Custom Next.js applications, headless e-commerce stores, and high-speed landing pages engineered with frosted liquid glass aesthetics, hardware telemetry, and sub-second load speeds.
Sub-Second
Page load speeds
100% Custom
Clean Next.js code
Privacy First
Compliance ready
Instant Web Audit Scanner
Free Core Web Vitals diagnostic
From conversion landing pages to complex SaaS architectures, we deliver clean, performant code tailored to your goals.
Web Applications & SaaS Platforms
Custom full-stack web applications, admin portals, and scalable dashboards built with Next.js 14, React, and Node.js.
Cloudflare Protected Image Host
High-speed edge asset storage desk. 2 Free Image Uploads included for life; extra slots cost 5 Credits/year (₹5 INR).
Prepaid Client Wallet & Store Credits
Universal internal agency currency (1 Credit = ₹1 INR). Usable across store products, monthly management retainers, and extra hosting slots.
E-Commerce Storefronts
Feature-rich online storefronts with Razorpay payment gateways, inventory sync, and instant checkout flows.
Performance & SparkCheck Audits
In-depth Core Web Vitals diagnostic, LCP/CLS optimization, security header reviews, and Senior Engineer signed reports.

Gautham.B
Founder & Lead Engineer
Bangalore, India
"I build high-velocity Next.js applications and automated infrastructure for founders and creators. Every project is engineered with 100% clean code, sub-second load speeds, and liquid glass ergonomics."
Email: gautham@sparkdev.in
Discord: @itz.gauthamb
Live production systems engineered and delivered by SparkDev.
LegalTrack Compliance Portal
Live legal compliance tracking web application designed & deployed by SparkDev.
SparkNode Hosting Platform
Automated cloud hosting management portal with real-time server stats.
SparkDev Digital Store
Headless Next.js storefront with Razorpay checkout & digital asset delivery.
Senior Engineer Audit Desk
Real-time performance diagnostic desk analyzing LCP, CLS & WCAG compliance.
What clients say about our Next.js engineering & speed refactoring services.
"SparkDev refactored our Next.js architecture and dropped our LCP from 3.8s to 0.5s. Organic conversion rates jumped by 28% in the first month."
Rohan Sharma
Co-Founder, TechFlow SaaS
"The headless storefront and Razorpay payment gateway Gautham built handles thousands of daily orders seamlessly. Extremely fast execution."
Ananya Verma
E-Commerce Director, LuxeStore
"Outstanding attention to Core Web Vitals, accessible typography, and clean code standards. Shipped our entire web platform in under 2 weeks."
Vikramaditya Nair
Product Lead, DevPulse
Real-world Core Web Vitals hardware speedometer comparison.
Heavy plugins & uncompressed stylesheets
Hardware Hardware Telemetry: 42% Optimal
- Multiple blocking CSS/JS bundles delaying initial page render.
- Unoptimized images causing high Cumulative Layout Shift (CLS).
Edge CDN distribution with static hydration
Hardware Hardware Telemetry: 99% Optimal
- Automatic route splitting & minimal JavaScript payload size.
- Zero layout shifts with Next.js explicit image dimensioning.
Submit your web project requirements or request an upgrade for your existing application.