I am a Software Engineer with 12+ years of experience. I am confident that, with over 5 years of expertise as a Blockchain/Smart Contract Developer and more than 7 years of experience as a Backend Developer in developing/architecting scalable, robust, and secure systems, I can make a significant contribution to your team. I am open to joining as soon as possible. Having worked directly with CTOs and CEOs in startup environments for 5+ years, I’ve had the opportunity to both architect and implement blockchain solutions from the ground up. I’m passionate about innovation, optimization, and delivering high-quality, secure software. I have 2+ years of experience in mentoring and leading a team of developers successfully. I have been working on Solidity[5+ years exp.],Ethereum[5+ years exp], Polygon[2+ years exp], Binance Chain[1+ years exp], Web3.js[5 years exp.], Ether.js[4+ year exp.], Solana[1 year exp], Neon EVM, SKALE Blockchain[< 1 year exp], Zilliqa Blockchain[<1 year exp] Truffle framework [5 years exp.], Hardhat [4+ years exp.], JavaScript[8+ years exp.], Node.js[8+ years exp.], ExpressJS[6+ year exp.], TypeScript[4+ years exp], RESTful API[9+ years exp.], Microservices[1+ years exp.], Golang[3 years exp], Python[1 year exp], solana-web3[1 year exp], ReactJS[2+ years exp], RUST[< 1 year exp], Moralis SDK[2 year exp], ZKP, OpenZeppelin[4+ years exp], AWS[3+ years exp.], MS Azure[2+ year exp.], GraphQL, Gnosis Safe, MySQL[5 years exp], Mongo[4+ years exp.], Redis, PostgreSQL[4 year exp], C#[7 years exp], Dockers, Kubernetes , DevOps, OAuth/OAuth2 and CI/CD. I have been actively involved in blockchain development since 2019, and have a solid understanding of various on-chain and off-chain infrastructures and experience in working with Layer-1 and Layer-2 blockchain networks. I am knowledgeable about the most recent EIP/ERC standards and best practices in smart contract security, and I have created and implemented safe, gas-efficient, and production-ready smart contracts in Solidity by implementing best practices in smart contract security and development. I have worked on fungible and non-fungible token development, Blockchain governance, NFT marketplace development, asset tokenization, bridges, swapping, staking applications, vault development, account abstraction, crypto wallets and chrome extension development, ICO, DAO, DeFi and GameFi. I have a strong understanding of EVM internals, Solidity best practices, common attack vectors relevant to decentralized applications and various Blockchain protocols, cryptography, Tokenomics, RWA tokenization, Lending protocols, Ethereum and various consensus protocols, p2p networking, MEV and Liquid Staking. Proficient in utilizing industry-standard auditing tools and methodologies to perform thorough code analysis and identify potential risks using industry-standard tools and techniques. Possess 1+ years of experience in smart contract auditing.

