Full-Stack Development

Complete Full-Stack Development
Built to Scale

We develop end-to-end web applications with modern frontend, powerful backend, secure APIs, and scalable databases. Every solution is built for performance, security, and long-term business growth.

React & Node.jsSaaS & Multi-TenancyServer-rendered SEOLegacy modernization
130+
Full-Stack Builds Shipped
96
Avg. Lighthouse Score
2.1×
Avg. Organic Traffic Lift
6+ Yrs
Full-Stack Development Experience
Our Process

How we build step by step

A structured process ensures nothing gets missed, from initial discovery to a fully optimized full-stack launch.

  1. 01 Discover

    Discovery & Requirements Mapping

    User flows, data models, third-party integrations, and technical requirements mapped out end-to-end before a single line of code is written.

  2. 02 Architect

    Full-Stack Architecture & SEO Strategy

    Frontend component structure, backend services, database schema, and an SEO/rendering plan decided up front, so the product is fast, crawlable, and easy to extend.

  3. 03 Build

    Full-Stack Development & QA

    Secure, maintainable frontend and backend built together with modern frameworks and patterns, tested across browsers, devices, and edge cases before it ever reaches staging.

  4. 04 Launch

    Launch & Optimization

    Frontend and backend performance audits, Core Web Vitals checks, analytics setup, and deployment. Plus 30-day post-launch support for refinements.

What's Included

Every full-stack development service we offer

Websites, web applications, SaaS products, or API integrations, we cover the entire stack end-to-end, not just the parts that are easy to template.

Custom Full-Stack Web Application Development

End-to-end applications with a modern frontend, backend services, authentication, and complex business logic, built for dashboards, portals, and internal tools.

  • React
  • Node.js / Laravel
  • End-to-End Ownership

Full-Stack Marketing & Content Platforms

Marketing sites and content platforms with server-rendered frontends and a lightweight backend for content management, built for search engines from the ground up.

  • Next.js
  • Headless CMS
  • Server-Rendered SEO

Full-Stack SaaS Product Development

Multi-tenant SaaS platforms built end-to-end, with subscription billing, team roles, and usage-based features, ready to scale with your customer base.

  • Multi-Tenancy
  • Billing
  • Team Roles

Full-Stack E-Commerce Development

Storefronts and order backends built together, with clean product URLs, schema markup, and fast checkout for brands that need both speed and search visibility.

  • Headless Commerce
  • Payments
  • Product Schema

API Development & Third-Party Integrations

RESTful and GraphQL APIs connecting your frontend to payment gateways, CRMs, and internal systems, built and documented as part of a single cohesive stack.

  • REST APIs
  • GraphQL
  • Integrations

Legacy Application Modernization

Migrating outdated frontends and backends together to a modern full-stack architecture, incrementally or as a full rebuild, without disrupting the business that depends on them.

  • Migration
  • Modernization
  • Zero Downtime

Performance & Core Web Vitals Optimization

Frontend bundle optimization paired with backend query and caching tuning, plus Lighthouse audits, so speed is solved end-to-end rather than patched on one side.

  • Bundle Optimization
  • Query Tuning
  • Lighthouse

Ongoing Full-Stack Development & Support

Continuous feature development across the entire stack, dependency and framework upgrades, security patching, and bug fixes, so your product keeps evolving long after v1 ships.

  • Monitoring
  • Security Patching
  • Support
What You Get

Every deliverable included

  1. Production-Ready Codebase

    Clean, documented frontend and backend code following modern conventions, handed off through your Git provider of choice, ready for your team to extend.

  2. Fully Responsive Build

    Every page tested and refined across desktop, tablet, and mobile breakpoints, not just previewed at one screen size.

  3. SEO-Ready Rendering

    Server-rendered HTML with clean URLs and proper status codes, so search engines index your content without any special handling.

  4. Core Web Vitals Report

    A before-and-after performance report covering frontend load speed and backend response times, benchmarked with Lighthouse and load testing.

  5. Database & API Documentation

    A documented schema and API reference so your team can extend either side of the stack without guesswork.

  6. 30-Day Support Window

    Post-launch support for bug fixes, configuration tweaks, and technical questions across the full stack at no extra cost.

Selected Work

Full-stack products we've shipped

A cross-section of full-stack work, from web applications to SaaS products and e-commerce storefronts.

SaaS Marketing Site

Full-Stack Corporate Website & Portal

Full-stack rebuild pairing a server-rendered marketing site with a customer portal for a B2B SaaS company. Lighthouse performance score went from 41 to 96 and organic traffic grew 2.3× in six months.

