Dharmendra Tiwari

About Dharmendra Tiwari

Senior Software Engineer with 8+ years of experience in backend, frontend development…

Experience

1. Senior Software Engineer

   R Systems

   Jun 2022 — Present · Noida, IN

   Designed and developed scalable microservices using NestJS and TypeScript, Next.js adhering to clean architecture principles to ensure modular, maintainable, and testable codebases. • Migrated core backend services to Kubernetes, improving system reliability, scalability, and deployment efficiency through container orchestration. • Implemented asynchronous communication patterns using RabbitMQ, enabling decoupled service interaction and enhancing system resilience. • Engineered and optimized data schemas for both MongoDB (NoSQL) and MySQL (SQL), ensuring data integrity, performance, and support for complex business logic. • Integrated Redis for caching, rate limiting, and session management, reducing database load and improving application responsiveness. • Followed test-driven development (TDD) by writing comprehensive unit and integration tests using Jest, improving code quality and reducing defects. • Integrated legacy enterprise systems, including IBM AS400 CMS, into modern microservices architecture, enabling seamless data synchronization and backward compatibility. • Deployed backend services to Microsoft Azure using CI/CD pipelines via Azure DevOps, leveraging cloud-native capabilities for improved scalability and uptime. • Managed production deployments and change requests through ServiceNow, ensuring proper versioning, approval workflows, and audit compliance. • Conducted regular code reviews, provided feedback, and mentored team members to uphold high engineering standards and promote continuous learning. • Delivered technical demos to Product Owners using Postman and live data queries, clearly communicating backend logic and API behavior. • Tech Stack: NestJS, Express.js, Next.js, TypeScript, Microservices, RabbitMQ, MongoDB, MySQL, Redis, AWS lambda, AWS S3, Azure DevOps, Microsoft Azure, Kubernetes, Git, Bitbucket, Jest, ServiceNow, Postman, Agile (Scrum)