Freelance Backend Engineers in Karachi

Freelance Backend Engineers in KarachiFreelance Backend Engineers in Karachi

Projects People

Muhammad Hassan

proKarachi, Pakistan

Full-Stack & AI Developer | Next.js, AI Agents

$50k+: Earned

12x: Hired

5.0: Rating

203: Followers

Full-Stack & AI Developer | Next.js, AI Agents

Cover image for Ecommerce Gadget Selling Website

Ecommerce Gadget Selling Website

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95

Cover image for Frontend Lead & AI Developer @ Chronicler Labs

Frontend Lead & AI Developer @ Chronicler Labs

1

198

Cover image for Rebuilding NestLink's Real Estate SaaS Platform

Rebuilding NestLink's Real Estate SaaS Platform

1

57

Cover image for Prsoo: Concept to Launch in 4 Weeks

Prsoo: Concept to Launch in 4 Weeks

0

42

Backend Engineer(1)

proKarachi, Pakistan

Full Stack Engineer | MVPs Shipped in 2 Weeks

$25k+: Earned

7x: Hired

5.0: Rating

38: Followers

Full Stack Engineer | MVPs Shipped in 2 Weeks

Cover image for Another MVP shipped. 🚀
This time,

Another MVP shipped. 🚀 This time, it's an AI-powered hiring platform designed to help companies identify and engage the right talent more effectively. One thing I've learned after building products for different founders is that every "simple idea" hides dozens of product decisions behind the scenes. That's the part I enjoy the most. On to the next build.

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63

Cover image for LiveBazaar - Live Ecommerce Platform

LiveBazaar - Live Ecommerce Platform

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10

Cover image for We just shipped our new

We just shipped our new website of Sliding Scale Technologies. We tried a new way t show our user testimonials which included videos and written reviews as well

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7

640

Cover image for Traced - Tenant Advocacy Platform

Traced - Tenant Advocacy Platform

3

19

Backend Engineer(12)

Karachi, Pakistan

Innovative Solution-Driven Developer

$1k+: Earned

1x: Hired

4.9: Rating

1: Followers

Innovative Solution-Driven Developer

Cover image for TMBR | Portal

1

56

Cover image for Afkar | Framer Project

Afkar | Framer Project

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13

Cover image for Getz Pharma | Gastro Guru

Getz Pharma | Gastro Guru

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20

Cover image for Synage Global | HRM

Synage Global | HRM

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15

Backend Engineer(8)

proKarachi, Pakistan

AI Engineer & Full Stack Dev — Chatbots & Web Apps

9: Followers

AI Engineer & Full Stack Dev — Chatbots & Web Apps

Cover image for Stabilizing and Scaling a Job Marketplace Platform

Stabilizing and Scaling a Job Marketplace Platform

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11

Cover image for Amazon Product Upload Automation Using SP API

Amazon Product Upload Automation Using SP API

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8

Cover image for Responsive Medical Website Powered by Next.js & Sanity

Responsive Medical Website Powered by Next.js & Sanity

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7

Cover image for I just built an automated Amazon product upload system using...

I just built an automated Amazon product upload system using SP API for Vendor & Seller accounts. Designed the backend (Laravel/FastAPI), added async jobs, AWS auth, and feed tracking. Reduced manual work by 90% with faster, reliable uploads. Tech: SP API, AWS, MySQL.

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2

190

Backend Engineer(4)

Karachi, Pakistan

Backend Development & API Design (Laravel / API Expert)

18: Followers

Backend Development & API Design (Laravel / API Expert)

Cover image for Modern Event Management App promotional

Modern Event Management App promotional cover design for mobile and web platforms. The design showcases an all-in-one event planning system for Birthday Parties, Baby Showers, Weddings, Corporate Events, and more. It features elegant UI mockups of both mobile app and web dashboard built with Laravel and MySQL. The poster highlights premium features including Stripe payment integration, in-app purchases, Firebase push notifications, venue and vendor management, guest tracking, secure online bookings, and real-time event updates. The overall style is modern, vibrant, luxurious, and festive with balloons, confetti, soft gradients, celebration elements, and clean typography.

