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Hi, I'm Muhammad Zulqarnain, a Senior Full Stack Engineer based in Helsinki with a passion for building reliable, scalable software. I enjoy designing systems that handle real-time collaboration, robust authentication, and smooth user experiences. My strengths include Node.js, TypeScript, Web Sockets, React, and building backend services at scale, always keeping reliability, security, and performance in focus.\n\nI've led end-to-end product development across remote and on-site teams, shipping features for SaaS platforms, optimizing release velocity, and mentoring teammates. I'm excited to bring pragmatic, product-minded engineering to create delightful, secure software that users love.…Hi, I'm Muhammad Zulqarnain, a Senior Full Stack Engineer based in Helsinki with a passion for building reliable, scalable software. I enjoy designing systems that handle real-time collaboration, robust authentication, and smooth user experiences. My strengths include Node.js, TypeScript, Web Sockets, React, and building backend services at scale, always keeping reliability, security, and performance in focus.\n\nI've led end-to-end product development across remote and on-site teams, shipping features for SaaS platforms, optimizing release velocity, and mentoring teammates. I'm excited to bring pragmatic, product-minded engineering to create delightful, secure software that users love.

Muhammad Zulqarnain

Full Stack Developer, Back-End Developer, Front-End Developer, +3

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Hi, I'm Muhammad Zulqarnain, a Senior Full Stack Engineer based in Helsinki with a passion for building reliable, scalable software. I enjoy designing systems that handle real-time collaboration, robust authentication, and smooth user experiences. My strengths include Node.js, TypeScript, Web Sockets, React, and building backend services at scale, always keeping reliability, security, and performance in focus.\n\nI've led end-to-end product development across remote and on-site teams, shipping features for SaaS platforms, optimizing release velocity, and mentoring teammates. I'm excited to bring pragmatic, product-minded engineering to create delightful, secure software that users love.…Hi, I'm Muhammad Zulqarnain, a Senior Full Stack Engineer based in Helsinki with a passion for building reliable, scalable software. I enjoy designing systems that handle real-time collaboration, robust authentication, and smooth user experiences. My strengths include Node.js, TypeScript, Web Sockets, React, and building backend services at scale, always keeping reliability, security, and performance in focus.\n\nI've led end-to-end product development across remote and on-site teams, shipping features for SaaS platforms, optimizing release velocity, and mentoring teammates. I'm excited to bring pragmatic, product-minded engineering to create delightful, secure software that users love.

Available to hire

Hi, I’m Muhammad Zulqarnain, a Senior Full Stack Engineer based in Helsinki with a passion for building reliable, scalable software. I enjoy designing systems that handle real-time collaboration, robust authentication, and smooth user experiences. My strengths include Node.js, TypeScript, Web Sockets, React, and building backend services at scale, always keeping reliability, security, and performance in focus.\n\nI’ve led end-to-end product development across remote and on-site teams, shipping features for SaaS platforms, optimizing release velocity, and mentoring teammates. I’m excited to bring pragmatic, product-minded engineering to create delightful, secure software that users love.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full Stack Developer at Quran Foundation

January 20, 2024 - Present

Shipping performance-critical features for platforms serving 50M+ global users; directly improving retention and accessibility. Reduced average page load time by ~25% by optimizing Next.js SSR, component rendering, and asset delivery.

Full Stack Developer at Dev Crew IO

March 20, 2023 - April 2, 2024

Built and scaled real-time collaboration platform using MERN stack and Socket.IO, supporting live chat, tasks, and analytics workflows. End-to-end feature development (backend APIs → React frontend) and improved release velocity and system reliability.

Sr. Software Engineer at Odyssey Solutions

October 1, 2022 - March 1, 2023

Led development of multiple SaaS products using MERN stack, reducing delivery times by ~30%. Implemented reusable architecture and internal libraries saving 100+ engineering hours per year.

Sr. Software Engineer at Cloudpacer

January 1, 2020 - September 30, 2022

Delivered full-stack features for US clients, increasing feature delivery speed by ~25%. Improved security posture by implementing authentication standards and structured code reviews.

Associate Software Engineer (Intern) at DIT GCU Lab

June 1, 2018 - November 20, 2019

Built React + Node.js applications for student portals, improving usability by ~40%. Implemented secure authentication workflows and integrated production-grade UI components.

Full Stack Developer (Remote) at Quran Foundation

January 1, 2024 - Present

Shipped performance-critical features for platforms serving 50M+ global users, directly improving retention and accessibility.

Full Stack Developer at DevCrew IO

March 1, 2023 - April 1, 2024

Owned end-to-end features from backend APIs to React frontend; improved release velocity and system reliability.

Associate Software Engineer (Intern) at DIT GCU Lahore

June 1, 2018 - November 1, 2019

Built React + Node.js applications for student portals, improving usability by ~40%.