Software engineering · AI · SaaS

Building Scalable Software, SaaS & AI-Powered Solutions

Muhammad Muzammal — Senior Full-Stack Software Developer | AI & SaaS Solutions

I design and develop high-performance web applications, SaaS platforms, APIs, AI-powered systems, and business automation solutions for startups and businesses worldwide.

Lahore, Punjab, Pakistan Open to international clients Remote-ready
5+Years of full-stack experience
20K+Freelance development hours
4.9/5Fiverr rating
17Fiverr reviews
01 / About

Production software, built to last.

Senior full-stack engineering with a consultancy standard of architecture, delivery, and long-term maintainability.

I am a senior full-stack developer with 5+ years of experience building and maintaining production applications. Through Fiverr and Upwork, I have worked with international clients across SaaS, fintech, ERP, IoT, e-commerce, CRM, analytics, healthcare, retail, and transportation.

  • Full product lifecycle: architecture, development, deployment, and maintenance.
  • Clean architecture, scalability, performance, testing, and maintainability.
  • AI integrations, intelligent automation, APIs, and third-party systems.
  • DevOps and cloud deployment for production environments.
  • Direct collaboration with teams and clear handling of client requirements.

Practice

How engagements typically run

Scope SaaS, APIs, AI features, business systems Delivery Architecture through production Platforms Fiverr, Upwork, direct Base Lahore · remote worldwide

Now

Open to international work

Available for product builds, system modernization, and long-term engineering partnerships through AI SoftBridge Technologies.

02 / Products

What I build

Modern digital products with a bias toward systems that stay operable after launch.

SaaS platforms

Subscription-based software and multi-user business platforms, including dashboards, billing, and tenant workflows.

AI applications

AI-powered tools, OpenAI integrations, automation, and intelligent workflows inside real products.

Business systems

CRM, ERP, helpdesk, dashboards, and internal management systems for day-to-day operations.

E-commerce

Online stores, payment systems, inventory, and customer workflows from catalog to checkout.

Analytics

Website analytics, user journey tracking, and platforms that turn product data into usable insight.

APIs

REST and GraphQL APIs, authentication, and third-party integrations that connect the rest of the stack.

03 / Services

Engineering services

From greenfield products to production maintenance. See the full practice on the services page.

Full-stack web development

Scalable, maintainable web applications using modern frontend and backend technologies.

SaaS development

Multi-tenant platforms, subscription systems, dashboards, APIs, and business applications.

AI & intelligent applications

AI-powered features, integrations, automation workflows, and intelligent business tools.

API development & integrations

REST and GraphQL APIs, plus payments, communications, and other external systems.

Custom business software

CRM, ERP, support systems, dashboards, booking, inventory, and internal tools.

Legacy application modernization

Refactor and modernize existing applications while preserving business functionality.

Cloud & DevOps

Docker, CI/CD, AWS, DigitalOcean, Heroku, deployment, and production operations.

Maintenance & optimization

Bug fixing, performance, security, feature work, and long-term application care.

04 / Work

Selected projects

A sample of production and product work across SaaS, analytics, support systems, and AI. Full case notes on the work page.

SaaS · Payments

Taraka

Ruby on RailsJavaScriptStripeMailerLite

A SaaS application involving Human Design, ephemeris calculations, subscriptions, payments, user journeys, and analytics.

Role

Full-stack development, bug fixing, feature development, and system improvements.

Focus

Stripe subscriptions, attribution, customer flows, chart-related functionality, and production analytics.

Analytics · APIs

Website Analytics & User Journey Platform

PythonFastAPIMongoDB

A modern analytics system designed to collect website analytics and record user journeys through backend APIs and data processing.

Problem

Product teams needed structured analytics and journey data rather than disconnected event logs.

Solution

API-first collection of behavior and journey data with processing built for downstream insight.

In development

SenseInsights

AnalyticsInsights

A full-stack analytics and insights platform currently in development — turning application and user data into useful business insight.

Role

Product and full-stack engineering.

Status

Active development. Public demo links will be added when available.

Internal tools

Nextdesk

Ruby on RailsSupport ops

An internal ticketing and helpdesk application for ticket management, support workflows, user management, and business support operations.

Role

Full-stack development on a production support system.

Stack

Ruby on Rails and modern web technologies.

05 / Industries

Industries I've built for

Domain experience across product types — not a list of public client names.

SaaS
Fintech
ERP
IoT
E-commerce
CRM
Analytics
Healthcare
Retail
Transportation
Business automation
Customer support
06 / Stack

Technical skills

A working stack used across production applications, not a wishlist.

Backend

RubyRuby on RailsNode.jsExpress.jsNestJSSinatraPythonFastAPIDjangoPHPLaravel

Frontend

JavaScriptTypeScriptReactNext.jsVueAngularHTMLCSSTailwind CSSMaterial UIBootstrapjQuery

Databases

PostgreSQLMySQLMongoDBRedisSQLiteSupabase

APIs & integrations

REST APIsGraphQLOAuthJWTStripePayPalOpenAI APIsThird-party APIs

Cloud / DevOps

DockerAWSDigitalOceanHerokuCI/CDLinuxProduction deploymentMonitoring

Testing

RSpecMiniTestCapybaraTDDBDD
07 / Method

How I work

A clear path from business problem to production system.

01

Understand the problem

Clarify the commercial and operational need before choosing tools.

02

Define requirements

Turn conversations into a scope the product can actually be built against.

03

Design architecture

Model data, services, and interfaces so the system can grow.

04

Build the product

Implement scalable backend and frontend with maintainable code.

05

Integrate systems

Connect APIs, payments, communications, and third-party services.

06

Test and optimize

Cover behavior, performance, and the paths that fail in production.

07

Deploy

Ship to a real environment with a repeatable release path.

08

Maintain

Improve, patch, and extend the system after launch.

Clean architecture Maintainable code Testing Performance Security Scalability Clear communication

08 / Company

AI SoftBridge Technologies

A software and AI technology company focused on bridging business needs with modern technology. Tagline: Bridging Ideas with Intelligent Technology.

Services include AI solutions, custom software, full-stack development, SaaS, business automation, APIs, web applications, data and analytics, cloud solutions, and system integration.

AI

Artificial Intelligence — intelligent features, automation, and model-backed product workflows.

SoftBridge

Software + Bridge: connecting business needs with modern software systems that actually ship.

Technologies

A technology-focused practice for building, integrating, and operating digital products.

09 / Freelance

Independent delivery

Long-running freelance practice with international clients. Profile URLs can be added when you share them.

Fiverr

Senior Full-Stack Developer

4.9 rating · 17 reviews

Custom web applications, SaaS, bug fixing, feature development, APIs, payment integrations, dashboards, CRM, booking and inventory systems, support systems, landing pages, and long-term maintenance.

Upwork

Full-Stack Software Developer

International client work

Full-stack and SaaS development, backend/API work, React/Next.js, Rails, Python, AI integrations, cloud deployment, and maintenance.

Have a project in mind? Let's build it.

Whether you need a SaaS platform, AI-powered application, business automation system, API, or custom web application, let's discuss your requirements.

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