- Company: [Sanofi](https://jobsbylevel.com/companies/sanofi)
- AI level: AI Level 1 (score 35 out of 100)
- Location: Barcelona
- Salary: €74k
- Posted: November 12, 2026
- Apply: https://jobsbylevel.com/go/c38a025c-55d9-4fe8-abe1-ca74bf330ad9?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=software-development-engineer-at-sanofi-c8d96e

## Description

Location: Barcelona, Spain About the Job Sanofi's Global eCommerce organization is building the digital infrastructure that connects healthcare professionals, institutions, and patients to our portfolio of life-changing medicines. As a Software Development Engineer III on our Platform Engineering team, you'll design, build, and operate the shared infrastructure, CI/CD pipelines, and observability tooling that power digital commerce experiences across multiple geographies and customer segments. This is a high-impact individual contributor role where you'll own well-scoped platform capabilities end to end — from design to deployment — while growing your independence alongside senior engineers. You'll work closely with product engineering teams, Security, and Operations on systems where reliability, resilience, and operational excellence directly affect our ability to deliver medicines to patients worldwide. About Sanofi Sanofi is dedicated to supporting people through their health challenges. We are a global biopharmaceutical company focused on human health, committed to chasing the miracles of science to improve people's lives. Our team, across some 100 countries, is dedicated to transforming the practice of medicine by working to turn the impossible into the possible. We provide potentially life-changing treatment options and life-saving vaccine protection to millions of people globally, while putting sustainability and social responsibility at the center of our ambitions. At Sanofi, we believe our people are our greatest strength, and we are committed to creating an inclusive environment where diverse perspectives drive innovation. Our values — Aim Higher, Act for Patients, Be Bold, and Lead Together — guide everything we do Main responsibilities Build and ship platform capabilities: Design and implement infrastructure-as-code, internal tooling, and shared services (Node.js, Java, Python) that product engineering teams build on — writing clean, well-tested, scalable code Contribute to technical design: Author design documents, participate in design reviews, and propose trade-offs on architecture, security, and reliability with guidance from senior and staff engineers Deliver quality through testing: Write unit, integration, and end-to-end tests; build and harden CI/CD pipelines and code review standards for the broader engineering organization Strengthen DevSecOps practices: Embed security controls into the pipeline (vulnerability scanning, secrets management, policy-as-code), and develop secure, performant APIs and automation for infrastructure provisioning Enable product teams to run on-call: Build the observability, alerting frameworks, runbooks, and self-service tooling (e.g., DataDog, Grafana) that product engineering teams use to monitor and operate their own services Own platform reliability: Join on-call rotations for the platform and tooling layer itself, and drive root cause analysis and remediation for platform-level incidents Grow yourself and others: Share knowledge through reviews, documentation, and demos; support junior engineers About You Experience: 5+ years building and operating production infrastructure, platform services, or DevOps systems, with increasing scope and independence; cross-functional team experience (B2B or regulated industries a plus) Technical skills: JavaScript/TypeScript (Node.js) plus an OOP language (Java, Python, C++); Infrastructure as Code (Terraform); container orchestration (Kubernetes, Docker); hands-on cloud experience (AWS, GCP, or Azure); CI/CD pipeline engineering; observability and monitoring tools (DataDog, Grafana); SQL/NoSQL. Security tooling (SAST/DAST, secrets management), networking fundamentals (DNS, TLS/certificates, load balancing, CDN/WAF, VPC/connectivity), and SAP/Salesforce Commerce Cloud infrastructure experience are a plus . Soft skills: Strong ownership mentality, pragmatic problem-solver, effective communicator who builds trust across teams, curious and

The description is cut here. Read the full offer: https://jobsbylevel.com/jobs/software-development-engineer-at-sanofi-c8d96e

Source: https://jobsbylevel.com/jobs/software-development-engineer-at-sanofi-c8d96e

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Level. https://jobsbylevel.com/jobs/software-development-engineer-at-sanofi-c8d96e.

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