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133

Cover image for Mind Melodies is a modern

Mind Melodies is a modern music therapy platform designed to help people reduce anxiety, depression, and daily stress through calming audio experiences. The application is available on both mobile and web platforms, offering users a seamless and relaxing experience anywhere, anytime. The platform includes personalized therapy music, meditation tracks, sleep sounds, mood-based playlists, and stress-relief audio sessions to support mental wellness and emotional balance. Users can explore soothing content specially curated to improve focus, relaxation, sleep quality, and peace of mind. The system is built using Laravel with MySQL for a secure and scalable backend infrastructure. Stripe integration is implemented for secure subscription payments on the website, while In-App Purchases are available for mobile users. Firebase Cloud Messaging is integrated for real-time push notifications and user engagement. Key Features: • Anxiety, depression, and stress relief music • Meditation and sleep therapy sounds • Personalized playlists and favorites • Cross-platform web and mobile experience • Secure Stripe payment integration • In-App Purchase support • Firebase push notifications • Modern, fast, and scalable architecture Mind Melodies combines technology and wellness to create a peaceful digital environment where music becomes a source of healing and relaxation.

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193

Cover image for Event Management
Manage Events, Create Experiences
A

Event Management Manage Events, Create Experiences A powerful event management platform to plan, organize, and manage events seamlessly across Web & Mobile applications. This system allows organizers to create events, sell tickets online, manage attendees, and track performance — all in one place with secure payments powered by Stripe. Event Management Create, update, and manage multiple events Event categories (Music, Business, Sports, etc.) Schedule date, time, and venue 🎟️ Ticket Booking System Online ticket purchase Multiple ticket types (VIP, Standard) QR / Booking confirmation 👥 Attendee Management User registration & profiles Attendee tracking Check-in system 💳 Payment Integration Secure payments using Stripe Payment confirmation & history Refund management 📊 Analytics & Reports Sales reports Attendee insights Revenue tracking Admin Panel Features Manage events, bookings, users Dashboard with statistics Reports & analytics Role-based access control User Side Features Browse events Book tickets View booking history Receive notifications Tech Stack Laravel – Backend Development MySQL – Database Management Stripe – Payment Gateway REST APIs – Mobile & Web Integration Key Highlights Secure & Scalable System Real-time Data Handling Responsive Web + Mobile App Easy-to-use Interface

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196

Cover image for Smart Shopping, Better Everyday
A complete

Smart Shopping, Better Everyday A complete eCommerce platform built with modern technologies to deliver a seamless shopping experience across Web & Mobile.

2

1

267

Backend Engineer(6)

Karachi, Pakistan

Full Stack Developer | PHP, MySQL & JavaScript

Full Stack Developer | PHP, MySQL & JavaScript

Cover image for 🚀 Excited to Share a

🚀 Excited to Share a New Milestone! This Monday, I'll be presenting the 3rd Review of WinClient AI, the project I'm building for the Aptech Vision Competition 2026. 🎯 WinClient AI is an AI-powered platform built to help freelancers and agencies work smarter, save time, and win more clients by automating the most important parts of their freelance workflow. 🔥 Core Features of WinClient AI ✅ AI Proposal Generator – Generate personalized, high-converting proposals in seconds. ✅ Profile Analyzer & Optimizer – Improve your Upwork and Fiverr profiles with AI-powered recommendations. ✅ Real-Time Upwork Job Alerts – Instantly receive relevant job opportunities based on your skills. ✅ Smart Job Match – AI analyzes your profile and recommends whether you should apply for a job or skip it. ✅ Gig & Catalog Optimizer – Optimize Fiverr Gigs and Upwork Catalogs for better visibility. ✅ AI Bid Strategy – Paste a job URL and get the recommended bid amount, connects to use, and winning strategy. ✅ Fake Job Detector – Identify low-quality or suspicious job posts before wasting your connects. ✅ AI Content Manager – Get content ideas, social media post suggestions, and discover the latest trends in your industry. Every review helps me improve this platform and brings me one step closer to creating a powerful AI solution for freelancers around the world. I'm continuously learning, building, testing, and refining WinClient AI based on real freelance workflows. Your feedback and support mean a lot. 💙 If you're a freelancer, agency owner, or AI enthusiast, I'd love to hear your thoughts in the comments!

