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Ahmed Khan's avatar
Ahmed Khan
Lahore, Pakistan
Cybersecurity specialist with ability to identify flaws
New to Contra
Cybersecurity specialist with ability to identify flaws
Cover image for I simulated a real-world Active
I simulated a real-world Active Directory (AD) attack to identify and exploit misconfigurations within a Windows domain environment. The goal was to practice enumeration techniques, escalate privileges to domain admin, and establish persistent access. I started with LDAP enumeration using ldapsearch to map domain users and groups. Using BloodHound, I visualized attack paths and identified a Kerberoastable service account — a weak SPN tied to an outdated service. I extracted the hash using GetUserSPNs.py (http://GetUserSPNs.py) and cracked it with Hashcat, revealing the cleartext password. I then used Pass-the-Hash to authenticate as a domain admin using PsExec. To maintain persistence, I added a domain admin backdoor account using Mimikatz. Finally, I cleared event logs to avoid detection and exported a full attack report for remediation. Tools Used: ldapsearch, BloodHound, Hashcat, GetUserSPNs.py (http://GetUserSPNs.py), PsExec, Mimikatz, eventlog (for cleanup) Deliverable: Full attack timeline with screenshots, enumeration outputs, and security recommendations.
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Cover image for I conducted a complete web
I conducted a complete web application security assessment on Damn Vulnerable Web Application (DVWA) using manual and automated testing techniques. The goal was to identify and exploit OWASP Top 10 vulnerabilities. I mapped the application using Burp Suite and discovered multiple injection points. I exploited SQL Injection to bypass authentication and extract sensitive data from the database using sqlmap. I also tested for Cross-Site Scripting (XSS) with custom payloads and successfully hijacked session cookies using document.cookie injection. I chained a file upload vulnerability with a PHP reverse shell to gain remote access to the server. All findings were documented with proof-of-concept screenshots and step-by-step remediation guidance. Tools Used: Burp Suite, sqlmap, OWASP ZAP, curl, custom payloads Deliverable: A detailed report including vulnerability exploitation steps, proof-of-concept, and mitigation strategies.
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Cover image for I performed a complete network
I performed a complete network penetration test on a deliberately vulnerable Linux machine (Metasploitable2) to simulate a real-world attacker scenario. The objective was to identify exploitable services, gain initial access, escalate privileges to root, and extract sensitive data. I started with reconnaissance using nmap to discover open ports and services. I identified outdated and vulnerable services including vsftpd 2.3.4 and Samba 3.0.20. Using Metasploit, I exploited the vsftpd backdoor to gain initial shell access. I then used shell_to_meterpreter to upgrade my session to a Meterpreter shell, giving me greater control. I dumped password hashes from /etc/shadow and cracked them using John the Ripper. Finally, I escalated privileges to root using the Samba usermap_script exploit and documented the entire process with screenshots. Tools Used: nmap, Metasploit, Meterpreter, John the Ripper, searchsploit Deliverable: A comprehensive report including attack timeline, exploited CVEs, and remediation recommendations.
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Cover image for I discovered a stored cross-site
I discovered a stored cross-site scripting (XSS) vulnerability in a practice web application's comment section that allowed me to inject malicious JavaScript that would execute in any user's browser. By submitting a comment containing a script payload, I successfully stole session cookies from other users and could have hijacked their accounts, performed actions on their behalf, or defaced the website. This finding was documented in a comprehensive report including proof-of-concept screenshots showing cookie theft, CVSS risk scoring of 6.5 (Medium), and step-by-step remediation guidance including input sanitization and output encoding. This assessment demonstrates my ability to find client-side vulnerabilities that can compromise every user visiting the site.
