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

81 anonymous candidates

Solidity developer (Blockchain)

  • India, Kolhapur
  • 1-3 years
  • $24k ($2k / month)
  • Advanced
Core technical skills
JavaScript
React.js
HTML & CSS
Blockchain
Solidity
Achievements / Key results
I have 1.6 years of experience in Html, Css, Javascript, React js and WordPress
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Java developer

    Jul 2022 - current time9 months
  • React Developer

    Dec 2021 - current time1 year 4 months
  • Web Developer

    Mar 2020 - Feb 20211 year

Senior Web Developer

  • Germany, Leverkusen
  • 5+ years
  • $48k ($4k / month)
  • Intermediate
Core technical skills
React.js
JavaScript
Node.js
MySQL
TypeScript
HTML & CSS
Redux
Solidity
Python
MongoDB
Web3
Vue.js
Blockchain
GraphQL
PHP
Achievements / Key results
I have 5+ years PHP experience and also have rich experience in Backend developing using Laravel and wordpress. I offer our customers the best in fashion and design, fast websites, and glamor and sophistication and high quality. Sincerely Hope to work with you Thank you
Considering roles
FRONTEND
FULL STACK
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Seinor

    Jun 2022 - current time10 months

Front end developer

  • Germany, Berlin
  • 5+ years
  • $40k ($3.3k / month)
  • Advanced
Core technical skills
JavaScript
Web3
Solidity
React.js
HTML & CSS
Achievements / Key results
I have launch successful 5 defi projects as full stack developer
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Software Engineer

    Apr 2022 - Sep 20226 months
    Company size

    51 - 200 people

  • Full-stack Developer

    Jan 2022 - Apr 20224 months
    Company size

    51 - 200 people

  • Full Stack Engineer

    Aug 2021 - Nov 20214 months
    Company size

    501 - 1000 people

  • Software Engineer

    Nov 2020 - Jan 20221 year 3 months
    Company size

    2 - 10 people

  • Software Engineer

    Oct 2020 - Dec 20203 months
  • Data Analytics Consulting

    Jun 2020 - Aug 20203 months
    Company size

    10001+ people

  • CTO and software engineer

    Jan 2020 - Jan 20211 year 1 month
  • CTO and chief software architect

    Jan 2020 - Apr 20211 year 4 months
  • Website and application development

    Apr 2019 - Jan 20211 year 10 months
  • Software Engineer

    Dec 2017 - Jun 20187 months

Senior Front-end Engineer

  • United States, Phoenix
  • 5+ years
  • $84k ($7k / month)
  • Upper intermediate
Core technical skills
Solidity
Rust
Node.js
React.js
Web3
Angular.js
TypeScript
MongoDB
MySQL
AWS
Azure
Solana
Achievements / Key results
Ethereum and Solana websites such as DApp, minting and staking … by using web3.js 12 web projects related to web marketing, MERN and MEAN, Google Analytics, data analysis and SEO in last half year. Led frontend development and web3 integration in developing large-scale project, such as marketplace and swap sites on solana chain. Developed minting, staking and other NFT related sites such as minting bot.
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Front-end Engineer

    Sep 2021 - Jul 202211 months
  • Senior Front-end Engineer

    Oct 2017 - Aug 20213 years 11 months
  • Senior Front-end Engineer

    Sep 2014 - Sep 20173 years 1 month

Certified Smart Contract Developer

  • Singapore, Singapore
  • 5+ years
  • $60k ($5k / month)
  • Advanced
Core technical skills
Web3
Node.js
Ruby
Vue.js
React.js
Python
Solidity
Achievements / Key results
Developed Defi bot - Chose most profitable Strategy Deployed 10+ Smart Contract. Built Several DApps. Conducted security audits of Solidity smart contracts. Implemented interaction with Ethereum smart contracts using JavaScript and web3.
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

