Nikone is available for hire

Nikone Bounyavong

Verified Expert in Engineering

Full-stack Blockchain Developer

Location

Vientiane, Vientiane Prefecture, Laos

Toptal Member Since

January 13, 2022

Nikone has been helping clients compete and grow with cleverly designed tools optimized for peak performance for 8+ years. He is also the co-founder and chief engineer at PengolinCoin, where he developed the core system. Nikone spent two years developing a project management service and a user survey system for IT360. With deep knowledge of the blockchain space, he also helped MPL get millions in crowdfunding from thousands of users by developing smart contracts for NFT games.

Portfolio

PengolinCoin

C++, Blockchain, Cryptocurrency, Cryptography, Android, iOS, Websites...

BitcoinSKR

Blockchain, Cryptocurrency, Bitcoin, Test Scripting, Full-stack Development...

Standard Creative

Solidity, Blockchain, JavaScript, Ethereum, Web3.js, Web 3.0, TypeScript...

Experience

C#.NET - 8 years Python - 8 years Azure - 8 years C++ - 8 years Cryptocurrency - 7 years Cryptography - 6 years Blockchain - 6 years Solidity - 5 years

Availability

Part-time

Preferred Environment

Git, Amazon Web Services (AWS), Bash Script, Algorithms, .NET, Cryptocurrency, Blockchain & Cryptocurrency, Web 3.0, Technical Leadership, Bitcoin, Test Scripting

The most amazing...

...thing I've developed from scratch is a huge blockchain ecosystem with a major coin, tokens, NFTs, dApps, games, and a DeFi system.

Work Experience

Co-founder and Chief Engineer

2018 - PRESENT

PengolinCoin

Launched PengolinCoin (PGO), a PoS-MN blockchain with a privacy feature, by developing Qt core daemon wallets with hundreds of master nodes online.
Developed Android and iOS wallets using React Native. The wallets have thousands of users.
Used Express.js and MongoDB to develop a block explorer and provide a blockchain information API.
Launched ERC20/BEP20 wrapped tokens on the Ethereum and Binance Chain.
Created 10,000 NFT tokens with unique Pangolin arts for P2E gameplay.
Developed P2E games for NFT owners using Unity, Node.js, a Photon network for multiplayer games, and ChainSafe SDK.

Technologies: C++, Blockchain, Cryptocurrency, Cryptography, Android, iOS, Websites, Smart Contracts, Non-fungible Tokens (NFT), Ethereum Smart Contracts, Rust, CTO, ERC-20, ERC-721, SQL, System Administration, Cryptocurrency Wallets, Blockchain Design, Bitcore, MetaMask, CCXT, Solidity, Decentralized Autonomous Organizations (DAO), APIs, Solana, Proof of Stake, Trade, Algorithms, Tokenomics, Decentralized Finance (DeFi), Stablecoins, Crypto, Arbitrage, Blockchain Platforms, Bots, CSS, libp2p, Decentralized Systems, DApps, Fintech, Ubuntu, MacOS, Windows, Software Design, Web Security, React, Full-stack, Truffle, Web3.js, Node.js, Remix IDE, Trading, Polygon, Leadership, Terminal, Termius, Git, Amazon Web Services (AWS), Bash Script, Debian, Hash, Foundry, Testing, Auditing, Audits, IT Audits, Hardhat, .NET, Angular, Blockchain & Cryptocurrency, Web 3.0, Mobile Advertising, Utility Tokens, Android SDK, Android NDK, Linux, Windows 10, JavaScript 6, JavaScript 5, Brower, Chrome, Chromium, Extensions, Next.js, Ethers.js, GitHub, Software Architecture, Technical Leadership, Bitcoin, Lightning Network, ERC-1155, Twilio, Loyalty Programs, Customized Blockchains, Enterprise Loyalty Programs, High-performance Computing, Stock Exchange, Digital Asset Management, Exchanges, Fractionalization, ICO, Cryptocurrency Exchanges, Oracle, Test Scripting, Full-stack Development, UTXO

Blockchain Developer

2023 - 2024

BitcoinSKR

Led a development team of two front-end developers, ensuring seamless integration and delivery of blockchain features.
Installed and configured a proof of concept (PoC) private blockchain, BitcoinSKR, along with block explorers like Etherscan for enhanced transparency and user engagement.
Developed and deployed smart contracts for USDS, a stable token on the BitcoinSKR chain, facilitating an innovative airdrop mechanism for existing BTC holders to encourage the adoption of our Bitcoin chain fork.
Implemented bitcoin block explorer APIs to accurately identify and engage BTC holders at a specified block height, enhancing the reach and effectiveness of our airdrop strategy.
Created a staking contract for the BitcoinSKR chain, offering BSK holders a rewarding mechanism through WSBK tokens, compensating for the absence of a mining feature, and fostering community participation and investment.

