Web3-mobile

Blockchain and FullStack developer

Singapore, Singapore
5+ years
$48k ($4k / month)
Advanced

Core technical skills
Achievements / Key results: I am a Full Stack developer with rich experience in Blockchain and the Web. I am always trying to learn new technology and running for a high goal. Before I get satisfied result, I will work hard and never rest. My main goal is to provide reliable communication and successful outcomes to my client using my skills and rich experience. These are my skills. In terms of Blockchain, - Smart contract building using Solidity, Rust in Ethereum, Binance, Polygon, Fantom, Solana, Cardano, and Terra Networks. - Frontend integration in use of web3.js, ether.js and can integrate Binance API, Coinbase API, Coin Payments API, Moralis API, Infura API -Have rich experience in making Token mint, swap, staking, Farming, and NFT marketplace(mint, buy, sell) For Frontend -Expert at making projects using React.js, Vue.js, Next.js, Nuxt.js, Three.js, MUI, Ant design, TailwindCss, Sass, etc -Have no difficulty designing in use of Figma and XD and also reproducing pixels as perfectly as your demand. For Backend -Node.js, Nest.js, Laravel, Yii, Django, Ruby on Rails -MySQL, MongoDB, Firebase, PostgreSQL Thank you for your reading.
Considering roles
Ready to work: remotely

virtual assistant

Egypt, Cairo
5+ years
$72k ($6k / month)
Upper intermediate

Core technical skills
Achievements / Key results: several big projects from 2019 to 2023
Considering roles
Ready to work: remotely

Front-end developer React/React native

Netherlands, Amsterdam
3-5 years
$108k ($9k / month)
Advanced

Core technical skills
Achievements / Key results: • Develop, design, market, and manage the app Bite • Ensure that the team meets design and business requirements incorporating user testing and Agile methodology. • Increased the number of active application users by implementing a framework that allowed the development team to build applications using a responsive design approach. • Lead the development of a mobile application, emphasizing user experience, efficiency, and maintainability, using React Native, Firebase, redux, native code, and various libraries. • Offer guidance and instruction to a working group regarding a project or portfolio of projects they are currently undertaking. • Develop an IoT application for a large insurance company in the Netherlands, using C# to create connections with the devices and push the boundaries of hybrid development. • Manage the scrum process for the development team, leading team sprints, communicating with stakeholders, managing the team sprints, and assisting junior developers with their goals and growth in the development process. • Drive project delivery success rate up to 95%, allowing timely delivery of features and products to customers and proactively addressing quality issues to reduce risk in future releases and maintaining a 95% test coverage. • Delegate work, ensure progress toward goals, and coach team members when needed.
Considering roles
Ready to work: remotely

Frontend (React/React Native) Engineer

Poland, Wrocław
5+ years
$132k ($11k / month)
Upper intermediate

Core technical skills
Achievements / Key results: • Reduced staking validators list loading speed and battery consuming on mobile by 12x, by adding filters and possibility to grab them from BE and make requests on node RPC as BE fallback • Implemented app monetization monthly subscription integration by Stripe • Reduced testing cost by 4x implementing e2e tool for project • Improved deliver product speed 2x by improving development workflow and integrated CI/CD with Bitbucket Pipelines and AWS(EC2, S3) and auto testing processes(Puppeteer, Jest, Cucumber) which • Optimized db request by separating PostgreSQL DB to RDS from EC2 instance for providing better tools for DB
Considering roles
Ready to work: remotely

Senior web3 Frontend Engineer

Bulgaria, Sofia
5+ years
$72k ($6k / month)
Advanced

Core technical skills
Achievements / Key results: 1. Built AMM of Snowswap similar to Curve Finance. As a frontend lead I led the entire implementation of SnowSwap AMM frontend and built the design system of the company. 2. On DanAds, Built the Dashboard of Spotify's advertising provider using Next.js, Typescript. Contributed to API implementation from multiple advertising providers. 3. Built CBDC Wallet using React Native which is having an online and offline function.
Considering roles
Ready to work: remotely

Front-end Web3 Developer

Cameroon, Cameroon
3-5 years
$180k ($15k / month)
Elementary

Core technical skills
Achievements / Key results: - Leading a mobile and web team of MiQo products Dreamcash Cameroon S.A - I create a marketplace App named MAKIT - Each time I start on a project I end up leading it - I started Web3 projects
Considering roles
Ready to work: remotely

