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Maham Hafeez
@maham_hafeez
Blockchain and Full Stack Developer, Smart Contracts, MERN, AI Automation
Pakistan
English, Urdu
About me
Most teams hire twice: once for the chain, once for the product. I am the engineer who covers both.
50+ production builds at OptimusFox since December 2021, plus 64 Fiverr projects at a 4.9 rating.
ON CHAIN: 15+ Solidity contracts, ERC20, ERC721, ERC1155, ICO and vesting, upgradeable proxies, DAO governance, a Uniswap v3 clone, cross-chain bridges and Hyperledger Fabric.
ON PRODUCT: NestJS and PostgreSQL APIs, React and Next.js front ends, and the Web3 integration that joins them. Recently TVET MIS, a national government skills platform.
Tell me what you are building.
Skills
Maham Hafeez
Offline •
Average response time: 1 hour
See my services
Data Entry
I will best all pages web scraper, email scraper, and data entry
Custom Websites
I will design and develop frontend and backend web applications
Work experience
Blockchain Developer and Full-Stack Engineer
OptimusFox
Dec 2021 - Present • 4 yrs 9 mos
Smart contracts, Hyperledger Fabric networks and NestJS backends across 50+ production builds. Full-stack development on TVET MIS, a national-scale government skills platform for the Punjab Skills Development Authority, with a NestJS and PostgreSQL backend plus frontend work. Designed and deployed ERC20, ERC721 and ERC1155 contracts plus ICO and presale contracts with vesting and governance, tested in Hardhat and Foundry. Built a full Uniswap v3 clone (Foxswap DEX) end to end, from Figma to React frontend through backend and smart contract integration. Built a custom crypto wallet and a banking application on Hyperledger Fabric with private and cross-organisation chaincode in TypeScript. Built cross-chain bridging contracts and APIs between Ethereum and Fantom, and forked Ethereum to implement Proof of Work, Proof of Authority and Proof of Stake consensus with Blockscout explorer integration. Delivered upgradeable contracts for SoccerAI and PaddleAI on Polygon with on-chain verification.
46 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 46 Reviews
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tenekoomega01
United Kingdom
Ongoing collaboration
⭐⭐⭐⭐⭐ Review Outstanding work from start to finish. Communication was clear, professional, and consistent throughout the project. The delivery was on time, everything was tested thoroughly, and the final implementation worked exactly as expected. She went above and beyond the original scope to make...
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tenekoomega01
United Kingdom
Ongoing collaboration
Maham has executed her work with the highest level of professionalism across every stage of the project. Not only did she deliver what was required with precision and care, but she also provided valuable technical counsel throughout the process. Her deep understanding of complex blockchain logic and...
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dogmerchstore
Canada
Maham successfully completed a very complicated project perfectly. Maham did excellent work. Thanks.
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tenekoomega01
United Kingdom
Ongoing collaboration
It has been a pleasure working with Maham, she was highly efficient. She also operated at the height of professionalism displaying extreme expertise in her field. Omega dynasties would like to say it has been an absolute pleasure to work with you.
Seller's Response
Helpful?
bryan047
United States
Ongoing collaboration
I am extremely pleased with the work done by Maham Hafeez. she built a custom token contract exactly as we agreed, coding every function cleanly and deploying it successfully. The admin and client panels work perfectly, the token is secure, and I feel confident about its integrity and performance. Communication...
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