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Accelerator Senior Software Platform Engineer (Lyon)

Sanofi

Lyon permanent

Posted: February 16, 2026

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Quick Summary

Accelerator Senior Software Platform Engineer

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.

• Location: Lyon

• Hybrid

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 

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 

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...) 

• Keen to work in a cross team environment 

• Help and support other teams 

• Knowledge of all transversal activities is a plus (security, optimization, process, ...) 

• English is mandatory as we are an international team! 

  

  

Soft and behavioural 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?

• We provide a highly collaborative environment, with an opportunity to work with a world class team.
• Contribute to a company that is not only a leader in healthcare but also a pioneer in digital transformation, shaping the future of global health. 
• Bring the miracles of science to life alongside a supportive, future-focused team.
• Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.
• Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.
• Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave.
• Play an instrumental part in creating best practice within our manufacturing facility

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!

Pursue progress, discover extraordinary

Better is out there. Better medications, better outcomes, better science. But 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. So, let’s be those people.

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!

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