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Sanofi
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December 9, 2025
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Waltham, MA
Internship
Onsite
Intern
Sanofi is an R&D-driven, AI-powered biopharma company committed to improving people's lives. They are seeking a Co-op mRNA Systems Engineering Intern to develop software for mRNA-based vaccines, assist in creating pipelines and applications, and maintain machine learning models.
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Responsibilities

  • Collaborate with other team members on active code bases
  • Learn and apply industry-standard engineering best practices
  • Collaborate with stakeholders in the broader mRNA Center of Excellence (COE) to help ensure the business needs of the organization are being met
  • Assist and train software users as needed
  • Develop pipelines and applications to assist in the screening and design of mRNA sequences and other vaccine components
  • Help maintain and upgrade a central repository of machine learning models and other modular components for use in design pipelines

Qualification

Required

  • Currently enrolled and pursuing bachelor's or master's degree in Computer Science, Data Science, Bioinformatics, or related field at an accredited college or university with the expectation that you will complete your current degree by the Spring of 2027
  • Must be enrolled in school the semester following your internship/co-op with Sanofi
  • Must be able to relocate to the office location and work 40hrs/week, Monday-Friday, for the full duration of the co-op/internship
  • Must be permanently authorized to work in the U.S. and not require sponsorship of an employment visa (e.g., H-1B or green card) at the time of application or in the future. Students currently on CPT, OPT, or STEM OPT usually require future sponsorship for long term employment and do not meet the requirements for this program unless eligible for an alternative long-term status that does not require company sponsorship
  • Proficient in Python

Preferred

  • Exposure to Continuous Integration/Continuous Deployment (CI/CD) workflows
  • Some experience with Docker, Kubernetes, or other containerization tools
  • Excellent attention to detail
  • Strong written and verbal communication skills
  • Ability to quickly orient to a new code base
  • Familiarity with the training and lifecycle of machine learning models
  • Natural curiosity to explore beyond your immediate tasks
  • Enthusiasm for understanding how your work fits the bigger picture

Benefits

  • Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.
  • Learn from inspiring mentors and collaborative teams while contributing to real projects that shape the future of healthcare.
  • Stretch your skills through hands-on experience with cutting-edge technology that keeps you ahead of the curve.
  • Be part of our innovative mRNA Center of Excellence, where bold thinking and scientific excellence combine to create next-generation vaccines.
  • Grow in a purpose-driven company where your voice matters and your work helps improve millions of lives.
Sanofi is a global biopharma company focused on prescription drugs, vaccines, and treatments for chronic, rare, and infectious diseases.
Glassdoor
4.0
Founded in 1973
Paris, Ile-de-France, FRA
10001+ employees
https://www.sanofi.com