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Be a part of our mission! As a world leader in creating comfortable, sustainable, and efficient climate solutions for buildings, homes and transportation, it's our responsibility to put the planet first. For us at Trane Technologies, and through our businesses including Trane® and Thermo King, sustainability is not just how we do business—it is our business. Do you dare to look at the world's challenges and see impactful possibilities? Do you want to contribute to making a better future? If the answer is yes, we invite you to consider joining us in boldly challenging what's possible for a sustainable world.

Learn about our benefits designed for you to Thrive at work and at home.

We boldly go.

Where is the work:

Our BrainBox AI Workplace Presence model dedicates specific in-office days each month to focus on relationships, learning and innovation.

What's in it for you:

Join BrainBox AI’s Algorithm Team in Montreal and help build technology that makes commercial buildings smarter, more efficient, and more sustainable. As a Junior Software Engineer, you will work alongside experienced software developers, data scientists, and machine learning engineers to support the systems that power BrainBox AI’s autonomous HVAC optimization platform. This is an excellent opportunity to grow your software engineering skills in a collaborative, innovative, and mission-driven environment while contributing to solutions with real-world environmental impact.

What you will do:

• Support the development and maintenance of backend services for the Algorithm Team’s platform and tools.
• Contribute to building APIs and microservices using Python and FastAPI.
• Assist in implementing and improving data processing workflows using Kafka and related streaming technologies.
• Help develop and maintain cloud-based applications and services deployed on AWS.
• Support the design and maintenance of DynamoDB data models and other application data structures.
• Work with Docker to containerize applications and support consistent deployment practices.
• Collaborate with senior developers, data scientists, and cross-functional teammates to deliver technical solutions.
• Participate in code reviews, testing, debugging, and troubleshooting activities.
• Write clean, maintainable, and well-documented code following engineering best practices.
• Contribute to Agile team ceremonies such as sprint planning, stand-ups, and retrospectives.
• Learn and work with internal tools or frameworks such as Kiro as needed.

What you will bring:

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.
• 0–3 years of software development experience, including internships, co-op terms, or entry-level professional experience.
• Foundational proficiency in Python for backend development.
• Exposure to API or microservice development, ideally with FastAPI or similar frameworks.
• Basic understanding of cloud platforms such as AWS.
• Familiarity with Docker and container-based development workflows.
• Exposure to NoSQL databases such as DynamoDB or similar technologies.
• Basic understanding of event-driven systems or messaging tools such as Kafka is an asset.
• Strong problem-solving skills and willingness to learn in a fast-paced technical environment.
• Ability to collaborate effectively with teammates and communicate clearly.
• Eagerness to learn new tools, systems, and engineering practices.

Language Requirements

French-English bilingualism is required. In addition to fluency in French, successful candidates must have full professional proficiency in English in order to support and collaborate with English-speaking clients, colleagues and/or various stakeholders.

Annual Base Salary Range or Hourly Base Pay Range:

$59,500.00 - $84,560.00

Compensation Type:

Salary

Incentive Eligible:

No

Sales Commission Eligible:

No

Disclaimer: We strive to provide competitive compensation for this position, tailored to a variety of factors. The actual compensation will depend on elements such as seniority, merit, geographic location, education, experience, travel requirements, and union designation. Our compensation range is generally based on the national average for the country. Additionally, benefits may vary depending on the region, business alignment, union involvement, and employee status.

This posting is for an existing vacancy. The position is imminently available, and qualified candidates will be considered for immediate placement.

We offer competitive compensation and comprehensive benefits and programs. We are an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, age, marital status, disability, status as a protected veteran, or any legally protected status.