Backend Engineer

1 week ago

Montreal, Quebec, Canada US Mobile Full time

US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a single app and buy terabytes of data for every one of your devices: phone, smart devices, car, home broadband, and more. That's the future that US Mobile is building: a software platform built truly for the 21st century and the age of 5G and IoT, with world class engineering, best-in-class user experience, and features that will define the next generation of connectivity.

At the core of it all, we have a team and culture that has been recognized by Forbes as one of the top 500 best startup employers in the US. Our team spans diverse backgrounds, cultures, and stories, with employees coming from 20+ countries.

We're a venture-backed company entering hypergrowth, having recently ranked 94th on Inc 5000's fastest-growing private companies in America, and we're looking for someone exceptional to join our team.

Job Description:

We are looking for a skilled and motivated backend engineer to help us scale and connect millions of devices to wireless networks. In this role, you will be responsible for designing, developing, and maintaining scalable and robust backend services and APIs that power our products and services. You will work in a collaborative, agile environment, contributing to mission-critical systems.

Key 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:
    • 3+ 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
  • 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
Nice to Haves:
    • Experience with AWS services (EC2, S3, Lambda, RDS, etc.)
  • Familiarity with Docker or Kubernetes
  • Monitoring and logging experience with Datadog (preferred), CloudWatch, or Prometheus
  • Exposure to distributed system architecture and scalability patterns
Benefits:
    • Competitive salary (CAD)
  • Flexible working hours
  • Gym reimbursement ($100/mo)
  • Supplemental health insurance
  • Professional development stipend
  • $500 CAD wfh tech set-up reimbursement

$100,000 - $150,000 a year

Think you'd be a great 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. 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.

  • Senior Backend Engineer

    1 week ago

    Montreal, Quebec, Canada Norbert Health Full time

    About NorbertNorbert is building autonomous robots that deliver healthcare.Our AI sensing platform mounts on mobile robots and does the work of a care team member—rounding on patients, capturing vitals without contact (FDA-cleared for pulse and respiratory rate, more in the pipeline), running assessments, documenting to the EMR, and escalating when...

  • Backend Engineer

    1 week ago

    Montreal, Quebec, Canada US Mobile Full time

    US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a single app and buy terabytes of data for every one of your devices: phone, smart devices, car, home broadband, and more. That's the future that US Mobile is building: a software platform built truly for the 21st century and the age of 5G and IoT, with world class...

  • Backend Engineer

    1 week ago

    Montreal, Quebec, Canada US Mobile Full time $100,000 - $150,000

    US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a single app and buy terabytes of data for every one of your devices: phone, smart devices, car, home broadband, and more. That's the future that US Mobile is building: a software platform built truly for the 21st century and the age of 5G and IoT, with world class...

  • Backend Engineer

    7 days ago

    Montreal, Quebec, Canada US Mobile Full time

    US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a single app and buy terabytes of data for every one of your devices: phone, smart devices, car, home broadband, and more. That's the future that US Mobile is building: a software platform built truly for the 21st century and the age of 5G and IoT, with world class...

  • Backend and Cloud Engineer

    5 days ago

    Montreal, Quebec, Canada Lucid Axon Full time

    About Lucid AxonLucid Axon is an AI-powered sustainability intelligence company. We develop advanced tools that transform scattered sustainability information into transparent, customizable, and actionable insights for investors, corporations, and advisors. Our mission is to make sustainable finance smarter, faster, and more accountable.The RoleWe're looking...

  • Backend Engineer

    2 weeks ago

    Montreal, Quebec, Canada Xsolla Full time $80,000 - $130,000

    ABOUT USXsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to...

  • Backend Engineer

    2 weeks ago

    Montreal, Quebec, Canada Xsolla Full time

    ABOUT US Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to...

  • Backend Engineer

    2 weeks ago

    Montreal, Quebec, Canada Xsolla Full time

    About UsXsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to...

  • Senior Backend Engineer

    2 weeks ago

    Montreal, Quebec, Canada metalbear Full time

    MetalBear is building the next generation of developer tools for cloud engineers. Our flagship product, mirrord, lets developers run local processes as if they were running directly inside their cloud environment — without the friction of deployment or risk of breaking shared environments.mirrord's open-source core is already trusted by thousands of...

  • Backend Developer

    1 day ago

    Montreal, Quebec, Canada HoloRay Full time

    About HoloRayHoloRay is transforming healthcare through cutting-edge digital medical technology spanning mixed reality, medical imaging, and real-time streaming. We work closely with surgeons, medical educators, and healthcare institutions at the provincial and national level to build patient-specific tools for surgical planning, education, and clinical...