Selvalakshmi Natarajan

Worked as a backend developer on a telehealth and e-pharmacy platform (Packapill/Hola Meds) providing 2–3 hour medicine delivery across Australia, now expanding to the UK. Developed and maintained the admin module for managing doctor availability, patient appointment scheduling, and booking workflows. Built and enhanced APIs for prescription uploads, teleconsultation, and pharmacy dispatch using C#, .NET Core, and Web API. Integrated secure patient and pharmacy data using SQL and handled authentication and authorization logic. Managed builds, releases, and task tracking through Azure DevOps, with active participation in CI/CD pipeline configuration, code reviews, and agile ceremonies. Ensured scalability and compliance with healthcare data standards throughout the development lifecycle

Roles & Responsibilities:

• Designed and developed RESTful APIs using C# and ASP.NET Core Web API to support core functionalities such as appointment booking, doctor availability, and teleconsultation management.
• Built and maintained the admin module enabling real-time updates of doctor schedules and patient bookings, ensuring a seamless end-to-end appointment workflow.
• Implemented secure data access and validation logic using Entity Framework Core and SQL Server, focusing on data integrity, performance, and privacy compliance.
• Collaborated with cross-functional teams including frontend developers, QA engineers, and product owners in an Agile/Scrum environment to deliver sprint goals on time.
• Utilized Azure DevOps for source control, task tracking, CI/CD pipeline automation, and deployment across multiple environments.
• Participated in code reviews, performed unit testing, and contributed to improving system scalability and resilience during UK market expansion.
• Integrated external systems such as e-prescription upload services and pharmacy dispatch systems, ensuring seamless and secure communication between services.

Worked on the Verizon Collection Center web application, built to streamline customer collections, payment tracking, and account reconciliation across multiple billing systems. Developed backend modules using C#, ASP.NET Core, and Web API, with data operations managed via Entity Framework Core and SQL Server. Created responsive web interfaces using JavaScript, jQuery, HTML, and Bootstrap. Integrated RESTful services with external billing and payment systems to ensure seamless data flow. Configured Jenkins for automated builds and deployments, and used Azure DevOps for source control, task tracking, and release management. Collaborated closely with QA and business teams in an Agile environment to deliver secure, scalable, and maintainable solutions.

Roles & Responsibilities:

• Designed and developed core business logic using C# and ASP.NET Core for seamless customer collection workflows.
• Built RESTful APIs for account retrieval, follow-up management, and payment updates.
• Integrated with external billing systems and payment gateways using Web API and JSON/XML contracts.
• Developed dynamic UI using JavaScript, jQuery, and Bootstrap for responsive user experience.
• Implemented SQL Server stored procedures and views for efficient data querying and reporting.
• Configured Jenkins pipelines for CI/CD to automate build, test, and deployment cycles.
• Managed version control, branch strategy, and sprint tasks via Azure DevOps (Repos, Boards).
• Participated in Agile ceremonies (sprint planning, retrospectives, demos) and collaborated with BAs and QA teams for smooth delivery.

Worked on the Verizon Collection Center web application, built to streamline customer collections, payment tracking, and account reconciliation across multiple billing systems. Developed backend modules using C#, ASP.NET Core, and Web API, with data operations managed via Entity Framework Core and SQL Server. Created responsive web interfaces using JavaScript, jQuery, HTML, and Bootstrap. Integrated RESTful services with external billing and payment systems to ensure seamless data flow. Configured Jenkins for automated builds and deployments, and used Azure DevOps for source control, task tracking, and release management. Collaborated closely with QA and business teams in an Agile environment to deliver secure, scalable, and maintainable solutions.

• Developed and maintained high-performance web applications, Windows applications, and Web APIs, ensuring scalability, security, and performance optimization.
• Designed and implemented robust backend architectures using C#/.NET technologies, integrating with front-end frameworks and relational databases.
• Built Windows-based applications with intuitive user interfaces and efficient data processing using the .NET framework.
• Collaborated with UI/UX designers, business analysts, and QA teams to ensure the delivery of high-quality, user-centric software solutions.
• Conducted requirement analysis and translated business needs into clear technical specifications and design documents.
• Implemented and deployed cloud-based solutions using AWS, managing services for scalability and high availability.
• Ensured code quality through adherence to best practices, conducting peer code reviews, and implementing unit/integration tests.
• Managed version control and automated deployments using Git, Azure DevOps, and Jenkins with established CI/CD pipelines.
• Mentored junior developers, offered technical support, and led knowledge-sharing sessions to promote continuous team improvement.