Job title : Software Engineer

  • Location: Paris (France)

About the job

Are you a software engineering enthusiast passionate about utilizing modern advancements and driving continuous improvement? Join us as a Software Engineer, where you will have the opportunity to work on high-performance, highly available, and scalable applications with a micro-services architecture. You will help troubleshoot issues, contribute to the engineering culture, and collaborate with cross-functional teams to implement innovative solutions. Be as passionate as we are about chasing the miracle of science to improve people's lives.

Ready to push the limits of what’s possible? Join Sanofi in one of our corporate functions and you can play a vital part in the performance of our entire business while helping to make an impact on millions around the world.

Main responsibilities:

  • Provide technical and people leadership for software engineering teams; engineers love working with you.

  • Drive improved productivity by utilizing modern advancements such as genAI.

  • Develop high-performance, highly available, and scalable applications with a micro-services architecture and an understanding of observability.

  • Demonstrate a deep technical understanding of modern internet architectures and frameworks.

  • Drive continuous improvement through multiple cross-platform teams.

  • Exhibit a passion for learning and the ability to learn quickly.

  • Apply proven experience in agile practices.

  • Approach problem-solving systematically, with strong communication skills and a sense of ownership and drive

About you:

  • Experience leading a small group of software engineers, evaluating performance, and providing actionable feedback.

  • Diverse programming language experience preferred.

  • Experience scaling systems sustainably through automation and evolving systems to improve reliability and velocity.

  • Experience working with both technical and non-technical colleagues in a cross-functional, interdisciplinary environment, with strong written and verbal communication skills.

  • Experience in the healthcare industry is a plus.

  • Ability to work independently, with high energy, confidence, and ambition.

  • Passionate communicator, willing to challenge and enhance ideas while preserving relationships, with interest in multiple aspects of technology.

  • Personal ownership of tasks with a tenacious approach to problem-solving and critical thinking.

  • Service-oriented, flexible, positive team player

Technical skills:

  • Comfortable working with a micro-services approach.

  • Key technologies we use: GraphQL, Node.js, React.js, AWS services including Lambda, S3, RDS, SNS, DynamoDb, and genAI technologies like AWS Q and Chat-GPT.

  • Open-minded about technology preferences and willing to explore new technologies and strategies.


  • MS in software engineering, computer science, or equivalent.

Why choose us?

  • 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 through a promotion or lateral move, at home or internationally.

  • Enjoy a well-crafted rewards package recognizing your contribution and amplifying 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 of gender-neutral parental leave.

  • Play an instrumental part in creating best practices within our engineering teams.

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.

Diversity, Equity, and Inclusion

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!