Sunil Band
Building next generation interfaces by pushing beyond conventional UI patterns — designing and engineering experiences that feel fundamentally different from what exists today.Hi! I'm the friendly dev who turns coffee into snappy, good-looking websites with React and Next.js. I sweat the tiny details so your screens feel fast, comfy, and just plain delightful. ✨
Still early, but with the kind of experience that comes from shipping fast, breaking things in staging (not production), and learning from senior engineers who don't sugarcoat feedback.A few trips around the sun spent making zippy, works-everywhere apps that real humans actually love using.
Platforms serving millions of users monthly with measurable impact on performance, engagement, reliability and growth.Tons of lovely people poke at things I've built every month, and somehow it all keeps humming along nicely.
Building fast, scalable web products that users actually enjoy — with a sharp focus on Core Web Vitals, server-side rendering, and the kind of clean architecture that doesn't become someone else's problem six months later.React and Next.js are my trusty sidekicks for building speedy, friendly-to-everyone corners of the internet.
Technical
EcosystemToys I
Build With
A production-focused ecosystem spanning modern frontend delivery, responsive UI, backend services, and performance optimization.My happy little collection of tools for building speedy screens, comfy interfaces, and behind-the-scenes magic. 🪄
ExperienceAdventures
GAMEZOPSoftware Engineer (SDE-1)
Full Time • Jun 2024 - Present • Gurugram, India
Engineered a partner-customizable, enterprise-grade portal using Next.js with partial pre-rendering and edge caching, delivering high-performance pages at scale for partners with millions of daily active users.
Improved platform performance via code splitting and lazy loading, achieving a 50% reduction in bundle size and a 70% improvement in user engagement metrics.
Implemented SEO-optimized components and structured data schemas (JSON-LD), increasing search engine rankings by 40% and driving significant organic traffic growth.
Diagnosed and resolved 100+ critical production bugs, strengthening platform stability and reducing application crash rates by 30%.
Led full codebase migration from legacy Next.js Pages Router to App Router, improving maintainability, code modularity, and long-term scalability.
CRYPTONET TECHNOLOGIESFrontend Developer Intern
Internship • Jan 2024 - Apr 2024 • Thane, India
Built a full-featured admin panel for a Three.js gaming application, including user management, real-time analytics dashboards, and content moderation workflows.
Delivered complex 3D web experiences using React Three Fiber, Next.js, and TypeScript, producing immersive and performant user interfaces.
Launched a job portal application with an end-to-end application tracking system and automated recruitment workflow management.
DIGIVENTRY TECHNOLOGIESWeb Developer Intern
Internship • Jul 2023 - Jan 2024 • Pune, India
Architected a custom CRM solution from the ground up, delivering comprehensive workflow management, client tracking, and automated reporting capabilities.
Established secure authentication and authorization systems across multiple products using JWT tokens and Firebase security protocols.
Migrated legacy systems to a modern technology stack, reducing technical debt and improving overall system performance and maintainability.
APPYHIGHFull Stack Developer Intern
Internship • Jun 2023 - Jul 2023 • Gurugram, India
Engineered a secure API key generation and management system for a large-scale platform with high availability and enterprise-grade security requirements.
Integrated OAuth authentication workflows, email validation services, and Stripe payment processing to streamline user onboarding and monetization flows.
Constructed a reusable TypeScript component library and established shared design patterns, accelerating development velocity across multiple team projects.
