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67 anonymous candidates

Full Stack Web3 Developer

  • India, Bengaluru
  • 1-3 years
  • $42k ($3.5k / month)
  • Upper intermediate
Core technical skills
Solidity
React.js
Node.js
MongoDB
Rust
TypeScript
JavaScript
API testing
Blockchain
Web3
Achievements / Key results
Improved Performance Metrics: Boosted the performance of in defi application, increasing the performance rating from 40 to 70 through optimization techniques and efficient code refactoring. Real-Time System Implementation: Designed and developed a Points and Score system for the ecosystem using Node.js, Express.js, MongoDB, and ethers.js, enabling real-time updates based on blockchain events
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Frontend Web3 Devloper

    Apr 2024 - current time10 months

Senior Frontend / Web3 Engineer

  • Serbia, Novi Sad
  • 5+ years
  • $150k ($12.5k / month)
  • Advanced
Core technical skills
React.js
Node.js
Express.js
HTML & CSS
Web3
Achievements / Key results
- Built complex web3 projects for onchain governance voting; - Worked on blockchain block explorers and advanced data parsing; - Built advanced booking systems for leading hospitality companies; - Worked on web3 game that allows user to do price predictions real time, while having smooth experience and gamified approach; - Worked on various US startups;
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Frontend Engineer

    Aug 2019 - Jan 20255 years 6 months

  • Senior Full Stack Engineer

    Jan 2019 - current time6 years 1 month

  • Software Engineer

    Aug 2016 - Aug 20193 years 1 month

234567899

  • Ukraine, Sumy
  • Less than 1 year
  • $7.2k ($600 / month)
  • Intermediate
Core technical skills
JavaScript
React.js
HTML & CSS
MySQL
TypeScript
Node.js
API testing
manual testing
SASS
AWS
Mobile testing
Solidity
Python
Java
PostgreSQL
Redux
Web3
Achievements / Key results
Seegghhkxgkxgkjgdjgsjtstjsfjzgjysysyhhdhdhdhdududufjcjcjvjystsydufjcjcjchxystdydufufjgjcjxhdydydyfufjcjcjchfhfhfudydufufugjvjvjvjvjfjcjcjcjcjchchchchchchchchcjcjcjcjcjcjcjcjcjcjchchchchxufufhcuchfufysrstsydhxhchchxhhdhdhdhdhdhdu🎄☺️☺️💛💛🥰🤯🤯🙈😘😍🥰💝🤣🤣😘🤣💝🤣🫳✊️✊️🤯✊️💖dudududufufuf
Ready to work
remotely

QA

  • Ukraine, Kyiv
  • Less than 1 year
  • $7.2k ($600 / month)
  • Intermediate
Core technical skills
Smoke testing
Docker
Web3
Mobile testing
manual testing
API testing
MySQL
HTML & CSS
JavaScript
Achievements / Key results
H
Ready to work
remotely
kyiv

Junior QA Engineer11111111111111111111111а

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Cherkasy
  • 3-5 years
  • $25k ($2.1k / month)
  • Upper intermediate
Core technical skills
Web3
Gffdssdsdsljhffffdddd
SDLC
SwiftUI
Swift Package Manager
RxSwift
Achievements / Key results
• I have a pet project with more than 60k users • Delivered / took part in ~40 iOS/macOS apps in 7 years • Each time I start on a project I end up leading itв • Leading a mobile team of a product with 1M+ DAU
Considering roles
QA
Ready to work
remotely
cherkasy
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • qa

    Feb 2014 - current time11 years

frontend developer

5+

Popular candidate! Connected by 5+ companies

  • India, Hyderabad
  • 5+ years
  • $3k ($250 / month)
  • Upper intermediate
Core technical skills
React.js
JavaScript
HTML & CSS
Solidity
Redux
Web3
Achievements / Key results
Successfully implemented Redux in multiple projects, enhancing state management and app performance, resulting in a 20% reduction in load times and smoother user interactions."
Considering roles
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • team lead