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56

Cover image for 🚀 Building WinClient AI —

🚀 Building WinClient AI — My Journey Every freelancer knows that finding the right projects, writing proposals, and managing clients can take a lot of time. That's why I'm building WinClient AI — an AI-powered platform designed to help freelancers work smarter, save time, and grow their business. Current Features: ✅ AI-Powered Upwork Profile Optimization ✅ Fiverr Profile & Gig Optimization ✅ Real-Time Upwork Job Alerts ✅ AI Job Match Analysis ✅ Business & Client Management ✅ Secure Admin Dashboard Coming Soon 🚀 Auto Bid System This project is helping me improve my skills in Full Stack Web Development, backend architecture, database design, and building AI-powered business applications. Tech Stack 💻 PHP 🗄️ MySQL ⚡ JavaScript 🎨 HTML5 & CSS3 🧩 Bootstrap I'm continuously learning, building, and improving. The live demo will be available after deployment, and I'll share it once it's ready. I'd love to hear your feedback and suggestions! If you were a freelancer, which feature would help you the most: AI Job Matching, Profile Optimization, or Auto Bid? Let me know in the comments!

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Cover image for Courier Management System – Full

Courier Management System – Full Stack PHP & MySQL Web Application I designed and developed a complete Courier Management System to simplify shipment management, parcel tracking, and delivery operations. The system provides a secure and user-friendly experience through role-based access for administrators, staff, agents, delivery personnel, and customers. Key Features 📦 Shipment & Parcel Management 🚚 Real-Time Courier Tracking 👥 Role-Based User Management 🔐 Secure Authentication & Email Verification 📊 Admin Dashboard & Reports 📝 Customer Registration & Order Management 📱 Responsive Design for All Devices Tech Stack PHP MySQL JavaScript HTML5 CSS3 Bootstrap jQuery My Role I independently designed the user interface, developed the backend, integrated the MySQL database, implemented authentication, and built the complete business workflow for courier management. This project demonstrates my ability to build secure, scalable, and business-focused web applications using modern full-stack web development technologies.

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36

Cover image for WinClient AI – AI-Powered Freelancing

WinClient AI – AI-Powered Freelancing Assistant WinClient AI is a full-stack web application designed to help freelancers work smarter, find better opportunities, and manage their business from one powerful platform. The platform combines AI-powered tools with business management features to simplify the freelancing workflow. It helps users discover relevant jobs, optimize their profiles, analyze job opportunities, and manage projects more efficiently through a modern and intuitive dashboard. Key Features 🤖 AI-powered Upwork Profile Optimization 🎯 Fiverr Profile & Gig Optimization 📢 Real-Time Upwork Job Alerts 📊 AI Job Match Analysis 👨‍💼 Complete Admin Dashboard 📁 Business & Client Management 📈 Project & Proposal Management 🔐 Secure User Authentication ⚡ Auto Bid System (Currently in Development) Tech Stack PHP MySQL JavaScript HTML5 CSS3 Bootstrap jQuery My Role I independently designed and developed the complete application, including the user interface, backend logic, database architecture, authentication system, admin dashboard, and AI-powered workflow features. 🚀 This project is currently under active development. A live demo will be available soon, and I will provide the hosted project link once deployment is completed.

