Senior Back End Developer

Senior Back End Developer

We are looking for a skilled Senior Back-End Developer with 7–10 years of hands-on experience building scalable, secure, and production-ready back-end applications using .NET/C#, Microsoft Azure, SQL Server, REST APIs, and Azure API Management (APIM).

The ideal candidate should be comfortable developing cloud-hosted services, creating and securing APIs, optimizing relational databases, integrating systems, and supporting SaaS applications in a fast-paced product engineering environment.

**** Immediate Joiners Only ****

Location: India (Remote)

Job Type: Full-time

Work Timings:

Only for India-based calling hours of work will be: (2pm - 11pm IST) & covering (Mumbai, Delhi NCR, Pune, Jaipur, Chandigarh, Goa, Indore, Bangalore, Hyderabad, Kolkata, Kerala) market territory only.

Compensation Range: $17K - $20K USD (annually)

Why Join BoomerangFX?

BoomerangFX isn’t just a company— it’s a movement redefining how private pay healthcare practices operate. Recognized as one of North America’s Fastest Growing Tech Companies two years in a row by Deloitte’s Fast 500 program ranking 6th in Canada and 23rd in North America. We are a global leader in practice management software and digital marketing solutions. Our growth trajectory of over 8000% is matched by our ambition to disrupt and dominate the healthcare technology landscape.

With offices across the USA, Canada, UK, Sydney, and India, we’re building a truly global organization and expanding our presence in international markets. This is an exciting opportunity to join a high-growth company and play a meaningful role in shaping and supporting our continued international growth.

What You'll Do

• Design, develop, test, and maintain back-end applications using .NET / C#.
• Build and enhance secure, scalable, and high-performance RESTful APIs and web services.
• Work with Azure API Management (APIM) for API publishing, routing, versioning, policies, throttling, and security.
• Develop and deploy cloud-based services using Microsoft Azure, including App Services, Functions, Azure SQL Database, Storage, Key Vault, Application Insights, Monitor, and Service Bus / Queues.
• Design and optimize database objects using SQL Server, including queries, stored procedures, indexes, transactions, and relational schemas.
• Implement authentication, authorization, logging, error handling, validation, and secure API development practices.
• Integrate back-end services with front-end applications, third-party platforms, and external APIs.
• Troubleshoot application issues, production defects, and performance bottlenecks.
• Participate in code reviews, sprint planning, release activities, and technical discussions.
• Collaborate with front-end developers, QA engineers, DevOps teams, product managers, and other stakeholders.
• Follow clean coding practices, design patterns, SOLID principles, and secure development standards.

What We’re Looking For

• 7–10 years of professional software development experience.
• Strong hands-on experience with .NET / C# back-end development.
• Strong experience developing and maintaining RESTful APIs.
• Hands-on experience with Microsoft Azure and Azure API Management (APIM).
• Strong working knowledge of SQL Server.
• Experience working with cloud-based or SaaS applications.
• Good troubleshooting, debugging, and performance optimization skills.
• Understanding of secure coding, API security, and application reliability practices.
• Experience working in Agile/Scrum environments.
• Good communication and collaboration skills.

Preferred Background

• Experience working on SaaS platforms.
• Experience in healthcare, med tech, fintech, or enterprise software products.
• Front-end collaboration experience with ReactJS.
• Exposure to microservices architecture.
• Experience with event-driven architecture or messaging queues.
• Exposure to AI/ML-powered platforms or integrations.
• Azure certification would be an advantage.

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