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Accelerator Senior Software Platform Engineer (Lyon)

SanofiLyon, FrancePosted July 21, 2026
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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. Ready to get started?

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. You can be one of those people. Chasing change, embracing new ideas and exploring all the opportunities we have to offer. Let’s pursue progress. And let’s discover extraordinary together.  

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

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