Wasim Bari

I am a Software Engineer with 12+ years of experience. I am confident that, with over 5 years of expertise as a Blockchain/Smart Contract Developer and more than 7 years of experience as a Backend Developer in developing/architecting scalable, robust, and secure systems, I can make a significant contribution to your team. I am open to joining as soon as possible. Having worked directly with CTOs and CEOs in startup environments for 5+ years, I’ve had the opportunity to both architect and implement blockchain solutions from the ground up. I’m passionate about innovation, optimization, and delivering high-quality, secure software. I have 2+ years of experience in mentoring and leading a team of developers successfully. I have been working on Solidity[5+ years exp.],Ethereum[5+ years exp], Polygon[2+ years exp], Binance Chain[1+ years exp], Web3.js[5 years exp.], Ether.js[4+ year exp.], Solana[1 year exp], Neon EVM, SKALE Blockchain[< 1 year exp], Zilliqa Blockchain[<1 year exp] Truffle framework [5 years exp.], Hardhat [4+ years exp.], JavaScript[8+ years exp.], Node.js[8+ years exp.], ExpressJS[6+ year exp.], TypeScript[4+ years exp], RESTful API[9+ years exp.], Microservices[1+ years exp.], Golang[3 years exp], Python[1 year exp], solana-web3[1 year exp], ReactJS[2+ years exp], RUST[< 1 year exp], Moralis SDK[2 year exp], ZKP, OpenZeppelin[4+ years exp], AWS[3+ years exp.], MS Azure[2+ year exp.], GraphQL, Gnosis Safe, MySQL[5 years exp], Mongo[4+ years exp.], Redis, PostgreSQL[4 year exp], C#[7 years exp], Dockers, Kubernetes , DevOps, OAuth/OAuth2 and CI/CD. I have been actively involved in blockchain development since 2019, and have a solid understanding of various on-chain and off-chain infrastructures and experience in working with Layer-1 and Layer-2 blockchain networks. I am knowledgeable about the most recent EIP/ERC standards and best practices in smart contract security, and I have created and implemented safe, gas-efficient, and production-ready smart contracts in Solidity by implementing best practices in smart contract security and development. I have worked on fungible and non-fungible token development, Blockchain governance, NFT marketplace development, asset tokenization, bridges, swapping, staking applications, vault development, account abstraction, crypto wallets and chrome extension development, ICO, DAO, DeFi and GameFi. I have a strong understanding of EVM internals, Solidity best practices, common attack vectors relevant to decentralized applications and various Blockchain protocols, cryptography, Tokenomics, RWA tokenization, Lending protocols, Ethereum and various consensus protocols, p2p networking, MEV and Liquid Staking. Proficient in utilizing industry-standard auditing tools and methodologies to perform thorough code analysis and identify potential risks using industry-standard tools and techniques. Possess 1+ years of experience in smart contract auditing.

Available to hire

I am a Software Engineer with 12+ years of experience. I am confident that, with over 5 years of expertise as a Blockchain/Smart Contract Developer and more than 7 years of experience as a Backend Developer in developing/architecting scalable, robust, and secure systems, I can make a significant contribution to your team. I am open to joining as soon as possible.

Having worked directly with CTOs and CEOs in startup environments for 5+ years, I’ve had the opportunity to both architect and implement blockchain solutions from the ground up. I’m passionate about innovation, optimization, and delivering high-quality, secure software. I have 2+ years of experience in mentoring and leading a team of developers successfully.

I have been working on Solidity[5+ years exp.],Ethereum[5+ years exp], Polygon[2+ years exp], Binance Chain[1+ years exp], Web3.js[5 years exp.], Ether.js[4+ year exp.], Solana[1 year exp], Neon EVM, SKALE Blockchain[< 1 year exp], Zilliqa Blockchain[<1 year exp] Truffle framework [5 years exp.], Hardhat [4+ years exp.], JavaScript[8+ years exp.], Node.js[8+ years exp.], ExpressJS[6+ year exp.], TypeScript[4+ years exp], RESTful API[9+ years exp.], Microservices[1+ years exp.], Golang[3 years exp], Python[1 year exp], solana-web3[1 year exp], ReactJS[2+ years exp], RUST[< 1 year exp], Moralis SDK[2 year exp], ZKP, OpenZeppelin[4+ years exp], AWS[3+ years exp.], MS Azure[2+ year exp.], GraphQL, Gnosis Safe, MySQL[5 years exp], Mongo[4+ years exp.], Redis, PostgreSQL[4 year exp], C#[7 years exp], Dockers, Kubernetes , DevOps, OAuth/OAuth2 and CI/CD.