    Jun 2009 - Nov 202415 years 6 months

At quod sit vel ani

  • United Kingdom, Ewell
  • 1-3 years
  • $50k ($4.2k / month)
  • Intermediate
Core technical skills
Redux
User interviews
Web3
Wireframing
RxSwift
Achievements / Key results
323
Considering roles
FULL STACK
MOBILE
QA
BACKEND
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • 233

    Feb 1980 - current time45 years

QA

  • Belgium, Oudenaarde
  • Less than 1 year
  • $30k ($2.5k / month)
  • Upper intermediate
Core technical skills
manual testing
Mobile testing
API testing
MySQL
JavaScript
HTML & CSS
PostgreSQL
Smoke testing
Web3
Achievements / Key results
Tujng
Ready to work
remotely

The coolest developer

  • United Kingdom, Cambridge
  • 5+ years
  • $215.5k ($18k / month)
  • Upper intermediate
Core technical skills
JavaScript
React.js
HTML & CSS
TypeScript
MySQL
Node.js
API testing
SASS
manual testing
AWS
Solidity
Mobile testing
Python
Java
Redux
PostgreSQL
Web3
Docker
MongoDB
Smoke testing
GraphQL
Blockchain
Vue.js
Functional testing
Angular.js
React Native
Express.js
CI/CD
PHP
Spring
Usability testing
Regression testing
Rust
Hibernate
Responsive design
Android
Swift
Sanity testing
Bootstrap
Qa
Wireframing
Firebase
SwiftUI
Flutter
Automation testing
C++
SDLC
DevOps
Solana
Unit Testing
Test Case Design
Ruby
Algorithms / Data Structures
RxSwift
Go
Mobile Design App
Human Interface Guidelines
Design system
Kotlin
Black box testing
Achievements / Key results
Dog
Ready to work
remotely

Middle Frontend developer

  • United Kingdom, Cambridge
  • 3-5 years
  • $200k ($16.7k / month)
  • Advanced
Core technical skills
React.js
JavaScript
HTML & CSS
TypeScript
MySQL
Node.js
API testing
SASS
manual testing
AWS
Solidity
Mobile testing
Python
Java
Redux
PostgreSQL
Web3
Docker
MongoDB
Smoke testing
GraphQL
Blockchain
Vue.js
Functional testing
Angular.js
React Native
Express.js
CI/CD
Achievements / Key results
Lots of money
Ready to work
remotely

Expert Blockchain Full Stack Developer

5+

Popular candidate! Connected by 5+ companies

  • India, Pune
  • 3-5 years
  • $10k ($833 / month)
  • Intermediate
Core technical skills
Solidity
Python
JavaScript
React.js
TypeScript
Node.js
Web3
Achievements / Key results
Worked on multiple blockchain projects for writing and deploying smart contracts, integrate them with there DApps.
Considering roles
FULL STACK
BACKEND
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full Stack Developer

    Sep 2023 - current time1 year 5 months

  • Full Stack Blockchain Developer

    May 2022 - May 20231 year 1 month

  • Blockchain developer

    Nov 2021 - Apr 20226 months

  • Blockchain Developer

    Jun 2021 - Nov 20216 months

Candidate

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Kyiv
  • 1-3 years
  • $12k ($1000 / month)
  • Pre intermediate
Core technical skills
MySQL
PostgreSQL
Docker
MongoDB
Smoke testing
React.js
HTML & CSS
Python
Mobile testing
API testing
Node.js
SASS
manual testing
AWS
Solidity
JavaScript
TypeScript
Java
Redux
Web3
GraphQL
Usability testing
Functional testing
Regression testing
Sanity testing
Automation testing
Unit Testing
Test Case Design
Black box testing
Kubernetes
User Testing
Cross-browser Testing
Non functional testing
Ad Hoc testing
Acceptance testing
Testing
mobfile testing
Testing
Typescript
API TESTING
Mobile testing
Testing
Typescript
API TESTING
Mobile testing
Ad-hoc testing
e2e testing
Achievements / Key results
Jsjsjjd
Ready to work
remotely

