Candidates

Select roles
Type or select technologies
$0 - $120000+
English level

Candidate's location

Timezone: search by timezone the candidate is located in. Country/City: search by country or city the candidate is located in or willing to work in.

Oops! Seems you haven’t signed up

  • Use flexible search filters
  • Search among full list of engineers
  • Stay on top of new engineers

13 anonymous candidates

Blockchain Fullstack Developer

5+

Popular candidate! Connected by 5+ companies

  • Croatia, Rijeka
  • 5+ years
  • $48k ($4k / month)
  • Intermediate
Core technical skills
Blockchain
Solidity
Rust
React.js
Node.js
Express.js
TypeScript
JavaScript
PHP
Vue.js
Python
HTML & CSS
Web3
Solana
Go
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
FRONTEND
BACKEND
MOBILE
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Full-stack Developer (Team Lead)

    Jun 2021 - Nov 20216 months
  • Senior Full-stack Blockchain Developer

    Sep 2019 - May 20211 year 9 months
  • Blockchain Developer

    Mar 2018 - Jul 20191 year 5 months
  • Senior Full-Stack Developer

    May 2015 - Jan 20182 years 9 months

Web3 & Solidity developer

5+

Popular candidate! Connected by 5+ companies

  • Norway, Oslo
  • 3-5 years
  • $120k ($10k / month)
  • Advanced
Core technical skills
Rust
Solidity
Web3
React.js
Node.js
MySQL
Solana
Blockchain
GraphQL
React Native
PostgreSQL
TypeScript
JavaScript
AWS
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
FRONTEND
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Smart Contract Developer

    Jun 2020 - current time2 years 2 months
  • Blockchain Developer

    Aug 2018 - Mar 20223 years 8 months

Senior Web3 Engineer

5+

Popular candidate! Connected by 5+ companies

  • United States, San Jose
  • 5+ years
  • $120k ($10k / month)
  • Advanced
Core technical skills
Web3
React.js
Node.js
TypeScript
Vue.js
Python
Express.js
Solidity
Solana
Blockchain
JavaScript
PHP
GraphQL
MySQL
Docker
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
FRONTEND
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Full Stack Web3 Engineer

    Feb 2019 - current time3 years 6 months
  • Senior Full-Stack Developer

    Dec 2016 - Oct 20192 years 11 months
  • Web Developer

    Mar 2015 - Dec 201510 months
  • Software Programmer

    Jan 2014 - Dec 20141 year

Blockchain Engineer

5+

Popular candidate! Connected by 5+ companies

  • Romania, Bucharest
  • 5+ years
  • $120k ($10k / month)
  • Intermediate
Core technical skills
Blockchain
Node.js
Solidity
Rust
React.js
JavaScript
Java
MongoDB
Web3
Solana
TypeScript
Vue.js
GraphQL
Express.js
Python
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
FULL STACK
FRONTEND
DEVOPS
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain Engineer

    Jan 2020 - Mar 20222 years 3 months

    Full-Stack Engineer

    Jan 2015 - Nov 20205 years 11 months

Blockchain Full-stack engineer

  • Japan, Gifu
  • 5+ years
  • $72k ($6k / month)
  • Upper intermediate
Core technical skills
Blockchain
AWS
React.js
Vue.js
Web3
Solidity
Rust
Laravel
Django
Solana
MongoDB
MySQL
PostgreSQL
TypeScript
CI/CD
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
PM
BACKEND
QA
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain Frontend Lead and Backend support

    Jul 2021 - Feb 20228 months
  • Blockchain Project Manager

    Jan 2021 - Jul 20217 months

    Senior Blockchain engineer

    Jun 2020 - Dec 20207 months
  • Project Manager

    Jul 2019 - Jan 20207 months
  • Web Full-stack engineer

    Aug 2017 - Jul 20192 years
  • Mobile App Developer

    Jun 2016 - Jun 20171 year 1 month

Full-Stack Blockchain Developer

5+

Popular candidate! Connected by 5+ companies

  • Japan, Nagoya
  • 5+ years
  • $72k ($6k / month)
  • Advanced
Core technical skills
MongoDB
PostgreSQL
Ruby
PHP
Python
Vue.js
Blockchain
Web3
Solana
TypeScript
Rust
Solidity
Node.js
React.js
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
FRONTEND
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full-Stack Blockchain Engineer

    Feb 2020 - current time2 years 6 months
  • Senior Software Engineer

    Feb 2016 - Sep 20193 years 8 months
  • Software Engineer

    May 2010 - Oct 20155 years 6 months

Senior Blockchain Engineer

5+

Popular candidate! Connected by 5+ companies

  • Canada, Montreal
  • 5+ years
  • $170k ($14.2k / month)
  • Advanced
Core technical skills
PostgreSQL
Redux
Docker
Solana
React.js
Express.js
Go
TypeScript
Blockchain
Web3
Python
AWS
JavaScript
Rust
Solidity
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
FRONTEND
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Blockchain Engineer

    Oct 2021 - current time10 months
  • Senior Software Engineer

    Aug 2019 - Oct 20212 years 3 months
  • Full Stack Engineer

    Jan 2017 - Apr 20192 years 4 months
  • Web Developer

    Feb 2013 - Nov 20163 years 10 months

Blockchain Data Scientist

  • United States, Dallas
  • 1-3 years
  • $125k ($10.4k / month)
  • Advanced
Core technical skills
Blockchain
PostgreSQL
Solana
Python
Data Science
Web3
Solidity
HTML & CSS
Achievements / Key results
- Business Intelligence Analyst with a background in E-Commerce. - Skilled in Python, pandas, and Solidity. - Built a Web3 client app to interact with the contract. - Wrote and deployed a Solana program on Rust, Ethereum smart contracts using JS & Solidity, created an NFT, and deployed to a public network.
Considering roles
DATA SCIENCE
UI/UX DESIGN
FRONTEND
QA
PM
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Digital Marketer

