Senior Software Engineer

trane technologies•Montreal, QC

4d•Hybrid

About The Position

The Senior Software Engineer on the Algorithm Team plays a key role in designing, building, and maintaining the core software systems that power BrainBox AI’s autonomous HVAC optimization platform. This role focuses on developing scalable microservices, enabling real‑time data processing, and collaborating with data scientists and ML engineers to bring intelligent building algorithms into production.

Requirements

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field
5+ years of professional software development experience
Advanced proficiency in Python, including asynchronous programming
Experience building microservices and APIs using FastAPI
Hands‑on experience with Kafka or similar real‑time messaging technologies
Strong knowledge of AWS cloud services (ex: Lambda, ECS, EC2, S3, IAM)
Experience with DynamoDB or comparable NoSQL databases
Experience using Docker to package and deploy applications
Ability to write clean, maintainable, well‑tested code
Experience working in Agile environments
French-English bilingualism is required.
Full professional proficiency in English

Nice To Haves

Background working on algorithmic or data‑driven systems is a strong asset
Experience mentoring teammates and contributing to architectural decisions

Responsibilities

Design, build, and maintain high‑performance microservices that support BrainBox AI’s autonomous HVAC optimization platform.
Collaborate closely with data scientists and machine learning engineers to productionize advanced building‑control algorithms.
Develop reliable, scalable APIs using FastAPI to support real‑time data ingestion, processing, and decision‑making workflows.
Implement event‑driven architectures using Kafka to enable high‑throughput streaming and distributed processing.
Create, optimize, and maintain NoSQL data models with DynamoDB to support large‑scale operational workloads.
Deploy and manage cloud‑native services on AWS following best‑practice security, performance, and resiliency standards.
Build, containerize, and maintain application components using Docker for consistent deployment across environments.
Contribute to architectural decisions, ensuring systems are robust, maintainable, and scalable as the platform evolves.
Troubleshoot and resolve complex production issues, ensuring high system reliability and performance.
Participate in Agile ceremonies, code reviews, and collaborative planning with a highly cross‑functional team.
Mentor junior developers and provide guidance on coding standards, design practices, and problem‑solving approaches.