Senior Web Engineer

15+

Popular candidate! Connected by 15+ companies

  • Japan, Shimotsuke
  • 3-5 years
  • $36k ($3k / month)
  • Advanced
Core technical skills
React.js
Node.js
MongoDB
HTML & CSS
PHP
Laravel
Blockchain
Solidity
Solana
Web3
Angular.js
Landing page design
Achievements / Key results
E-commerce Store Development ● Description: Developed a fully functional e-commerce store for a retail client using Shopify, including theme customization and app integration. ● Technologies Used: Shopify, Liquid, HTML, CSS, JavaScript ● Impact: Increased online sales by 50% within the first quarter post-launch, improving user experience with an intuitive interface and streamlined checkout process. Shopify App Integration ● Description: Integrated third-party apps (such as payment gateways and inventory management tools) into existing Shopify stores for enhanced functionality. ● Technologies Used: Shopify API, JavaScript, Liquid ● Impact: Improved operational efficiency for clients, leading to a 25% reduction in time spent on inventory management and reporting tasks. Shopify Store Optimization ● Description: Conducted performance optimization for an existing Shopify store, including speed enhancements and SEO improvements. ● Technologies Used: Shopify, Liquid, Google Analytics ● Impact: Increased site speed by 40% and improved search rankings, resulting in a 30% increase in organic traffic.
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full-Stack Web Developer

    Jan 2021 - Sep 20243 years 9 months

  • Software Engineer

    Jan 2019 - May 20212 years 5 months

  • Junior Web Developer

    Jun 2017 - Dec 20181 year 7 months

Senior Web3 Front-end Software Engineer

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Lviv
  • 3-5 years
  • $120k ($10k / month)
  • Intermediate
Core technical skills
JavaScript
React.js
TypeScript
Web3
Vue.js
Achievements / Key results
Senior Front-End Developer with over 4 years of experience specializing in building complex applications and decentralized platforms, particularly in the cryptocurrency and NFT sectors. Proficient in modern technologies including Vue, React, Next, and Nuxt, with a strong focus on Web3 integration. Proven track record in developing innovative solutions such as cryptocurrency arbitrage systems, social platforms for content creators, and decentralized autonomous organizations (DAOs) for tracking environmental assets. Known for adaptability, analytical problem-solving, and effective teamwork. Committed to delivering high-quality code and enhancing user experiences through a collaborative approach.
Considering roles
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Front end Engineer

