Manisha S.

Architected and implemented over 50 REST APIs catering to ERP integrations and internal SaaS modules for enterprise vendors. Developed an Access Management System that features API key generation, JWT-based authentication, and role-based access control for secure third-party integrations. Integrated systems such as NetSuite, QuickBooks Online, Fishbowl ERP, SAP, and Vayana APIs, facilitating seamless data exchange and automation of business processes. Achieved a 50% improvement in API response time through SQL query optimization, indexing, and database performance tuning. Managed structured exception logging via Serilog and automated processes through recurring background jobs. Deployed and maintained applications on Microsoft Azure, utilizing App Services, Azure SQL, and Key Vault along with CI/CD pipelines and Docker containerization. Created and refined reporting modules and analytics functionalities for vendor platforms. Provided production support, addressed critical integration challenges, and upheld system reliability. Advocated for agile development methodologies, ensuring projects met quality and budget standards. Guided junior developers in secure coding practices within an Agile/Scrum environment.

Contributed to backend development and provided production support for a multi-tenant supply chain SaaS platform designed for enterprise vendors. Created secure RESTful APIs for integrating with NetSuite, SAP, QuickBooks, Fishbowl ERP, and Vayana API. Enhanced system performance through SQL query optimizations, resulting in a significant reduction in API response times. Handled background job processing using Hangfire and Quartz, automating scheduled data synchronization. Developed PDF generation services for transactional documents, including invoices. Established JWT authentication, API key management, and role-based authorization to enable secure integrations. Deployed applications leveraging Azure App Services, Azure SQL, and Docker containers integrated with CI/CD pipelines.

Produced database-first code for tracking assets and packing processes, collaborating effectively within a team of five. Developed REST and SOAP APIs aimed at SAP integration and retail automation while enhancing SQL query performance and establishing robust role-based authorization.

Constructed secure APIs utilizing ASP.NET Core and SQL while addressing client-reported issues. Integrated Vayana APIs and facilitated authentication processes through JWT and OAuth, alongside the development of audit logs for tracking API utilization.

Engineered a full-stack billing management platform with React (TypeScript) and ASP.NET Core 8 Web API. Designed essential modules covering Customer Management, Billing, Invoice Generation, Inventory Tracking, Employee Management, and Admin Controls. Developed secure RESTful APIs for managing billing transactions and inventory workflows, implementing dynamic invoice processing workflows that automate stock updates during billing. Established role-based authentication and authorization using JWT, designed scalable database architectures, and optimized SQL queries to support extensive billing datasets. Created reusable React TypeScript components to enhance UI responsiveness and maintainability.