Solidity

Blockchain Fullstack Developer

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

Core technical skills
Achievements / Key results: As a team lead at Automatic, built website FE using React material-UI, integrated smart contracts using web3 and built back-end using Node.js. I have built crypto wallet like Tornado, implemented Zk-SNARK using Solidity. I've been involved other blockchain products : NFT marketplace, DEX, Centralized Crypto Exchange, NFT and Crypto Staking. (Solana, Ethereum, Solidity, Rust, Truffle, Remix, Web3, MERN/MEAN) Strong experience in developing large-scale concurrent, event-driven distributed systems, as well as working on public-key cryptography, blockchain.
Considering roles
Ready to work: remotely

Frontend Lead Developer

United States, Round Rock
5+ years
$216k ($18k / 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

Web3 & Solidity developer

Norway, Oslo
3-5 years
$120k ($10k / month)
Advanced

Core technical skills
Achievements / Key results: • Built Dex, Farming, Stacking, Pool, NFT card & Casino game, NFT Marketplace, ICO, IDO on Ethereum and Solana protocol. • Designed and developed a website, including optimized check-out page that increased user clicks, and subsequently customer purchases by 20%. • Implemented server that expedited document generation and search functionality by 23% • Designed processes for cleanup and performance improvement, that minimized downtime by 13%
Considering roles
Ready to work: remotely

Staff Engineer / Team Leader

Vietnam, Dalat
5+ years
$100k ($8.3k / month)
Advanced

Core technical skills
Achievements / Key results: * Uploaded +30m json music metadata documents to IPFS using golang. * Written a Metadata Reference Token smart contract in Solidity with significant tests written in typescript. * 20+ years software development experience in various roles.
Considering roles
Ready to work: remotely

Web3 Engineer

India, Mumbai
Less than 1 year
$24k ($2k / month)
Upper intermediate

Core technical skills
Achievements / Key results: Won prizes at 3 major web3 hackathons, including Chainlink Fall '21 hackathon and Harmony Bridging TradFi - DeFi hackathon. Leading the dev team @Cryptocase, an early stage startup making crypto investments more accessible and safer for the user.
Considering roles
Ready to work: remotely

Senior Web3 Engineer

United States, San Jose
5+ years
$120k ($10k / month)
Advanced

Core technical skills
Achievements / Key results: - As a primary Web3 engineer, took part in development of Web3 product that has 80K customers now - Wrote automated tests for various products and increased productivity and performance - Crafted SEO strategy and intuitive interface for various websites to achieve prominent rankings across top browser platforms - Owned, designed and implemented 3 MVPs from scratch and increased the fundings for the products
Considering roles
Ready to work: remotely

Senior Full-Stack Developer

China, Jilin City
5+ years
$100k ($8.3k / month)
Advanced

Core technical skills
Achievements / Key results: - Built several smart contracts and programs for minting and trading NFTs on Ethereum and Solana blockchain. Developed front-end web pages running on Binance chain and Solana using Web3 and Next.js. - Designed, architected, and implemented both the front-end of the mobile web and the backend REST API server using Angular Ionic and Django. Created a system of event messaging using Django channels and Redis. - Developed a new Veritrans Golang payment implementation.
Considering roles
Ready to work: remotely

Blockchain Developer

United States, Canton
1-3 years
$110k ($9.2k / month)
Advanced

Core technical skills
Achievements / Key results: - developed and maintained AMM exchange - developed and maintained blockchain Ethereum bridge - developed and maintained NFT marketplace and subgraphs - audited smart contract security
Considering roles
Ready to work: remotely

Full-Stack Blockchain Developer

Canada, Toronto
5+ years
$180k ($15k / month)
Advanced

Core technical skills
Achievements / Key results: - Built automated trading strategies on Uniswap and QuickSwap. Supported limit orders on the Ethereum Mainnet and Polygon (Matic). Built and tested smart contracts - Delivered payment system integration of Game rewards token - Built NFT token (DPET) for handling game events like collecting breeding, evolve, battle - Optimized the web marketing by performing the tasks of SEO, PPC, conversion optimization, social media and site analysis etc.‎‎‎
Considering roles
Ready to work: remotely

Full Stack Engineer

Japan, Matsuyama
3-5 years
$60k ($5k / month)
Upper intermediate

Core technical skills
Achievements / Key results: * Implemented websites, mobile applications, and landing pages from concept through deployment. In-depth understanding of blockchain architectures and a clear understanding of how various blockchain platforms differ. * Reduce the burden on the UI system by building a user-friendly interface and using an optimization algorithm. * Contribute to component level features’ design and development. * Implemented MVC/MVW architecture using Servlet, Django, JavaScript, jQuery, Nodejs, and RESTful.
Considering roles
Ready to work: remotely

Fullstack + Web3 + Blockchain Developer

United States, Garden City
5+ years
$100k ($8.3k / month)
Advanced

Core technical skills
Achievements / Key results: • Having dedicated myself to build NFT marketplace, NFT minting sites, DeFi and DEX platforms in the last couple of years. • Great experience in leading the team consists of 5-10 web engineers. • Got involved in building 30+ live websites so far and have 16+ years of fullstack, 3+ years blockchain experience under my belt.
Considering roles
Ready to work: remotely

