Laval Qc Principal software engineer Jobs – 16 Openings This Week

Principal Backend Engineer
US Mobile —Montréal, QC
- $160,000–$220,000 a year
- Full-time
- Hybrid work
- Software troubleshooting
- System design
- Databases
- Paid time off
Quick apply
14d
Interiors Integrator Engineer (Hybrid: Mirabel, Quebec)
Capgemini —Montréal, QC
- $62,874–$147,504 a year
- Engineering
- English
- Bachelor's
- Disability insurance
- Dental care
Hardware Systems Engineer
CMC Électronique —Saint-Laurent, QC
- $100–$125 a day
- Full-time
- Hybrid work
- Engineering
- English
- Finance
Quick apply
Senior Applied AI Engineer
PSP Investments —Montréal, QC
- Full-time
- Hybrid work
- Azure
- English
- Machine learning
- Paid time off
Applied AI, Technical Lead, Forward Deployed AI Engineer
Mistral AI —Montréal, QC
- Full-time
- Azure
- Doctoral degree
- Computer Science
Principal Backend Programmer
Kabam —Montréal, QC
- $110,000–$150,000 a year
- Full-time
- Computer Science
- Software troubleshooting
- Engineering
- Commuter benefits
- Dental care
Quick apply
14d
Interiors Integrator Engineer (Hybrid: Mirabel, Quebec)
Capgemini Sogeti —Montréal, QC
- $62,874–$147,504 a year
- Engineering
- English
- Bachelor's
- Disability insurance
- Dental care
Software Architect, Platform Services
Petal —Montréal, QC
- Full-time
- Remote
- Azure
- System design
- Bachelor's
- Flexible schedule
Quick apply
Resiliency Architect
Intact —Montréal, QC
- $149,600–$182,800 a year
- Full-time
- Hybrid work
- Azure
- No experience needed
- English
- Employee stock purchase plan
Ingénieur principal – ventilation minière & VOD / Senior Engineer – Mine Ventilation & VOD
Gold Fields Windfall —Montréal, QC
- Contract
- Bilingual
- Engineering
- Bachelor's
Research Associate
Centre universitaire de santé McGill - Institut de Recherche —Montréal, QC
- Temporary
- Doctoral degree
- English
- Research
- Designated paid holidays
- Employee assistance program
Quick apply
1d
FMS System Engineer
CMC Électronique —Montréal, QC
- Full-time
- Engineering
- System design
- Finance
Quick apply
Senior AI Platform & MLOps Specialist
Schneider Electric —Montréal, QC
- Full-time
- Azure
- Machine learning
- Software development
- Disability insurance
- Dental care
9d
Product Manager, Avionics and Mission Computer
CMC Électronique —Saint-Laurent, QC
- Full-time
- Hybrid work
- Engineering
- English
- Master's degree
Quick apply
14d
Cloud & DevOps Specialist
Montrium Inc —Montréal, QC
- Full-time
- Hybrid work
- Computer science
- Computer Science
- DevOps
- Paid time off
Quick apply
2d
Mechanical / Platework Designer
Primero Group —Montréal, QC
- Full-time
- Hybrid work
- Continuous improvement
- No university degree
- Welding
- Paid sick leave

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Principal Backend Engineer

US Mobile -
Montréal, QC

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Job details

Full-time
$160,000–$220,000 a year
14 days ago

Qualifications

Spring Boot
Performance tuning
Software engineering
Data modeling
Software troubleshooting
RESTful API
System design
NoSQL
Git
MongoDB
Databases
AWS
RabbitMQ
Back-end development
Django
Agile
Kafka
Unit testing
Flask
AI
Cross-functional collaboration
Communication skills
Software architecture
Debugging
Cross-functional communication

Full job description

US Mobile is building the future of wireless communication. The goal: one unified network open to any person and any device, worldwide. Connection without walls.

We’re getting there by empowering customers. All three major networks on one phone and one plan, plus home internet from Starlink. No lock-in. No commitments. Custom fit plans at every price point. 24/7 customer support with real people, empowered to help. We get real-time feedback from Reddit, surveys, and customer support informing product roadmaps and everything we do. It’s working — Consumer Reports named us the top-rated mobile carrier two years in a row.*

And we’re building innovative systems that scale. A network agnostic tech stack. Agile, cross-functional teams built on trust and mutual respect. This work isn’t for everyone. If you work fast, flexibly, and collaboratively — without compromising standards — we want to hear from you.

We're looking for an exceptional backend engineer and hands-on architect to help us scale and connect millions of devices to wireless networks. The projects and potential impact are incredible. We're looking for talented, ambitious, and entrepreneurial team members who are excited to tackle these challenges.

You will:

Architect optimal solutions to our business problems
Deploy exciting new features
Help us scale to scale to 10’s of millions of customers & connected devices
Build quality tools and frameworks to ensure a high-quality product
Build systems to ensure continuous uptime

Responsibilities:

Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python (Flask, Django)
Design and implement asynchronous service communication using RabbitMQ or AWS SQS/SNS
Work with NoSQL databases like MongoDB for data modeling and storage
Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features
Write clean, testable, and well-documented code with unit and integration tests
Participate in system architecture design, code reviews, and performance tuning

Qualifications:

10+ years of experience with Java and Spring Boot
Strong experience with building and consuming REST APIs
Hands-on experience with message brokers such as RabbitMQ or AWS SQS/SNS
Familiarity with MongoDB or other NoSQL database technologies
Experience integrating and leveraging AI-assisted development tools such as Claude and Opencode to accelerate backend development, including code generation, debugging, and optimization of APIs and services.
Demonstrated ability to incorporate AI tools into the software development lifecycle, using Claude or Opencode for tasks like automated code reviews, documentation generation, and improving system design efficiency.
Solid understanding of Git, CI/CD workflows, and agile development practices
Excellent debugging, problem-solving, and communication skills
Excellent problem-solving and debugging skills
Strong communication and team collaboration skills

Benefits:

Health care coverage
Flexible paid time off
Gym reimbursement
Free cell phone service
Your choice of equipment + Bose QC/Apple Airpod Pro headphones

Think you're a good fit? Apply to learn more!

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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Refine Your Search

principal software engineer jobs in laval qc

Principal Backend Engineer

Interiors Integrator Engineer (Hybrid: Mirabel, Quebec)

Hardware Systems Engineer

Senior Applied AI Engineer

Applied AI, Technical Lead, Forward Deployed AI Engineer

Principal Backend Programmer

Interiors Integrator Engineer (Hybrid: Mirabel, Quebec)

Software Architect, Platform Services

Resiliency Architect

Ingénieur principal – ventilation minière & VOD / Senior Engineer – Mine Ventilation & VOD

Research Associate

FMS System Engineer

Senior AI Platform & MLOps Specialist

Product Manager, Avionics and Mission Computer

Cloud & DevOps Specialist

Mechanical / Platework Designer

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