Senior .NET Fullstack Engineer

Engineer Software IT Sr

About CleanHarbors

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, who today remains the company’s Chairman and CTO.

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.

Clean Harbors India has been strategically established as the Global Capability Center (GCC) to serve our parent company. We take pride in serving some of the most tech savvy business stakeholders at Clean Harbors. The GCC employees form part of our globally integrated teams that provide cutting-edge IT solutions and production support across platforms. Our shared services teams work seamlessly with their global counterparts in providing critical 24x7 support in various functions including Finance, HR, Procurement, IT and Operations. Our aggressive growth plans open significant career advancement opportunities for our employees.

Job Title:  Senior Engineer - .NET Fullstack

Experience: 8 - 12 Years

Location: Hyderabad (Work from Office)

Working hours: 12.00 PM to 9.00 PM IST

• Design, develop, and maintain high-performance .NET applications using Microsoft .NET, ASP.NET, .NET 10 Core, and related frameworks.
• Build, enhance, and optimize RESTful APIs for large-scale, high-availability systems.
• Work with SQL databases to write basic queries, stored procedures, and views (Beginner–Intermediate proficiency acceptable).
• Collaborate in Agile/Scrum teams and contribute to sprint planning, estimation, and delivery.
• Utilize GitHub, GitHub Copilot, and other DevOps tools to improve development speed, maintainability, and code quality.
• Implement best practices in software design, including SOLID principles, secure coding, and performance optimization.
• Write unit tests using unit, NUnit, or equivalent testing frameworks.

• Minimum 8+ years of proven experience as a Full Stack Developer or similar role.
• Strong expertise in: 
  • Microsoft .NET, ASP.NET MVC, .NET 10 Core
  • C#, ADO.NET
  • ASP.NET Web API
  • JavaScript, TypeScript, CSS
  • AngularJS or similar front-end frameworks (good to have)
• 5+ years of hands-on experience building and maintaining RESTful APIs.
• SQL development knowledge (Beginner–Intermediate acceptable).
• Familiarity with Git, GitHub, GitHub Copilot, or TFS for version control and code collaboration.
• Solid understanding of object-oriented design and SOLID principles.
• Experience with unit testing frameworks such as xUnit or NUnit.
• Prior experience with AI-assisted development tools (e.g., GitHub Copilot, Copilot for M365).

Experience Level

Senior Level