Ameresco, Inc. (NYSE:AMRC) is a leading energy solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the global energy transition. We are a trusted, full-service partner to public sector and government entities, K-12 schools, higher education, utilities, and healthcare customers across the U.S., Canada, the U.K., and Europe. At Ameresco, we show the way by developing, constructing and operating tailored smart energy efficiency solutions, distributed energy resources, and infrastructure upgrades that drive cost savings, resilience, decarbonization, and innovation. Our comprehensive portfolio is built to address the challenges of today and adapt the future, ensuring long-term sustainability and success for our customers. Ameresco has an immediate opening for a Full-Stack Developer in our ASG (Asset Sustainability Group). We are seeking a talented and enthusiastic Full-Stack Developer with a strong commitment to creating robust and scalable applications. The ideal candidate should possess proficiency in back-end & front-end development, database design, and infrastructure management. Responsibilities: Implement and maintain features in both front-end and back-end applications. Design, develop, and maintain existing web applications, including those deployed to mobile devices. Support internal front-end and back-end developers to ensure system consistency and improve application performance. Ensuring the performance, quality, and responsiveness of applications. Write clean, modern and maintainable code. Collaborate to create high-quality, scalable solutions with Stakeholders, Operations & Support and other development teams. Conduct code reviews and provide constructive feedback to team members. Troubleshoot and resolve application issues and bugs. Highlight areas of improvement within the code base, with a positive attitude towards change. Stay updated with emerging technologies and industry trends. Minimum Qualifications: A degree from an accredited Computer Science or Information Technology program or equivalent professional experience. Minimum of 5 years of experience in web/software development. Additional Qualifications: Proven experience as a Software Developer in a commercial environment. A comprehensive understanding of the basics of web applications; HTML, CSS & JavaScript. Proficiency in back-end development with PHP 8+ and Python 3+. Competence in database design & maintenance around MySQL 8+ and/or PostgreSQL. Experience with front-end technologies such as Angular 18+. Ability to deploy, maintain and securely manage Unix-based servers. Strong understanding of software development principles and best practices, including those around security, accessibility and maintainability. Ability to develop applications suitable in an enterprise environment. A good understanding of common CI/CD processes and version control (git). Excellent problem-solving skills and attention to detail. Ability to work independently, or as a team, to achieve defined goals. Strong written and verbal communication skills. Experience with user research methodologies and usability testing. Ability to write performant code and optimize end-user performance. #LI-SMC AMERESCO challenges the brightest, most talented, and creative individuals in the industry by providing an environment that fosters initiative and achievement. We are proud of our comprehensive and competitive employee benefits, including people-oriented insurance, investment, and incentive plans. All official communications from Ameresco will originate from an @ameresco.com email address. Any correspondence from other domains should be regarded as fraudulent. Please report any suspicious activity to the platform where the issue was encountered. Ameresco is an Equal Opportunity Employer.