Technologies: Blockchain, Cryptocurrency, Bitcoin, Test Scripting, Full-stack Development, UTXO

Solidity Developer

2022 - 2023

Standard Creative

Implemented smart algorithms to develop NFT and GAS-efficient auction smart contracts.
Created documentation for auditing the smart contracts and provided guidance to users and developers.
Developed an admin panel using JavaScript for contract deployers, as well as factory contracts in Solidity.

Technologies: Solidity, Blockchain, JavaScript, Ethereum, Web3.js, Web 3.0, TypeScript, Algorithms, High-performance Computing, Digital Asset Management, Exchanges, Oracle, Test Scripting, Full-stack Development

Solidity Developer

2022 - 2022

Crypto Project

Developed the PulseInu ERC20 token with Merkle tree verification features in the claim functions, which has nearly 200,000 users.
Updated the PulseInu front-end website using Jekyll with web3.js for claiming features by verifying Merkle roots.
Fixed possible vulnerabilities by auditing the token contract with a professional smart contract auditor.
Deployed the token on PulseChain and completed the front-end testing.

Technologies: Solidity, Blockchain, Web3.js, HTML, CSS, JavaScript, Fintech, Security, MacOS, Windows, Algorithms, Cryptography, Smart Contracts, Ethereum Smart Contracts, Ethereum, Hash, Foundry, Testing, Auditing, Audits, IT Audits, Software Design, Web Security, Websites, React, Truffle, ERC-20, ERC-721, APIs, Terminal, Termius, Git, Bash Script, Debian, Hardhat, Cryptocurrency, Blockchain & Cryptocurrency, Web 3.0, Utility Tokens, JavaScript 6, JavaScript 5, Brower, Ethers.js, GitHub, Software Architecture, Technical Leadership, ERC-1155, Twilio, Loyalty Programs, Customized Blockchains, Enterprise Loyalty Programs, High-performance Computing, Digital Asset Management, Exchanges, Oracle, Test Scripting, Full-stack Development

Blockchain and Back-end Developer

2022 - 2022

WeMint, Inc

Implemented effective NFT fractionalization and royalty protocols for multiple marketplaces.
Developed a hybrid website (Web 2.0 and Web 3.0) using React for the front end and Node.js for the back end.
Created and implemented a new NFT renting protocol, allowing the company to save gas fees and simplify its DeFi business.

Technologies: Blockchain, Proof of Stake, Leadership, Solidity, TypeScript, Solidity Assembly, Blockchain Platforms, CSS, libp2p, Decentralized Systems, IPFS, DApps, Fintech, Security, Ubuntu, MacOS, Windows, Software Design, Web Security, Cryptography, Websites, React, Full-stack, Truffle, Web3.js, Node.js, ERC-20, ERC-721, APIs, Smart Contracts, Terminal, Termius, Git, Amazon Web Services (AWS), Bash Script, Debian, Hash, Foundry, Testing, Auditing, Audits, IT Audits, Hardhat, Cryptocurrency, Blockchain & Cryptocurrency, Web 3.0, Utility Tokens, JavaScript 6, JavaScript 5, Ethers.js, GitHub, Software Architecture, Technical Leadership, ERC-1155, Twilio, Loyalty Programs, Customized Blockchains, Enterprise Loyalty Programs, High-performance Computing, Stock Exchange, Digital Asset Management, Exchanges, Fractionalization, Cryptocurrency Exchanges, Oracle, Test Scripting, Full-stack Development

Smart Contract Developer

2022 - 2022

Martian Premier League

Developed multiple NFT P2E games with thousands of users playing on the Ethereum and Polygon chains.
Solved pseudo and complete random number generation problems by implementing a new protocol and algorithm.
Launched NFT shopping contracts to attract more users and raise 10% more funds.