Blockchain Fullstack Developer

Croatia, Rijeka
5+ years
$48k ($4k / month)
Intermediate

Core technical skills
Achievements / Key results: Starting from middle of 2018 began proactively working on blockchain related projects as a Blockchain software engineer. My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, auditing and development for Fintech and other industries that need the power of decentralization, tokenization, and smart contracts. Expertise in Public Blockchain Platforms: Ethereum | Solana | Binance Smart Chain ✓ Developing smart contracts by Solidity and Rust programming languages. ✓ Developing RPC using client libraries such as Web3js. ✓ Static analysis of smart contracts for gas consumption and optimization using Remix IDE. ✓ Securing smart contracts using libraries like OpenZeppelin. ✓ Developing Ethereum dApps using Truffle framework. ✓ Integration with crypto wallets such as Metamask & Phantom. ✓ Deploying smart contracts on test networks such as ropsten/rinkeby as well as ethereum/solana mainnet. Expertise in Private & Consortium Blockchain Platforms Hyperledger Fabric ✓ Developing Chaincode using the Go programming language. ✓ Developing proof of concepts using Hyperledger Composer. ✓ Integration with Fabric Java SDK. ✓ Creating RESTful APIs for client applications to communicate with the blockchain network. ✓ Creating channels, orderers, and peers. ✓ Deployment and instantiation of Chaincode on channels on cloud services like IBM Bluemix and Amazon AWS. I hold expertise with: - Solidity / Rust / Golang - React.js / Express.js / Vue.js / Next.js / Angular.js / Redux /Node.js - Laravel - MySQL / MongoDB / PostgreSQL / MSSQL - Heroku / VPS / Amazon Web Services (AWS) / Digital Ocean - Github, Gitlab, Bitbucket, Trello, Backlog, etc. Here are the applications that I've built so far. - Dapp, DeFi development - NFT game/marketplace development on Ethereum & Solana blockchains in Solidity & Rust - Ethereum & Binance Smart Chain token development on ERC20, ERC721, ERC1155, BEP20, BEP721 & BEP1155 protocols - ICO / ITO / IDO / STO, Cryptocurrency exchange & Cryptocurrency wallet Development Further Expertise & Work Deliverables in Blockchain: ✓ DApp for Supply Chain Management for Food Industry ✓ DApp implementation in Philanthropy ✓ DApp for Anti-Counterfeiting in the Pharmaceutical Industry ✓ Worked on Protocols like Ethereum, IBM Hyperledger, Stellar ✓ SetUp of a Permission-based Consortium Network ✓ Implementation of Private, Public and Permission-based network Thanks.
Considering roles
Ready to work: remotely

Senior Frontend Engineer

Slovenia, Municipality of Ivančna Gorica
5+ years
$96k ($8k / month)
Intermediate

Core technical skills
Achievements / Key results: • Delivered from scratch a crypto exchange website. • Created a validator named "hellenium" on the Stellar network. • Developed from scratch an online casino betting website. • Developed web apps for a project management. • Proven expertise in: fintech, e-comm, web3, NFT, Solana, Tron, Stellar, Ethereum.
Considering roles
Ready to work: remotely

Frontend Lead Developer

United States, Round Rock
5+ years
$180k ($15k / month)
Advanced

Core technical skills
Achievements / Key results: • ex. PayPal, delivered custom tools to improve the developer's workflow as well as user-facing features. • Tech refresh to a platform with more than 300 million users • Frontend architecture at Fortune 100 company
Considering roles
Ready to work: remotely

Full stack developer

Canada, Hamilton
5+ years
$84k ($7k / month)
Upper intermediate

Core technical skills
Achievements / Key results: 6+ years experienced web & mobile development professional armed with hands-on experience in designing & deploying highly responsive UI components using JavaScript libraries and frameworks. Good at improving product performance by testing & debugging codes to boost overall performance while delivering maximum client satisfaction.
Considering roles
Ready to work: remotely

Senior Full Stack Engineer

Canada, Greater Sudbury
5+ years
$90k ($7.5k / month)
Advanced

Core technical skills
Achievements / Key results: I have vast experience in building many fancy dApps/Apps for the last 7 years which might be helpful for someone/team who is looking for a passionate and detail-oriented Full Stack & Web3 Engineer!
Considering roles
Ready to work: remotely

Full Stack Blockchain developer

Australia, Melbourne
5+ years
$96k ($8k / month)
Advanced

Core technical skills
Achievements / Key results: • Last 3 years worked on: Trading bot, NFT marketplace, NFT game development, DEX, Centralized Crypto Exchange, Trading Platform, Yield Farming Protocols, Crypto Betting and Casino. • Optimized SQL queries for the heavy-load parts of the system, which improved website responsiveness and reduced the database costs by 20%. • Simplified reporting to deliver actionable information to servers, resulting in multiple servers achieving financial stability by coming in under budget by 2% or more. • Partnered with data scientists to develop the front end for a product recommendation engine that increased user engagement on page by over 200%.
Considering roles
Ready to work: remotely

Product manager

Netherlands, Amsterdam
5+ years
$36k ($3k / month)
Advanced

Core technical skills
Achievements / Key results: Build, Measure, Learn.
Considering roles
Ready to work: remotely

Full Stack Software Engineer

Nigeria, Lagos
5+ years
$120k ($10k / month)
Advanced

Core technical skills
Achievements / Key results: • Worked on amazing projects such as e-commerce sites, CRM, online marketing platform, social networking app, e-procurement app, insurance website, restaurant e.t.c • Delivering edtech content to the community on my YouTube channel • Publishing blog articles on dev.to • Increased performance & ranking of apps by incorporating SEO best practices to drive more traffic and increase sales.
Considering roles
Ready to work: remotely

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Blockchain and FullStack developer

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