US Mobile is building the future of wireless communication.

The goal: one unified network open to any person and any device, worldwide. We’re getting there by empowering customers. All three major networks on one phone and one plan, plus home internet from Starlink. 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. And we’re building creative systems that scale. A network agnostic tech stack. Agile, cross-functional teams built on trust and mutual respect.

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.

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 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 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 ~ Health care coverage Flexible paid time off Free cell phone service 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. If you would like more information about how your data is processed, please contact us.

📌 Backend Engineering Manager (Toronto)
🏢 Us Mobile
📍 Toronto