{"id":4025691,"url":"https://alion.io/job/clean-harbors-lead-engineer-net-fullstack","title":"Lead Engineer - .Net Fullstack","company":{"id":1849239,"name":"Clean Harbors","domain":"cleanharbors.com","url":"https://alion.io/company/cleanharbors-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":77,"open_postings":113,"ghost_share":0,"stale_share":0.894,"repost_share":0.018,"time_to_fill_p50_days":30,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hyderabad, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"Azure Cosmos DB","optional":false},{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Rest API","optional":false},{"name":"TypeScript","optional":false},{"name":"xUnit","optional":false},{"name":"CI/CD","optional":true},{"name":"React.js","optional":true},{"name":"Vue.js","optional":true}],"status":"live","first_seen_at":"2026-11-10T13:38:58Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T16:48:43Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About CleanHarbors:\nClean 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.\nEverywhere 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.\nClean 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.\nJob Title: .NET Technical Lead\nExperience: 10 - 14 Years\nLocation: Hyderabad (Work from Office)\nWorking hours: 12.00 PM to 9.00 PM IST\n Lead solution design, architecture decisions, coding, and advanced debugging across the full stack.\nEnsure documented standards, engineering processes, and development best practices are consistently\nfollowed.\nPerform and oversee unit, integration, and system testing to ensure conformance to functional and\ntechnical specifications.\nProvide production support and root cause analysis for critical incidents (3rd line support).\nDevelop and maintain scalable web applications using AngularJS, .NET, C#, CSS, JavaScript, and TypeScript.\nDesign and implement high-performance, user-friendly interfaces.\nCollaborate with cross-functional teams to define, design, and deliver high-quality features.\nEnsure performance, security, scalability, and responsiveness of applications.\nTroubleshoot complex issues across application layers and mentor team members in resolution\napproaches.\nStay current with emerging technologies and evaluate their applicability to the platform.\nDrive AI-assisted development practices to improve engineering productivity, code quality, and\ndocumentation.\nApply and guide the team in Prompt Engineering techniques for programming tasks including code\ngeneration, refactoring, test creation, debugging, documentation, and performance optimization.\nEstablish responsible and secure usage standards for AI coding tools within the development lifecycle.\n 10+ years of proven experience as a Full Stack Developer / Technical Lead.\nStrong hands-on experience with AngularJS, ASP.NET Web API, MVC, C#, ADO.NET, CSS, JavaScript, and\nTypeScript.\n5+ years of experience building RESTful APIs.\n5+ years of experience writing complex relational database queries, stored procedures, and views.\n5+ years of experience with Azure cloud services (Azure Functions, Azure Cosmos DB, Azure App Services).\n5+ years of experience working in Agile environments using tools such as Azure DevOps and/or JIRA.\nExperience with source control tools such as TFS and/or Git.\nStrong understanding of SOLID principles and object-oriented design.\nExperience with unit testing frameworks such as xUnit or NUnit.\nHands-on experience using AI-powered development tools (e.g., Claude, Cursor AI, GitHub Copilot, or\nsimilar) in day-to-day engineering workflows.\nDemonstrated ability to craft effective prompts for complex programming tasks (Prompt Engineering for\nsoftware development).\nExcellent analytical, problem-solving, and leadership skills.\nStrong communication and stakeholder management abilities.\nPreferred Qualifications:\nDeep experience with Azure cloud platform architecture and optimization.\nKnowledge of additional front-end frameworks (React, Vue.js).\nFamiliarity with DevOps practices, CI/CD automation, and 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