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Qalbe Ali
@qalbeali257
Full Stack Blockchain and AI Engineer
Pakistan
English, Urdu
About me
👋 Hi, I'm Qalb a Senior Full Stack, Blockchain & AI Developer with 4+ years of experience delivering 30+ projects for clients worldwide.
✅ Full Stack: React, Next.js, Node.js, TypeScript, PostgreSQL, AWS, Docker
✅ Blockchain: Solidity, DeFi, NFTs, Web3 dApps, Smart Contracts
✅ AI: LangChain, RAG, OpenAI, Claude, AI Automation
I build scalable, secure, and production-ready applications with clean architecture, strong communication, and on-time delivery. Passionate about solving complex problems and helping startups turn ideas into successful products.
Let's build something great 🚀
Skills
Qalbe Ali
Offline •
Average response time: 1 hour
See my services
Decentralized Applications (dApps)
I will create erc20 token with ico smart contract and launchpad website
NFT Websites
I will build an nft minting dapp with erc721 smart contract on ethereum or solana
Want to work on an hourly basis?
Tell Qalbe Ali what you need.
$15
/
hourPortfolio
Work experience
Full Stack Engineer
Upwork • Full-time
Sep 2023 - Present • 2 yrs 10 mos
Delivered 45+ successful projects for startups and businesses worldwide, maintaining strong client satisfaction through quality work and reliable communication. Designed and developed scalable full-stack web applications using React, Next.js, Node.js, TypeScript, Express.js, PostgreSQL, MongoDB, and Supabase. Built responsive, pixel-perfect user interfaces from Figma designs with a strong focus on performance, accessibility, and cross-browser compatibility. Developed secure RESTful APIs, authentication systems, payment gateway integrations, and real-time features using WebSockets. Architected cloud-ready applications with AWS, Docker, CI/CD pipelines, and modern deployment platforms including Vercel and DigitalOcean. Collaborated directly with founders and product teams to transform ideas into production-ready SaaS platforms, dashboards, marketplaces, and internal business tools. Optimized application performance, improved database efficiency, and reduced page load times through code splitting, caching, and query optimization. Followed Agile methodologies, participated in code reviews, and maintained high-quality, clean, and well-documented code throughout the development lifecycle.
20 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 20 Reviews
Sort By
Most relevant
mike85673
Repeat Client
United Arab Emirates
In the beginning he is quick to respond but as times this drops. He is not super quality minded and make many mistakes, so that we need to sent coreccetions back and forth many times, too many times... The overall quality of the job provied is good, but the took way to long and wit h way to many mistakes from his side.
$50-$100
Price
1 day
Duration
Helpful?
wiiigle
Repeat Client
United Kingdom
the job was done exactly as required to a very high standard. will certainly use service again.
Helpful?
anfieldsports89
Nigeria
good piece of work
Up to $50
Price
1 day
Duration
Helpful?
organpifarms
Senegal
Exceptional Work! Job was completed very quickly and very detailed! I am launching my first coin and this is absolutely great. I am very pleased with the accuracy, and completion of the job!
Helpful?
fedner123
United States
Terrible Experience – Unprofessional and Unreliable I hired this person to build a website for me, and he promised to deliver it within 5 business days. That never happened. Once he got paid, he barely responded to my messages. I even provided a reference site to give him an idea of what I wanted, and...
Helpful?