I have been actively involved in blockchain development since 2019, and have a solid understanding of various on-chain and off-chain infrastructures and experience in working with Layer-1 and Layer-2 blockchain networks. I am knowledgeable about the most recent EIP/ERC standards and best practices in smart contract security, and I have created and implemented safe, gas-efficient, and production-ready smart contracts in Solidity by implementing best practices in smart contract security and development. I have worked on fungible and non-fungible token development, Blockchain governance, NFT marketplace development, asset tokenization, bridges, swapping, staking applications, vault development, account abstraction, crypto wallets and chrome extension development, ICO, DAO, DeFi and GameFi. I have a strong understanding of EVM internals, Solidity best practices, common attack vectors relevant to decentralized applications and various Blockchain protocols, cryptography, Tokenomics, RWA tokenization, Lending protocols, Ethereum and various consensus protocols, p2p networking, MEV and Liquid Staking. Proficient in utilizing industry-standard auditing tools and methodologies to perform thorough code analysis and identify potential risks using industry-standard tools and techniques. Possess 1+ years of experience in smart contract auditing.

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Experience Level

Expert
Expert
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Expert
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Language

English
Fluent

Work Experience

Senior Blockchain Developer and Architect (Freelance) at Venflow
January 1, 2025 - Present
Engineered pricing algorithms and launched a smart contract system for dynamic ticket prices, designed tokenomics, and implemented reward tokens focusing on security and aligned incentives. Created NFT ticket minting smart contracts with royalties and auction functionality for ticket resale. Developed event-driven Python microservices on Microsoft Azure's serverless architecture, enhancing efficiency and deployment speed. Utilized Polygon, Solidity, Ethers.js, IPFS, JavaScript, Node.js, and Cosmos DB.
Senior Blockchain Developer at Mawari
December 31, 2024 - August 5, 2025
Developed bridge smart contracts for transferring tokens between Polygon and Solana. Created liquid staking smart contracts and backend integration for MAWARI tokens. Implemented tokenomics for a DePIN network and multi-chain architecture supporting Solana and Polygon. Identified critical vulnerabilities and provided remediation strategies. Built cross-chain data pipelines and containerized scalable REST APIs. Integrated Stripe for fiat purchases and implemented on-chain content validation using Anchor Framework and Python. Established best practices in smart contract security and coding standards.
Senior Blockchain Developer at House of Kibaa
September 30, 2023 - August 5, 2025
Developed and optimized Solidity smart contracts with focus on security, manually and automatically auditing for critical vulnerabilities. Implemented security-focused tests using Hardhat, Foundry, and Echidna. Developed trading bots in Golang and maintained real-time NFT analytics dashboards. Created smart contracts for NFT marketplaces, staking, bidding, and zero knowledge proof-secured bidding. Implemented ERC-4337 account abstraction to improve wallet user experience and transaction payments. Created cross-chain bridge smart contracts. Mentored team members and established a knowledge-sharing framework.
Blockchain Developer at Bolt Global
April 30, 2022 - August 5, 2025
Collaborated with CTO on research and product innovation. Architected and implemented staking modules and tokenomics, enabling staking thru BoltX wallets. Built cryptocurrency trading bots in Golang and data APIs for on-chain insights. Developed non-custodial crypto wallets and Chrome extensions supporting multiple EVM chains and Zilliqa. Developed bridge smart contracts for token transfers, DeFi swapping and liquidity pools, and governance smart contracts. Performed smart contract audits using Mythril and fixed high-severity security issues.
Lead Software Engineer [R&D] - Blockchain at Conduent Business Services
July 31, 2021 - August 5, 2025
Architected and implemented blockchain solutions in supply chain finance, including working capital solutions and asset tokenization. Developed decentralized storage solutions in Golang for internal use, real-time blockchain to ERP data synchronization, and smart contracts for asset tokenization, order lifecycle, and DAOs. Extracted and standardized raw blockchain data for analytics using PostgreSQL. Established development best practices to improve outcomes.