    Jan 2022 - Sep 20229 months
  • Full Stack Developer

    Aug 2021 - Nov 20214 months
  • Blockchain Developer

    Jun 2019 - Jul 20212 years 2 months
  • Full Stack Developer

    Mar 2015 - Jul 20172 years 5 months

Senior Software Enginner

  • Honduras, San Pedro Sula
  • 5+ years
  • $120k ($10k / month)
  • Advanced
Core technical skills
Node.js
Docker
Unit Testing
Solidity
MongoDB
MySQL
Go
TypeScript
Rust
Microservices
AWS
Achievements / Key results
• Developed from the ground up and maintained a client-side web app and REST Api services for an e-commerce site for 5k restaurant owners users to purchase directly from the distributors with a small team of engineers. • Developed inventory system, recipe management system, item search with commonly used abbreviations. • Implemented a queue/job system to handle multiple processes in the background to balance the load of the site and not interrupt the users with their orders submissions • Improved load speed for listing thousands of items with their respective prices to multiple users by precomputing the data. • Developed a browser extension to make users view their rebates on distributor sites. • Developed an OAuth system for external developers to have access to our company's APIs
Considering roles
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Software Engineer

    Dec 2015 - current time7 years 4 months

Blockchain Developer

  • India, Pune
  • 1-3 years
  • $24k ($2k / month)
  • Upper intermediate
Core technical skills
Blockchain
Web3
Solidity
Node.js
React.js
JavaScript
HTML & CSS
MongoDB
Achievements / Key results
- Developed Smart Contract for NFT Collection. - Developed web3 part of a racing game and connect it with smart contract. - Created methods for minting NFT with gas less merkle root.
Considering roles
FRONTEND
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Chief Technology Officer

    Mar 2022 - current time1 year 1 month
  • Web Development and Designing

    Mar 2022 - Apr 20222 months
  • Web Developer

    Feb 2022 - Feb 20221 month
  • Web Developer

    Jan 2022 - Feb 20222 months
  • Developer

    Aug 2021 - Mar 20228 months

Smart Contract Developer

  • Singapore, Singapore
  • 5+ years
  • $120k ($10k / month)
  • Advanced
Core technical skills
HTML & CSS
Blockchain
Web3
Google Cloud
AWS
Vue.js
React.js
JavaScript
Java
Solidity
Go
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
FRONTEND
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain engineer

    Aug 2021 - Feb 20227 months
  • Blockchain Developer

    Jul 2021 - Nov 20215 months
  • Software Engineer

    Jan 2020 - Jul 20211 year 7 months
  • Software Engineer

    Oct 2018 - Jan 20201 year 4 months
  • Web Application Engineer

    May 2014 - Jan 20183 years 9 months

Senior Blockchain & Full Stack Engineer

  • Japan, Tokyo
  • 5+ years
  • $80k ($6.7k / month)
  • Upper intermediate
Core technical skills
Solidity
Rust
React.js
Node.js
Python
Achievements / Key results
Hi, greetings This is Alex - a Senior Blockchain & Full Stack Engineer. I have 3+ years of experience with Blockchain and 7+ years with Full Stack. Have worked on several blockchain projects - launching, staking, breeding, minting, burning, bridge, proxy, on/off chain using oracle and chain link, swap and market platforms on several networks - EVM, Solana You can see my experiences on the attached resume. I am interested in this job and would like to work on it. Thanks and regards
Considering roles
FULL STACK
FRONTEND
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Blockchain Developer

    Feb 2022 - current time1 year 2 months
    Company size

    2 - 10 people

  • Blockchain & Full Stack Developer

    Nov 2021 - Apr 20226 months
  • Solidity & Web3 Developer

    Oct 2021 - Feb 20225 months
  • Blockchain Developer

    Aug 2021 - Jan 20226 months
  • Blockchain & Backend Developer

    Jan 2021 - Jul 20217 months
  • Senior Software Engineer

    Oct 2020 - Jul 202110 months
    Company size

    11 - 50 people

  • Back End Developer

    Jun 2020 - Dec 20207 months
    Company size

    11 - 50 people

  • Frontend Developer (Web3)

    Oct 2019 - May 20208 months
  • Senior Full Stack Developer

    Aug 2019 - Jul 20212 years
    Company size

    11 - 50 people

  • Full Stack Developer

    Jan 2017 - Aug 20181 year 8 months
    Company size

    11 - 50 people

Go/Blockchain developer

  • Georgia, Tbilisi
  • 5+ years
  • $96k ($8k / month)
  • Upper intermediate
Core technical skills
Go
Python
Solidity
Data Science
Machine Learning
Design system
Achievements / Key results
- Migrate blockchain api service from JS to Golang. - Implement The Graph instead of querying blockchain nodes, saving on queries to Infura. - During my work in Teletarget, i implemented a DMP for more efficient ads recommendation based on user clustering. CTR was increase in 1.3 times. - Realized high performance go servers, which can handle 100k queries per minute. - Had launched 5 my own projects
Considering roles
BACKEND
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Go Blockchain Developer

