Mukesh Kumar Rauniyar

Architected and developed a scalable, high-performance monolithic application using ASP.NET Core 7/8 and PostgreSQL, ensuring reliability and maintainability. Designed and optimized PostgreSQL databases, implementing indexing strategies and query optimizations for millisecond-level performance on large datasets. Developed secure RESTful APIs services. Led Agile development sprints and collaborated with cross functional teams, conducting code reviews, mentoring developers, and enforcing best practices. Automated CI/CD pipelines for smooth deployments using Azure DevOps.

Architected and optimized large-scale monolithic and microservices-based applications using ASP.NET Core 5/6/7 and SQL Server, ensuring high availability and scalability. Led the transformation of legacy monolithic applications into modular microservices, improving system flexibility, reducing deployment risks, and enhancing fault isolation. Designed and optimized SQL Server databases, implementing query tuning, indexing strategies, and performance monitoring, resulting in 50% reduction in query execution time. Defined API security standards, integrating rate limiting, OAuth, JWT authentication, and token-based authorization to mitigate security threats. Developed secure RESTful APIs services, integrating OAuth and JWT authentication. Integrated third-party APIs and built RESTful services. Implemented asynchronous processing using RabbitMQ and Hangfire, improving system responsiveness and reducing request latency. Led Agile development cycles, conducting sprint planning, code reviews and mentorship programs. Integrated circuit breaker patterns using Polly to enhance system resilience and prevent cascading failures in distributed systems. Spearheaded API Gateway strategy using Ocelot, optimizing load balancing, request routing, and microservices scalability. Automated CI/CD pipelines for smooth deployments using Azure DevOps.

Designed and developed multiple Razor Pages applications, implementing complex business logic and database interactions with Entity Framework. Collaborated with cross-functional teams to develop and maintain features, improving application performance and usability. Designed and implemented RESTful Web APIs for seamless integration with front-end applications. Integrated third-party APIs and services to enhance application functionality. Wrote unit tests to ensure the stability and reliability of the application code. Enhanced the security of applications by implementing ASP.NET Identity for user authentication and role-based authorization. Utilized SQL Server and Entity Framework to design database schemas and write queries for CRUD operations. Participated in code reviews, debugging, and troubleshooting issues to maintain code quality.