Sushant Kulkarni

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.

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.

B.C.A. - Computer Applications (General) - Shri Siddhalingeshwar B.C.A College Gokak, Belagavi (2015)

12th - Science - Karnataka (2012)

10th - Kannada Medium - Karnataka (2010)