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32

Backend Engineer(3)

Nawaz Ur Rehman

Karachi, Pakistan

Fullstack Engineer | Web3, Blockchain & AI Developer

New to Contra

Fullstack Engineer | Web3, Blockchain & AI Developer

Cover image for Realtor.com (http://Realtor.com) – Real Estate

Realtor.com (http://Realtor.com) – Real Estate Marketplace Platform Overview Realtor.com (http://Realtor.com) is one of the largest online real estate marketplaces, helping millions of users search for homes, apartments, rentals, and real estate services across the United States. The platform provides property listings, market insights, mortgage tools, and agent connections for buyers, sellers, and renters. My Role Full-Stack Developer Responsibilities • Frontend development and responsive UI implementation • Property search and filtering experiences • Real estate listing presentation • API integrations and data management • Performance optimization • Mobile responsiveness • User experience enhancements • Interactive map and location-based features Key Features ✓ Property search and discovery ✓ Advanced filtering system ✓ Interactive map search ✓ Property detail pages ✓ User authentication ✓ Saved searches and favorites ✓ Agent contact workflows ✓ Mortgage and home-buying tools ✓ Responsive web experience Challenges Solved Handling large volumes of property listings Optimizing search performance Improving property discovery workflows Creating mobile-first user experiences Delivering scalable and maintainable frontend architecture Technologies React.js • Next.js • TypeScript • JavaScript • Node.js • REST APIs • GraphQL • Google Maps API • Responsive Design Results Improved property discovery experience Faster search and filtering performance Enhanced mobile engagement Better lead generation workflows Scalable real estate platform architecture Project URL https://www.realtor.com

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26

Cover image for TeacherTube – Educational Video Platform
Overview
Contributed

TeacherTube – Educational Video Platform Overview Contributed to the development and enhancement of TeacherTube, an educational video platform that helps students, teachers, and schools discover and consume learning-focused video content across subjects such as Math, Science, History, Language Arts, and Educational Songs. My Role Full-Stack Developer Responsibilities Developed responsive user interfaces for content discovery and navigation. Improved video browsing and category-based filtering. Enhanced search functionality for educational content. Optimized platform performance and user experience. Implemented responsive layouts for desktop and mobile devices. Integrated APIs and supported content management workflows. Key Features Educational video streaming Subject-based categorization Search and filtering system User authentication Content management Responsive design Mobile-friendly experience Results Improved content discoverability Better user engagement and navigation Enhanced performance across devices Scalable and maintainable codebase Technologies React.js, JavaScript, TypeScript, Node.js, REST APIs, HTML, CSS, Responsive Design Project Link https://www.teachertube.com

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Cover image for Enterprise AI Agent & Workflow

Enterprise AI Agent & Workflow Automation Platform Overview Designed and developed an AI-powered automation platform that helps businesses streamline operations through intelligent agents, workflow automation, and AI-driven decision-making. The solution enables teams to automate repetitive tasks, process large volumes of data, retrieve knowledge from documents, and integrate AI directly into business workflows. What I Built Custom AI agents powered by OpenAI and LLM technologies Workflow automation systems for business operations RAG (Retrieval-Augmented Generation) pipelines Document intelligence and knowledge retrieval AI-powered reporting and data processing API integrations with third-party business tools Agent monitoring and execution dashboards Scalable backend architecture for AI services Key Features ✓ Autonomous AI Agents ✓ Business Process Automation ✓ Document Q&A Systems ✓ Knowledge Base Search ✓ Multi-Step Workflow Execution ✓ Vector Database Integration ✓ Analytics & Monitoring ✓ Secure API Integrations Technologies Used OpenAI, LangChain, Python, FastAPI, Pinecone, ChromaDB, PostgreSQL, React.js, Next.js, TypeScript, REST APIs Results Reduced manual workload through automation Improved operational efficiency Faster access to business knowledge Streamlined internal workflows Enhanced decision-making with AI-powered insights Services Demonstrated AI Agent Development • RAG Systems • Workflow Automation • OpenAI Integration • Enterprise AI Solutions • Custom AI Applications Project Link https://beam.ai/