  • Next.js
  • Node.js
  • Server-Rendered SEO
LeadPro

Lead Management Platform

Custom-built full-stack dashboard and backend replacing a spreadsheet workflow for a sales team of 40. Cut report generation time from hours to minutes.

  • React
  • APIs
  • Dashboards
E-Commerce Fashion & Lifestyle

Meridian Boutique Storefront

Custom full-stack storefront and order backend for a DTC fashion brand. Page load time dropped from 4.8s to 1.2s and organic revenue rose 34%.

  • Headless Commerce
  • Payments
  • CRO
Logistics & Fleet Management

RouteWise Fleet Tracker

Real-time fleet tracking product with a live-updating frontend and event-driven backend for driver check-ins. Cut dispatch response time by 45%.

  • Real-Time Data
  • APIs
  • WebSockets
Legacy Modernization

Harbor Freight Ops Rebuild

Rebuilt a decade-old unframeworked operations tool end-to-end on a modern stack with zero downtime during the transition. Page load time dropped 78%.

  • Migration
  • Full-Stack
  • Modernization
Consumer SaaS

Roastworks Subscription Platform

Custom full-stack subscription platform with recurring billing and a content strategy for a coffee subscription brand. Organic traffic overtook paid as the top acquisition channel.

  • Full-Stack
  • Billing
  • Organic Growth
Client Voices

What it's like to work with us

We measure success in load times and rankings, not just how a page looks. Here's what a few clients had to say.

Our old product took nine seconds to load on mobile because nobody had looked at the frontend or the backend in years. The rebuild came in under two, and our organic traffic more than doubled.
Ananya Kapoor
Head of Product, WooCommerce
They handed off a full-stack codebase our own engineers actually enjoyed working in, with patterns on both ends that made every new feature faster to ship.
Rohan Mehta
Founder, Meridian Boutique
Migrating our legacy application felt daunting because it touched both the frontend and the backend, but the transition was seamless and load times dropped almost overnight.
Daniel Cruz
Operations Lead, Harbor Freight
Transparent Pricing

Simple, honest pricing

No hidden fees, no surprises. Choose a package that fits your scope or talk to us for a custom quote.

Starter

₹ 20Konwards

Perfect for full-stack marketing sites and portfolios that need speed and SEO out of the gate.

  • Up to 6 pages
  • Fully responsive build
  • Server-rendered SEO
  • Unlimited revisions
  • Basic CMS integration
  • Domain + hosting + SSL included
  • 1 year free support
  • Full e-commerce build
  • Custom SaaS application
  • API integrations
Get Started

Enterprise

Custom

For large SaaS platforms, legacy migrations, custom products, or teams needing an embedded full-stack development team on retainer.

  • Unlimited pages/screens
  • Full multi-tenant SaaS build
  • Legacy application migration
  • Unlimited revisions
  • API & third-party integrations
  • Advanced performance tuning
  • Domain + hosting + SSL included
  • 1 year free priority support
  • Dedicated development lead
  • Monthly retainer available
Talk to Us
FAQ

Common questions

Anything else on your mind? Drop us a message at info@sitefiy.com

A single team that owns both ends avoids the handoff friction, mismatched assumptions, and slower iteration that come from coordinating two separate vendors. Decisions about rendering strategy, data shape, and performance get made once, by people who understand the whole system.

It depends on the project. A common pairing is React or Next.js on the frontend with Node.js or Laravel on the backend and PostgreSQL for data, but we'll recommend the right combination during discovery based on your goals, team, and existing systems.

A full-stack marketing site or small product typically takes 4–8 weeks; a complete SaaS product or complex web application usually takes 10–20 weeks depending on scope. We share a detailed timeline in our proposal before development begins.

We treat frontend and backend performance as one problem: optimizing bundles and rendering on one side, and queries, caching, and response times on the other, then validating both together with Lighthouse audits and load testing throughout development.

Yes. We migrate legacy frontends and backends to a modern full-stack architecture, either incrementally alongside the existing product or as a full rebuild, with a plan designed to avoid downtime for the business relying on it.

We handle the full stack, including database design, API layer, frontend, and deployment infrastructure, and document everything so your team can operate and extend the whole product independently.

Yes. Upon receipt of final payment, full IP and the complete codebase for both the frontend and backend transfer to you through your own Git repository and hosting account, no vendor lock-in.

We offer optional retainers for continued feature development across the whole stack, framework and dependency upgrades, security patching, and bug fixes after launch. It's entirely opt-in, not bundled by default.
Ready to Begin

Let's build a full-stack product
that actually ranks

Tell us about your project and we'll get back within 24 hours with a tailored full-stack development proposal, no commitment required.