Available to hire
Hi, I’m Sai Harsha Repaka, a results-driven software engineer specializing in scalable enterprise applications built with .NET, React, SQL, MongoDB, and Azure. I design robust, high-performance systems and collaborate with cross-functional teams to deliver measurable business value.
With experience across finance and logistics domains, I focus on microservices, API design, cloud integrations, and DevOps, always aiming to improve performance, security, and maintainability. I thrive in Agile environments and enjoy mentoring teammates and driving innovative solutions.
Skills
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Language
English
Advanced
Work Experience
Software Engineer at Wells Fargo
August 1, 2024 - PresentImplemented a microservices architecture for scalable mortgage processing systems using .NET Core, Azure Service Bus, and Docker, enabling modular and maintainable codebases. Developed interactive UI components with React.js, Redux, and ASP.NET Web Forms, enhancing customer experience. Optimized SQL Server database performance, reducing transaction processing time by 25% and ensured 99.9% uptime through efficient indexing and query tuning. Integrated Entity Framework and LINQ for streamlined mortgage data access. Engineered a loan origination platform that cut approval times by 30%. Designed scalable relational database schemas and built RESTful APIs for seamless integration with financial services. Developed complex database objects to automate workflows, implemented CI/CD pipelines with Azure DevOps, and created real-time financial dashboards using SSRS and Power BI. Enhanced a Windows-based document processing application using multithreading to increase efficiency fivefold.
Software Engineer at Microsoft
August 31, 2024 - July 10, 2025Developed and maintained scalable web and desktop applications using .NET Core, C#, ASP.NET MVC, and React.js, ensuring high performance. Migrated legacy Classic ASP applications to ASP.NET Core, improving scalability and security. Built dynamic UI components with React.js, JavaScript, and TypeScript. Implemented WCAG-compliant accessibility features across web applications. Designed and optimized KQL queries in Microsoft Sentinel for threat detection, improving query execution by 60%. Automated alerting rules using Azure Monitor, enhancing observability. Developed high-performance data ingestion pipelines for large-scale log analytics in Azure Data Explorer. Integrated KQL with Power BI for real-time security dashboards. Built RESTful APIs in .NET Core and Node.js and optimized SQL Server and Cosmos DB performance. Modernized compliance dashboards and refactored legacy applications to improve stability. Executed automated unit tests with xUnit and MSTest and managed Azure client certi
Full Stack Dot Net Developer at FedEx
November 30, 2021 - July 10, 2025Designed scalable backend applications with C#/.NET Core, ASP.NET MVC, and Web API for logistics and package tracking. Built microservices architecture in .NET Core to ensure modular, high-performance systems. Developed and optimized SQL Server and MongoDB databases, reducing query execution time by 30%. Implemented RESTful APIs enabling integration with third-party logistics platforms. Led database schema design and indexing for efficient data handling. Integrated OAuth2 and JWT authentication for secure access. Developed Windows services for background logistics processing. Optimized API response times using caching with Redis and MongoDB aggregation pipelines. Utilized Azure DevOps to automate CI/CD pipelines. Worked in Agile teams involving code reviews, sprint planning, and daily stand-ups.
Software Engineer at Wells Fargo
August 1, 2024 - PresentImplemented microservices architecture for mortgage processing systems using .NET Core, Azure Service Bus, and Docker to enable modular code. Developed responsive UI components for loan applications with React.js, Redux, and ASP.NET. Optimized SQL Server databases, reducing transaction times by 25%, and ensured 99.9% uptime. Integrated Entity Framework and LINQ for efficient data access. Engineered a loan origination platform reducing approval times by 30%, designed scalable relational database schemas, developed RESTful APIs in .NET Core and Node.js for integration with third-party services, and automated CI/CD pipelines using Azure DevOps. Built real-time dashboards in SQL Server Reporting Services and Power BI. Enhanced document processing applications using multithreading to increase efficiency by 5x.
