Next availability:
April 1, 2026
Full Stack Engineer with 6+ years of experience building and scaling high-performance web applications using NestJS, ExpressJS, .Net and Next.js (React). Strong expertise in both backend architecture and frontend development, delivering end-to-end product features including dashboards, checkout flows, and internal systems. Proven experience in e-commerce systems, billing, pricing logic, and payment integrations (Stripe, Chargebee). Skilled in PostgreSQL, MongoDB, Prisma ORM, and CI/CD pipelines, with a strong focus on performance, scalability, and clean user experiences in fast-paced product environments.
Skills
Language
English
Fluent
Work Experience
Senior Fullstack Engineer at Paradox Group
March 1, 2022 - PresentArchitected and developed a high-performance SaaS platform using NestJS, scaling to 6,000+ active monthly users with 99.9% availability. Integrated OpenAI, RecAll and Gladia APIs to automate meeting summarization and quiz generation, increasing user engagement with course content by 30%. Developed LangChain-based pipelines to convert video transcripts into structured PDFs and auto-generated quizzes, improving learner completion time by ~13%. Optimized database queries and implemented Redis caching, reducing API latency by 35%. Led refactoring of legacy microservices into a modular monolith, reducing infrastructure costs by 20% and simplifying debugging. Designed automated CI/CD pipelines with GitHub Actions and Docker, cutting deployment time from hours to minutes. Implemented webhook-based integrations for real-time notifications and data synchronization, improving system reliability by 25%. Implemented Redis caching for frequently accessed data, reducing page load times by up to 40%.
Backend Developer at TAWK
September 1, 2021 - February 1, 2022Developed and optimized high-throughput APIs using Node.js and MongoDB to support real-time chatbot interactions for thousands of users. Designed real-time messaging with MongoDB Change Streams and WebSockets; built event-driven microservices with Kafka and Google Pub/Sub; improved API security and performance with rate limiting and caching; wrote unit and integration tests with Mocha, Should.js, and Sinon; documented with JSDoc; collaborated with frontend to expose new endpoints with clear docs using Dapperdox; maintained Confluence documentation and Jira tickets.
Software Engineer at Invotyx Islamabad
November 1, 2020 - June 1, 2021Architected a subscription-based content platform enabling monetization for educators via tiered access controls. Developed modular backend services in NestJS (TypeScript) with PostgreSQL; integrated Stripe and Stripe Connect Billing for recurring payments, coupons, and refunds. Built a real-time notification service using Socket.io and established CI/CD pipelines with GitHub Actions; deployed to AWS EC2; emphasized unit testing with Jest; followed conventional commits, JSDoc, and changelog automation.
Full Stack Developer at BeVeg International
January 1, 2018 - September 1, 2020Led the digital transformation of certification workflows by replacing manual processes with a Node.js automation system. Built modular backend services in NestJS (TypeScript) with PostgreSQL; integrated Stripe payments; implemented real-time notifications via Socket.io; established CI/CD with GitHub Actions; deployed to AWS EC2; enforced code quality with Jest tests; used conventional commits, JSDoc, and changelog automation; contributed to frontend with React and React Native to support enterprise apps.
Full Stack Developer (Freelance) at Freelance (Remote)
January 1, 2016 - January 1, 2020Developed custom backend solutions for multiple clients, including API development, authentication systems, and workflow automation tools. Built AWS Lambda functions to automate cloud operations and backend workflows; created web scrapers for large-scale data processing; designed applications with Next.js and Node.js, integrating dynamic content and server-side rendering for performance optimization. Integrated Zoho CRM APIs, HubSpot APIs, and Stripe payments for e-commerce projects.
Senior Full Stack Engineer at Paradox Group
March 1, 2022 - PresentDeveloped and maintained full-stack SaaS applications using NestJS, ExpressJS, and Next.js; built responsive dashboards and self-service portals; designed scalable backend APIs with 6000+ monthly users; implemented e-commerce logic (subscriptions, pricing, coupons, discounts, refunds, invoicing) using Stripe and Chargebee; generated PDFs with Puppeteer; optimized performance with Redis caching; improved page load times; led CI/CD with GitHub Actions and Docker; owned feature lifecycle from requirements gathering to production deployment.
Software Engineer at Invotyx
November 1, 2020 - June 1, 2021Built backend APIs and frontend interfaces for a real-time subscription platform; implemented pricing models, billing logic, and lifecycle management; integrated Stripe and other payment workflows; established continuous deployment and ensured end-to-end feature delivery.
Freelance Full Stack Developer at Self-Employed
January 1, 2016 - January 1, 2020Delivered full-stack web applications using React/Next.js and Node.js; built e-commerce integrations with Stripe and CRM systems; implemented backend automation workflows and API integrations; delivered client-facing UIs and backend systems as complete solutions.
Education
Bachelor of Software Engineering at COMSATS University Islamabad
September 1, 2014 - January 1, 2018Qualifications
Industry Experience
Software & Internet, Retail, Professional Services
Skills
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