Clean Harbors is a dynamic and innovative company leveraging cutting-edge technologies to drive business success. We are seeking a **Senior Full Stack Developer** with expertise in **Angular, .NET** , and database technologies to join our Digital Platform Team. The ideal candidate will have a strong track record of developing robust, scalable, and secure applications across the full stack. This role is critical to building innovative digital solutions and enhancing platform capabilities in a collaborative and fast-paced environment. We are looking for flexibility and the capability to adapt to a fast-moving team. We want senior developers who love to learn, code and take up new challenges!! We want developers with a swagger that any problem can be solved by utilizing Technology!! **Why work for Clean Harbors?** + **Health and Safety is our #1 priority, and we live it 3-6-5!** + Competitive wages and robust career growth opportunities. + Comprehensive health benefits coverage after 30 days of full-time employment. + Group 401K with a company matching component. + Generous paid time off, company-paid training, and tuition reimbursement. + Positive and safe work environments, with sustainability as a core value. + **Full Stack Development:** Design, develop, and maintain web applications using **Angular** for frontend and **.NET** (C#/.NET Core) for backend services. + **Database Management:** Create and optimize database schemas, write queries, and ensure data integrity and performance using **SQL Server** or equivalent database systems. + **API Development:** Build and maintain RESTful APIs and microservices to support platform functionalities and integrations. + **Code Quality & Performance:** Write clean, maintainable, and testable code following industry best practices, optimizing application performance and security. + **Troubleshooting & Debugging:** Diagnose and resolve issues across the entire stack to ensure smooth functionality and user experiences. + **Agile Collaboration:** Actively participate in Agile ceremonies such as sprint planning, daily stand-ups, and retrospectives, and work closely with cross-functional teams to deliver high-quality solutions. + **Mentorship & Leadership:** Provide guidance to junior developers, conduct code reviews, and promote best practices across the team. + Bachelor’s degree in computer science, or a related field; Masters or equivalent experience is a plus + 6+ years’ experience as a Full Stack Developer or similar role. + **Frontend:** Expertise in Angular with experience in TypeScript and Angular Material. + **Backend:** Strong experience with .NET (C#/.NET Core) for building APIs and web applications. + **Database:** Advanced knowledge of relational databases (SQL Server, PostgreSQL, or MySQL) with experience in schema design and query optimization. + **Development Tools:** Familiarity with DevOps practices such as CI/CD pipelines, containerization (Docker), and version control (Git). + Experience with cloud platforms such as Azure would be plus + Familiarity with NoSQL databases (e.g., MongoDB). + Knowledge of modern UI/UX design principles and tools. + **Problem Solving:** Excellent debugging and problem-solving skills with the ability to work independently or in a team. + **Communication:** Strong written and verbal communication skills to collaborate effectively across teams. + Excellent communication and teamwork skills. + Great attention to detail. + Organizational skills. + An analytical mind. **Wondering what to expect in starting your career with Clean Harbors?**  Click Here (https://player.vimeo.com/external/150727173.sd.mp4?s=ecd78b6bc9d5bb433c2d70547d7924d34d4c21c5&profile\_id=112)  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  https://careers.cleanharbors.com/ .  **Clean Harbors is an equal opportunity employer. We do not discriminate against applicants due to race, ancestry, color, sexual orientation, gender identity, national origin, religion, age, physical or mental disability, veteran status, or on the basis of any other federal, state/provincial or local protected class. ** Clean Harbors is a Military & Veteran friendly company.  *CH \#LI-AN2