1099 Contractor Full Stack Developer Jobs in Worcester, MA

Are you a passionate full stack engineer who thrives at the intersection of enterprise commerce, modern frontend development, and AI-powered software delivery? Waters is looking for a Senior Engineer - Full Stack to join our growing digital engineering team. You will help shape and deliver the next generation of our B2B eCommerce platform, building rich Angular-based storefronts powered by Java and Spring Boot backends deeply integrated with SAP Commerce Cloud.

This is a hands-on engineering role with real influence. You will build production-grade features, contribute to architectural decisions, and be a key voice in how we adopt AI and agentic tools to accelerate development. You will work on a globally scaled platform that reaches scientists, researchers, and procurement teams in 100+ countries.

• Deliver end-to-end features across the Angular / SAP Composable Storefront and Spring Boot / SAP Commerce Cloud backend, maintaining high standards of code quality, performance, and test coverage.
• Design and implement REST APIs and OCC extensions within the SAP Commerce platform, ensuring backward compatibility and API versioning discipline.
• Contribute to SAP Spartacus storefront customization, theming, and component development using Angular best practices.
• Debug and resolve complex production issues across the full stack, from browser-side rendering to backend service logic and data layer.

• Integrate and evaluate AI-powered developer tooling to improve personal and team productivity - from code generation and automated testing to AI-assisted code reviews.
• Help scope and build AI-enhanced user-facing features within the Waters digital commerce platform, in collaboration with product and architecture teams.
• Stay current on agentic AI frameworks and apply relevant advances to our development and DevOps workflows.

• Uphold coding standards, contribute to shared component libraries, and ensure adherence to WCAG accessibility guidelines in frontend delivery.
• Maintain and improve automated test coverage across unit, integration, and end-to-end layers.
• Participate in and lead peer code reviews, promoting a culture of continuous improvement and knowledge sharing.

• 5+ years of hands-on full stack development experience with strong proficiency in Angular (v12+) and Java / Spring Boot.
• Demonstrated experience working with SAP Commerce Cloud (Hybris) and/or SAP Spartacus / Composable Storefront - storefront customization, OCC APIs, and B2B commerce features preferred.
• Strong command of TypeScript, RxJS, Angular state management (NgRx or similar), and modern CSS / SCSS.
• Solid backend development skills: RESTful API design, Spring Boot microservices, Hibernate/JPA, and SQL/NoSQL databases.
• Experience with SAP S/4HANA integrations for order management, pricing, and product data is a plus.
• Familiarity with Adobe Edge Delivery Services (EDS) - including document-based authoring workflows, block development, and integration with commerce or headless platforms - is a nice to have.
• Practical experience using AI code generation tools (GitHub Copilot, ChatGPT, Claude, or similar) in day-to-day engineering workflows; enthusiasm for agentic AI and its application to software delivery.
• Familiarity with cloud platforms (AWS or Azure) and containerized deployments using Docker and Kubernetes.
• Experience with CI/CD pipelines and DevOps toolchains (Jenkins, GitHub Actions, Maven, SonarQube).
• Solid understanding of Agile / Scrum methodologies, sprint planning, and backlog refinement.
• Strong analytical and problem-solving abilities; able to break down complex technical challenges and communicate solutions clearly to both technical and non-technical audiences.
• Bachelor's degree in Computer Science, Engineering, or equivalent professional experience.

Waters Corporation (NYSE:WAT)  is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of ~16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide.  

Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.