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Hi, I’m Rehan Qasim, a full-stack software engineer based in Karachi, Pakistan. I thrive on taking products from zero to production and owning them through to measurable outcomes. I’ve led the development of multi-tenant SaaS platforms, replaced expensive external vendors with in-house solutions, and steered flagship redesigns that simplified navigation and set new internal standards. I enjoy collaborating across web, iOS, and Android teams, with strengths in architecture design, AI-powered features, and cross-functional execution. My work spans React, Node.js, Python, Ruby, and cloud-native stacks on AWS and Supabase, always aiming to ship reliable software that delivers real value.…Hi, I’m Rehan Qasim, a full-stack software engineer based in Karachi, Pakistan. I thrive on taking products from zero to production and owning them through to measurable outcomes. I’ve led the development of multi-tenant SaaS platforms, replaced expensive external vendors with in-house solutions, and steered flagship redesigns that simplified navigation and set new internal standards. I enjoy collaborating across web, iOS, and Android teams, with strengths in architecture design, AI-powered features, and cross-functional execution. My work spans React, Node.js, Python, Ruby, and cloud-native stacks on AWS and Supabase, always aiming to ship reliable software that delivers real value.

Rehan Qasim

App Developer, Front-End Developer, Back-End Developer, +3

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Hi, I’m Rehan Qasim, a full-stack software engineer based in Karachi, Pakistan. I thrive on taking products from zero to production and owning them through to measurable outcomes. I’ve led the development of multi-tenant SaaS platforms, replaced expensive external vendors with in-house solutions, and steered flagship redesigns that simplified navigation and set new internal standards. I enjoy collaborating across web, iOS, and Android teams, with strengths in architecture design, AI-powered features, and cross-functional execution. My work spans React, Node.js, Python, Ruby, and cloud-native stacks on AWS and Supabase, always aiming to ship reliable software that delivers real value.…Hi, I’m Rehan Qasim, a full-stack software engineer based in Karachi, Pakistan. I thrive on taking products from zero to production and owning them through to measurable outcomes. I’ve led the development of multi-tenant SaaS platforms, replaced expensive external vendors with in-house solutions, and steered flagship redesigns that simplified navigation and set new internal standards. I enjoy collaborating across web, iOS, and Android teams, with strengths in architecture design, AI-powered features, and cross-functional execution. My work spans React, Node.js, Python, Ruby, and cloud-native stacks on AWS and Supabase, always aiming to ship reliable software that delivers real value.

Available to hire

Hi, I’m Rehan Qasim, a full-stack software engineer based in Karachi, Pakistan. I thrive on taking products from zero to production and owning them through to measurable outcomes. I’ve led the development of multi-tenant SaaS platforms, replaced expensive external vendors with in-house solutions, and steered flagship redesigns that simplified navigation and set new internal standards.

I enjoy collaborating across web, iOS, and Android teams, with strengths in architecture design, AI-powered features, and cross-functional execution. My work spans React, Node.js, Python, Ruby, and cloud-native stacks on AWS and Supabase, always aiming to ship reliable software that delivers real value.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Urdu

Fluent

Arabic

Advanced

Work Experience

Founding Engineer at Wesam

March 1, 2026 - Present

Architected a multi-tenant foundation on Supabase/PostgreSQL with row-level security to ensure per-company data isolation; built a configurable Sales Target Engine with tiered goals and scoped payouts; developed an AI-powered Challenges Engine with personalized push notifications and real-time progress; created a modular Integration Hub syncing external ERPs (e.g., Odoo over XML-RPC) with encrypted credentials and auto-mapped fields; delivered an Expo/React Native employee app with RTL localization, OTP/SMS and email authentication, and analytics instrumentation.

Fullstack Software Engineer at CyberNut (Cloud Specialists)

October 1, 2025 - April 1, 2026

Helped the platform pass a security compliance audit by resolving vulnerabilities across multiple AWS CDK projects; built a real-time threat-reporting feature with a point-based reward system; led the architectural migration from serverless to microservices for threat-management, notification, and workspace services.

Fullstack Engineer at LinkOrbits

August 1, 2025 - January 1, 2026

Backend API with Express, Prisma, and PostgreSQL (JWT auth); integrated the Awin and Impact APIs; ETL service for scheduled program and transaction sync with incremental updates and soft deletes.

Software Engineer at actadorned.com

May 1, 2025 - July 1, 2025

Built an automated Python system to sync a Shopify store's inventory from supplier feeds via XML parsing, improving real-time inventory accuracy.

Mobile Engineer (React Native) at LookMera

May 1, 2025 - August 1, 2025

Cross-platform AI-powered style assistant with secure authentication, wardrobe management, and personalized outfit recommendations via image analysis.

Freelancer at Self Employed

May 1, 2025 - June 23, 2025

Building E-commerce store backend with Python Fast API for improved performance. Creating mobile apps using React Native for seamless user experience. Developing automated inventory sync for Shopify e-commerce store.

Full Stack Software Engineer at Right-Hand Cybersecurity

September 1, 2024 - April 30, 2025

Cybersecurity company focused on enhancing organizational resilience. Released new enhanced version of the Training product. Implemented a project to replace Rustici with custom in-house LMS SCORM module player. Developed API services using Node.js AWS Lambdas. Contributed to the main backend service built in Ruby on Rails. Added new components in the internal UI library.

Frontend Software Engineer at Right-Hand Cybersecurity

January 1, 2024 - August 31, 2024

Contributed to building a human risk management platform that helps organizations change behaviors and reduce risk. Collaborated with developers, designers, and product managers to create engaging web applications. Improved employee cyber resiliency and security awareness through user-friendly interfaces.

Junior Frontend Engineer at Right-Hand Cybersecurity

July 1, 2022 - December 31, 2023

Developed new user-facing features. Built reusable code and libraries for future use. Ensured the technical feasibility of UI/UX designs. Optimized application for maximum speed and scalability. Validated user input before submitting to back-end. Collaborated with other team members and stakeholders.

Software Engineer at Right-Hand Cybersecurity

April 1, 2022 - April 1, 2025

Eliminated recurring per-seat licensing costs by replacing a third-party SCORM vendor with a custom in-house LMS; built the React frontend and Node.js backend for real-time progress tracking serving thousands of concurrent users; led a flagship redesign that cut navigation complexity by 40%; integrated ChatGPT into security-awareness content workflows; extended the Ally mobile app for Android and iOS with a shared React Native codebase; contributed backend services in Node.js (AWS Lambda) and Ruby on Rails and enhanced the internal UI library.

Intern at Right-Hand Cybersecurity

April 1, 2022 - July 31, 2022

Developed and maintained landing pages for phishing awareness campaigns. Implemented Mixpanel tracking for user behavior analytics and conversion optimization.