Technologies: Bitcoin, Blockchain, Ethereum, Non-fungible Tokens (NFT), Smart Contracts, Bitcore, MetaMask, Solidity, Algorithms, Polygon, Tokenomics, Decentralized Finance (DeFi), Crypto, TypeScript, Solidity Assembly, Blockchain Platforms, libp2p, IPFS, Fintech, Security, MacOS, Windows, Software Design, Cryptography, Truffle, Web3.js, ERC-20, ERC-721, APIs, Terminal, Termius, Git, Debian, Hash, Foundry, Testing, Auditing, Audits, IT Audits, Hardhat, Cryptocurrency, Blockchain & Cryptocurrency, Web 3.0, Utility Tokens, JavaScript 6, JavaScript 5, Ethers.js, GitHub, Software Architecture, Technical Leadership, ERC-1155, Twilio, Loyalty Programs, Customized Blockchains, Enterprise Loyalty Programs, High-performance Computing, Stock Exchange, Digital Asset Management, Exchanges, Polygon EVM, Oracle, Test Scripting

Full-stack Developer

2022 - 2022

Game Of Dwarfs

Developed an ERC721 NFT with 10,000 programmatically generated arts.
Implemented a gas-effective algorithm for random distribution in Solidity.
Created and implemented new P2E game logics for the NFT owners.
Developed web apps using React and an art generation program using Node.js.

Technologies: Blockchain, Cryptocurrency, Ethereum, Smart Contracts, Non-fungible Tokens (NFT), Full-stack, React, Truffle, Web3.js, Node.js, Remix IDE, ERC-20, ERC-721, Bitcore, MetaMask, Solidity, APIs, Algorithms, Tokenomics, Decentralized Finance (DeFi), Crypto, Solidity Assembly, Blockchain Platforms, CSS, libp2p, Decentralized Systems, IPFS, Fintech, Security, Ubuntu, MacOS, Windows, Software Design, Web Security, Cryptography, Websites, Terminal, Termius, Git, Bash Script, Debian, Foundry, Testing, Auditing, Audits, IT Audits, Hardhat, Blockchain & Cryptocurrency, Web 3.0, Utility Tokens, JavaScript 6, JavaScript 5, Ethers.js, GitHub, Software Architecture, Technical Leadership, ERC-1155, Twilio, Loyalty Programs, Customized Blockchains, Enterprise Loyalty Programs, High-performance Computing, Stock Exchange, Digital Asset Management, Exchanges, Oracle, Test Scripting, Full-stack Development

Senior Full-stack Developer

2018 - 2022

RevBits

Developed and upgraded client applications for Windows, Linux, and macOS; mobile apps for Android and iOS; and browser extensions for Chrome, Firefox, Safari, Edge, and Opera in the privileged access management (PAM) project.
Played a pivotal role in attracting more investments in the company by extending the compatibility of the PAM system to smart cards, HSM devices, USB keys, and RFID/NFC tags.
Increased user convenience by implementing two-factor (2FA) verification options, including SMS, OTP, MFA, U2F, and WebAuthn.
Enhanced the Windows system security by inserting a fingerprint authentication module.

Technologies: Algorithms, C++, C, Android, Android SDK, Android NDK, iOS, Windows, Windows 10, Linux, MacOS, Qt 4, Qt, Qt 5, Java, JavaScript, JavaScript 6, Brower, Chrome, Chromium, Extensions, Device Drivers, Artificial Intelligence (AI), Web Security, GitHub, Software Architecture, Technical Leadership, Twilio, High-performance Computing, Full-stack Development

Senior Full-stack Developer

2018 - 2021

ORO mlm

Launched multiple cryptocurrency blockchains with PoW, PoS, MN, and privacy features for several American banks.
Developed core daemon wallets by using Qt and many crypto libraries.
Listed hybrid mobile wallet apps to Google Play and the App Store using React Native and Python.
Used Express.js, Node.js, and MongoDB to develop a blockchain explorer that allows users and CoinMarketCap to get chain information.
Developed a JavaScript automation script to upload millions of products to a shopping website.
Launched an online shopping website using OpenCart 3.0.
Launched and maintained a cryptocurrency gambling game website that has thousands of users.