    Mar 2021 - current time1 year 5 months
  • E-Commerce Marketing Director

    Mar 2020 - Mar 20211 year 1 month
  • E-Commerce Specialist

    Oct 2018 - Mar 20201 year 6 months
  • Digital Marketing Manager

    Sep 2017 - Jul 201811 months
  • Web Content Administrator

    May 2016 - Aug 20171 year 4 months
  • E-Commerce Consultant

    Jun 2014 - current time8 years 2 months
  • Web Designer

    Jun 2014 - Sep 20151 year 4 months
  • Webmaster

    Jan 2014 - Jan 20151 year 1 month
  • Website Manager

    Jun 2013 - Oct 20141 year 5 months

Senior Blockchain Engineer

5+

Popular candidate! Connected by 5+ companies

  • Germany, Frankfurt
  • 5+ years
  • $72k ($6k / month)
  • Upper intermediate
Core technical skills
GraphQL
TypeScript
JavaScript
Vue.js
Node.js
Solana
Web3
React.js
Rust
Solidity
Blockchain
Achievements / Key results
- Worked on the development and implementation of new blockchain technologies and completed professional market research. - Wrote smart contracts using Solidity and Rust on several networks such as Ethereum, Binance Smart Chain, Fantom, Cardano and Polygon. - Participated in testing and auditing of new Blockchain applications and smart contracts. - Forked famous dAPPs successfully, for example Tome Finance, Olympus DAO, Pancakeswap and Titano. - Developed NFT Marketplace, NFT Game, Game BOT and Discord DMs Bot from the beginning including frontend and backend.
Considering roles
FRONTEND
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Blockchain Developer

    Jun 2017 - Jun 20214 years 1 month

Staff Data Engineer

  • United States, Seattle
  • 5+ years
  • $216k ($18k / month)
  • Advanced
Core technical skills
DevOps
PostgreSQL
Go
Rust
Java
AWS
Kafka
Big Data
Solana
Python
Achievements / Key results
- My 3-person team built a replacement for AWS Elasticsearch on bare EC2 instances, which saved our company millions per year. - Operated many Elasticsearch and Kafka clusters with zero downtime using Terraform and Ansible. - Implemented a platform solution for a distributed time series database using Puppet and Ansible. - Refactored metric and log collection across dozens of software and database applications for many teams, including data pipelines, visualization, and alerting. - Implemented custom APIs in several programming languages.
Considering roles
BACKEND
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Staff Data Engineer

    Nov 2020 - current time1 year 9 months
  • Staff Data Engineer

    Nov 2020 - current time1 year 9 months
  • Cloud Software Engineer

    Mar 2016 - Nov 20204 years 9 months
  • Senior Software Engineer

    Aug 2013 - Mar 20162 years 8 months
  • Drupal Developer

    Aug 2012 - Aug 20131 year 1 month
  • Drupal Developer

    Apr 2012 - Aug 20125 months

    Marketing Assistant and Content Manager

    Feb 2012 - Apr 20123 months
  • Drupal Developer and Content Writer

    Apr 2011 - Jul 20121 year 4 months
  • Writer/Market Intelligence Researcher

    Jan 2009 - Dec 20113 years

Senior Web3 Developer

5+

Popular candidate! Connected by 5+ companies

  • Slovenia, Municipality of Ivančna Gorica
  • 5+ years
  • $96k ($8k / month)
  • Intermediate
Core technical skills
MySQL
PHP
MongoDB
Express.js
Node.js
Solana
Web3
Blockchain
Vue.js
TypeScript
JavaScript
React Native
React.js
Solidity
Rust
Achievements / Key results
• Delivered from scratch a crypto exchange website. • Created a validator named "hellenium" on the Stellar network. • Developed web apps for a project management. • Proven expertise in: fintech, e-comm, web3, NFT, Solana, Tron, Stellar, Ethereum.
Considering roles
FRONTEND
BACKEND
FULL STACK
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain & Web Developer

    May 2019 - Aug 20212 years 4 months
  • Blockchain & Web Developer

    Jul 2018 - Aug 20191 year 2 months
  • Web Developer (MERN)

    Sep 2016 - Apr 20181 year 8 months
  • Web Developer

    Aug 2014 - Apr 20159 months

Smart contract developer

  • Singapore, Singapore
  • 1-3 years
  • $100k ($8.3k / month)
  • Intermediate
Core technical skills
Blockchain
Solidity
Data Science
Machine Learning
Python
Big Data
TypeScript
Rust
Solana
MySQL
Achievements / Key results
•Developed cryptocurrency trading prediction engine of 95% accuracy in Binance Smart Chain with ML. • Audited smart contracts and found security gaps. • Since 2017 delivered the crypto exchanges (P2P and CEX), blockchain forks, tokens (ERC-20, ERC-721 NFT), DeFi and Ethereum mass payment tools with low gas consumption. • Chains: Ethereum, Binance, Polygon, Avalanche, Solana.
Considering roles
BACKEND
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain Developer

    Oct 2018 - Nov 20213 years 2 months

Blockchain Developer

  • Pakistan, Lahore
  • 1-3 years
  • $100k ($8.3k / month)
  • Advanced
Core technical skills
Solidity
Node.js
Rust
Blockchain
JavaScript
Web3
Solana
Achievements / Key results
- Delivered a challenging Minecraft inspired P2E Metaverse project with most advanced and innovative smart contract features. - Engaged on smart contract deployment for P2E NFT Games
Considering roles
BACKEND
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Lead Full Stack Developer

    Sep 2018 - current time3 years 11 months