Lead Backend Architect for Scalable, AI-Driven APIs

1 day ago
Toronto, ON, Canada US Mobile Full-time €222,000 - €305,000 Contract
US Mobile is seeking an exceptional backend engineer and hands-on architect to scale and connect millions of devices to wireless networks. You will design RESTful services, implement asynchronous communication, and collaborate across product, QA, and DevOps to deliver reliable features. The role requires 10+ years with Java/Spring Boot, experience with RabbitMQ/AWS SQS-SNS, and NoSQL like MongoDB. Expect a fast-paced, cross-functional environment with emphasis on quality and uptime.

  • Lead Backend Architect for Scalable, AI-Driven APIs

    3 days ago

    Toronto, ON, Canada US Mobile Full-time $222,000 - $305,000 Contract

    US Mobile is seeking an exceptional backend engineer and hands-on architect to scale and connect millions of devices to wireless networks. You will design RESTful services, implement asynchronous communication, and collaborate across product, QA, and DevOps to deliver reliable features.The role requires 10+ years with Java/Spring Boot, experience with...

  • Lead Backend Architect for Scalable, AI-Driven APIs

    4 days ago

    Toronto, ON, Toronto Census Division, ON; Ontario, Canada US Mobile Full-time

    US Mobile is seeking an exceptional backend engineer and hands-on architect to scale and connect millions of devices to wireless networks. You will design RESTful services, implement asynchronous communication, and collaborate across product, QA, and DevOps to deliver reliable features. The role requires 10+ years with Java/Spring Boot, experience with...

  • API Architect

    1 day ago

    Toronto, ON, Canada Moneris Solutions Corp Full-time $126,000 - $165,000 Contract

    Your Moneris Career – The OpportunityThe API Architect is responsible for the technical design and overall architecture of the Moneris API platform. In concert with site reliability engineering, owns the technical implementation of the API development life cycle and the central API support services. Collaborates with other technology teams to design,...

  • Remote-First Senior Backend Architect – Scalable 3D/Vision

    2 days ago

    Toronto, ON, Canada Leap Tools Full-time $110,000 - $160,000 Contract

    Leap Tools is seeking an experienced backend engineer to lead design and delivery of scalable backend systems for our AI-powered interior décor platform. You will mentor senior engineers, influence technical direction, and collaborate with product and engineering leaders to plan for growth.You will work in a remote-first environment with a strong ownership...

  • API Architect

    2 days ago

    Toronto, ON, Canada Moneris Full-time $126,000 - $165,000 Contract

    Your Moneris Career – The OpportunityThe API Architect is responsible for the technical design and overall architecture of the Moneris API platform. In concert with site reliability engineering, owns the technical implementation of the API development life cycle and the central API support services. Collaborates with other technology teams to design,...

  • Remote-First Senior Backend Architect

    2 days ago

    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Leap Tools Full-time

    Leap Tools is seeking an experienced backend engineer to lead design and delivery of scalable backend systems for our AI-powered interior décor platform. You will mentor senior engineers, influence technical direction, and collaborate with product and engineering leaders to plan for growth. You will work in a remote-first environment with a strong...

  • API Architect

    2 days ago

    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Moneris Solutions Corp Full-time €126,000 - €165,000 Temporary

    Your Moneris Career – The Opportunity The API Architect is responsible for the technical design and overall architecture of the Moneris API platform. In concert with site reliability engineering, owns the technical implementation of the API development life cycle and the central API support services. Collaborates with other technology teams to design,...

  • AI-Driven Full Stack Test Automation Architect

    2 days ago

    Toronto, ON, Canada Apexon Full-time $150,000 - $190,000 Contract

    Job Title: AI-Driven Full Stack Test Automation ArchitectExperience15+ YearsJob SummaryWe are looking for a highly experienced Full Stack Test Automation Architect with expertise in AI-driven Quality Engineering, Mobile Automation, Web Automation, API Testing, and Full Stack Application Development. The ideal candidate will have a strong software engineering...

  • Backend AI Engineer

    1 day ago

    Toronto, ON, Canada Engg Full-time €110,000 - €150,000 Contract

    Nexxa http://Nexxa.ai is building the best AI systems for heavy industries — enabling machines, systems and operations to think, decide and act autonomously across manufacturing, large-scale infrastructure, logistics and legacy environments. Our mission is to translate deep technical breakthroughs into operational reality, solving some of the hardest...

  • Backend Software Engineer API Design

    1 day ago

    Toronto, ON, Canada Compunnel, Inc. Full-time €100,000 - €130,000 Contract

    Shape the future of backend services as a Backend Software Engineer. Focus on creating and reviewing RESTful APIs using Java/Spring Boot for optimal service performance. In the role of Senior Software Developer, you will lead service design efforts and orchestrate API integrations. This strategic position collaborates closely with Business Analysts to...

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