Blockchain Developer

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

Core technical skills
Achievements / Key results: • Developed product tours feature improving customer adoption by 25% leading to increased revenue by $1M. • Worked with UX/UI design teams to improve existing apps and increase conversion rates by 20%. • List of products include an ICO, a property transfer Dapp, a token management Dapp, smart contracts.
Considering roles
Ready to work: remotely

Blockchain Engineer

Romania, Bucharest
5+ years
$120k ($10k / month)
Intermediate

Core technical skills
Achievements / Key results: - Working with the Ethereum network for ICO & wallet connect on website using various wallet apps. - Smart Contract using ERC20, ERC721, ERC1155, BEP20, SPL(Token, NFT marketplaces), DeFi(Decentralized Finance), DApps such as Lending, Staking, Banking, CEX/DEX. - NFT Apps such as minting sites and marketplace based on ETH, BSC and Solana using Solidity, Rust, Web3.js, Web3.py.
Considering roles
Ready to work: remotely

Blockchain Full-stack engineer

Japan, Gifu
5+ years
$72k ($6k / month)
Upper intermediate

Core technical skills
Achievements / Key results: Worked at Crystl Finanace ($1.5M market cap) Delivered DeFi platform like pancake swap. Have experience in developing NFT and DAO.
Considering roles
Ready to work: remotely

Full-Stack Blockchain Developer

Japan, Nagoya
5+ years
$72k ($6k / month)
Advanced

Core technical skills
Achievements / Key results: • Built from scratch NFT drop platform to mint vetted collections(frontend, backend, smart contracts) • Built user owned NFT gallery and marketplace (frontend, backend, smart contracts) • Built BI tool that houses many robust integration capabilities - integrated with Data warehouses, set up SQL queries to pull subsets of data for visualizations, delivered dashboards and datasource featuers using many languages.
Considering roles
Ready to work: remotely

Team Lead / Senior Software Engineer

France, Paris
5+ years
$150k ($12.5k / month)
Upper intermediate

Core technical skills
Achievements / Key results: • I designed an architecture to make a million databases communicate together. • I recruited and managed a team of 10 developers who where very grateful to me for having made them progress so much. • I helped a company to deliver a product for their clients to raise for millions of $ in ICO.
Considering roles
Ready to work: remotely
paris

Senior Blockchain Engineer

Canada, Montreal
5+ years
$170k ($14.2k / month)
Advanced

Core technical skills
Achievements / Key results: • Investigated various optimizations to Ethereum transaction throughput and gas cost for IDEX (the biggest on-chain exchange). • Designed and deployed smart contracts for tokens and ICOs including token vesting, refund vaults, and multi-signature wallets. • Build NFT Marketplace for Digital Art Project and deploy on BSC. • Automated workload provisioning using infrastructure-as-code (CloudFormation) such that white labeling would be possible.
Considering roles
Ready to work: remotely

Head of Partnerships

United States, Bozeman
5+ years
$216k ($18k / month)
Advanced

Core technical skills
Achievements / Key results: - Negotiated and implemented key technology partnerships, plugging product gaps and enhancing the product experience - Achieved > $10M in influenced recurring revenue through partnerships. - Implemented cross functional common services such as Auditing, Message Passing and Notifications, speeding time to market of all products - Secured internal systems Prior to Cloudflare - PM & Engineer at high frequency trading software, former founder.
Considering roles
Ready to work: remotely
sydney
bozeman

Software Engineer

United States, New York
Less than 1 year
$120k ($10k / month)
Advanced

Core technical skills
Achievements / Key results: I’ve built the following projects recently: ~ A dungeon crawling video game (Phaser, TypeScript, React) ~ An idle clicker game (HTML & CSS) ~ A single page application to track employees & jobs (React, Express, Sequelize) ~ A single page app that can write to the ETH blockchain & access information from them (React, Solidity) ~ 2 basic smart contracts & own ERC-20 tokens (Solidity)
Considering roles
Ready to work: remotely
new york

Smart Contract Developer

China, Jilin City
5+ years
$120k ($10k / month)
Advanced

Core technical skills
Achievements / Key results: • Developed and maintained a Java-based enterprise-level solution for Network Management System. • Designed and implemented Japanese matching service, which have 100K users every month • Integrated major payment gateways like PayPal, Stripe into EC sites, which generates core revenue. • Contributed to the major GameFi product, which is listed in top ranking NFT games. • Provided leadership as a subject matter expert on hosting issues, client and staff logins
Considering roles
Ready to work: remotely

Candidates

Oops! Seems you haven’t signed up

Blockchain Fullstack Developer

Frontend Lead Developer

Web3 & Solidity developer

Staff Engineer / Team Leader

Web3 Engineer

Senior Web3 Engineer

Senior Full-Stack Developer

Blockchain Developer

Full-Stack Blockchain Developer

Full Stack Engineer

Fullstack + Web3 + Blockchain Developer

Blockchain Developer

Blockchain Engineer

Blockchain Full-stack engineer

Full-Stack Blockchain Developer

Team Lead / Senior Software Engineer

Senior Blockchain Engineer

Head of Partnerships

Software Engineer

Smart Contract Developer

Coinbase

Binance

Near

GlobalID

Consensys