Chandrashekhar Reddy

Frontend Developer

Bengaluru, India 4+ yrs exp 89 · Excellent

About

Frontend Developer with 4.2+ years of experience building scalable Single Page Applications (SPAs) and multi-tenant SaaS products using React.js, JavaScript (ES6+), TypeScript, HTML5, CSS3, and Tailwind CSS. Skilled in state management and server-state caching with Redux Toolkit, RTK Query, Zustand, and TanStack Query (React Query). Currently building real-time, LLM-powered AI chat interfaces with Server-Sent Events (SSE), data-rich dashboards, and SEO-optimized B2C websites. Strong in RESTful API integration, reusable component architecture, responsive UI development, frontend performance optimization, and OAuth 2.0 integrations, with cross-functional collaboration in Agile teams.

Skills & Expertise (52)

React.js Advanced

8.5/10

Years Exp

Typescript Advanced

7.5/10

Years Exp

Git Advanced

7.0/10

Years Exp

RESTful APIs Advanced

7.0/10

Years Exp

Node.js Intermediate

6.5/10

Years Exp

Postgresql Intermediate

6.0/10

Years Exp

Cross-Browser Compatibility SDLC Chart.js TanStack Table Dashboards Server-Sent Events fetch Technical SEO Meta Tags Sitemaps Web Performance Optimization OAuth 2.0 JWT Role-based access control GitHub Gitlab Vite Webpack Google Cloud Platform VS Code Agile Scrum Javascript (ES6+ RTK Query HTML5 CSS3 SCSS React Hooks REDUX Redux Toolkit Next.js Single Page Applications SSR CSR Component-Based Architecture Responsive Web Design Zustand TanStack Query Axios JSON Express.js Tailwind CSS Shadcn UI Material UI DevExtreme bootstrap

Work Experience

React.js Developer

Twinleaves

Sep 2025 - Present

Pallet - Multi-Tenant Retail Management System (SaaS) for grocery and restaurant brands, locations, and domains on a single shared codebase. Pallet IQ - AI Assistant and Agent Layer (Action Center) • Built a real-time AI chatbot streaming LLM agent responses token-by-token using Server-Sent Events (SSE) with the native Fetch and ReadableStream APIs. • Implemented a multi-event SSE protocol (session, status, token, complete, error) powering tool-step timelines, streaming chat bubbles, and an actionable proposal queue. • Engineered a streaming-safe Markdown-to-HTML renderer (GFM tables, code blocks, images, YouTube embeds, media cards) and a chart inference engine converting agent-generated tables into live Chart.js visualizations. • Delivered multi-turn conversations with session continuation, stop, retry, edit-and-resend, and regenerate controls, plus multi-modal file and image uploads. • Improved stream reliability by handling idle timeouts, wall-clock caps, gateway retries, duplicate-token detection, and clean cancellation on component unmount. Pallet Reach - Marketing and Customer Engagement • Owned the marketing module end to end, from integration and onboarding to production: campaign management, multi-step journey campaigns, audience segmentation, scheduling, templates, notifications, offers, coupons, and loyalty programs. • Integrated AI-driven SEO, proposal generation, and AI-assisted budget recommendations for campaign spend. Product Catalogue and Multi-Brand Hierarchy • Revamped the grocery product creation flow and built the restaurant product flow from scratch, introducing bundles, combos, category creation, and an AI-assisted catalogue overview. • Extended organization-level modules to support HQ, Rise, and Brand hierarchies, delivering brand-level product creation, brand-to-location mapping, and role-specific performance dashboards. Google Integrations and B2C SEO • Implemented OAuth 2.0 authentication and onboarding for Google Business Profile, Google Merchant Center, and Google Search Console, including catalogue-to-Merchant Center product sync and in-app search performance insights. • Developed responsive, tenant-specific B2C restaurant websites with technical SEO (dynamic meta tags, canonical URLs, Open Graph, Twitter Cards, JSON-LD, sitemap, robots.txt) to improve Google indexing and search visibility.

React.js Developer

Corefront Technologies Pvt Ltd

Jun 2022 - Sep 2025

MediConnect Portal - Healthcare Web Application | Apr 2023 - Sep 2025 • Developed a role-based healthcare portal with separate Patient and Doctor modules for appointment scheduling, prescription management, and medical records. • Built responsive, cross-browser UIs with React.js, TypeScript, and SCSS modules, integrating DevExtreme DataGrid, Scheduler, and DateTime Picker for scheduling workflows. • Implemented Redux with middleware for global state management and asynchronous API calls, and secured the app with JWT-based role-based access control (RBAC). • Built analytics dashboards with DevExtreme charts to track patient visits, appointment trends, and doctor workload. • Collaborated with backend engineers on REST API contracts and resolved performance, API, and UI/UX issues for a fast user experience. Gencanvas-AI - Web Application | Jun 2022 - Apr 2023 • Built responsive, accessible interfaces for desktop, tablet, and mobile using React.js, Redux, HTML5, CSS3, and Bootstrap. • Developed an isomorphic React and Redux application with SSR, consuming RESTful services through Redux-Promise middleware. • Optimized network efficiency by working with backend engineers to streamline existing API calls and deprecate redundant ones. • Instrumented usage metrics and end-to-end event tracing for product analytics, and built a reusable custom DateTime Picker component. • Ensured cross-browser compatibility across Chrome, Firefox, and Safari, resolving browser, performance, and usability issues.