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Hi, I’m Zain Ali F. I’m a Full Stack Engineer with 5+ years shipping production SaaS and AI-powered systems for high-traffic platforms. Upwork Top Rated with a 100% job success score. I specialize in React, Next.js, Node, Django, MongoDB, and RAG/LLM systems, and I have a track record of cutting load times by 70%+, lifting conversions by 30–60%, and architecting multi-tenant platforms that scale to 100K+ records.…Hi, I’m Zain Ali F. I’m a Full Stack Engineer with 5+ years shipping production SaaS and AI-powered systems for high-traffic platforms. Upwork Top Rated with a 100% job success score. I specialize in React, Next.js, Node, Django, MongoDB, and RAG/LLM systems, and I have a track record of cutting load times by 70%+, lifting conversions by 30–60%, and architecting multi-tenant platforms that scale to 100K+ records.

ZAIN ALI F

Full Stack Developer, Web Developer, Back-End Developer, +4

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Hi, I’m Zain Ali F. I’m a Full Stack Engineer with 5+ years shipping production SaaS and AI-powered systems for high-traffic platforms. Upwork Top Rated with a 100% job success score. I specialize in React, Next.js, Node, Django, MongoDB, and RAG/LLM systems, and I have a track record of cutting load times by 70%+, lifting conversions by 30–60%, and architecting multi-tenant platforms that scale to 100K+ records.…Hi, I’m Zain Ali F. I’m a Full Stack Engineer with 5+ years shipping production SaaS and AI-powered systems for high-traffic platforms. Upwork Top Rated with a 100% job success score. I specialize in React, Next.js, Node, Django, MongoDB, and RAG/LLM systems, and I have a track record of cutting load times by 70%+, lifting conversions by 30–60%, and architecting multi-tenant platforms that scale to 100K+ records.

Available to hire

Hi, I’m Zain Ali F. I’m a Full Stack Engineer with 5+ years shipping production SaaS and AI-powered systems for high-traffic platforms. Upwork Top Rated with a 100% job success score.

I specialize in React, Next.js, Node, Django, MongoDB, and RAG/LLM systems, and I have a track record of cutting load times by 70%+, lifting conversions by 30–60%, and architecting multi-tenant platforms that scale to 100K+ records.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Developer at BlueBugs Tech

January 1, 2025 - January 1, 2026

Led development of scalable SaaS applications focusing on modern microservices architecture. Designed and implemented REST APIs and integrated AI-powered features for client platforms. Optimized system performance, improving load times and user retention.

Full Stack Engineer at Independent / Freelance

January 1, 2024 - Present

Lead developer delivering production SaaS, AI integrations, and high-traffic platforms end-to-end for clients including EB3, ShopSmart, Pointr Solutions, Smuves, and Fabrik.

Senior Full Stack Developer (Software House) at QubitarS Technologies

January 1, 2023 - January 1, 2024

Led full-stack delivery on enterprise client projects across SaaS, AI, and document automation; mentored junior developers and owned architecture decisions.

MERN Stack Developer (Software House) at Rootpoints

January 1, 2021 - January 1, 2023

Shipped 10+ MERN production apps under NDA for international clients across e-commerce, edtech, and B2B SaaS — owning frontend, backend, and deployment.

Senior Full Stack Developer at Qubitars Technologies

January 1, 2023 - January 1, 2024

Led full-stack delivery on enterprise client projects under NDA across SaaS, AI, and document automation; mentored junior developers and owned architecture decisions.

MERN Stack Developer at RootPointers Technologies

January 1, 2021 - January 1, 2023

Shipped 10+ MERN production apps under NDA for international clients across e-commerce, edtech, and B2B SaaS — owning frontend, backend, and deployment.

Independent / Freelance — Full Stack Engineer at Independent / Freelance

January 1, 2024 - Present

Lead developer on EB3, ShopSmart, Pointr Solutions, Smuves, and Fabrik; deliver production SaaS, AI integrations, and high-traffic platforms end-to-end.

Senior Full Stack Developer (Software House) at Qubits Technologies

January 1, 2023 - January 1, 2024

Led full-stack delivery on enterprise client projects under NDA across SaaS, AI, and document automation; mentored junior developers and owned architecture decisions.

MERN Stack Developer (Software House) at Rootpoint ers

January 1, 2021 - January 1, 2023

Shipped 10+ MERN production apps under NDA for international clients across e-commerce, edtech, and B2B SaaS — owning frontend, backend, and deployment.