    Oct 2022 - current time2 years 4 months

  • Web 3 Front end Engineer

    Apr 2022 - current time2 years 10 months

  • Front end Engineer

    Nov 2021 - Oct 20232 years

  • Front end Engineer

    Oct 2020 - Oct 20211 year 1 month

Blockchain Developer

10+

Popular candidate! Connected by 10+ companies

  • India, Cuttack
  • 1-3 years
  • $45k ($3.8k / month)
  • Intermediate
Core technical skills
Solidity
JavaScript
Blockchain
Web3
Node.js
Achievements / Key results
Developed Secure and Scalable Smart Contracts: Designed and deployed multiple Solidity smart contracts with a focus on DeFi applications, ensuring robust performance and security measures through detailed testing using Hardhat and Foundry. Led Blockchain Integrations for DApps: Built decentralized applications that integrate seamlessly with Ethereum-based smart contracts, employing libraries such as ethers.js and web3.js to enhance functionality and user experience. Innovated with Chainlink VRF and CCIP: Successfully integrated Chainlink VRF for on-chain randomness and CCIP for cross-chain compatibility, enabling secure and versatile DeFi applications across multiple blockchain ecosystems. Built and Deployed Real-Time Transaction Reward System: Developed a reward system using Delta-X tokens for each wallet transaction, incorporating Alchemy WSS for wallet tracking and ensuring smooth cross-chain operations. Enhanced Blockchain and API Performance: Created efficient and low-latency APIs using REST and GraphQL, optimizing data access for high-performance blockchain environments using technologies like PostgreSQL, MongoDB, and Redis. Contributed to Winning Hackathon Project: Collaborated with team METABLOCKERS on the R2W3-II challenge to create Fluid Pass, a project enabling event access through crypto-based payments with Superfluid SDK, achieving a successful deployment and securing the top prize. Ensured Code Quality and Security Standards: Maintained high standards of code quality across blockchain and backend modules, implementing rigorous testing and security checks to safeguard DeFi applications against vulnerabilities. Ambassador for Web3 and Blockchain Community Growth: Actively contributed to the web3.js ambassador program by creating educational content, including blogs and guides, to support emerging blockchain developers in the community.
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

  • Blockchain Developer

    Nov 2023 - Aug 202410 months

  • Freelance Smart Contract Developer

    Jul 2023 - Dec 20236 months

  • Web3 Developer

    Mar 2023 - Jul 20235 months

  • Blockchain Developer

    May 2022 - Nov 20227 months

QA engineer

10+

Popular candidate! Connected by 10+ companies

  • Japan, Kyoto
  • 3-5 years
  • $69.3k ($5.8k / month)
  • Advanced
Core technical skills
Docker
Web3
Testing
Typescript
API TESTING
Mobile testing
Ad-hoc testing
Smoke testing
Python
Achievements / Key results
I have a pet project with more than 60k users • Delivered / took part in ~40 iOS/macOS apps in 7 years • Each time I start on a project I end up leading it • Leading a mobile team of a product with 1M+ DAU
Considering roles
MOBILE
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA engeneer

    Mar 2021 - Jan 202211 months

234

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Kyiv
  • 1-3 years
  • $6k ($500 / month)
  • Pre intermediate
Core technical skills
User interviews
RxSwift
Wireframing
Web3
AWS
Achievements / Key results
hfghghfghfgh
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • sdrdfsf

    Feb 2022 - May 20264 years 4 months

gd

5+

Popular candidate! Connected by 5+ companies

  • Argentina, Justo Daract
  • 1-3 years
  • $1.6k ($133 / month)
  • Upper intermediate
Core technical skills
TypeScript
SASS
API testing
Angular.js
Vue.js
Blockchain
GraphQL
Smoke testing
MongoDB
Docker
Web3
PostgreSQL
Redux
Java
Python
Mobile testing
Solidity
Achievements / Key results
Skansen

CEO

10+

Popular candidate! Connected by 10+ companies

  • United States, Chicago
  • Less than 1 year
  • $2.4k ($203 / month)
  • Elementary
Core technical skills
Web3
Wireframing
RxSwift
Cross-browser Testing
Swift
Achievements / Key results
123123123123
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Rea

    Feb 2010 - current time15 years

Senior Blockchain and FullStack Engineer

20+

Popular candidate! Connected by 20+ companies

  • Finland, Helsinki
  • 5+ years
  • $84k ($7k / month)
  • Advanced
Core technical skills
Solidity
Rust
JavaScript
TypeScript
Web3
Blockchain
Achievements / Key results
•Led a team of 5 members and was responsible for the architecture and development of 10+ blockchain DeFi projects including Multichain Rewarding Platform, Lending and Borrowing Platform, DEX platform, Cross Chain NFT Marketplace, etc. •Developed smart contracts of 20k+ Solidity and Rust code handling $10M+ TVL of DeFi products.
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Lead Blockchain and FullStack Engineer

    May 2022 - Sep 20242 years 5 months

  • Blockchain Developer

    Sep 2019 - Apr 20222 years 8 months

  • FullStack Developer

    Apr 2017 - Aug 20192 years 5 months
View 47 more candidates