Intermediate Software Engineer Jobs in Markham, ON

ecobee introduced the world's first smart Wi-Fi thermostat to help millions of consumers save money, conserve energy, and bring home automation into their lives. That was just the beginning. We continue our pursuit to create technology that brings peace of mind into the home and allows people to focus on the moments that matter most. We take pride in making a meaningful difference to the environment, all while being part of the exciting, connected home revolution.

In 2021, ecobee became a subsidiary of Generac Power Systems. Generac introduced the first affordable backup generator and later created the category of automatic home standby generator. The company is committed to sustainable, cleaner energy products poised to revolutionize the 21st century electrical grid. Together, we take pride in making a meaningful difference to the environment.

We're helping build the world of tomorrow with solutions that improve everyday life while making a positive impact onthe planet. Ourproducts and serviceswork in harmonytoprovide comfort, efficiency, and peace of mind for millions of homes and businesses. While we're proud of what we've done so far, there's still a lot we can do-and you can be part of it.

We're a rapidly growing global tech company headquartered in Canada, in the heart of downtown Toronto, with an office in Leeds, UK, and remote ecopeeps in the US. We get to work with some of North America and UK's leading professionals. Our colleagues are proud to bring their authentic selves to work, confident that what we do is grounded in a greater purpose. We're always looking for curious, talented, and passionate people to join our team.

Who You'll Be Joining

We are looking for a Software Engineer to join our Device Management Services team. This team is responsible for building and maintaining distributed backend systems that enable large-scale IoT device connectivity, onboarding, authentication, authorization, and persistent communication between devices and cloud-based applications.

In this role, you will contribute to the design and development of highly scalable, fault-tolerant backend services that power real-time device communication and orchestration. You will work across modern distributed systems as well as existing large-scale Java-based monolithic systems.

This is a high-impact engineering role at the core of Generac's connected device ecosystem. You will be working on systems that directly power millions of IoT devices and enable real-time intelligence, control, and automation across our platforms.

You will have the opportunity to work across modern cloud-native architectures while also influencing the evolution of foundational systems as we scale toward next-generation IoT capabilities.

This role follows a hybrid schedule, with in-office work required on Wednesdays and Thursdays from our Toronto office to support collaboration, and flexibility to work remotely for the remainder of the week.

How You'll Make an Impact

• Design, develop, and maintain distributed backend services supporting IoT device connectivity at scale
• Build and enhance systems for device onboarding, authentication, authorization, and lifecycle management
• Develop APIs and services enabling bi-directional communication between cloud applications and connected devices
• Work on both modern Go-based services and existing Java-based monolithic systems
• Collaborate with internal platform teams (e.g., energy, device intelligence, and security services) to support device-driven capabilities
• Contribute to system reliability, scalability, and performance improvements
• Participate in debugging, root cause analysis, and resolution of complex distributed system issues
• Develop and maintain CI/CD pipelines and support deployment processes in a cloud-native environment
• Ensure operational excellence through monitoring, logging, and incident response practices
• Collaborate with cross-functional engineering teams to deliver end-to-end solutions

What You'll Bring to the Table

Required Qualifications

• 3-5 years of experience in backend software engineering
• Strong programming experience in Java, Golang and Python
• Comfortable reading, debugging, and contributing to Java-based systems and microservice architecture
• Exposure or willingness to work in Go-based microservices environments
• Strong understanding of distributed systems and backend service architecture
• Experience working with cloud platforms (preferably GCP or AWS)
• Strong understanding of RESTful APIs and microservice architecture
• Experience with CI/CD pipelines and modern software delivery practices
• Exposure to Kubernetes and containerized deployments
• Working knowledge of Linux-based environments and Git version control
• Strong problem-solving skills and ability to debug complex system issues

Nice to Have

• Experience with AWS IoT Core and IoT device connectivity platforms, with a strong emphasis on MQTT-based communication
• Familiarity with Python for scripting, automation, or tooling
• Experience working in DevOps-oriented or infrastructure-heavy environments
• Understanding of device connectivity, telemetry, and real-time messaging systems, with the ability to define, measure, and communicate performance and reliability through SLOs and SLAs.
• Prior experience working on connected devices or large-scale distributed systems
• Exposure to multi-cloud environments (GCP + AWS)

Just so you know:Our hired candidate will be required to provide consent to complete a criminal background check

What happens after you apply:

Application review. It will happen. By an actual person in Talent Acquisition. We get upwards of 100+ applications for some roles, it can take a few days, but every applicant can expect a note regarding their application status.

Interview Process:

• A 30-minute phone call with a member in Talent Acquisition
• A 30-minute virtual interview with the Hiring Manager
• The final interview will be a 90-minute technical deep dive interview with the team

#LI-UF1

Generac is committed to fair and equitable compensation practices. The salary range for this role, based in Toronto, Ontario, Canada, is between $91,700 CAD - $119,200 CAD. This compensation will ultimately be in line with the location in which the position is filled. Final compensation for this role will be determined by various factors such as a candidate's relevant work experience, skills, certifications and geographic location. This role is eligible for variable compensation, including short-term and long-term incentives.

This position includes a comprehensive benefit package that includes medical, dental and vision plans; life, long-term disability, flexible spending and health savings accounts, accrued paid time off, paid Holidays (10 for Ontario, 11 for British Columbia) and RRSP retirement benefits.

The Company is committed to improving accessibility for Canadian with disabilities and to ensuring that all our employees and applicants have the support and the tools they need to succeed. We have developed policies relating to human rights, accessibility, and accommodation, and provide all our employees with training on accessibility including under provincial legislation such as the Accessibility for Ontarians with Disabilities Act, 2005, either during orientation and/or on an ongoing basis. If you feel you need accommodation in relation to a disability in the application process or in the future, or have a question or concern about our policies, please reach out to askHR@generac.com

Physical Demands (Applicable in the USA and Canada): While performing the duties of this job, the employee is regularly required to talk and hear; and use hands to manipulate objects or controls. The employee is regularly required to stand and walk. On occasion the incumbent may be required to stoop, bend or reach above the shoulders. The employee must occasionally lift up to 25 - 50 pounds. Specific conditions of this job are typical of frequent and continuous computer-based work requiring periods of sitting, close vision and ability to adjust focus. Occasional travel.

Accessibility Statement (Applicable in the United Kingdom): The Company is committed to improving accessibility for employees and applicants with disabilities and to ensuring that they have the support and the tools they need to succeed. We have developed policies relating to human rights, accessibility, and accommodation, in line with the Equality Act 2010. If you feel you need consideration of 'reasonable adjustments' where possible relation to a disability in the application process or in the future, or have a question or concern about our policies, please reach out to askHR@generac.com.

"We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law."