    Mar 2022 - current time1 year 1 month
  • Software Development Engineer & ML Engineer

    Sep 2020 - Mar 20221 year 7 months
  • Freelance

    Dec 2019 - Sep 202010 months

    Предприниматель

    Aug 2018 - Feb 20197 months
  • Product owner

    Sep 2019 - Dec 20194 months
  • Python Backend Developer

    Feb 2019 - Aug 20197 months
  • IT Project Manager

    Jul 2017 - Aug 20181 year 2 months
  • Python-разработчик

    Feb 2015 - Jul 20172 years 6 months

Senior Full-Stack Developer

10+

Popular candidate! Connected by 10+ companies

  • Bosnia and Herzegovina, Rijeka
  • 5+ years
  • $48k ($4k / month)
  • Intermediate
Core technical skills
React.js
Solidity
TypeScript
Node.js
React Native
Web3
MySQL
MongoDB
Rust
Blockchain
Vue.js
HTML & CSS
Express.js
Python
JavaScript
Achievements / Key results
• Delivered DEX and Centralized Crypto Exchange • Developed Advanced Trading Platform: stocks, CFD, Forex, Option, Futures, and more • Developed trading bot with strong strategies: front running, snipping, arbitrage, contract bot • Built NFT minting & marketplace for DApp, NFT Game platform (Ethereum, Solidity, Binance, Cardano) • Built NFT marketplace (Metaplex, Solana) • Built crypto Collectible Platforms and Non-Fungible Tokens • Built Yield Farming & Staking Protocols
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

  • Front End & Mobile Developer

    Jul 2016 - May 201711 months

Blockchain Full-stack engineer

5+

Popular candidate! Connected by 5+ companies

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

Experience

  • Blockchain FullStack developer

    Mar 2022 - Jun 20224 months
  • 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

Senior Blockchain Engineer

  • Greece, Serres
  • 5+ years
  • $108k ($9k / month)
  • Advanced
Core technical skills
Express.js
Node.js
Solidity
Web3
React.js
TypeScript
JavaScript
Achievements / Key results
I have been developing Full Stack application for over 6 years. Have developed many smart contracts with solidity and dapps using web3. Have experience to lead the dev team in startup company.
Considering roles
FRONTEND
BACKEND
FULL STACK
PM
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Lead Engineer

    Jan 2020 - current time3 years 3 months
  • SENIOR WEB3 FRONTEND ENGNEER

    Jun 2018 - Dec 20191 year 7 months
  • Full Stack Engineer

    Jul 2016 - May 20181 year 11 months

Senior FullStack + Blockchain Developer

  • Ukraine, Raukhivka
  • 3-5 years
  • $48k ($4k / month)
  • Advanced
Core technical skills
API testing
C++
GraphQL
MySQL
MongoDB
AWS
TypeScript
JavaScript
Node.js
Express.js
React.js
Web3
Rust
Solidity
Blockchain
Achievements / Key results
Operated as the key developer in all projects, providing support in a 24/7 news environment. Mentored no experienced developers(3) who were new to JavaScript. Oversaw full lifecycle of software development for 2 projects with 100% on-time delivery while staying 5% under budget. Developed smart contracts on Ethereum and EOS.
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

  • Blockchain Developer

    Sep 2020 - Jun 20221 year 10 months
  • System Analyst & Blockchain Consultant

    Nov 2019 - Apr 20206 months
  • Senior Software Engineer & Full-stack Developer

    May 2017 - May 20192 years 1 month
  • Junior Software Engineer

    Sep 2016 - May 20179 months
  • Freelancer for web and mobile development

    Dec 2014 - Jul 20161 year 8 months

Solidity developer

  • Russia, Saint Petersburg
  • 1-3 years
  • $24k ($2k / month)
  • Pre intermediate
Core technical skills
Solidity
JavaScript
TypeScript
Python
PostgreSQL
Achievements / Key results
I always write unit tests to achieve 100% coverage of smart contract functionality. I conduct a security audit of the developed contracts to avoid loss of funds. I like to work in sprints, I quickly learn new languages ​​/ frameworks.
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Solidity Developer

