Sandeep Kothapalli

Technologies Used: Nex.js, Express.js, Amazon Web Services(AWS), Microsoft Azure, SQL, Entity Framework, Design Patterns

NEXT.js, React Native, Express.js, Amazon Web Services (AWS), SQL

Built responsive UIs and RESTful services, optimizing page performance and accessibility by 80% Implemented secure authentication, logging, and error handling, cutting production defects by 90%. Automated testing and deployments, reducing manual effort by 20hours/week and accelerating releases. Designed and developed web applications using .NET/ASP.NET, SQL Server, Angular/React. Migrated legacy monolithic systems to service-oriented or microservices architecture. Drove performance tuning, refactoring efforts and improved maintainability by adopting Clean Architecture and modern patterns. collaborated with stakeholders to refine requirements, improving feature adoption by 40%. Achieved quality improvements by establishing code-review practices, automated testing frameworks and continuous integration pipelines. Implemented fault tolerance and automated rollback for deploys, reducing MTTR to under 15 minutes and significantly boosting overall system resilience globally

ASP.NET, C#, SQL, Entity Framework,

Designed and maintained enterprise modules, strengthening system reliability and reducing downtime by 30%. Led database modeling and optimization, improving query performance by 50%. Enhanced SDLC with unit test and peer reviews, lowering defect rates by 30%. Coordinated with QA and operations to streamline releases, increasing delivery velocity by 50%. Launched and targeted onboarding module that boosted new user signups by 12% and established a scalable process across regions.