Available to hire
I’m Ali Nosouhi Dehnavi, a blockchain developer based in Vancouver with 6+ years of experience building secure, scalable backends and smart contracts. I have delivered ERC-20 tokens, multi-sig wallets, cross-chain bridges, staking platforms, and NFT marketplaces, and I’m proficient in Solidity and EVM standards.
I excel at applying robust software engineering practices to design and deploy reliable DeFi infrastructure. I’ve led decentralized governance via DAOs, integrated wallet systems, supported 30+ blockchain networks with NestJS, Golang, and TypeScript, and engineered high-performance crypto backends capable of handling thousands of trades daily across multiple networks.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
Persian
Fluent
English
Fluent
Work Experience
Blockchain Developer at Tooniex
January 1, 2025 - PresentIntegrated the platform’s wallet system with BitGo APIs to enable secure multi-signature cryptocurrency transactions, ensuring reliability and asset integrity. Developed and deployed the ERC-20 smart contract for the Toonie token, along with a DAO governance system to enable decentralized decision-making. Implemented the instant trade module of a cryptocurrency exchange, supporting real-time swaps across 20+ trading pairs, with an average latency under 200ms.
Blockchain Developer at Abantether
January 1, 2025 - August 5, 2025Contributed to the development of smart contract-based personal wallets and deposit systems for users by Solidity, achieving a 40% reduction in operational costs. Re-engineered the withdrawal system, cutting gas consumption by 30% using NestJS and Solidity. Developed a swap contract for swapping assets across different decentralized platforms, improving liquidity. Designed and implemented deposit and withdrawal system on Ton network, achieving a 15% growth in client satisfaction.
Blockchain Developer at Decentralized Technology
January 1, 2024 - August 5, 2025Created a contract-based multi-sig wallet for HPO wallet with a reduction of 60% gas consumption. Developed a cross-chain bridge for HPO token between Binance Smart Chain (BSC) and Ethereum. Redesigned CEX client's wallet with 50% gas fee reduction in EVM-based networks with the cloning method. Engineered a DEX wrapper for swapping assets between multiple DEX platforms to provide liquidity with 20% optimization in operational cost. Built and deployed an ERC20 token (HPO Token) with 1500 holders and stake contracts. Contributed to the development of NFT marketplace for digital art, leveraging IPFS for decentralized and secure storage solutions. Developed an Airdrops smart contract for HPO token on Binance Smart Chain and Ethereum.
Blockchain Developer at Nikandish Group
August 1, 2022 - August 5, 2025Closely contributed to the development of an HD wallet for a cryptocurrency exchange using NestJS which supports over 20 blockchain networks. Redesigned and improved the PostgreSQL database in a microservice architecture which resulted in a 10% efficiency boost. Built an Automated Market Maker (AMM) bot to create liquidity and perform market-making strategies, improving response times by 25%, using NestJS. Conducted research and development for the suitable solution of implementing a Hot Wallet on centralized exchanges.
Blockchain Developer at ToonieX
January 1, 2025 - November 20, 2025Developed ERC-20 smart contracts and a DAO-governed framework for decentralized token governance; built high-performance market-making bots in Go for centralized and decentralized exchanges; implemented cross-chain bridges, staking platforms, and NFT marketplaces; contributed to deployment pipelines and security reviews.
Blockchain Developer at Abanther
January 1, 2024 - November 20, 2025Contributed to the development of smart-contract–based personal wallets and deposit systems for exchange users using Solidity; achieved a 40% reduction in operational costs; designed automated test suites for wallet and swap contracts; redesigned deposit/withdrawal flows and edge-case handling; engineered a Golang framework for balance tracking across networks including Ethereum, Bitcoin, and BSC.
Blockchain Developer at Decentralized Technology
January 1, 2024 - January 1, 2024Created a cross-chain wallet solution for an ERC-20 token across Ethereum and Ethereum-compatible networks; redesigned CEX client wallets to reduce gas fees by ~50% in EV M-based networks using clone methods; redesigned a DEX wrapper for cross-platform asset swaps; deployed ERC-20 tokens with 1500 holders and implemented stake contracts; contributed to NFT marketplace development leveraging IPFS.
Blockchain Developer at Nikandish Group
August 1, 2022 - August 1, 2022Contributed to the development of an HD wallet for a cryptocurrency exchange using NestJS; redesigned PostgreSQL database in a microservice architecture, resulting in ~10% efficiency gains; built an Automated Market Maker (AMM) bot to provide liquidity; developed hot wallet features and improved deposit/withdrawal workflows across networks including Ethereum, Bitcoin, and BSC; performed security audits and code improvements.
Blockchain Developer at Toonie X
January 1, 2025 - PresentDeveloped ERC-20 smart contract in Solidity for the Toonie token and a DAO governance system for decentralized decision-making. Implemented a staking smart contract enabling users to lock tokens to earn yield, with reward calculation and distribution mechanisms. Built a high-performance market-making bot for CEX and DEX platforms, featuring advanced spread strategies and inventory management with sub-100ms execution and handling 10K+ daily trades across multiple trading pairs. Architected an SPL token on the Solana blockchain and implemented DAO governance using Realm, enabling token-weighted voting and decentralized treasury management.
Blockchain Developer at Abanter Exchange
January 1, 2024 - January 1, 2025Contributed to the development of smart contract-based personal wallets and a deposit system for a cryptocurrency exchange using Solidity. Engineered a DEX wrapper for swapping assets across multiple DEX platforms to provide liquidity with 20% optimization in operational costs. Designed and implemented deposits and withdrawals on the TON network using NestJS, achieving 15% growth in client satisfaction.
Blockchain Developer at Nikan Dish Group
January 1, 2020 - August 1, 2022Contributed to the development of an HD wallet for a cryptocurrency exchange using NestJS supporting over 20 blockchain networks. Redesigned PostgreSQL database in a microservice architecture, resulting in a 10% efficiency boost. Built an Automated Market Maker (AMM) bot to provide liquidity and implement market-making strategies, improving response times by 25%, using NestJS, TypeScript, and Solidity.
Blockchain Developer at Banther
January 1, 2024 - January 1, 2025Contributed to the development of smart contract-based personal wallets and deposits systems for a cryptocurrency exchange using Solidity; achieved a 40% gas cost reduction; architected a Golang blockchain framework serving 1M+ users; integrated wallet systems with 30+ networks; deployed cross-chain bridges.
Blockchain Developer at NikanDish Group
January 1, 2020 - August 1, 2022Contributed to the development of HD wallets for a cryptocurrency exchange using NestJS, supporting 20+ blockchain networks. Redesigned PostgreSQL database architecture in a microservice setup, yielding ~10% efficiency gain. Built an AMM bot for liquidity provisioning and market-making using NestJS, Go, TypeScript, Solana, Anchor, and related tech.
Education
Bachelor in Computer Engineering at Isfahan University
January 1, 2015 - January 1, 2020Bachelor of Science in Computer Engineering at Isfahan University
January 1, 2015 - January 1, 2020Master in Technology Management at Azad University
January 1, 2022 - January 1, 2025Bachelor in Computer Engineering at Isfahan University
January 1, 2015 - January 1, 2020Master in Technology Management at Azad University (Isfahan Campus)
January 1, 2022 - January 1, 2025Bachelor in Computer Engineering at Isfahan University
January 1, 2015 - January 1, 2020Qualifications
Industry Experience
Financial Services, Software & Internet, Computers & Electronics, Professional Services, Government, Media & Entertainment, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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