    May 2022 - current time11 months

Blockchain Developer

5+

Popular candidate! Connected by 5+ companies

  • Singapore, Singapore
  • 5+ years
  • $56k ($4.7k / month)
  • Upper intermediate
Core technical skills
PHP
Express.js
Node.js
Rust
Solidity
Web3
Vue.js
React.js
Python
Django
C++
C#
Blockchain
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
FRONTEND
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain Developer

    Jun 2021 - May 20221 year
  • Blockchain Engineer

    Dec 2020 - Jun 20217 months
  • Blockchain Full Stack Developer

    Jan 2020 - Nov 202011 months
  • Full-stack Developer

    May 2018 - Dec 20191 year 8 months
  • Front End Developer

    Dec 2017 - Apr 20185 months
  • Front End Developer

    Dec 2015 - Dec 20161 year 1 month

Middle Full stack developer

  • Russia, Taganrog
  • 3-5 years
  • $102k ($8.5k / month)
  • Advanced
Core technical skills
React.js
Node.js
JavaScript
TypeScript
PostgreSQL
MongoDB
HTML & CSS
Solidity
Achievements / Key results
worked on the largest telemedicine project in Russia. Did integration with various third-party apis. Developed components with pixel perfect design. I did a large turnkey project from scratch ( Frontend and Backend). I made a service for monitoring the status of instences on aws. Developed a database architecture for a large project
Considering roles
FULL STACK
FRONTEND
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Middle developer

    Dec 2021 - Jun 20227 months
  • Middle developer

    Feb 2020 - Oct 20211 year 9 months
  • Junior - Middle developer

    Sep 2018 - Jan 20201 year 5 months

Solidity Developer

  • Ghana, Accra
  • 1-3 years
  • $70k ($5.8k / month)
  • Advanced
Considering roles
BACKEND
Core technical skills
Solidity
JavaScript
Web3
Laravel
Python
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Web3 developer

    Dec 2021 - current time1 year 4 months
    Company size

    11 - 50 people

  • Software Developer Intern

    Aug 2020 - Sep 20202 months
    Company size

    11 - 50 people

  • Software Engineer

    Oct 2018 - current time4 years 6 months

Frontend Developer

  • France, Paris
  • 1-3 years
  • $40k ($3.3k / month)
  • Upper intermediate
Core technical skills
React.js
TypeScript
Solidity
JavaScript
SASS
Achievements / Key results
• Built a hotel search website that receives 54k users per day • Delivered alternative payments module saving transaction costs x2 • Refactored a chat service, increasing by x3 its message transportation speed • Contributed over 150k lines to open-source projects
Considering roles
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Frontend Engineer

    Mar 2020 - Jun 20222 years 4 months

Team Lead / Senior Software Engineer

5+

Popular candidate! Connected by 5+ companies

  • France, Paris
  • 5+ years
  • $150k ($12.5k / month)
  • Upper intermediate
Core technical skills
Kafka
Docker
Web3
Unit Testing
JavaScript
React.js
Node.js
AWS
TypeScript
Redux
Solidity
CI/CD
MongoDB
Azure
TDD/BDD
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
BACKEND
FULL STACK
Ready to work
remotely
paris
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Technical Lead

    Feb 2021 - current time2 years 2 months
  • Senior Software Engineer

    Dec 2020 - Jan 20212 months
  • Senior Developer Technical Lead

    Oct 2020 - Nov 20202 months
  • Architecte solutions

    Nov 2019 - Sep 202011 months
  • Lead Software Development Engineer

    Jul 2018 - Nov 20191 year 5 months
  • Node.JS Consultant

    May 2017 - Jul 20181 year 3 months
  • CTO

    Jun 2016 - May 20171 year
  • Freelance Node.js Consultant

    Oct 2015 - May 20168 months
  • Freelance Node.js Consultant

    Jun 2015 - Sep 20154 months
  • Consultant

    Dec 2014 - May 20156 months
  • Lead Dev / Scrum Master

    Apr 2012 - Sep 20142 years 6 months
  • Consultant NTIC puis Gérant

    Sep 2009 - Apr 20122 years 8 months
  • Assistant gestion financière (stage)

    Apr 2009 - Sep 20096 months
  • AMOA (stage)

    Apr 2008 - Sep 20086 months