Technologies: C++, Blockchain, Cryptocurrency, Android, iOS, PHP, Python, Smart Contracts, Non-fungible Tokens (NFT), Trading, ERC-20, ERC-721, SQL, System Administration, Cryptocurrency Wallets, Blockchain Design, Bitcore, MetaMask, CCXT, APIs, Solana, Proof of Stake, Trade, Algorithms, Go, Decentralized Finance (DeFi), Stablecoins, Crypto, Arbitrage, Blockchain Platforms, Bots, CSS, libp2p, Decentralized Systems, Fintech, Security, Ubuntu, MacOS, Windows, Software Design, Web Security, Websites, React, Full-stack, Truffle, Web3.js, Node.js, Remix IDE, CTO, Decentralized Autonomous Organizations (DAO), Leadership, Terminal, Termius, Git, Amazon Web Services (AWS), Bash Script, Debian, Hash, Foundry, Testing, Auditing, Audits, IT Audits, Hardhat, Angular, Blockchain & Cryptocurrency, Web 3.0, Mobile Advertising, Utility Tokens, Android SDK, Android NDK, JavaScript 6, JavaScript 5, Ethers.js, GitHub, Software Architecture, Technical Leadership, Bitcoin, Lightning Network, ERC-1155, Twilio, Customized Blockchains, High-performance Computing, Stock Exchange, Digital Asset Management, Exchanges, ICO, Cryptocurrency Exchanges, Oracle, Test Scripting, Full-stack Development, UTXO

Senior Full-stack Developer

2019 - 2020

IT360

Developed a project management web platform using Microsoft Project, which included plugin applications, admin tools, and the main website for managing projects using Azure and Entity Framework.
Launched and maintained a user survey system using a Django framework. The system has hundreds of thousands of users.
Built a customized email server by hooking up transporting emails and implemented an effective bulk mail transfer.

Technologies: C#.NET, Entity 6, Azure, Python, Microsoft Project, Rust, SQL, System Administration, Bitcore, MetaMask, APIs, Algorithms, Go, Tokenomics, Crypto, CSS, Ubuntu, MacOS, Windows, Software Design, Web Security, LAN Devices, Websites, React, Full-stack, Node.js, Terminal, Termius, Git, Amazon Web Services (AWS), Bash Script, Debian, Hash, Testing, Auditing, Audits, IT Audits, .NET, Angular, JavaScript 6, JavaScript 5, Chrome, GitHub, Software Architecture, Technical Leadership, Twilio, High-performance Computing, Full-stack Development

Full-stack Developer

2015 - 2018

Self-employed

Developed coins: Londinium, Cropcoin, Quark, Mash, Printex, Rupee, VEDA, ORO, Paymeo, CSBank, PrimeStone, U-BET, LightPay, HUZU, Mastercash, BitAlly, DOMO, XimBlock, Siacoin, LAPO, Dynamic CoinMax, Master Core, EcoDollar, PayDay, and Syscoin.
Built mobile wallets for Android and iOS and block explorers using Node.js, React, Express.js, and MongoDB.
Developed tokens, including LGX, DOMO, Skytex (SKX), and Coinji on the Ethereum chain.
Built native mobile apps using Java, Kotlin, Objective-C, and Swift, and hybrid apps using React Native and Ionic.

