About the role
We are looking for a Full Stack Developer with strong expertise in Java for backend development and modern JavaScript frameworks—preferably Svelte, though React or Angular experience will also be considered. You will play a key role in designing, developing, and maintaining end-to-end web applications that deliver exceptional user experiences and robust backend services.
This is a hands-on role for someone who thrives on building scalable, high-performance systems and elegant, responsive frontends.
Responsibilities:
- Design, develop, and maintain scalable backend services using Java (Spring Boot or similar frameworks).
- Build interactive and high-performing user interfaces using Svelte, or other modern frontend frameworks such as React or Angular.
- Integrate APIs and third-party services to deliver seamless end-to-end functionality.
- Collaborate closely with UX/UI designers, product managers, and other developers to deliver features from concept to production.
- Implement automated tests, CI/CD pipelines, and ensure code quality through code reviews and best practices.
- Optimize applications for performance, security, and scalability.
- Troubleshoot and resolve production issues, contributing to continuous improvement and reliability.
- Stay current with emerging technologies and suggest improvements to development processes.
Required Skills & Qualifications
- Bachelor’s degree in computer science, Software Engineering, or related field (or equivalent experience).
- 3+ years of professional experience* as a Full Stack or Software Developer.
- Strong proficiency in Java, including experience with *Spring Boot framework.
- Experience building responsive web interfaces using Svelte, React, or Angular.
- Solid understanding of RESTful API design and implementation.
- Hands-on experience with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB).
- Proficient in HTML5, CSS3, and modern JavaScript (ES6+).
- Familiarity with Git, CI/CD pipelines, Docker, and cloud environments (AWS).
- Strong problem-solving skills and a passion for clean, maintainable code.
- Experience with GraphQL or WebSockets for real-time applications.
About GFL Environmental
Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions that allow clients to focus on their core business. Our excellence starts with our local leadership and local presence. In fact, in North America alone, we have an extensive network of offices to support our local communities and customers. We take pride in our extensive knowledge in a range of specialty sectors such as education, healthcare, retail, commercial real estate, government and corporate campuses, etc. We believe there is no greater purpose than serving and safeguarding customers, communities and people in today’s world. Allied Universal is There for you™.
Allied Universal’s Canadian operations are a hallmark of integrity, discretion, and professionalism. For over 20 years, we have provided unparalleled service, systems, and solutions to serve, secure, and care for the people and businesses throughout Canada. Our relationships with our employees and clients are at the heart of everything we do, each and every day. With a large span of regional offices, our national reach and local presence covers the nation.
Through our one-on-one collaboration, we partner with you to truly understand your security needs and goals. Through our leading services, systems, and solutions—security services, technology services, and complementary services— Allied Universal is There for you. ™ Commercial, Industrial, Retail & Law Enforcement markets have been our primary focus.
Our commitment to finding the highest quality products is never ending, whether for the Industrial Mining, Nuclear, Forestry industry, or the Retail, Commercial industries, our clients gain our knowledge of “What Works” for their respective businesses.
About the role
We are looking for a Full Stack Developer with strong expertise in Java for backend development and modern JavaScript frameworks—preferably Svelte, though React or Angular experience will also be considered. You will play a key role in designing, developing, and maintaining end-to-end web applications that deliver exceptional user experiences and robust backend services.
This is a hands-on role for someone who thrives on building scalable, high-performance systems and elegant, responsive frontends.
Responsibilities:
- Design, develop, and maintain scalable backend services using Java (Spring Boot or similar frameworks).
- Build interactive and high-performing user interfaces using Svelte, or other modern frontend frameworks such as React or Angular.
- Integrate APIs and third-party services to deliver seamless end-to-end functionality.
- Collaborate closely with UX/UI designers, product managers, and other developers to deliver features from concept to production.
- Implement automated tests, CI/CD pipelines, and ensure code quality through code reviews and best practices.
- Optimize applications for performance, security, and scalability.
- Troubleshoot and resolve production issues, contributing to continuous improvement and reliability.
- Stay current with emerging technologies and suggest improvements to development processes.
Required Skills & Qualifications
- Bachelor’s degree in computer science, Software Engineering, or related field (or equivalent experience).
- 3+ years of professional experience* as a Full Stack or Software Developer.
- Strong proficiency in Java, including experience with *Spring Boot framework.
- Experience building responsive web interfaces using Svelte, React, or Angular.
- Solid understanding of RESTful API design and implementation.
- Hands-on experience with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB).
- Proficient in HTML5, CSS3, and modern JavaScript (ES6+).
- Familiarity with Git, CI/CD pipelines, Docker, and cloud environments (AWS).
- Strong problem-solving skills and a passion for clean, maintainable code.
- Experience with GraphQL or WebSockets for real-time applications.
About GFL Environmental
Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions that allow clients to focus on their core business. Our excellence starts with our local leadership and local presence. In fact, in North America alone, we have an extensive network of offices to support our local communities and customers. We take pride in our extensive knowledge in a range of specialty sectors such as education, healthcare, retail, commercial real estate, government and corporate campuses, etc. We believe there is no greater purpose than serving and safeguarding customers, communities and people in today’s world. Allied Universal is There for you™.
Allied Universal’s Canadian operations are a hallmark of integrity, discretion, and professionalism. For over 20 years, we have provided unparalleled service, systems, and solutions to serve, secure, and care for the people and businesses throughout Canada. Our relationships with our employees and clients are at the heart of everything we do, each and every day. With a large span of regional offices, our national reach and local presence covers the nation.
Through our one-on-one collaboration, we partner with you to truly understand your security needs and goals. Through our leading services, systems, and solutions—security services, technology services, and complementary services— Allied Universal is There for you. ™ Commercial, Industrial, Retail & Law Enforcement markets have been our primary focus.
Our commitment to finding the highest quality products is never ending, whether for the Industrial Mining, Nuclear, Forestry industry, or the Retail, Commercial industries, our clients gain our knowledge of “What Works” for their respective businesses.