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Hi, I’m Killada Kumar, a frontend engineer focused on building production-ready web applications with React and ES6+. I enjoy turning complex requirements into scalable, data-driven user interfaces and collaborating with design and product teams to ship delightful experiences. Over the years I’ve led frontend work for SaaS products, implemented robust state management (Redux, React Query), optimized performance, and established test-driven workflows (Jest, Cypress) to ensure quality across end-to-end user flows.…Hi, I’m Killada Kumar, a frontend engineer focused on building production-ready web applications with React and ES6+. I enjoy turning complex requirements into scalable, data-driven user interfaces and collaborating with design and product teams to ship delightful experiences. Over the years I’ve led frontend work for SaaS products, implemented robust state management (Redux, React Query), optimized performance, and established test-driven workflows (Jest, Cypress) to ensure quality across end-to-end user flows.

Killada Kumar

Front-End Developer, Web Developer, UI Designer, +2

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Hi, I’m Killada Kumar, a frontend engineer focused on building production-ready web applications with React and ES6+. I enjoy turning complex requirements into scalable, data-driven user interfaces and collaborating with design and product teams to ship delightful experiences. Over the years I’ve led frontend work for SaaS products, implemented robust state management (Redux, React Query), optimized performance, and established test-driven workflows (Jest, Cypress) to ensure quality across end-to-end user flows.…Hi, I’m Killada Kumar, a frontend engineer focused on building production-ready web applications with React and ES6+. I enjoy turning complex requirements into scalable, data-driven user interfaces and collaborating with design and product teams to ship delightful experiences. Over the years I’ve led frontend work for SaaS products, implemented robust state management (Redux, React Query), optimized performance, and established test-driven workflows (Jest, Cypress) to ensure quality across end-to-end user flows.

Available to hire

Hi, I’m Killada Kumar, a frontend engineer focused on building production-ready web applications with React and ES6+. I enjoy turning complex requirements into scalable, data-driven user interfaces and collaborating with design and product teams to ship delightful experiences.

Over the years I’ve led frontend work for SaaS products, implemented robust state management (Redux, React Query), optimized performance, and established test-driven workflows (Jest, Cypress) to ensure quality across end-to-end user flows.

Skills

GitHub

HTML5

JavaScript

Experience Level

GitHub

Expert

HTML5

Expert

JavaScript

Expert

Language

English

Advanced

Work Experience

Frontend Engineer at Independent Project

July 1, 2022 - December 31, 2025

Developed scalable frontend applications using React (ES6+), HTML5, CSS3; built data-driven UI with 10+ REST APIs; implemented Redux and React Query; designed synchronous UI workflows including file uploads, real-time updates, and AI responses; practiced Test-Driven Development with Jest and Cypress; achieved ~70% test coverage across core flows.

Frontend Engineer at AI Chat with PDF – SaaS Application

June 1, 2025 - November 30, 2025

AI-powered SaaS app enabling users to upload PDFs and chat with documents; implemented file upload and async processing for PDFs up to 10–20 MB; real-time UI updates; optimized React components and async state; improved responder rendering time by ~30%.

Frontend Engineer at Job Marketplace App (Job by App)

February 1, 2024 - July 31, 2024

Built a job marketplace application with authentication, job listings, applications, and recruiter dashboards; integrated 8+ REST APIs to support job searches and recruiter workflows; implemented role-based UI flows with React and Redux; reduced UI-related bugs by ~25%.