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73 anonymous candidates

Smart Contract Engineer

  • Ukraine, Odesa
  • 5+ years
  • $84k ($7k / month)
  • Upper intermediate
Core technical skills
Blockchain
Node.js
JavaScript
React.js
Web3
Solidity
Achievements / Key results
 Joined public audit contests and contributed to secure web3 ecosystems.  Optimized DEX smart contracts and GameFi interactions; successfully identified and mitigated critical exploits, contributing to a 20% reduction in security breaches during competitive hackathons.  Enhanced security protocols and identified vulnerabilities in DeFi and GameFi ecosystems; secured top 3 placements in 5+ security contests, showcasing expertise in decentralized platforms. Achievement  Found 22 issue (13 High, 9 Medium) in 10x contests, 5 times Top 10,  Gamma Stacking: Awarded Bronze Medal, Panoptic Pool: Selected standard report Participated in web3 hackathon (CrossFinance) and won 6th position in DeFi domain.
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

  • Security Researcher

    Jan 2024 - current time1 year 3 months

  • Security Researcher

    Dec 2023 - current time1 year 4 months

  • Smart Contract Engineer

    Apr 2021 - Sep 20221 year 6 months

FullStack Developer

  • Ukraine, Odesa
  • 3-5 years
  • $66k ($5.5k / month)
  • Upper intermediate
Core technical skills
Vue.js
React.js
React Native
Node.js
Web3
PostgreSQL
MongoDB
Firebase
Achievements / Key results
• Developed interactive and responsive front-end interfaces using Vue.js, React.js, and Next.js, tailored for gambling platforms. • Built secure and scalable server-side systems using Node.js, Express.js, and NestJS to handle high volumes of real-time data and transactions. • Integrated real-time communication features with Socket.io to support live gaming experiences. • Worked with databases (MongoDB, PostgreSQL) to ensure efficient, secure data storage and retrieval, supporting gaming logic and user activity tracking. • Developed gaming-related interactive visual elements with Pixi.js and Three.js to enhance the user experience. • Ensured compliance with industry standards and regulations for secure transactions and data handling in gambling applications. • Collaborated with cross-functional teams to optimize gaming performance, ensure smooth gameplay, and deliver a top-tier user experience.
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • FullStack Developer

    Jan 2021 - current time4 years 3 months

5+

Popular candidate! Connected by 5+ companies

  • Poland, Kraków
  • Less than 1 year
  • $12k ($1000 / month)
  • Elementary
Core technical skills
Mobile testing
Web3
MongoDB
Blockchain
Objective-C
Achievements / Key results
csac
Considering roles
PM
FULL STACK
DEVOPS
MOBILE
FRONTEND
BACKEND
QA
UI/UX DESIGN
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • dvs

    Dec 2028 - current time-44 months

Senior Frontend Engineer

10+

Popular candidate! Connected by 10+ companies

  • Slovenia, Celje
  • 5+ years
  • $96k ($8k / month)
  • Advanced
Considering roles
FRONTEND
FULL STACK
Core technical skills
React.js
TypeScript
Redux
Web3
Node.js
HTML & CSS
JavaScript
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Frontend Developer

    Nov 2022 - Dec 20242 years 2 months

QA

  • United Kingdom, Bristol
  • 3-5 years
  • $1200k ($100k / month)
  • Upper 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
Smoke testing
MongoDB
Docker
Achievements / Key results
Quqyishs

Senior Blockchain Full Stack Software Engineer

10+

Popular candidate! Connected by 10+ companies

  • United States, Phoenix
  • 5+ years
  • $120k ($10k / month)
  • Advanced
Core technical skills
Blockchain
Python
React.js
Node.js
JavaScript
TypeScript
Docker
Solidity
Solana
Django
CI/CD
Web3
jQuery
Angular.js
Flask
Achievements / Key results
Successfully contributed to the development of Launch Legends and RetroCraft, two major projects that advanced blockchain innovation and decentralized application development. Delivered scalable and secure smart contract solutions on Ethereum and Solana, supporting NFT marketplaces and DeFi applications with millions of dollars in transaction volume. Spearheaded the implementation of cross-chain interoperability solutions, enhancing seamless asset transfer and collaboration between different blockchain networks. Played a pivotal role in developing zero-knowledge proof systems to improve privacy and efficiency in decentralized systems. Worked with top-tier companies like Ripple, where I contributed to blockchain-powered payment systems, streamlining cross-border transactions. Earned certifications in blockchain and cloud technologies, solidifying expertise in cutting-edge tools and protocols.
Considering roles
FULL STACK
PM
FRONTEND
BACKEND
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Blockchain Engineer ՄTeam Lead)

    Apr 2024 - current time1 year

  • Senior Web3 Blockchain Developer

    Feb 2020 - Feb 20244 years 1 month

  • Blockchain Engineer

    Sep 2018 - Nov 20191 year 3 months

  • Senior Full Stack Engineer

    Feb 2016 - Jun 20182 years 5 months

  • Software Engineer

    Jul 2014 - Feb 20161 year 8 months

Full Stack Web3 Developer

5+

Popular candidate! Connected by 5+ companies

  • 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 time1 year

Senior Frontend / Web3 Engineer

10+

Popular candidate! Connected by 10+ companies

  • 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 3 months

  • 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

5+

Popular candidate! Connected by 5+ companies

  • 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

15+

Popular candidate! Connected by 15+ 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 2 months

frontend developer

10+

Popular candidate! Connected by 10+ 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

10+

Popular candidate! Connected by 10+ companies

  • 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 2 months

QA

5+

Popular candidate! Connected by 5+ companies

  • 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

5+

Popular candidate! Connected by 5+ companies

  • 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

5+

Popular candidate! Connected by 5+ companies

  • 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

10+

Popular candidate! Connected by 10+ 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 7 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

20+

Popular candidate! Connected by 20+ 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

15+

Popular candidate! Connected by 15+ 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 6 months

  • Web 3 Front end Engineer

    Apr 2022 - current time3 years

  • Front end Engineer

    Nov 2021 - Oct 20232 years

  • Front end Engineer

    Oct 2020 - Oct 20211 year 1 month
View 53 more candidates