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Cover image for At BlockSynk Technology, we design

At BlockSynk Technology, we design and develop enterprise-grade cryptocurrency exchange platforms — end-to-end, from smart contracts to polished mobile & web interfaces. This project showcases our capability to build platforms similar to Bitrue — a complete crypto ecosystem covering spot trading, futures, staking, copy trading, DeFi lending, and token launchpads. ────────────────────────────── 🔷 WHAT WE BUILD ────────────────────────────── 💱 Spot & Futures Trading Engine High-performance trading interfaces with real-time order books, candlestick charts, market/limit/stop orders, and USDT, COIN-M & USDC-margined futures — all powered by WebSocket for zero-lag execution. 📊 Copy Trading System Social trading infrastructure where users can follow top traders, automatically mirror positions, and share in profits — with full performance dashboards and risk controls. 🏦 DeFi Earn & Staking Flexible staking pools, Power Piggy-style yield products, BTR lockup mechanisms, and auto-invest bots delivering competitive APR across multiple tokens. 💳 Crypto Loans Crypto-backed lending system where users pledge collateral (BTC, ETH, XRP) to borrow stablecoins — with liquidation engines, interest calculation, and real-time LTV monitoring. 🚀 Token Launchpad IDO/IEO launchpad for new token listings with whitelist management, vesting schedules, distribution contracts, and fair launch mechanics. 🖼 NFT & Alpha Trading Integrated NFT marketplace and Alpha trading interface giving users direct Web3 access from within the exchange — wallet connect, minting, and secondary market trading. 🤖 AI-Powered Analytics Machine learning models for price prediction, sentiment analysis, smart portfolio rebalancing suggestions, and AI-driven copy trading performance scoring. 📱 Mobile App (iOS & Android) Full-featured React Native mobile app with biometric login, real-time push notifications, portfolio tracking, one-tap trading, and seamless wallet integration. ────────────────────────────── ⚙️ TECH STACK ────────────────────────────── Frontend: React.js / Next.js, React Native (Mobile), Flutter Backend: Node.js, Python, FastAPI, WebSocket, Redis Blockchain: Solidity, Ethers.js, Web3.js, Hardhat, EVM Chains Database: PostgreSQL, MongoDB, Redis (caching) AI/ML: Python, TensorFlow, OpenAI API, LangChain Infrastructure: AWS, Docker, Kubernetes, CI/CD, Nginx Security: JWT, 2FA, biometric auth, smart contract audits ────────────────────────────── 💰 SERVICES & PRICING ────────────────────────────── ✅ Full Exchange Platform Build → Custom Quote (from $15,000) ✅ Trading Engine Only → From $5,000 ✅ Smart Contracts & DeFi → From $3,000 ✅ Mobile App (iOS + Android) → From $3,000 ✅ AI Integration & Analytics → From $2,000 ✅ Individual Features/Modules → $25–$50/hr ────────────────────────────── 📬 CONTACT ────────────────────────────── 👤 Nawaz Ur Rehman 🏢 BlockSynk Technology 💼 Available for full builds, modules, or ongoing development 📩 Open to discuss your project scope today

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Backend Engineer(2)

Karachi, Pakistan

Dot Net Developer | GHL & Conversion Expert

5.0: Rating

1: Followers

Dot Net Developer | GHL & Conversion Expert

Cover image for Custom CRM Solution Using GoHighLevel

Custom CRM Solution Using GoHighLevel

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2

Cover image for GAds Up - YouTube Monetization & Analytics Tracker

GAds Up - YouTube Monetization & Analytics Tracker

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2

Cover image for Enhanced Attendance Marking System

Enhanced Attendance Marking System

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5

Cover image for IoT Based Machine Monitoring System

IoT Based Machine Monitoring System

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2

Backend Engineer(2)