Sr. Staff Engineer - Web Developer

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description We are seeking a highly experienced Sr. Staff Engineer to lead the design and development of scalable, high-performance web applications. This role requires deep expertise in Angular, C#/.NET, TypeScript, and cloud technologies, along with strong technical leadership and collaboration skills to work effectively with global teams. Responsibilities Lead architecture, design, and development of full-stack applications using Angular, TypeScript, and C#/.NET Collaborate with US onshore teams to deliver high-quality, scalable solutions aligned with business goals Drive technical direction, best practices, and coding standards across the engineering team Design and implement cloud-native applications (Azure/AWS/GCP) with a focus on scalability and reliability Mentor and guide engineers, conduct code reviews, and foster a culture of engineering excellence Work closely with product managers, UX designers, and stakeholders to translate requirements into technical solutions Ensure application performance, security, and maintainability Lead troubleshooting, root cause analysis, and resolution of complex technical issues Contribute to DevOps practices including CI/CD pipelines, automated testing, and deployment strategies Requirements Bachelor’s or Master’s degree in Computer Science, Engineering, or related field 10+ years of experience in software development, with strong full-stack expertise Deep experience with: Angular (latest versions) TypeScript, JavaScript, HTML5, CSS3 C# and .NET / .NET Core / ASP.NET Hands-on experience with cloud platforms (AWS preferred, Azure or GCP acceptable) Strong experience in building APIs using REST and/or GraphQL Strong understanding of microservices architecture and distributed systems Experience with relational and/or NoSQL databases Proficiency in Git and modern development workflows Preferred Qualifications Experience in designing enterprise-scale applications Exposure to containerization (Docker, Kubernetes) Familiarity with messaging systems (Kafka, Service Bus, etc.) Experience with performance tuning and application monitoring tools Prior experience working in a global delivery model with distributed teams Thank you for your interest as you consider starting a new career journey with us. As the world leader in serving science, our colleagues develop critical solutions through innovation—and build rewarding careers. Discover their extraordinary stories and connection to our Mission to enable our customers to make the world healthier, cleaner and safer. Their work is a story of purpose. What story will you tell? Thermo Fisher Scientific Inc. is the world leader in serving science, with annual revenue of more than $40 billion. Our Mission is to enable our customers to make the world healthier, cleaner and safer. Whether our customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics or the development and manufacture of life-changing therapies, we are here to support them. Our global team delivers an unrivaled combination of innovative technologies, purchasing convenience and pharmaceutical services through our industry-leading brands, including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon and PPD. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. Thermo Fisher Scientific is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, creed, religion, color, national or ethnic origin, citizenship, sex, sexual orientation, gender identity and expression, genetic information, veteran status, age or disability status.