Senior Software Engineer

Work Your Magic with us! Start your next chapter and join Millipore Sigma.

Ready to explore, break barriers, and discover more? We know you’ve got big plans – so do we! Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Healthcare, Life Science, and Electronics. Together, we dream big and are passionate about caring for our rich mix of people, customers, patients, and planet.

That's why we are always looking for curious minds that see themselves imagining the unimaginable with us.

This role does not offer sponsorship for work authorization. External applicants must be eligible to work in the US.

Our Digital and eCommerce – Hybrid division is focused on transforming the technology engine driving Millipore Sigma's Digital and eCommerce initiatives. As a Senior Software Engineer, you will play a pivotal role in designing and building new features and components for our evolving platform, leveraging modern principles such as microservices and event‑driven architectures. The Digital and eCommerce team manages several B2B websites and direct digital sales channels through a globally deployed, cloud‑based platform, serving as a key growth engine for Millpore Sigma's life sciences business.

Our platform offers a comprehensive product catalog, empowering customers to search for and purchase products while accessing detailed scientific information. Specific responsibilities include:

• Provided a growth and learning culture on the team and collaborated with cross‑functional teams
• Work as part of an Agile team, taking ownership for one or more services
• Take ownership of features and epica, collaborating with the team to ensure excellence in design, coding, testing and operations
• Mentoring team members through code review, design reviews
• Collaborate with product owners to refine the backlog, breaking down features and epics into executable stories
• Ensure a high‑quality mindset in all aspects of coding
• Provide solutions base on the business requirements
• Collaborate with cross‑functional teams
• Work with global teams and a flexible work schedule
• Exhibit proficient verbal and written communication
• Hybrid St Louis, MO

• High School Diploma or GED
• 5+ years of hands‑on software engineering experience
• 1+ years hands‑on experience in Java, developing REST services, and unit testing frameworks

• Experience with Microservices, CI/CD, Event Oriented Architectures and Distributed Systems
• Experience with cloud environments (e.g., Google Cloud Platform, Azure, Amazon Web Services, etc.)
• Familiarity with web technologies (e,g,, JavaScript, HTML, CSS), data manipulation (e.g., SQL), and version control systems (e.g., Git Hub)
• Familiarity with Dev Ops practices/principles, Agile/Scrum methodologies, CI/CD pipelines and the product development lifecycle
• Familiarity with modern web APIs and full stack frameworks
• Experience with Java, Elastic Search, Kubernetes, Spring, Spring Boot
• Experience developing B2B eCommerce systems

Pay Range for this position - $79,100k - $122,400k

The offer range represents the anticipated low and high end of the base pay compensation for this position. The actual compensation offered will be determined by factors such as location, level of experience, education, skills, and other job‑related factors. Position may be eligible for sales or performance‑based bonuses. Benefits offered by the Company include health insurance, paid time off (PTO), retirement contributions, and other perquisites.

For more information .

We are curious minds that come from a broad range of backgrounds, perspectives, and life experiences. We believe that this variety drives excellence and innovation, strengthening our ability to lead in science and technology. We are committed to creating access and opportunities for all to develop and grow at your own pace. Join us in building a culture of inclusion and belonging that impacts millions and empowers everyone to work their magic and champion human progress!

Apply now and become a part of a team that is dedicated to Sparking Discovery and Elevating Humanity!