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Docker(3)
Waleed Ashraf Usmani's avatar
Waleed Ashraf Usmani
Lahore, Pakistan
Fractional CTO | B2B SaaS & AI Architecture, US/UK Founders
5.0
Rating
4
Followers
Fractional CTO | B2B SaaS & AI Architecture, US/UK Founders
Cover image for Multi-Tenant Operations Suite
Multi-Tenant Operations Suite
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4
Cover image for HealthSync Care
HealthSync Care
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4
Cover image for Workforce & HR Operations Hub
Workforce & HR Operations Hub
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9
Cover image for AI Workflow Automation Suite
AI Workflow Automation Suite
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4
Docker(2)
Muhammad Luqman's avatar
Muhammad Luqman
proLahore, Pakistan
Helping Startups & SMBs to build Scalable, Impactful Product
6
Followers
Helping Startups & SMBs to build Scalable, Impactful Product
Cover image for Financial Accounting Assistant – SaaS Web Application
Financial Accounting Assistant – SaaS Web Application
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0
Cover image for QuoteSmith
QuoteSmith
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4
Cover image for Development of Healing Mosaic Emotional Well-being App
Development of Healing Mosaic Emotional Well-being App
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2
Cover image for YouTube Influencer Analytics & Automation Platform
YouTube Influencer Analytics & Automation Platform
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3
Docker(1)
Muzzammil Hussain's avatar
Muzzammil Hussain
Lahore, Pakistan
Full-Stack & AI Engineer · PropTech, Real Estate & B2B SaaS
9
Followers
Full-Stack & AI Engineer · PropTech, Real Estate & B2B SaaS
Cover image for DealLens AI. AI-Powered Valuation & Comps for Investors
DealLens AI. AI-Powered Valuation & Comps for Investors
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3
Cover image for Estatewise. Marketing Site & Brand System
Estatewise. Marketing Site & Brand System
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3
Cover image for Estatewise. Real Estate CRM with AI Follow-Ups
Estatewise. Real Estate CRM with AI Follow-Ups
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5
Cover image for OpsAgent. AI Workflow Gallery & Run Visualizer
OpsAgent. AI Workflow Gallery & Run Visualizer
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3
Docker(1)
Usama Zulfiqar's avatar
Usama Zulfiqar
Gujranwala, Pakistan
A senior full-stack developer and AI/ML specialist
A senior full-stack developer and AI/ML specialist
Cover image for VendorInvoiceHub (VIH) is an enterprise-grade
VendorInvoiceHub (VIH) is an enterprise-grade SaaS platform built to streamline vendor invoice acquisition, processing, and contract cost validation for retail chains and convenience store operators. The platform eliminates manual invoice reconciliation by automating invoice ingestion, extracting line-item data, and validating vendor pricing against negotiated contracts. This helps businesses detect overbilling, reduce operational overhead, and gain full transparency into vendor performance while managing multiple organizations within a secure multi-tenant environment. Designed for finance teams, store managers, and operations leaders, VendorInvoiceHub provides a centralized system to manage invoices, vendors, stores, and pricing agreements in one place. The platform supports high-volume invoice processing, AI-powered data extraction, and real-time analytics, allowing businesses to track compliance, identify cost discrepancies, and improve procurement decisions. With cloud-based deployment and scalable architecture, the solution supports enterprise-level workloads while maintaining performance and data isolation across tenants. The system includes automated invoice ingestion via file upload or integrations, AI-powered OCR extraction of invoice data, contract cost validation with variance detection, vendor and store management, proof-of-delivery reconciliation, real-time dashboards and analytics, role-based user access, multi-tenant configuration, exception reporting, Excel and PDF exports, background processing for large workloads, error tracking, and audit logging to ensure reliability and compliance. Built using React, TypeScript, Tailwind CSS, Material UI, Django, Django REST Framework, PostgreSQL, Redis, Celery, AWS S3, Docker, and cloud deployment . A scalable financial operations platform that helps retail businesses reduce vendor overbilling, automate invoice workflows, and gain real-time visibility into procurement and cost performance. #SaaS #EnterpriseSoftware #React #Django #FinTech #RetailTech #InvoiceAutomation #B2BSoftware #CloudApplications #MultiTenant #AIProcessing #BusinessAutomation
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Cover image for Twin Frontend (Lyona App) is
Twin Frontend (Lyona App) is a dual-platform conversational AI application designed to power both web and mobile experiences from a single shared codebase. Built with a modern monorepo architecture, the platform enables real-time AI conversations, voice interactions, and dynamic interface rendering, allowing businesses to deploy scalable conversational products quickly. The system addresses the challenge of building and maintaining separate applications by unifying business logic, UI behavior, and communication layers across platforms, reducing development time while ensuring consistent user experiences. The platform is built for organizations developing AI assistants, customer support tools, SaaS dashboards, or conversational applications that require real-time responsiveness and cross-device synchronization. Users can interact with AI through text or voice, while the interface dynamically adapts based on backend-driven UI configurations. With enterprise-grade performance, secure authentication, and real-time updates, the application supports scalable deployments and continuous feature expansion without rebuilding separate frontends. The application includes real-time AI chat with streaming responses, voice