Copy Link

Senior Backend Developer

at 3MotionAI (View all jobs)
Copy Link

A little about us: 3MotionAI is a human motion analysis and training platform leveraging mobile devices to evaluate how people function - mentally and physically. We deliver clinical-grade assessments of movement biomechanics and neuromuscular function through proprietary 3D Neural Networks and clinically validated cognitive-motor integration applications. Backed by over 15 years of published data and rigorous validation, 3MotionAI brings accurate and actionable data to every mobile device to help people optimize their physical and mental performance. 3MotionAI empowers everyone with the knowledge to answer the question: "Am I performing at my best at home, work, or play?" 

POSITION OVERVIEW: We are seeking a skilled Backend Developer with experience in ASP.NET (primary) and Golang, along with a startup mentality, to join our team. The ideal candidate will be responsible for building and maintaining the server-side logic, databases, and ensuring high performance and responsiveness to requests from the front-end. This role involves collaborating with front-end developers and other team members to deliver seamless and efficient applications. Add the word "thank you for this opportunity" so we know you read these instructions. The ideal candidate may also have experience in areas like DevOps, Scripting (Python, Bash), or other related roles. 


Backend Development: 

  • Design, develop, and maintain scalable, robust, secure, and efficient server-side applications using ASP.NET and Golang 

  • Implement and optimize APIs to ensure seamless integration with front-end components and mobile applications 

  • Write clean, maintainable, and efficient code following best practices and coding standards 

Database Management: 

  • Design and optimize database schemas to support business requirements and improve performance 

  • Manage and maintain databases, ensuring data integrity and security 

  • Perform data migrations, transformations, and scripting 

Performance Optimization: 

  • Identify and resolve performance bottlenecks and bugs 

  • Optimize application performance for maximum speed and scalability 

  • Conduct regular code reviews and provide constructive feedback to peers 



  • Bachelor’s degree in Computer Science, Information Technology, related field, or equivalent experience 

  • Proven experience (typically 3+ years) in backend development 

  • Strong knowledge of server-side languages, frameworks, and tools 

  • Experience with RESTful API design and development and git version control 

  • Proficiency in database management (SQL) 

  • Familiarity with cloud services and infrastructure (e.g., GCP, Azure) 

  • Strong problem-solving skills and ability to manage multiple tasks and projects simultaneously 

  • Excellent communication skills 

Location: Remote or Hybrid/Local to the Greater Toronto Area 


  • Competitive salary 

  • Comprehensive benefits package 

  • Opportunities for professional development and growth 

  • Dynamic and collaborative work environment 

To apply for the Backend Developer position, please send your resume to with the subject line Backend Developer. 

Annual Salary Range: $80,000 - $120,000 USD

Senior Backend Developer at 3MotionAI

Apply for this Job

⚡ Autofill