Sr Engineer - .Net FullStack

Clean Harbors Inc. (www.cleanharbors.com) is a NYSE listed US based $6.5 billion company. Clean Harbors was founded in 1980 near Boston by Mr. Alan S. McKim Everywhere industry meets environment, Clean Harbors is on-site, providing premier environmental, energy and industrial services. Clean Harbors employs a dedicated workforce of 25,000 employees and has over 750 service locations across the U.S., Canada and Mexico. Beyond addressing the environmental needs of its more than 300,000 customers, the Company has been on the front lines of addressing some of the largest emergency response events in North America of the past several decades including the BP Oil Spill in the Gulf of Mexico, the anthrax attacks in New York, the 2015 avian flu outbreak that devastated the poultry industry, Hurricanes Katrina, Rita and Sandy, and the oil pipeline breaks that affected the Yellowstone and Kalamazoo rivers, along with other major chemical releases into the environment.

Job Title: Senior .NET Fullstack Engineer Experience: 8 - 10 Years

Location: Hyderabad

Working Hours: 12:00pm to 9.00pm IST

Responsibilities

• Application Development
• Design, develop, and maintain scalable, secure applications using .NET Core, .NET Framework, and C#
• Develop responsive and dynamic user interfaces using Angular
• Build and consume RESTful APIs and integrate frontend with backend services
• Work with SQL databases for data modeling, querying, and optimization
• Architecture & Design
• Implement modern architectural patterns, including: + CQRS (Command Query Responsibility Segregation) + Vertical Slice Architecture (feature-based design)
• Design end-to-end solutions across UI, API, and database layers
• Create technical designs, define best practices, and evaluate new tools/technologies
• Code Quality & Engineering Excellence
• Conduct code reviews across backend (.NET), frontend (Angular), and SQL layers
• Write clean, maintainable, and testable code following SOLID principles
• Optimize application performance, including: + SQL query tuning + API performance improvements + UI responsiveness
• Collaboration
• Collaborate with Product Owners, UX/UI designers, and QA teams
• Translate functional requirements into complete full-stack solutions
• Ensure timely delivery with high quality
• Deployment & Maintenance
• Build and manage CI/CD pipelines for both backend and frontend deployments
• Maintain and enhance existing applications
• Monitor and troubleshoot production systems

Qualifications

• Strong experience in: + C#, .NET Core, .NET Framework + Angular (latest versions preferred) + SQL (T-SQL, stored procedures, indexing, performance tuning)
• Hands-on experience with: + CQRS pattern + Vertical Slice Architecture
• Solid understanding of: + REST APIs, microservices + Database design and optimization
• AI tools experience (co-pilot, cursor etc.,) as part of their skill set.
• Experience in Entity Framework / ORM tools
• Familiarity with CI/CD tools (Azure DevOps, GitHub Actions)
• Strong knowledge of Git/version control