Freelance Software Engineering

Building reliable SaaS & custom apps for growing businesses.

I'm a former lead software engineer turned freelancer, helping businesses ship robust SaaS platforms, high-quality web and mobile apps, and reliable digital experiences.

React · Angular · Node.js WooCommerce & custom backends Client-focused delivery

Available for SaaS product development, custom web & mobile projects, and ongoing technical consulting.

About

From lead engineer to hands-on freelancer

Combining product thinking with strong engineering fundamentals to ship what your business actually needs.

I'm Sandeep Guggilla, a former lead software engineer turned independent freelancer specializing in SaaS product development, custom web & mobile applications, and software consulting.

My work focuses on building maintainable systems with clear architecture and thoughtful user experiences. I've helped teams launch everything from internal billing tools to customer-facing booking portals and e-commerce platforms.

I care about clarity, reliability, and communication. That means realistic timelines, clean code, transparent progress updates, and solutions tailored to your specific workflows rather than generic one-size-fits-all implementations.

Live Demos

Explore interactive demos

Test-drive fully functional demo applications built with modern technologies.

🏥 Live Demo

Hospital Admin Dashboard

Complete healthcare management system with patient records, appointments, doctor management, billing, and analytics. Built with Angular and modern UI patterns.

Authentication Patient Management Appointments Billing Reports Responsive
🛒 Live Demo

E-Commerce Platform

Full-featured online store with product catalog, shopping cart, checkout flow, and order management. Integrated with payment gateways and inventory tracking.

Product Catalog Shopping Cart Payments Orders Inventory Analytics
📦 Live Demo

Order Management System

Lightweight order management with dashboard KPIs, searchable orders, customer records, product lookups and configurable settings. Ideal for back-office teams.

Order Processing Status Tracking Customers Products Reports Responsive
🚌 Live Demo

Coach Charter Service Portal

Full-service transportation booking platform for Canada Wide Coach. Features online booking, destination management, admin dashboard, and customer contact system.

Online Booking Quote Requests Admin Dashboard Destinations Contact System Responsive

Services

How I can help your business

From first prototype to production-ready systems with ongoing support.

SaaS Product Development

Design & build SaaS platforms

End-to-end development for SaaS products, including architecture, APIs, frontends, and integrations designed for future growth.

Custom Web & Mobile

Tailored applications

Responsive web apps and mobile-friendly experiences built with React, Angular, Node.js, and modern best practices.

Freelance Consulting

Technical guidance

Code reviews, architectural advice, and second opinions on stack choices, refactors, and product roadmaps.

Maintenance & Support

Ongoing reliability

Bug fixes, performance improvements, feature iterations, and long-term support for existing systems.

Portfolio

Selected projects

A sample of recent work across internal tools, e-commerce, and booking platforms.

Cattle Feed Management System

Billing & inventory solution

A custom web application for a cattle feed business handling daily billing, stock tracking, and client management with clear reports.

Angular Node.js Inventory

Pharmacy WooCommerce Store

Custom e-commerce backend

WooCommerce-powered pharmacy store with custom product logic, order handling, and integrations tailored to local regulations.

WooCommerce WordPress API integrations

Hotel Booking Platform

Multi-property reservation system

React-based booking engine with real-time availability, dynamic pricing, room selection, and integrated payment processing for hotel chains.

React Node.js Booking

HR Management System

Employee lifecycle platform

Comprehensive HRMS covering recruitment, onboarding, attendance, payroll, leave management, and performance reviews with role-based access.

React REST APIs HRMS

Task Management Dashboard

Project collaboration tool

Team productivity platform with task boards, sprint planning, time tracking, and real-time collaboration features built with React and WebSockets.

React WebSockets Real-time

Restaurant Ordering System

Online food ordering & delivery

Full-stack food ordering platform with menu management, cart, checkout, order tracking, and kitchen display system for restaurants.

React Node.js Orders

Contact

Let's talk about your project

Share a few details and I'll follow up with timelines and next steps.