Senior Software Developer

• Design, develop, and maintain desktop and web-based software applications supporting research, operations, and scientific workflows.
• Build and enhance data processing tools, parsers, and automation solutions to improve how experimental data is collected, stored, and analyzed.
• Develop graphical user interfaces that improve usability and efficiency for laboratory and research staff.
• Support informatics initiatives, including structured data formatting and integration with existing platforms.
• Maintain and enhance inventory and operational databases used across development projects.
• Document software, write user guides and standard operating procedures, and support system validation activities.
• Provide training and ongoing support to users of newly developed and existing applications.
• Collaborate with cross-functional teams to prioritize work, solve technical challenges, and continuously improve system performance.

• Bachelor's degree in computer science, Engineering, or a related field (or equivalent experience) requiered. Mater's degree preferred.
• 5+ years in proficiency with C# and .NET (including ASP.NET and MVC patterns).
• 3+ years of Experience with SQL and database connectivity.
• Experience developing desktop and/or web-based applications in a professional environment.
• Experience working with structured databases and data-driven applications.
• Experience supporting users and maintaining production software systems.
• Strong problem-solving and analytical skills.
• Clear written and verbal communication skills.
• Ability to work independently while collaborating effectively with cross-functional teams.
• Comfortable managing multiple priorities in a dynamic environment.

Preferred Qualifications :

• Working knowledge of JavaScript, HTML5, CSS, and related web technologies preferred.
• Experience using development environments such as Visual Studio
• Building reliable software that supports scientific discovery.
• Familiarity with object-oriented programming, design patterns, and debugging techniques.

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!

US and Puerto Rico Residents Only

Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally inclusive and diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; natural or protective hairstyles; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.

North America Applicants Only

The salary range for this position is: $85.500,00 - $123.500,00

All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs. Additional benefits information can be found through the LINK.

You will join the Vaccines Global Transversal Operations Automation Center of Excellence (ACE) at Sanofi, supporting research, development, and operational teams through innovative software solutions. The team partners closely with scientists, engineers, and business stakeholders to design and maintain applications that improve data quality, automation, and efficiency in an R&D laboratory environment. Join the engine of Sanofi's mission - where deep immunoscience meets bold, AI-powered research. In R&D, you'll drive breakthroughs that could turn the impossible into possible for millions. About Sanofi: We're an R&D-driven, AI-powered biopharma company committed to improving people's lives and delivering compelling growth. Our deep understanding of the immune system - and innovative pipeline - enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people's lives., * 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. * Be part of a pioneering biopharma company that engages patients early in drug development and uses their insights to design studies that reflect real-world needs. * Help improve the lives of millions of people globally by making drug development quicker and more effective. * Work at the forefront of drug discovery, harnessing cutting-edge AI, data, and digital platforms to push the boundaries of science. Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.