Software Engineer at Microsoft
August 1, 2024 - August 28, 2025Developed and maintained scalable web and desktop applications using .NET Core, C#, ASP.NET MVC, and React.js. Migrated legacy Classic ASP applications to ASP.NET Core and MVC frameworks improving scalability and security. Built dynamic and responsive UI components using React.js, JavaScript, and TypeScript. Implemented WCAG-compliant accessibility features. Designed and optimized KQL queries in Microsoft Sentinel for real-time threat detection and security incident response, improving execution time by 60%. Automated alerting and detection using KQL in Azure Monitor. Developed high-performance data ingestion pipelines with Azure Data Explorer, integrated KQL with Power BI and Workbooks to build dashboards. Refactored legacy .NET apps, wrote automated unit tests using xUnit and MSTest, managed client certificates in Azure, and implemented CI/CD pipelines using Azure DevOps.
Full Stack Dot Net Developer at FedEx
November 1, 2021 - August 28, 2025Designed and developed scalable backend applications with C#/.NET Core, ASP.NET MVC, and Web API to optimize logistics and package tracking. Built microservices to enable scalable, modular backend systems. Optimized relational and NoSQL databases reducing SQL query times by 30%. Implemented RESTful APIs for third-party platform integration. Led database schema and indexing designs for efficient storage and retrieval in SQL Server and MongoDB. Integrated OAuth2 and JWT for secure authentication. Developed Windows services for background logistics processing. Improved API performance via caching using Redis and MongoDB aggregation pipelines. Used Azure DevOps for CI/CD automation and actively participated in Agile development practices including code reviews and sprint planning.
Software Engineer at Microsoft
May 1, 2023 - August 1, 2024Developed scalable web and desktop applications using .NET Core, C#, ASP.NET MVC, and React.js; migrated legacy Classic ASP to modern ASP.NET Core; built dynamic UI components with React.js, JavaScript, and TypeScript; implemented WCAG-compliant accessibility across Microsoft web applications; designed and optimized KQL queries in Microsoft Sentinel for real-time threat detection; automated alerting and detection rules in Azure Monitor; created data ingestion pipelines for Azure Data Explorer; integrated KQL with Power BI; implemented RESTful APIs between frontend and backend; optimized SQL Server and Cosmos DB performance; modernized internal compliance dashboards; refactored legacy .NET apps; developed automated unit tests using xUnit and MSTest; managed and rotated client certificates in Azure; implemented CI/CD pipelines with Azure DevOps.
Full Stack Dot Net Developer at FedEx
May 1, 2019 - November 1, 2021Designed and developed scalable backend applications using C#/.NET Core, ASP.NET MVC, and Web API; built and maintained microservices; optimized relational and NoSQL databases; implemented RESTful APIs for third-party logistics platforms; led database schema design and indexing in SQL Server and MongoDB; designed MongoDB collections and queries for real-time logistics tracking; integrated OAuth2 and JWT for secure authentication; built Windows services for background processing; optimized API performance with caching using Redis and MongoDB aggregation pipelines; used Azure DevOps for CI/CD; participated in Agile practices.
Education
Masters of Science at Bradley University
September 1, 2021 - May 31, 2023Masters of Science in Computer Science at Bradley University
January 11, 2030 - May 1, 2023Master of Science in Computer Science at Bradley University
January 11, 2030 - May 1, 2023Qualifications
Applied Data Science with Python – Coursera
January 1, 2018 - December 31, 2018Programming Essentials in Python – Cisco Networking Academy
January 1, 2018 - December 31, 2018Certified by Coursera on Information System
January 1, 2019 - December 31, 2019Certified by Industrial Internet of Things
January 1, 2019 - December 31, 2019Applied Data Science with Python – Coursera
January 1, 2018 - August 28, 2025Programming Essentials in Python – Cisco Networking Academy
January 1, 2018 - August 28, 2025Certified by Coursera on Information System
January 1, 2019 - August 28, 2025Certified by Industrial Internet of Things
January 1, 2019 - August 28, 2025Applied Data Science with Python
January 1, 2018 - February 12, 2026Programming Essentials in Python
January 1, 2018 - February 12, 2026Information System Certification
January 1, 2019 - February 12, 2026Industrial Internet of Things Certification
January 1, 2019 - February 12, 2026Industry Experience
Financial Services, Software & Internet, Transportation & Logistics
Skills
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