Neeraj Kumar

• Designed and developed scalable UI using React.js with Hooks, Context API, and Redux.
• Implemented micro-frontend architecture to enable independent deployment and scalability.
• Built backend services using Node.js and Express.js with RESTful API design.
• Implemented authentication and authorization using JWT and secure session handling.
• Optimized frontend performance using lazy loading, memoization, and code splitting.
• Developed reusable components and maintained design consistency across applications.
• Integrated frontend with backend services and handled
• API lifecycle management.
• Improved application performance and reduced load time significantly. - Led UI architecture decisions and mentored junior developers.

Tech Stack: React.js, Redux, Context API, React Hooks, TypeScript, JavaScript (ES6+), Node.js,, REST APIs, Core JAVA , Hibernate, OOPS, HTML5, SCSS, Micro-Frontend Architecture, Couchbase, PostgreSQL, Git.

• Developed a robust Customer Screening UI using Oracle JET (OJET) along with modern React.js patterns, enabling dynamic rendering and improved user experience.
• Designed and implemented scalable frontend modules using TypeScript, HTML5, CSS3, and JavaScript, following component-based architecture.
• Integrated React.js concepts (state management, reusable components, lifecycle handling) within the UI layer to enhance maintainability and performance.
• Built and consumed RESTful APIs using Node.js and Express.js, ensuring seamless communication between frontend and backend systems.
• Designed backend services with Node.js, incorporating middleware, routing, and asynchronous processing (async/await, Promises).
• Implemented comprehensive client-side validations using JavaScript/OJET and server-side validations using Node.js to ensure data integrity and security.
• Optimized API performance and response handling through efficient request/response structuring and error handling mechanisms.
• Worked with MySQL database, designing schemas, writing optimized queries, and integrating with backend services.
• Ensured secure data transactions by implementing input sanitization, validation layers, and API-level checks.
• Collaborated with cross-functional teams to enhance UI responsiveness, improve performance, and ensure high-quality deliverables.

Tech Stack: Oracle JET (OJET), React.js, TypeScript, Core JAVA, Hibernate , JavaScript, HTML5, CSS3, Node.js, REST APIs, MySQL, Git, MVC Architecture.

• Developed and involved in the complete UI, backend and testing.
• Implemented the modular architecture using React and Typescript for frontend development.
• Implemented MVC architecture for the UI using ReactJS basics.
• Deployed application on AWS.

Tech Stack: React.js, TypeScript, JavaScript, HTML5, CSS3, Node.js, REST APIs, AWS, Git.

• Designed and developed the critical scheduling and adapter definition modules which using Kendo UI framework.
• Worked on server side and client filtering for grids in the module.
• Produced client-side validation through JavaScript and Ajax for asynchronous communication.
• Involved in design, development and testing of the application.
• Worked on optimization of the UI code.
• Designed and developed the critical adapter definition modules using JAVA and OOPS concepts and scheduling using React, HTML, JavaScript.

Tech Stack: Java, Hibernate, Multithreading, React.js, JavaScript, jQuery, AJAX, HTML5, CSS3, Kendo UI, Oracle Database, MySQL, OOP, Multithreading, Git.

• Designed the wireframes of the application.
• Data Binding using jquery and JS templating with bootstrap js.
• Based on wireframes and design created HTML templates for Desktop.
• Cross Browser compatibility testing was performed.
• Fixing bugs for the applications.