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Added 2 months ago
TR
Senior Software Engineer I
Thomson Reuters
Toronto, ON
- Full-time
We're looking for a Senior Software Engineer to join the CoCounsel Applications team and play a hands-on role in building and evolving our external integration strategy leveraging MCP and…
Added 2 months ago
TR
Staff Software Engineer I
Thomson Reuters
Toronto, ON
- Full-time
We're looking for a Lead Engineer to join the CoCounsel Application Experience team and play a hands-on technical leadership role in building and evolving our core product experiences. In…
Added 2 months ago
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Senior Software Engineer, Data Systems
Hive
Remote, Canada
- Full-time
- Remote
As a Senior Data Engineer, you’ll play a vital role in evolving our data platform, which directly determines what our customers can do, how fast our product moves, and how confidently…
Added 2 months ago
A
Software Engineer, Education
Autodesk
Toronto, ON · Montreal, QC · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
…programs, and certifications. We are seeking a Software Development Engineer to build and deliver education-focused product experiences that support teaching and learning across Autodesk…
Added 2 months ago
E
Sr. Data Engineer
eBay
Toronto, ON
- Full-time
We are seeking a talented and passionate Data Engineer to join our team to architect, design, and develop innovative, high-performance, and scalable data pipelines. In this role, you will…
Added 2 months ago
MS
Principal Software Engineer, Avigilon Access Control
Motorola Solutions
Vancouver, BC
- Full-time
Motorola Solutions Inc. (MSI) is seeking an experienced Principal Software Development Engineer to lead the evolution and optimization of our high-scale Access Control solution. This role…
Added 2 months ago
Senior Controls Software Developer
Ballard Spahr LLP
Burnaby, BC
Product Engineering has an immediate opening for a Senior Controls Software Engineer to join the Systems Engineering team. Successful candidates will possess demonstrated capability and…
Added 2 months ago
E
Data Engineer
eBay
Toronto, ON
- Full-time
We are looking for a talented and passionate Data Engineer to join our team and help build scalable, reliable data solutions that power critical experiences across eBay.
Added 2 months ago
Java Developer
Capgemini
Montreal, QC
We're seeking a Java Engineer to join our Firm Market Risk Technology team. In this role, you will develop and enhance the Firm's Market Risk Platform.
Added 2 months ago
UM
Principal Backend Engineer
US Mobile
Toronto, ON
- Full-time
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…
Added 2 months ago
UM
Principal Backend Engineer
US Mobile
Montreal, QC
- Full-time
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…
Added 2 months ago
Senior Forward Deployed Engineer (Gemini Enterprise)
Artefact North America
Montreal, QC
Artefact is looking for a Senior Deployed AI Engineer specialized in Gemini Enterprise and the Google AI stack: an engineer who works embedded with our clients and takes AI products from…
Added 2 months ago
Senior, AI & Data Science
Artefact North America
Montreal, QC
Proficiency in Python (scikit-learn, XGBoost; PyTorch a strong plus) and solid SQL.
Added 2 months ago
Senior, AI & Agentic Engineer
Artefact North America
Montreal, QC
Artefact is looking for a Senior AI & Agentic Engineer: a full-stack engineer who takes AI features from idea to production.
Added 2 months ago
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Software Engineer Intern
Picovoice
Vancouver, BC
- $30,000 to $60,000 CAD / year
Added 2 months ago
SH
Intermediate Data Engineer
Sandman Hotel Group
BC · West Vancouver, BC
- Full-time
We're looking for a Data Engineer to design and build the pipelines and data architecture that power analytics, reporting, and governance across the business. You'll spend most of your time…
Added 2 months ago
C
Cluster Operations Software Engineer
Cerebras
Toronto, ON
- Full-time
We are seeking a highly skilled and experienced AI Cluster Operations Engineer to manage and operate our cutting-edge machine learning compute clusters. These clusters would provide the…
Added 2 months ago
E
Cybersecurity Lead
e-STORAGE
Kitchener, ON
- Full-time
We are looking for a hands-on cybersecurity engineer who is passionate about securing energy systems, stays current with evolving cyber threats and technologies, challenges conventional…
Added 2 months ago
MC
Senior Software Engineer - Brokerage Platform
Moomoo Canada
Toronto, ON · North York, ON
- Full-time
This role is ideal for a strong hands-on engineer who can not only build high-quality software, but also design scalable system architectures, solve complex engineering problems, and deeply…
Added 2 months ago
C
Senior Workday (HCM) Test Engineer
Cognizant
Toronto, ON
- $60,000 to $90,000 CAD / year
- Full-time
We are looking for a Senior Workday Test Engineer with Workday HCM (Recruiting) testing experience. In this role, you will be responsible for designing, building, and executing…
Added 2 months ago
SI
Validation / Verification Engineer, Sr Staff -18261
Synopsys Inc
Ottawa, ON · Nepean, ON
- Full-time
You are comfortable in the lab with an oscilloscope in one hand and a Python script in the other, moving between electrical measurements and data analysis without losing sight of what you…
Added 2 months ago
AI
Senior Hardware Test Engineer
Aversan Inc.
Toronto, ON
- Full-time
We are currently seeking a qualified Senior Hardware Test Engineer to join our team.
Added 3 months ago
F
Expert Observability Engineer
Finastra
Mississauga, ON
- Full-time
We are seeking a highly skilled and experienced Observability Engineer to lead and evolve our monitoring and observability capabilities across complex, hybrid environments. This role…
Added 2 months ago
SM
Software Engineer
Sonus Microsystems
Vancouver, BC
- Full-time
…future evolution of our product. This is a highly impactful, hands-on role for an engineer who is motivated by building meaningful technology, solving difficult problems, and contributing…
Added 2 months ago
PI
AI Engineer (Agentic Workflows)
Protocase Inc./45Drives Ltd.
Kitchener, ON
- Full-time
Position Title: AI Engineer (Agentic Workflows)

US Mobile

Principal Backend Engineer

Montreal, QC, Canada

$160,000 - $220,000 a year · Full-time

Apply About employer

Applications open in a new tab.

Job details

Pay: $160,000 - $220,000 a year
Job type: Full-time
Experience: 10+ years of experience with Java and Spring Boot
Posting language: English
Posted: Aug 21, 2026

Original 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.

\nYou 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

$160,000 - $220,000 a year

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

Apply About employer

More about this job

Responsibilities

Develop and maintain scalable RESTful APIs while designing asynchronous service communication systems. Collaborate with cross-functional teams to ensure high-quality code, continuous uptime, and efficient system architecture.

Requirements

Requires 10+ years of experience with Java and Spring Boot, along with strong proficiency in REST APIs and message brokers. Candidates must demonstrate experience with NoSQL databases and the ability to integrate AI-assisted development tools into the software lifecycle.

Skills

Java
Spring Boot
Python
Flask
Django
RESTful APIs
RabbitMQ
AWS SQS
AWS SNS
MongoDB
NoSQL
Git
CI/CD
Agile
System Architecture
AI-assisted development

Benefits

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

Visa sponsorship

Not detected in the job text

Keywords

Backend Engineering
Java
Spring Boot
Python
Flask
Django
RESTful APIs
RabbitMQ
AWS SQS
AWS SNS
MongoDB
NoSQL
Git
CI/CD
Agile
System Architecture
Claude
Opencode
Wireless Communication
Scalability
API Development
Software Engineering
Cloud Infrastructure
Unit Testing
Integration Testing
Performance Tuning
DevOps
Asynchronous Programming
Data Modeling
AI-assisted development

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