recording and playback for conversational interaction, dynamic UI rendering with dashboards, forms, tables, charts, and interactive components, cross-platform synchronization between web and mobile, push and in-app notifications, secure authentication and session handling, role-based access control, performance optimization with lazy loading and memoization, automatic reconnection and error handling, and shared state management ensuring consistent behavior across devices. Built using React, React Native, TypeScript, Tailwind CSS, Ant Design, Material UI, Redux Toolkit, Socket.IO (http://Socket.IO), Docker, Kubernetes, and modern CI/CD infrastructure. A scalable conversational AI foundation designed to accelerate development of real-time, cross-platform AI applications for enterprise and SaaS environments. #ConversationalAI #React #ReactNative #SaaSDevelopment #AIApplications #RealtimeApps #TypeScript #WebDevelopment #MobileDevelopment #EnterpriseSoftware #Monorepo #ReduxToolkit
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Cover image for Kua Sky is a niche
Kua Sky is a niche e-commerce brand built exclusively for the skydiving community, offering premium performance clothing and gear designed for athletes who demand both function and style in the air. The platform solves a real gap in the market skydiving apparel has historically been generic or limited by delivering sport-specific gear, from freefly jumpsuits to outerwear and accessories, all tailored to the demands of the sport and the identity of the athlete wearing it. What sets this project apart is the custom suit designer, a live interactive coloring application that lets customers design their own jumpsuit and visualize the final product in real time before placing an order. This eliminates purchase hesitation and dramatically improves buyer confidence for high-ticket items. The store also supports custom jersey and face shield orders, a curated catalog of in-stock and sublimated jumpsuits, free shipping incentives, international shipping, gift cards, and a brand ambassador program that drives community-led growth. The platform is built on WordPress with WooCommerce handling the full e-commerce experience, supported by a custom visual product configurator, wishlist functionality, and an integrated account and order management system. Kua Sky is a strong example of a vertical commerce build purpose-built for a passionate niche, with the kind of customization tooling and brand depth that turns first-time buyers into loyal community members. #ecommerce #woocommerce #wordpress #customproductdesigner #nicheecommerce #sportswear #outdoorapparel #skydiving #customclothing #visualconfigurator #brandbuilding #onlineshop #performancegear #webdevelopment #shopdesign
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Cover image for ExpenseMate is a full-stack personal
ExpenseMate is a full-stack personal finance and expense tracking application designed to help individuals manage all their finances in one place. The platform allows users to create multiple accounts, track income and expenses, monitor balances in real time, and visualize spending patterns through interactive dashboards. It solves the common problem of scattered financial tracking by bringing bank accounts, cash, investments, and loans into a single, organized system that is easy to use and accessible from anywhere. The application is built for everyday users, freelancers, and small business owners who need better visibility into their financial activity. With secure user authentication and isolated data, ExpenseMate provides a reliable way to monitor financial health, identify spending trends, and make informed decisions. The clean dashboard, responsive interface, and real-time calculations create a smooth experience while maintaining accuracy across accounts and transactions. Users can create multiple accounts with different currencies, track income and expenses, transfer funds between accounts, manage personal loans, and organize transactions using hierarchical categories. The platform includes advanced filtering, search, and CSV export capabilities, along with interactive charts showing monthly trends and category-based spending. Additional features include drill-down analytics, account balance tracking, dark and light themes, secure authentication, and a responsive data table for managing transactions efficiently. Built using Next.js, TypeScript, Tailwind CSS, shadcn/ui, Supabase, PostgreSQL, Zustand, TanStack Table, and Recharts. A scalable and user-friendly finance tracking solution designed to simplify money management and provide clear financial insights for real-world use. #NextJS #Fintech #ExpenseTracker #PersonalFinance #WebApplication #FullStackDevelopment #TypeScript #Supabase #DashboardDesign #SaaSDevelopment
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Docker(2)
Waseemullah Zahid's avatar
Waseemullah Zahid
Rawalpindi, Pakistan
AI & Full-Stack Engineer turning ideas into intelligent appl
New to Contra
AI & Full-Stack Engineer turning ideas into intelligent appl
Cover image for Voicera AI – AI-Powered Voice
Voicera AI – AI-Powered Voice Learning Platform Voicera AI is an intelligent educational platform that reimagines online learning through voice-first interactions. Inspired by Google Classroom but enhanced with conversational AI, Voicera enables students and educators to communicate naturally using voice, making learning more engaging, accessible, and interactive. Developed a full-stack AI-powered classroom platform with end-to-end voice integration. Enabled students to submit voice questions and receive AI-generated voice responses in real time. Integrated Speech-to-Text and Text-to-Speech technologies for seamless voice-based learning. Built AI tutoring capabilities that provide personalized explanations and instant academic support. Implemented classroom management, assignment tracking, announcements, and student progress monitoring. Designed for accessibility, allowing learners to interact with educational content through natural conversation rather than traditional text-based interfaces.
