Backend Development

Professional Backend Development
Built for Performance & Scalability

We provide custom backend development services using modern technologies to build secure, scalable, and high-performance server-side applications. From REST APIs and databases to authentication systems, cloud infrastructure, and business logic, our backend solutions power reliable web and mobile applications built for long-term growth.

APIs & DatabasesSaaS & Multi-TenancyScalable ArchitectureLegacy modernization
130+
Backend Systems Shipped
220ms
Avg. API Response Time
Avg. Traffic Capacity Increase
6+ Yrs
Backend Development Experience
Our Process

How we build step by step

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

  1. 01 Discover

    Discovery & Requirements Mapping

    Data models, business logic, third-party integrations, and technical requirements mapped out before a single line of backend code is written.

  2. 02 Architect

    System Architecture & Data Strategy

    Database design, service boundaries, caching layer, and a scalability plan decided up front, so the system is fast, reliable, and easy to extend.

  3. 03 Build

    Backend Development & QA

    Secure, maintainable backend services built with modern frameworks and patterns, tested for correctness, load, and edge cases before they ever reach staging.

  4. 04 Launch

    Launch & Optimization

    Server and query performance audits, load testing, monitoring setup, and deployment. Plus 30-day post-launch support for refinements.

What's Included

Every backend development service we offer

APIs, databases, SaaS platforms, or third-party integrations, we cover the entire backend stack, not just the parts that are easy to template.

Custom Backend & Server Development

Full backend systems with authentication, background jobs, and complex business logic, built to power dashboards, portals, and internal tools.

  • APIs
  • Authentication
  • Background Jobs

Database Design & Data Modeling

Relational and NoSQL schema design tuned for your access patterns, with indexes, constraints, and migrations that keep data consistent as you scale.

  • PostgreSQL
  • MongoDB
  • Schema Design

SaaS Backend & Multi-Tenant Architecture

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

  • Multi-Tenancy
  • Billing
  • Team Roles

E-Commerce Backend Development

Order management, inventory, and payment processing systems built for reliability under load, with clean data models for reporting and analytics.

  • Order Management
  • Payments
  • Inventory

API Development & Third-Party Integrations

RESTful, GraphQL, and webhook-driven APIs that connect your product with payment gateways, CRMs, and internal systems, documented for your team to extend.

  • REST APIs
  • GraphQL
  • Webhooks

Legacy Backend Modernization

Migrating outdated or unframeworked backend systems to modern services and cloud infrastructure, incrementally or as a full rebuild, without disrupting the business that depends on them.

  • Migration
  • Cloud Infrastructure
  • Modernization

Performance, Scaling & Infrastructure

Query optimization, caching layers (Redis), load balancing, and horizontal scaling strategies that keep response times low as traffic grows.

  • Query Optimization
  • Caching
  • Load Balancing

Ongoing Backend Development & Support

Continuous feature development, dependency and runtime upgrades, security patching, and bug fixes, so your system keeps evolving long after v1 ships.

  • Monitoring
  • Security Patching
  • Support
What You Get

Every deliverable included

  1. Production-Ready Codebase

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

  2. Scalable Database Schema

    A normalized, indexed schema designed around your real access patterns, not just a first draft that happens to work.

  3. Documented API Reference

    Every endpoint documented with request/response examples, authentication details, and error codes, so integration is straightforward.

  4. Load & Performance Report

    A before-and-after performance report covering response times, throughput, and stability under load.

  5. Deployment & Infrastructure Setup

    A documented deployment pipeline and infrastructure configuration so your team can ship changes without guesswork.

  6. 30-Day Support Window

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

Selected Work

Backend systems we've shipped

A cross-section of backend work, from API platforms to SaaS systems and e-commerce order processing.

SaaS Platform

Custom Backend for B2B SaaS Company

Full backend rebuild with a redesigned data model for a B2B SaaS company. API response times dropped from 1.8s to 220ms and the system now handles 5× the traffic.

  • APIs
  • PostgreSQL
  • Caching
LeadPro

Lead Management Backend

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

  • APIs
  • Reporting
  • Automation
E-Commerce Fashion & Lifestyle

Meridian Boutique Order Platform

Custom order and inventory backend for a DTC fashion brand. Checkout failure rate dropped from 6% to under 0.5% during peak sales.

  • Order Management
  • Payments
  • Inventory
Logistics & Fleet Management

RouteWise Fleet Tracker

Real-time fleet tracking backend with live location ingestion and driver check-in processing. Cut dispatch response time by 45%.

  • Real-Time Data
  • APIs
  • Event Processing
Legacy Modernization

Harbor Freight Ops Rebuild

Rebuilt a decade-old monolithic operations backend on modern services with zero downtime during the transition. Query times dropped 78%.

  • Migration
  • Cloud Infrastructure
  • Modernization
Consumer SaaS

Roastworks Subscription Backend

Custom subscription and billing backend for a coffee subscription brand, handling recurring charges, plan changes, and dunning at scale.

  • Billing
  • Subscriptions
  • Automation
Client Voices

What it's like to work with us

We measure success in response times and uptime, not just how a demo looks. Here's what a few clients had to say.

Our old backend took nine seconds to respond under load because nobody had touched the query layer in years. The rebuild came in under a second, and we haven't had a downtime incident since.
Ananya Kapoor
Head of Product, WooCommerce
They handed off a backend our own engineers actually enjoyed working in, with services that made every new feature faster to ship.
Rohan Mehta
Founder, Meridian Boutique
Migrating our legacy monolith to modern services felt daunting, but the transition was seamless and response 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 a small backend or API powering a website or simple internal tool.

  • Up to 6 endpoints
  • Core database design
  • Basic authentication
  • Unlimited revisions
  • API documentation
  • Domain + hosting + SSL included
  • 1 year free support
  • Multi-tenant SaaS backend
  • Payment processing
  • Advanced integrations
Get Started

Enterprise

Custom

For large-scale platforms, legacy migrations, custom infrastructure, or teams needing an embedded backend development team on retainer.

  • Unlimited endpoints
  • Full multi-tenant SaaS build
  • Legacy system migration
  • Unlimited revisions
  • API & third-party integrations
  • Advanced performance & scaling
  • 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

It depends on your team and goals. Node.js and TypeScript suit teams wanting a unified JavaScript stack; Laravel or PHP suit teams wanting rapid development with strong conventions; Python and Go suit data-heavy or high-throughput systems. We'll recommend the right fit during discovery based on your requirements and existing team skills.

A well-structured monolith is usually the right starting point, it's simpler to build, test, and deploy. Microservices make sense once specific parts of the system need to scale or deploy independently. We'll assess your scale and team size before recommending a split.

A backend for a small application typically takes 4–8 weeks; a full SaaS backend or multi-service system usually takes 10–20 weeks depending on scope. We share a detailed timeline in our proposal before development begins.

We load test against realistic traffic patterns, tune database queries and indexes, add caching layers like Redis, and set up monitoring and alerting so issues get caught before customers notice them.

Yes. We migrate legacy monoliths and unframeworked codebases to modern services and cloud infrastructure, either incrementally alongside the existing system or as a full rebuild, with a plan designed to avoid downtime for the business relying on it.

Both. We set up CI/CD pipelines, cloud infrastructure, and deployment configuration as part of the build, and document everything so your team can operate and extend it independently.

Yes. Upon receipt of final payment, full IP, the complete codebase, and infrastructure configuration transfer to you through your own Git repository and cloud account, no vendor lock-in.

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

Let's build a backend
that actually scales

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