Ingénieur logiciel principal / Senior Software Engineer

trane technologies•Montreal, QC

36d•Hybrid

About The Position

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. Nous cherchons un Ingénieur logiciel principal pour joindre notre équipe du Cloud Building Management System (CBMS), avec un rôle axé sur la conception, le développement et la maintenance de systèmes dorsaux évolutifs qui alimentent l’automatisation intelligente des bâtiments. Le ou la candidat(e) idéal(e) possède une expertise approfondie en Python, en architecture de microservices et en développement infonuagique, avec une solide connaissance des services AWS ou GCP et des modèles d’architecture infonuagique. Ce rôle offre un chemin clair vers un poste d’architecte technique pour les ingénieurs démontrant un esprit systémique et la capacité d’influencer les décisions d’architecture à l’échelle de la plateforme. Une expérience en automatisation de bâtiments, en applications IoT ou en systèmes CVAC est fortement valorisée, puisque vous travaillerez sur des solutions visant à optimiser l’efficacité énergétique et la performance des bâtiments à grande échelle. English Follows We are seeking a Senior Software Engineer to join our Cloud Building Management System (CBMS) team, focusing on designing, developing, and maintaining scalable backend systems that power intelligent building automation. The ideal candidate will bring deep expertise in Python, microservices architecture, and cloud-native development, with a strong foundation in AWS or GCP services and architectural patterns. This role offers a clear path to a technical architect position for engineers who demonstrate systems thinking and the ability to drive architectural decisions across the platform. Experience with building automation, IoT applications, or HVAC systems is highly valued, as you will be working on solutions that optimize energy efficiency and building performance at scale.

Requirements

Bachelor's or Master's degree in Computer Science, Software Engineering, or related field
7+ years of experience in backend development with Python
Strong understanding of microservices architecture, distributed systems, and REST-based APIs
Hands-on experience with AWS or GCP cloud services (e.g., Lambda, ECS, S3, Cloud Functions, Pub/Sub, BigQuery)
Working knowledge of cloud architectural patterns including serverless, event-driven, and container-based deployments
Proficiency with NoSQL (Cassandra) and relational (PostgreSQL) databases
Experience with message brokers (Kafka) and caching solutions (Redis)
Experience with CI/CD pipelines and infrastructure-as-code practices
Excellent problem-solving skills with attention to scalability, security, and operational concerns
Strong communication skills with the ability to articulate technical concepts to diverse audiences
Self-motivated with the ability to work independently in a remote or hybrid environment
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.

Nice To Haves

Experience with building automation systems, HVAC controls, or smart building technologies
Familiarity with IoT protocols (BACnet, Modbus, MQTT) and edge computing patterns
Experience with multi-cloud or hybrid cloud architectures
Knowledge of containerization (Docker) and orchestration (Kubernetes, ECS)
Experience with observability tools (Datadog, Prometheus, Grafana)
Background in energy management, sustainability, or building performance optimization
Prior experience mentoring engineers or leading technical initiatives
AWS or GCP professional certifications

Responsibilities

Design and develop high-performance, cloud-native backend systems using Python and microservices architecture
Evaluate and recommend cloud services and architectural patterns (AWS/GCP) that align with scalability, reliability, and cost objectives
Create and maintain architectural documentation, including system diagrams, API specifications, and design decision records
Lead technical design reviews and contribute to the evolution of our platform architecture
Implement RESTful APIs and event-driven architectures for seamless communication between services
Develop and maintain data pipelines using Kafka for real-time streaming and Redis for caching
Work with NoSQL (Cassandra) and relational (PostgreSQL) databases to build robust data persistence layers
Integrate with IoT devices and building automation protocols to collect and process telemetry data
Design, implement, and maintain CI/CD pipelines for automated testing, deployment, and monitoring
Troubleshoot and optimize existing systems for improved performance, reliability, and observability
Participate in code reviews and mentor team members on best practices and architectural principles
Collaborate with cross-functional teams including product, data science, and mechanical engineering