Senior Backend Architect – Scale Global APIs with AI

US-Mobile; Montreal (administrative region); On-site; CAD 160,000 - 220,000; Full time

Benefits offered by this job

Health care coverage

Flexible paid time off

Gym reimbursement

Free cell phone service

Equipment + headphones

Job summary

US Mobile is seeking an exceptional backend engineer and hands-on architect to help scale our platform in Canada. You will design scalable RESTful services, integrate AI-assisted development tools, and collaborate with product, QA, and DevOps to deliver reliable features.

You will work with Java/Spring Boot, RabbitMQ, MongoDB, and CI/CD pipelines to support tens of millions of devices. This role offers a competitive compensation package and benefits.

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.

Responsibilities

• Develop and maintain RESTful APIs using Java (Spring Boot) 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.

Skills

Java & Spring Boot

REST API design

RabbitMQ / SQS

MongoDB / NoSQL

AI-assisted development tools

CI/CD & Git

Debugging & problem-solving

Communication & teamwork

Tools

RabbitMQ

MongoDB

AWS SQS/SNS

Job description

US Mobile is seeking an exceptional backend engineer and hands-on architect to help scale our platform in Canada. You will design scalable RESTful services, integrate AI-assisted development tools, and collaborate with product, QA, and DevOps to deliver reliable features.

You will work with Java/Spring Boot, RabbitMQ, MongoDB, and CI/CD pipelines to support tens of millions of devices. This role offers a competitive compensation package and benefits.