Senior Software Engineer at Synechron Technologies
July 31, 2019 - August 5, 2025
Software Engineer - Backend at Manhattan Associates
January 31, 2015 - August 5, 2025
Software Engineer - Backend at Dell International Services
October 31, 2013 - August 5, 2025
SENIOR BLOCKCHAIN DEVELOPER AND ARCHITECT (Freelance) at Venflow
May 1, 2015 - November 20, 2025
Engineered on-chain dynamic pricing algorithms for a blockchain ticketing marketplace; designed and deployed secure Tokenomics and NFT royalty allocation and automated revenue-sharing methods; integrated ERC-4337 Account Abstraction for gasless wallet onboarding; implemented real-time on-chain/off-chain data synchronization; built blockchain observability with Alchemy and Azure Monitor; developed a scalable serverless Node.js microservices backend on Microsoft Azure; implemented Redis caching and rate limiting for high-traffic ticket resales.
SENIOR BLOCKCHAIN DEVELOPER at Mawari
March 1, 2025 - March 1, 2025
Created bridge smart contracts to transfer fungible tokens between Polygon and Solana; developed liquid staking contracts and backend integration; architected multi-chain support for Solana and Polygon; built NFT smart contracts (Anchor) for node licenses; identified and remediated critical vulnerabilities; built multi-chain data pipelines; deployed REST APIs for admin and network validators; integrated Stripe for fiat purchases; advanced security practices and audits; implemented Triggered on-chain validation with Python-based backend triggers.
SENIOR BLOCKCHAIN DEVELOPER at House of Kibaa
September 1, 2023 - September 1, 2023
Led design and rollout of Solidity contracts powering NFT and Web3 ecosystem; conducted deep audits across Ethereum and EVM networks; built high-speed trading bot in Golang; automated Web3 data pipelines; designed NFT marketplace contracts with minting, staking, resale, and private zero-knowledge bidding; integrated ERC-4337 Account Abstraction; implemented upgradeable contracts via UUPS; built cross-chain bridges for Ethereum/Polygon/Binance Smart Chain; performed security audits with Mythril; mentored engineers and established audit-review framework.
BLOCKCHAIN DEVELOPER at Bolt Global
April 1, 2022 - April 1, 2022
Shaped staking tokenomics, built Solidity contracts for token staking and BoltX wallet integration; developed a Golang crypto trading bot; built non-custodial wallet APIs and cross-chain bridges (Polygon-Ethereum); contributed to DeFi token swaps and liquidity pools; established development team processes and security reviews; produced real-time blockchain analytics APIs.
LEAD SOFTWARE ENGINEER [R&D] - BLOCKCHAIN at Conduent Business Services
July 1, 2021 - July 1, 2021
Shaped the company’s first blockchain R&D efforts; wrote Solidity contracts for asset tokenization, DAOs, procurement workflows, and working capital management; built a decentralized storage layer in Golang; extracted and standardized on-chain analytics from raw Ethereum data; connected blockchain systems with ERP tools via sockets and REST APIs for real-time synchronization; led a team, established best practices and workflows.
SENIOR SOFTWARE ENGINEER - BACKEND at Synechron Technologies
July 1, 2019 - July 1, 2019
Contributed to blockchain backend projects, integrating Ethereum-based solutions, smart contracts, and on-chain/off-chain data synchronization; developed and reviewed backend services, and mentored team members.
SOFTWARE ENGINEER - BACKEND at Manhattan Associates
January 1, 2015 - January 1, 2015
Backend software development focusing on enterprise-grade applications and integration with blockchain-enabled workflows.
SOFTWARE ENGINEER - BACKEND at Dell International Services
October 1, 2013 - October 1, 2013
Backend software development responsibilities across enterprise-grade systems.

Education

Master of Computer Applications at Rajiv Gandhi Technical University, India
January 11, 2030 - August 5, 2025
Bachelor of Science at University of Lucknow, India
January 11, 2030 - August 5, 2025
Master of Computer Applications at Rajiv Gandhi Technical University
January 11, 2030 - November 20, 2025
Bachelor of Science at University of Lucknow
January 11, 2030 - November 20, 2025

Qualifications

Certified NFT Expert
January 11, 2030 - August 5, 2025
Certified Metaverse Expert
January 11, 2030 - August 5, 2025
Certified NFT Expert
January 11, 2030 - November 20, 2025
Certified Metaverse Expert
January 11, 2030 - November 20, 2025

Industry Experience

Computers & Electronics, Financial Services, Software & Internet, Professional Services, Media & Entertainment