Application Technical Lead

The Application Technical Lead guides a team of software developers and is responsible to work closely with other key team members (i.e. Tech Mgr, QA, Product) to define business requirements, estimate and assign tasks, and resolve defects. They will also work with the architects on technical design and architecture in their project team.

Why work for Clean Harbors?

• Health and Safety is our #1 priority and we live it 3-6-5!

• Competitive wages

• Comprehensive health benefits coverage after 30 days of full-time employment

• Group 401K with company matching component

• Own part of Clean Harbors with our Employee Stock Purchase Plan (U.S. Only)

• Generous paid time off, company-paid training, and tuition reimbursement
• Positive and safe work environments

• Opportunities for growth and development for all the stages of your career

• Mentor and coordinate team of developers

• Enforce code and design standards within the development team; perform code reviews

• Collaborate with Solution and Enterprise Architects on application design and implementation patterns

• Recommend and iterate on solution designs and patterns to build performant, scalable and maintainable enterprise applications

• Recommend tools and technologies to improve development quality and/or productivity

• Create and manage application build and deploy pipelines, following guidance provided by DevOps team

• Collaborate with Product Owners to clarify business logic and resolve requirement uncertainties

• Proactively monitor our error logs and APM tool to find and correct production issues.

• Ensure that effort estimates are appropriate, and are based on realistic assumptions

• Keep team focused on project tasks to meet delivery commitments; Communicate issues that may affect release dates.

• Evaluate alternate solutions to technical problems to determine the most appropriate outcome.

• Leads the adoption of AI-enabled solutions within application architecture, ensuring scalability, security, and measurable business value

• Ability to evaluate when AI adds value versus traditional deterministic solutions.

• Proficient with the Microsoft .NET technology stack, including C#, .NET Core, ASP.NET Web API, and related frameworks

• Strong experience writing and optimizing T-SQL for Microsoft SQL Server

• Experience with Angular or similar modern front-end frameworks preferred

• Solid understanding of software architecture principles and patterns, including SOA, Object-Oriented design, MVC, and CQRS

• Experience working in Agile environments, with exposure to scenario-driven and test-driven development practices

• Experience integrating AI-powered capabilities into enterprise applications, such as:

  • Consuming AI/ML APIs (e.g., document processing, classification, summarization, or natural language interfaces)

  • Designing systems that incorporate LLM-based services responsibly (prompt design, validation, monitoring, and cost controls)

  • Applying AI solutions to improve operational efficiency, decision support, or user experience

• 5+ years of software development experience, including 3+ years in a Technical Lead role, providing architectural guidance, mentoring engineers, and driving delivery standards

Wondering what to expect in starting your career with Clean Harbors? Click Here to view a Day in the Life Video!

40-years of sustainability in action. At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. Clean Harbors is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment,

Clean Harbors is on-site, providing premier environmental, energy and industrial services. We are solving tough problems through innovation and proven methodology – come be part of the solution with us.

Join our safety focused team today! To learn more about our company, and to apply online for this exciting opportunity, visit us at

Clean Harbors is an equal opportunity employer.

Clean Harbors is committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact [email protected] or 1-844-922-5547.

Clean Harbors is a Military & Veteran friendly company.

Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package.