I'm Krishn kant Tiwari!
Welcome to my GitHub profile! I’m a passionate and results-driven Senior Software Development Engineer with ~7 years of experience building fast, scalable, and user-centric web applications. I specialize in React.js, Node.js, and full-stack JavaScript development — with strong foundations in performance optimization, cloud infrastructure, and scalable system design.
- Expert in React.js, Next.js, Redux, and Modern JavaScript (ES6+)
- Strong grasp of component-based architecture, hooks, and SPA principles
- UI/UX development using HTML5, CSS3, SASS/SCSS, and responsive frameworks (Tailwind, Bootstrap)
- SSR/ISR using Next.js for SEO and performance
- Experienced in Node.js, Express.js, and building secure, high-performance REST APIs
- Microservice development and system design with scalability in mind
- Familiar with GraphQL, JWT, and API Gateway patterns
- Relational: MySQL, PostgreSQL
- NoSQL: MongoDB, Firebase Realtime Database
- Schema design, query optimization, indexing strategies, and backup mechanisms
- Hands-on experience with AWS (EC2, S3, Lambda, CloudFront, RDS), Digital Ocean
- Set up CI/CD pipelines using GitHub Actions, Jenkins, and Bitbucket Pipelines
- Dockerized apps for scalable deployments and smooth environment parity
- Git, Webpack, Babel, ESLint, Husky, Yarn, npm
- Testing with Jest, React Testing Library, and Postman for API testing
- Knowledge of monorepo architecture using Lerna and Yarn workspaces
- Currently diving into:
- Web Vitals (FID, LCP, CLS) & performance observability
- Progressive Web Apps (PWA) & Service Workers
- Module Federation, Microfrontends, and AI/ML integrations
REA India (Housing.com) | Present
- 🚀 Improved Dedicated Page Response Time by 20% by shifting from sequential to parallel API calls
- ✅ Achieved 100% good URLs for Core Web Vitals (LCP, CLS) on News platform
- 🛠 Reduced 5xx errors from spikes to <10/week through RCA and strategic fixes
- 🧩 Spearheaded microfrontend architecture using Lerna and shared libraries
- 🤝 Collaborated with cross-functional teams for design, story planning, and release management
Simform
- Developed end-to-end full-stack solutions for healthcare, fintech, and e-commerce clients
- Contributed to reusable design systems, backend APIs, and performance audits
- Collaborated in agile teams, delivering high-quality releases on tight timelines
Knackbout Studios
- Built a game-based learning platform with real-time interaction and gamified content
- Optimized rendering and asset delivery for improved user engagement
A complete e-commerce app built with React, Redux, and Firebase
- 🔍 Product listing & search with real-time updates
- 🛒 Cart management, lazy loading, and secure checkout
- 📱 Mobile-first design & SSR using Next.js for SEO optimization
- Built secure, modular APIs with Node.js, Express, and MongoDB
- Implemented JWT-based auth, rate-limiting, and CRUD operations
- Hosted on AWS, with logs, monitoring, and auto-backups
- Cut page load time by 20% via async/parallel API re-architecture
- Refined Core Web Vitals (LCP/CLS/FID), improving UX & Google rankings
- Introduced header-based cache-control and lazy hydration
- 📉 Reduced 5xx backend errors with proactive debugging & logging
- 📈 Boosted web performance for high-traffic pages using CDN, lazy loading, and SSR
- 🧱 Led migration to Microfrontend architecture for better team scalability
- 🚀 Delivered time-critical features by managing cross-team dependencies efficiently
- 🧑🏫 Mentored junior devs and improved code quality through PR reviews and documentation
- Deep dive into AI/ML-powered applications
- Enhancing user experience with PWA, Service Workers, Push Notifications
- Experimenting with WebAssembly (WASM) and Edge Functions
- Building reusable DevOps scripts for fast deployment and rollback
I’m always up for interesting tech discussions, freelance collaborations, and new opportunities.
- 📧 Email: krishnkant120@gmail.com
- 💼 LinkedIn: linkedin.com/in/krishnkant-me
- 👨💻 GitHub: github.com/krishnkant1996
Thanks for visiting! Let's build something awesome together. 🚀