Application Technical Lead

At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. We are solving tough problems through innovation and proven methodology—come be part of the solution with us.

About the role

The Application Technical Lead guides a team of software developers and works closely with other key team members (e.g., Tech Manager, QA, Product) to define business requirements, estimate and assign tasks, and resolve defects. They also collaborate with architects on technical design and architecture within their project team.

Responsibilities

• Mentor and coordinate a 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 the DevOps team
• Collaborate with Product Owners to clarify business logic and resolve requirement uncertainties
• Proactively monitor error logs and APM tools to find and correct production issues
• Ensure effort estimates are appropriate and based on realistic assumptions
• Keep the 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
• Lead the adoption of AI-enabled solutions within application architecture, ensuring scalability, security, and measurable business value
• Evaluate when AI adds value versus traditional deterministic solutions

Qualifications

• 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

Benefits

• Health and Safety as the top priority
• Competitive wages
• Comprehensive health benefits coverage after 30 days of full-time employment
• Group 401K with company matching component
• 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 career stages