Back End Developer - .Net

BoomerangFX

Location: Mississauga, Ontario — on-site, five days per week

Reports to: Director of Product Manager and Technology

Mandatory Experience

The ideal candidate will have 4+ years of hands-on back-end development experience, with strong proficiency in .NET (C#), Microsoft Azure, and SQL Server. They should have proven experience developing RESTful APIs and web services, along with a solid understanding of relational database design, CI/CD pipelines, Git, and software development best practices. Strong problem-solving skills and the ability to build secure, scalable, and high-performance applications are essential.

Why Join BoomerangFX?

BoomerangFX is a global healthcare technology company bringing SaaS, artificial intelligence and digital marketing together to help private-pay healthcare practices operate and grow. Recognized through Deloitte’s Technology Fast 500 program, we are building technology that simplifies practice management, strengthens patient engagement and helps healthcare businesses reach more people.

With operations in the United States, Canada, the United Kingdom, Australia and India, we are scaling internationally and working at the forefront of AI in healthcare. Our teams collaborate across countries and disciplines to turn new ideas into products and services that make a practical difference for customers.

Joining BoomerangFX is an opportunity to build your career alongside a growing global business. You will have meaningful responsibility, exposure to international markets and the opportunity to contribute ideas, develop your skills and see the impact of your work. We welcome people who take ownership, move quickly and want to help build what comes next.

The Role

We are seeking a talented and experienced Back End Developer to join our growing team. The ideal candidate will have strong experience working with .NET, Microsoft Azure, and SQL. You will be responsible for building, maintaining, and optimizing the server-side logic, APIs, and database integrations of our SaaS platform.

• Develop, test, and deploy scalable and secure back-end services using .NET (C#)
• Design and maintain APIs and database structures to support front-end features
• Work with Azure cloud services (App Services, Functions, Blob Storage, etc.)
• Ensure high performance and responsiveness to requests from the front end
• Collaborate with front-end developers, QA, and product managers in agile sprints
• Maintain clean, scalable, and well-documented code
• Troubleshoot and optimize application performance, security, and scalability

Mandatory Qualifications

• 4+ years of hands-on back-end development experience
• Strong proficiency in .NET (C#)
• Solid experience with Microsoft Azure services
• Expertise in SQL Server or relational database design
• Experience developing RESTful APIs and web services
• Understanding of CI/CD pipelines and version control (Git)
• Familiarity with software development best practices and design patterns

Additional Experience We Value

• Experience with healthcare, medtech, or SaaS platforms
• Front-end experience with ReactJS and React Hooks
• Exposure to AI/ML concepts or integration of AI-powered features

Compensation and Benefits

• Base Salary: $75,000 - $80,000 + 10% annual discretionary bonus.
• Job Type: Full-time
• Work Location: This is a 5-day on-site role based in Mississauga, Ontario.
• Comprehensive health, dental, and vision coverage
• Paid vacation
• Free on-site parking

How to Apply

Submit your résumé

Accessibility Statement

BoomerangFX is an equal opportunity employer committed to diversity and inclusion. We welcome applications from all qualified individuals for our career opportunities and are dedicated to accommodating people with disabilities. If you need accommodation at any stage of the application process, please contact us at [email protected].