Technologies: PHP, C++, Java, Python, HTML, C#.NET, Blockchain, Bitcoin, Smart Contracts, Non-fungible Tokens (NFT), Rust, ERC-20, ERC-721, SQL, System Administration, Cryptocurrency Wallets, Blockchain Design, Bitcore, MetaMask, CCXT, APIs, Proof of Stake, Trade, Algorithms, Polygon, Go, Stablecoins, Crypto, Arbitrage, TypeScript, Solidity Assembly, Blockchain Platforms, Bots, CSS, libp2p, Decentralized Systems, DApps, Ubuntu, MacOS, Windows, Software Design, Android, Web Security, LAN Devices, Cryptography, Websites, React, Full-stack, Truffle, Web3.js, Node.js, Remix IDE, CTO, Trading, Decentralized Autonomous Organizations (DAO), Leadership, Terminal, Termius, Git, Amazon Web Services (AWS), Bash Script, Debian, Hash, Foundry, Testing, Auditing, Audits, IT Audits, Hardhat, .NET, Angular, Cryptocurrency, Blockchain & Cryptocurrency, Web 3.0, Mobile Advertising, Utility Tokens, Android SDK, Android NDK, Qt 5, Qt, Qt 4, Linux, JavaScript 6, JavaScript 5, Brower, Chrome, Chromium, Extensions, Device Drivers, Artificial Intelligence (AI), Next.js, Ethers.js, GitHub, Software Architecture, Technical Leadership, Lightning Network, ERC-1155, Twilio, Customized Blockchains, Enterprise Loyalty Programs, High-performance Computing, Stock Exchange, Digital Asset Management, Exchanges, Fractionalization, ICO, Cryptocurrency Exchanges, Polygon EVM, Oracle, Test Scripting, Full-stack Development, UTXO

Experience

PengolinCoin

PGO is a proof-of-stake coin with master nodes and privacy. I developed the core Qt and mobile wallets, the block explorer, and wrapped PGO tokens on the Ethereum and Binance smart chains. I also made swap bots for wrapped PGO tokens and P2E games for owners of NFT tokens I made using ERC721.

AliPro

https://www.it360.biz

AliPro is a Microsoft Project-based project management platform I developed using Azure, C#.NET, and Entity Framework. The platform comprises a main project management website, Microsoft Project plugins, admin tools, and another website to get user feedback from IT360 users. I fixed numerous issues and bugs while working on this project for two years.

Cryptocurrency Jackpot Lottery

Jackpot Lottery is a gambling game site that uses cryptocurrencies, including coins I developed for this company. It uses Bitcoin, DynamicCoin, ORO, and DOMO coins. The game logic is new and unique in the world.

Skills

Languages

C++, C#.NET, Python, Solidity, PHP, Java, HTML, JavaScript, C, Rust, SQL, Go, TypeScript, Solidity Assembly, CSS, Bash Script, JavaScript 5, JavaScript 6

Frameworks

Entity 6, Laravel, Truffle, Hardhat, .NET, Angular, Android SDK, Qt, Qt 5, Chrome, Next.js

Libraries/APIs

React, Web3.js, Node.js, CCXT

Tools

Remix IDE, MetaMask, Terminal, Termius, Git, Android NDK, GitHub, Microsoft Project

Paradigms

Testing, High-performance Computing

Platforms

Ubuntu, MacOS, Windows, Android, Azure, Blockchain, Ethereum, Bitcore, Blockchain Platforms, Amazon Web Services (AWS), Debian, Linux, Twilio, Oracle, iOS

Storage

MySQL

Other

Software Design, Web Security, LAN Devices, Cryptocurrency, Cryptography, Websites, Non-fungible Tokens (NFT), IPFS, Bitcoin, Ethereum Smart Contracts, Smart Contracts, Full-stack, CTO, Trading, ERC-20, ERC-721, System Administration, Cryptocurrency Wallets, Blockchain Design, Decentralized Autonomous Organizations (DAO), APIs, Solana, Proof of Stake, Trade, Algorithms, Polygon, Tokenomics, Decentralized Finance (DeFi), Stablecoins, Crypto, Leadership, Bots, libp2p, Decentralized Systems, DApps, Security, Hash, Foundry, Auditing, Audits, IT Audits, Blockchain & Cryptocurrency, Web 3.0, Mobile Advertising, Utility Tokens, Windows 10, Qt 4, Brower, Chromium, Extensions, Device Drivers, Artificial Intelligence (AI), Ethers.js, Software Architecture, Technical Leadership, Lightning Network, ERC-1155, Loyalty Programs, Customized Blockchains, Enterprise Loyalty Programs, Stock Exchange, Digital Asset Management, Exchanges, Fractionalization, ICO, Cryptocurrency Exchanges, Polygon EVM, Test Scripting, Full-stack Development, UTXO, Arbitrage, Fintech

Education

2010 - 2014

Bachelor's Degree in Computer Engineering

National University Of Laos - Vientiane, Laos

Certifications

OCTOBER 2020 - PRESENT

Problem Solving (Basic) Skills Certification

HackerRank

Collaboration That Works

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