Sushant Kulkarni

Senior Front-End Developer

Talent

BengaluruMember since July 27, 2026

React.jsNext.jsReduxTypeScriptHTML5CSS3Tailwind CSSWordPressRESTful APIsRedux ToolkitTanStack React QueryThree.jsReact Three FiberWebSocketsFirebaseNextAuth.jsInternationalization (i18n)

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React.jsNext.jsReduxTypeScriptHTML5

About

Front-End Developer with 4+ years of experience building AI, SaaS, e-commerce, and donation web applications using React.js, Next.js, TypeScript, JavaScript, Redux, HTML5, CSS3, Tailwind CSS, and WordPress. Skilled in building reusable UI components, AI-powered features, real-time applications, and responsive user interfaces. Experienced in optimizing application performance, integrating RESTful APIs and third-party services, and delivering scalable, accessible web applications in Agile environments.

Experience

Front End Developer - Noesis Knowledge Solutions Pvt Ltd

(2021-11)

Designed and delivered enterprise-grade AI, SaaS, e-commerce, and donation platforms using React.js, Next.js, TypeScript, and JavaScript, building scalable, accessible, and high-performance web applications.
Architected reusable component libraries and scalable frontend modules using Redux Toolkit, React Context API, and TanStack React Query, reducing code duplication by 35% and improving maintainability.
Developed AI-powered applications, AI agents, RAG workflows, streaming AI experiences, analytics dashboards, checkout systems, embeddable widgets, financial portals, and 3D product configurators using React Three Fiber and Three.js.
Built real-time collaboration features using WebSockets, Sendbird Chat SDK, Firebase Cloud Messaging (FCM), Firestore listeners, and BroadcastChannel APIs for live messaging, notifications, and cross-tab synchronization.
Implemented secure authentication using NextAuth.js, Firebase Authentication, JWT, OAuth, OTP, and RBAC, while integrating Razorpay and Dibsy payment gateways for secure payment processing.
Integrated Strapi CMS, AWS S3, Firebase, Google Analytics 4 (GA4), Google Tag Manager (GTM), Facebook Pixel, and Sentry for content management, cloud storage, analytics, and application monitoring.
Optimized performance using SSR, ISR, code splitting, lazy loading, dynamic imports, image optimization, caching, and API debouncing, reducing JavaScript bundle size by 40% and achieving 90+ Lighthouse Performance scores.
Implemented internationalization (i18n) with English/Arabic localization, RTL layouts, JSON-LD, XML sitemaps, and SEO best practices to improve multilingual accessibility and search visibility.
Leveraged Cursor, Claude Code, OpenAI Codex, OpenCode, prompt engineering, and agentic workflows to accelerate feature development, code refactoring, debugging, documentation, and overall engineering productivity.
Collaborated with product managers, designers, backend engineers, and QA teams in Agile/Scrum environments to deliver production-ready applications, perform code reviews, and resolve production issues.