Senior Software Engineer

Senior Software Engineer – Millipore Sigma

We are looking for a Senior Software Engineer to join our Digital and eCommerce – Hybrid division, focused on transforming the technology engine driving Millipore Sigma's Digital and eCommerce initiatives. The role involves designing and building new features and components for our evolving platform, leveraging modern principles such as microservices and event‑driven architectures.

• 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 epics, 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 based on the business requirements
• Collaborate with cross‑functional teams
• Work with global teams and a flexible work schedule
• Exhibit proficient verbal and written communication

Minimum Qualifications

• 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

Preferred Qualifications

• 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 (JavaScript, HTML, CSS), data manipulation (SQL), and version control systems (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

Hybrid – St. Louis, MO

Health insurance, paid time off (PTO), retirement contributions, and other perquisites. The offer range represents the anticipated low and high end of the base pay compensation for this position – $79,100–$122,400. Position may be eligible for sales or performance‑based bonuses.