📍 Dhaka, Bangladesh | 🌍 Remote-Ready for Global Clients 📧 [email protected] | 📞 +88 01726 723516 💼 LinkedIn | 💻 Upwork Profile | 🐙 GitHub
12+ years building revenue-generating software for clients in USA, Sweden, Indonesia, and Bangladesh. I don't just write code—I deliver complete, scalable solutions that drive business results.
- ✅ Fast Delivery: Delivered 20+ enterprise projects on time and within budget
- ✅ Full-Stack Mastery: Own projects from database to UI—no coordination headaches
- ✅ Proven at Scale: Apps with 500K+ downloads, platforms handling $M+ transactions
- ✅ Leadership Ready: Managed teams of 12, budgets of $500K+, CTO at Swedish startup
- ✅ Fintech Specialist: Payment gateways, NFC cards, crypto wallets, cross-border transfers
- ✅ Blockchain Expert: Smart contracts, DeFi, NFTs, Hyperledger, Ethereum
- Full-Stack Apps: React, Next.js, Node.js, TypeScript
- Backend APIs: RESTful, GraphQL, microservices architecture
- Database Design: MongoDB, PostgreSQL, optimization & scaling
- Native Android: Java, Kotlin, 8+ years experience
- Cross-Platform: Flutter, React Native
- Complex Features: NFC integration, payment systems, real-time tracking
- Smart Contracts: Solidity, ERC20, ERC721, DeFi protocols
- Web3 Integration: Wallet connection, transaction handling
- Enterprise Blockchain: Hyperledger Fabric, private networks
- CTO/Tech Lead Services: Architecture planning, team building
- Code Review & Mentoring: Improve team quality and velocity
- DevOps Setup: CI/CD pipelines, Docker, cloud deployment
Built end-to-end logistics solution connecting companies with drivers
- Tech: Node.js, Flutter, MongoDB, WebSocket, Docker
- Impact: Real-time tracking, 40% cost reduction in fleet management
- 🔗 movz.se
Complete digital wallet with P2P transfers, remittance, NFC cards
- Tech: Next.js, Node.js, MongoDB, DLT, NFC
- Impact: Processing $100K+ monthly transactions, 10K+ users
- 🔗 finno.digital
Android POS app for Indonesia's largest bank
- Tech: Android, MIFARE NFC, Offline-first architecture
- Impact: Deployed to 5,000+ agents nationwide
Regulatory-compliant platform for fractional property investment
- Tech: Solidity, Ethereum, ERC20/721, AngularJS
- Impact: Enabled $2M+ in tokenized property transactions
- 🔗 xhyre.com
Hyperledger-based lifestyle membership system
- Tech: Hyperledger Fabric, React, Flutter, ChainCode
- Impact: 15K+ members, seamless amenity access
- 🔗 cityscapelifestyle.com
| Service | Availability | Rate |
|---|---|---|
| Freelance Projects | ✅ Immediate | Competitive |
| Full-Time Remote | ✅ Open to offers | Negotiable |
| Contract (6+ months) | ✅ Available | Preferred |
| Technical Consulting | ✅ Hourly/Project | Flexible |
| CTO/Tech Lead | ✅ Part-time/Full-time | Open |
Bachelor of Science in Computer Science & Engineering United International University, Dhaka, Bangladesh (2012)
"Rifat delivered our complex blockchain platform ahead of schedule. His technical expertise and communication skills made the project seamless." — XHYRE Founder
"As our CTO, Rifat transformed our technology strategy and built a world-class development team." — Cityscape International
I'm actively seeking opportunities in:
- 🚀 Fintech & Payment Systems
- ⛓️ Blockchain & Web3 Projects
- 📱 Mobile App Development
- 🏗️ Full-Stack Web Applications
- 👔 Technical Leadership Roles
⭐️ From RifatUllah | Open for opportunities since October 2024