New

Senior Principal Software Developer

TA Instruments

United States, Delaware, New Castle

159 Lukens Drive (Show on map)

Jul 10, 2025

Senior Principal Software Developer

Req. #

23514

Job Family

DE - Development Engineering

Location

US-DE-New Castle

Overview

Interested in joining our Software Team?

At TA Instruments, we're looking for creative and innovative engineers who bring fresh ideas from all areas, including data processing, distributed computing, large-scale system design, networking and data storage, security, UI design and mobile-the list goes on and is growing every day. We encourage all our engineers to constantly add value to themselves and the business through learning and collaboration.

We are seeking a Sr. Principal Software Engineer to lead the development and architecture of an innovative platform incorporating advanced AI capabilities. This is a high-impact role requiring deep technical expertise, strategic thinking, and leadership in building scalable, secure, and high-performance cloud-native applications.

Typical tasks of the position include, but are not limited to

As a Sr. Principal Software Engineer, you will:

Lead the architecture and design of a new SaaS platform with integrated AI/ML capabilities.

Define and drive the technical roadmap, ensuring alignment with business goals and scalability requirements.
Research, design, develop, and maintain applications, user interfaces, data analysis tools, and instrument control software for thermal analysis, rheological, and calorimetric instruments.
Evaluate system specifications and translate system requirements into detailed technical designs.
Provide architectural guidance and mentorship to engineering teams across the full development lifecycle.
Collaborate with cross-functional teams to ensure seamless integration of AI models and services into the SaaS platform.
Ensure software quality through code reviews, automated testing, and adherence to SOLID principles and secure coding practices.
Contribute to the application architecture with a focus on scalability, maintainability, security, and performance.
Support current programs, including performance tuning, troubleshooting, and enhancements.
Provide technical support to internal and external users as needed.

As a Team Member you will:

Participate in agile ceremonies and collaborate with global teams.
Share knowledge through demos, documentation, and mentoring.
Demonstrate continuous technical improvement and thought leadership.

The successful candidate will have a combination of knowledge, skills, and experience that would include the following

Bachelor's Degree preferred, or equivalent combination of education, training, and experience
12+ years of experience in software engineering, preferably in a regulated development environment.
Proven experience designing and architecting SaaS solutions, including multi-tenant architecture, CI/CD pipelines, and cloud-native services.
Strong experience with C#, .NET Core, and object-oriented design.
Front-end development expertise using React or Angular with TypeScript.
Proficiency in web technologies: HTML, CSS, REST APIs.
Hands-on experience with AWS or Azure Cloud, Docker containers, and microservices.
Familiarity with development tools such as JIRA, Visual Studio, VS Code, GitHub, YAML, Confluence, and Datadog.
Experience integrating AI/ML models into production systems is a strong plus.
Strong understanding of software security best practices and implementation.

Desired / Nice To Have:

Experience in analytical or medical device domains.
Knowledge of TCP/IP sockets and RS232-serial communications.
Experience with Azure DevOps, GitHub, BDD (Gherkin & SpecFlow), and continuous delivery pipelines.
Ability to create roadmaps, manage risks, and communicate progress to stakeholders.
Experience bridging technical and non-technical teams.
Background in cross-functional product development involving hardware and software components.

Company Description

Waters Corporation (NYSE:WAT) is a global leader in analytical instruments, separations technologies, and software, serving the life, materials, food, and environmental sciences for over 65 years. Our Company helps ensure the efficacy of medicines, the safety of food and the purity of water, and the quality and sustainability of products used every day. In over 100 countries, our 7,600+ passionate employees collaborate with customers in laboratories, manufacturing sites, and hospitals to accelerate the benefits of pioneering science.

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.