Frontend Engineer (React.js)

I’m Balaji Kolli, a Frontend Engineer with 3.6+ years of experience building scalable enterprise applications.

Experience

Systems EngineerInfosys

Jun 2024 – Present

  • Built 50+ reusable React components, reducing development time by 25%
  • Integrated 20+ REST APIs using Context-based global state
  • Improved application performance by ~40% using lazy loading and memoization
  • Managed production deployments via Azure CI/CD pipelines

Senior Systems AssociateInfosys

Jan 2024 – Apr 2025

  • Developed React & Angular UI workflows with modular architecture
  • Improved responsive behavior using Flexbox and CSS Grid
  • Optimized DOM rendering and accessibility across modules
  • Participated in sprint planning and UI estimation

Systems AssociateInfosys

Mar 2023 – Jan 2024

  • Built reusable UI widgets and navigation components
  • Integrated REST APIs for dashboards and reporting screens
  • Reduced unnecessary re-renders by restructuring components
  • Resolved UI defects and performance bottlenecks

Operations ExecutiveInfosys

Apr 2022 – Mar 2023

  • Handled L1 operations, issue trigging and incident management
  • Coordinated with business and technical teams for resolution
  • Maintained operational reports and process documentation
  • Identified recurring issues and suggested process improvements

Skills

Frontend

React.jsJavaScript (ES6+)HTML5CSS3

State Management

ReduxContext API

UI Engineering

Component ArchitectureResponsive DesignFlexboxCSS GridAccessibility

Tools

GitGitHubAzure DevOpsWebpackPostman

Cloud

Azure Static Web AppsCI/CD Pipelines

Projects

MOS – Material Operations System

Enterprise React application managing inventory, purchase requests and delivery workflows.

  • Built 50+ reusable React components
  • Integrated 20+ REST APIs
  • Role-based access & validations
  • Improved performance by ~40%

Clinical Health Assessment (CHA)

Healthcare dashboards and analytics platform.

  • Redux & Context-based state management
  • Analytics dashboards using charts
  • Reduced load time by 30–45%
  • Improved accessibility & responsiveness

Let’s Build Something Impactful

I’m open to frontend engineering opportunities where I can build scalable, high-performance user interfaces and contribute to meaningful products.