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zlabdev

Muhammad Zubair

@zlabdev

Full Stack Developer Fixing and Securing AI Generated Apps

Pakistan
Anglais
Certaines informations sont présentées en anglais.
À propos de moi
I build complete web and mobile applications and solve complex issues in existing projects. My stack includes Next.js, React, React Native, TypeScript, Node.js, Supabase, Firebase, PostgreSQL, MongoDB, Stripe, REST APIs, Docker, Vercel, Cloudflare, and Shopify. I work on SaaS platforms, marketplaces, PWAs, dashboards, subscriptions, payment systems, AI features, third-party integrations, deployment, and application modernization.... Plus d’infos

Compétences

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zlabdev
Muhammad Zubair
hors ligne • 

Voir mes services

Déploiements et DevOps
I will add a real backend to your lovable, bolt, or replit app
De60 $US / projetPlus de détails
Résolution des problèmes et améliorations
I will add stripe or lemon squeezy payments to your lovable or bolt app
De30 $US / projetPlus de détails

Portfolio

Expérience professionnelle

Full-Stack Developer

Vault99 • Temps plein

Jan 2023 - Present • 3 yrs 9 mos

Full-Stack Developer at VaultsPay (Dubai-based fintech payment platform). Built payment infrastructure and merchant tools using MERN stack. Key work: - Designed and implemented REST APIs for payment processing and merchant onboarding using Node.js, Express, MongoDB - Built JWT-based authentication and role-based access control - Set up CI/CD pipelines with Docker for automated deployment - Integrated third-party payment gateways and webhooks - Collaborated with backend, security, and product teams on production releases Tech stack: Node.js, Express.js, MongoDB, React, JWT, Docker, CI/CD, REST APIs

CODE

Backend Team Lead

CODE • Temps partiel

Feb 2025 - Feb 2026 • 1 yr

Backend Team Lead at CodeCrafters — led a team of 5 backend developers building a SaaS platform. Key achievements: - Led architecture decisions, code reviews, and delivery timelines for a 5-person backend team - Improved API response time by 30% through query optimization and caching layer - Built RESTful APIs with Node.js and Express, integrating MongoDB for data persistence - Set up CI/CD pipelines using Docker and GitHub Actions for seamless deployments - Mentored junior developers on backend best practices, code quality, and system design - Handled sprint planning and technical scoping for client-facing features Tech stack: Node.js, Express.js, MongoDB, Docker, GitHub Actions, REST APIs