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Added 6 months ago
UM
Senior Backend Engineer
US Mobile
Toronto, Ontario
- Full-time
Architect optimal solutions to our business problems
Added 5 months ago
Principal Architect, Software Engineering
Credera Experienced Hiring Job Board
Quinte West, Ontario
…best practices. Our unique global approach provides tailored solutions, transforming the most influential brands and organizations…
Added 2 months ago
DI
Specialist, AI Engineering
Definity Insurance Company
Toronto, ON
- Full-time
…responsible for designing, developing, and deploying cutting-edge AI solutions that will transform our core processes, including claims, underwriting, and customer engagement. You will be…
Added 5 months ago
G
Développeur(euse) logiciel / Software Developer - C#/.NET
Genetec
Remote, Canada
- Full-time
- Remote
Expérience en programmation orientée objet (C# ou Java)
Added 6 months ago
SC
Principal Software Developer
Solace Corporation
Ottawa, ON
- Full-time
…various teams, providing technical leadership and innovative solutions that push the boundaries of what is…
Added 5 months ago
Architect, Software Engineering
Credera Experienced Hiring Job Board
Quinte West, Ontario
As an Architect in our Software Engineering Capability, you act as the primary architect and technical lead on client engagements. You scope and estimate work, model solutions against…
Added 2 months ago
FG
Lead Software Engineer, Full-Stack Applications - Ratings Technology
Fitch Group
Toronto, ON
- $160,000 to $200,000 CAD / year
Deliver technical excellence and build game-changing solutions – Design robust, scalable full-stack applications using Java/Springboot, C#/.NET, Python and REACT, drive architectural…
Added 1 month ago
PC
Salesforce Technical Manager
Pwc Canada
Vancouver, BC · Toronto, ON
- Full-time
Lead technical delivery teams of 5-10 developers on complex Salesforce implementations and architect end-to-end solutions - from data model design to integration patterns to AI agent…
Added 3 months ago
P
Salesforce Technical Manager
PwC
Vancouver, British Columbia · Toronto, Ontario
- Full-time
Lead technical delivery teams of 5-10 developers on complex Salesforce implementations and architect end-to-end solutions - from data model design to integration patterns to AI agent…
Added 3 months ago
G
Développeur(euse) logiciel / Software Developer - C#/.NET
Genetec
Remote, Canada
- Full-time
- Remote
Expérience en programmation orientée objet (C# ou Java)

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US Mobile

Senior Backend Engineer

Toronto, ON, Canada

$140,000 - $180,000 a year · Full-time

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Job details

Pay: $140,000 - $180,000 a year
Job type: Full-time
Experience: 7+ years of experience with Java and Spring Boot
Posting language: English
Posted: Apr 17, 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:

7+ 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

$140,000 - $180,000 a year

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

Apply About employer

More about this job

Responsibilities

You will architect optimal solutions and deploy new features to scale the platform for millions of connected devices. You are also responsible for maintaining RESTful APIs, ensuring system uptime, and collaborating with cross-functional teams to deliver scalable features.

Requirements

Candidates must have 7+ years of experience with Java and Spring Boot, along with strong proficiency in REST APIs and message brokers. Experience with NoSQL databases, CI/CD workflows, and AI-assisted development tools is also required.

Skills

Java
Spring Boot
Python
Flask
Django
RESTful APIs
RabbitMQ
AWS SQS
AWS SNS
MongoDB
NoSQL
Git
CI/CD
Agile
Debugging
System architecture

Benefits

Health care coverage
Medical insurance
Dental insurance
Vision insurance
Flexible paid time off
Gym reimbursement
Commuter reimbursement
Free cell phone service
Equipment allowance
Bose QC headphones
Apple Airpod Pro headphones
401k

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
IoT
5G
Cloud Computing
AI-assisted development
Claude
Opencode
Scalability
Microservices
Software Engineering
Connectivity
Unit Testing
Integration Testing
Performance Tuning
DevOps

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