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Cover image for IntakeAI – AI-Powered Project Estimation
IntakeAI – AI-Powered Project Estimation & Workflow Analysis Platform IntakeAI is an intelligent project intake and estimation platform designed for automation agencies to streamline project scoping, workflow analysis, and pricing. The platform leverages AI to analyze complex n8n workflows, generate accurate cost estimates, and accelerate proposal creation while maintaining human oversight through a structured review process. Developed an AI-powered estimation engine that analyzes project requirements and n8n workflows to generate pricing and scope recommendations. Automated project intake, reducing manual effort in requirement analysis and proposal generation. Built a multi-user admin dashboard for review, approval, and collaboration across project stakeholders. Integrated MongoDB for scalable storage of projects, workflows, estimates, and review history. Implemented human-in-the-loop validation to ensure accuracy and quality before final client delivery. Streamlined workflow assessment and pricing operations, enabling faster turnaround times and improved estimation consistency.
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Cover image for ComparePro AI – AI Tool
ComparePro AI – AI Tool Discovery & Comparison Platform ComparePro AI is an intelligent platform that helps users discover, evaluate, and compare AI tools based on their specific needs. By understanding natural language queries, the platform recommends the most suitable AI solutions and provides detailed side-by-side comparisons to support faster decision-making. Built an AI-powered recommendation engine that suggests relevant AI tools from user queries. Developed intelligent matching algorithms to identify tools based on use case, features, pricing, and capabilities. Implemented side-by-side comparison functionality for informed tool selection. Enabled users to discover alternatives to popular AI products across multiple categories. Created a scalable database of AI tools with automated categorization and filtering. Designed a modern full-stack application focused on simplifying AI tool research and adoption
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Cover image for Shopify Theme Converter AI AI-powered platform
Shopify Theme Converter AI AI-powered platform that transforms existing websites into production-ready Shopify themes and templates. Automated website structure, styling, and component extraction for Shopify compatibility. Converts frontend layouts into reusable Shopify sections and Liquid templates. Reduces manual theme development time by generating Shopify-ready code with AI-assisted workflows. Supports rapid migration from custom websites to scalable e-commerce storefronts. For a more startup-style description: Built an AI-powered Shopify Theme Converter that analyzes any website and automatically generates a Shopify-compatible theme, enabling businesses to migrate to Shopify in minutes instead of weeks. 🚀
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Docker(1)
Arham Malik's avatar
Arham Malik
Rawalpindi, Pakistan
Backend & AI engineer who ships systems fast and scale.
New to Contra
Backend & AI engineer who ships systems fast and scale.
Cover image for Imagine having over 100 different
Imagine having over 100 different data sources all over the place. That was the problem Apex Analytics solved. I built this big data platform on Google Cloud using BigQuery and ETL pipelines that clean, transform, and unify everything. The frontend is React based, so stakeholders can see real time KPIs without waiting forever. Queries come back in under a second even with millions of records. It felt like solving a giant puzzle, but the result was a super reliable analytics hub that the entire company trusted. For more details, please visit: https://arham-nexus.vercel.app/work/apexanalytics
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Cover image for This is a classic enterprise
This is a classic enterprise academic portal, but built solid. It uses  Web Forms, ASP.NET, C#, and SQL Server. The main challenge was role based access control because you have admins, faculty, TAs, and lab demonstrators all needing different permissions. I designed a three tier architecture with stored procedures and optimistic concurrency control so data doesn’t get messed up when people edit at the same time. Over 200 users per semester use it for task assignments and progress tracking. It’s not flashy, but it works perfectly. For more details, please visit: https://arham-nexus.vercel.app/work/talabportal
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Cover image for Skill Swap is a peer
Skill Swap is a peer to peer learning platform where you can be both a student and a teacher. I built the backend with Java Spring Boot, real time chat with WebSockets, and video calls with WebRTC. The matching algorithm finds people based on skills, ratings, and availability. You can switch roles anytime. It also has a trust based review system so fake reviews don’t ruin it. This was an MVP, but it proved that real time learning communities can work really well. For more details, please visit: https://arham-nexus.vercel.app/work/skillswap
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Cover image for This is a native Android
This is a native Android app I built with Kotlin and Firebase. It connects tourists with verified local guides in real time. You open the app, see nearby guides, book a tour, and then you can track each other’s location live using Google Maps. I also added offline support because travel doesn’t always have perfect internet. Over 100 active users ended up using it,during the MVP. The best part? Battery usage was optimized so your phone doesn’t die halfway through the day. Really proud of how smooth it turned out. For more details, please visit: https://arham-nexus.vercel.app/work/raaheraast
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Docker(1)