Accelerator Senior Software Platform Engineer (Lyon)

Sanofi Group; Lyon; Hybrid; EUR 64,000 - 85,000; Full time

Benefits offered by this job

Health insurance

Remote work up to 2 days/week

Public transport coverage 80%

Group savings plan

International mobility opportunities

Learning & development opportunities

Job summary

Sanofi is hiring an Accelerator Senior Software Platform Engineer in Lyon. The role focuses on building foundational platforms, supporting multiple teams and driving cloud-native tooling.

You will improve developer experience, create reusable deployments, and advocate for robust platform solutions in a highly collaborative, international environment. The position is hybrid (2 days remote, 3 days on-site) with strong emphasis on JavaScript/Node.js, IaC, and API-driven ecosystems.

Qualifications

• 6+ years of experience in platform/software engineering
• Bachelor's degree in CS/Engineering or equivalent is a plus
• Experience with Cloud Providers and IaC tooling
• Experience building libraries and developer tools
• Strong knowledge of APIs, networking, security and observability
• Fluent English required for an international team

Responsibilities

• Improve Developer Experience
• Reduce overhead for squads/pods
• Prototype and deploy standards and PoCs
• Support other teams as needed
• Build tools, libraries, and IaC for a large environment
• Create docs and recommendations for Cloud Native solutions
• Advocate for adopted solutions

Skills

JavaScript/Node.js

Infrastructure as Code

Cloud Providers

Libraries & Tools

APIs & Networking

English proficiency

Education

Bachelor's degree or equivalent in Computer Science or Engineering

Tools

Terraform

AWS CDK

Job description

Le contenu du poste est libellé en anglais car il nécessite de nombreuses interactions avec nos filiales à l’international, l'anglais étant la langue de travail. This job offer is accessible to all, regardless of gender. Job title: Accelerator Senior Software Platform Engineer (Lyon) Location: Lyon (Hybrid - 2 days remote, 3 days on-site) About the job

Our Team:

In the Accelerator's Platform Team In a nutshell, a platform team is a team that creates the foundational layers and core building blocks of a company’s products. We do not provide direct value to the business, we do, however, support and help all other technical teams to focus on their productivity. The platform team is also here to find ways for multiple teams to work on a cross project that can be reused by all. More concretely a platform can be at different levels of granularity: CI configs and rules to be used by other teams IaC, tooling to deploy and monitor resources in the Cloud Development environment, tools and shared libraries Help and can define global system architecture / security Core abstractions (data model, business modeling) API/SDKs

About Us

We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. Digital & Data are at the heart of Sanofi: our ambition is to be the leading digital healthcare platform to deliver medicine faster, enable business operations to scale seamlessly, and help Sanofi teams focus on what matters most — science and patients.

Job Description

Your key responsibilities will be:

• Improve the Developer eXperience
• Lower the technical overhead for squads / pods
• PoC all things that could bring better standards - then deploy it!
• Support and help all teams when necessary
• Build various tools in a large pool of environment (cli, libraries, IaC, workflow)
• Work on everything you think can make the difference!
• Create documentation / recommendation on how to build Cloud Native solution
• Advocate on the solutions built

What we offer you

A fixed salary over 12 months, supplemented by a short-term incentive, as well as a collective variable compensation based on Sanofi Group results. Because taking care of our employees is also our mission:

• Benefits & Well-being: Quality health insurance, extended maternity/parental leave (18/14 weeks), enhanced support in case of illness, teleconsultation and second medical opinion covered by Sanofi, as well as many other wellness programs to discover here.
• Work-Life Balance: 31 days of paid leave + RTT depending on your status, remote work up to 2 days/week
• Transportation: Public transport coverage up to 80%
• Savings & Retirement: Group Savings Plan and PERCOL with employer matching, and PERO
• Professional Development: Internal and international mobility opportunities, learning & development opportunities
• And more: platforms dedicated to peer-to-peer recognition & service exchanges between Sanofi employees (carpooling, home exchanges, etc.), numerous CSE benefits.

About you

Key Technical Requirements & Qualifications You don't need to check all the points! If you fit only a few of them that is more than enough. But expect to work on most of these points during your daily tasks

• The thirst for knowledge
• Experience working on Cloud Providers
• Good understanding of JavaScript / Node.js
• Experience of Infrastructure as Code tools (Terraform, AWS cdk or any others)
• Knowledge of building libraries and tools
• Knowledge of complex APIs systems (network, redundancy, security, logging, etc.)
• Keen to work in a cross team environment
• Help and support other teams
• Knowledge of all transversal activities is a plus (security, optimization, process, etc.)
• English is mandatory as we are an international team!

Soft and behavioral skills

• Experience working with multiple teams to drive alignment and results
• Service-oriented, flexible, positive team player
• Self-motivated, takes initiative
• Problem solving & critical thinking
• Good written and verbal communication skills

Your background

6+ years of experience but do not hesitate to apply if you think you have all the knowledge - this is non blocker No diploma is required but Bachelor's degree or equivalent in Computer Science or Engineering is a plus Experience in an innovative / breaking walls environment Experience in the healthcare industry is a plus

Why choose us?

Work alongside a supportive and forward-thinking team dedicated to advancing the frontiers of healthcare. Contribute to a company that is not only a leader in healthcare but also a pioneer in digital transformation. Discover diverse career growth opportunities, whether through promotions, lateral moves, or international assignments. Benefit from a comprehensive rewards package that acknowledges your contributions and enhances your impact. Access a wide range of health and wellness benefits, including high-quality healthcare, preventive programs, and at least 14 weeks of gender-neutral parental leave. Pursue progress. Discover extraordinary. Progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen.

At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity. Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com! #LI-FRA #Accelerator #LI-Hybrid Pursue progress, discover extraordinary Better is out there.

At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity. Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com!

The salary range for this position is :€64,000.00 - €85,333 Final compensation will be determined based on demonstrated experience, skills, location, and other relevant factors. Employees may be eligible to participate in Company employee benefit programs.

We are an R&D driven, AI-powered biopharma company committed to improving people’s lives and creating compelling growth. Our team is guided by one purpose: we chase the miracles of science to improve people’s lives. We want to build a healthier, more resilient world, and turn the impossible into the possible by discovering, developing, and delivering medicines and vaccines for millions of people around the world. Discover more about us visiting www.sanofi.com or via our movie We are Sanofi Start a career that makes a difference. Reinvention is in our DNA. It’s what drove our evolution from a small French enterprise to one of the world’s leading biopharma companies. Whether it’s using AI to shorten drug-discovery times or building trust in healthcare, you could be helping our teams make life better for patients, partners, and communities. This is where you grow your career. We open the door for you to explore new opportunities, push your limits, and connect with people who are driven by a shared purpose: we chase the miracles of science to improve people’s lives.