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24 anonymous candidates

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

5+

Popular candidate! Connected by 5+ 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

Senior Blockchain Full Stack Software Engineer

5+

Popular candidate! Connected by 5+ 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

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

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

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

Blockchain Developer

15+

Popular candidate! Connected by 15+ 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

Senior Blockchain and FullStack Engineer

25+

Popular candidate! Connected by 25+ 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

feго

15+

Popular candidate! Connected by 15+ companies

  • Finland, Jyväskylä
  • 1-3 years
  • $25k ($2.1k / month)
  • Intermediate
Core technical skills
Hibernate
Usability testing
MongoDB
Web3
Bootstrap
Ruby
Kubernetes
Objective-C
Achievements / Key results
h
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • h

    Feb 2020 - current time5 years 2 months

wq

20+

Popular candidate! Connected by 20+ companies

  • Italy, Florence
  • Less than 1 year
  • $33.3k ($2.8k / month)
  • Pre intermediate
Core technical skills
Responsive design
CI/CD
Docker
Web3
MS SQL Server
Achievements / Key results
f3f3f3f
Considering roles
FULL STACK
FRONTEND
MOBILE
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • 333

    Apr 2001 - current time24 years

Frontend Developer

35+

Popular candidate! Connected by 35+ companies

  • India, Mumbai
  • 1-3 years
  • $45k ($3.8k / month)
  • Advanced
Core technical skills
React.js
JavaScript
TypeScript
Redux
HTML & CSS
MongoDB
Node.js
Express.js
Web3
Blockchain
Achievements / Key results
1) Assigned to enhance and maintain code structures for both frontend and backend, while also developing decentralized applications. 2) Responsibilities include front-end design, backend/API integration, and integrating smart contracts. 3) Achievements include driving a 40% increase in team productivity through streamlined workflows, boosting application performance by 10% through Agile Scrum methodologies, and improving user engagement by 25% through critical bug resolution. 4) Successfully optimized application performance by 15% via dynamic bundling and lazy loading, contributing to a 10% revenue growth.
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 Developer

    Jan 2024 - Jun 20246 months
  • Frontend Developer

    Nov 2022 - Jul 20239 months
  • Frontend UI Developer

    Feb 2022 - Aug 20227 months

FrontEnd Developer

50+

Popular candidate! Connected by 50+ companies

  • Slovenia, Ivančna Gorica
  • 5+ years
  • $72k ($6k / month)
  • Upper intermediate
Core technical skills
React.js
TypeScript
Web3
Node.js
MongoDB
Achievements / Key results
Over 8 years of experience in user interface development and web application development. Experience building user-facing products, Expertise with React and Redux, Expertise with JavaScript or Typescript, Fluency in HTML, CSS, and ES6.
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 Frontend Developer

    Jul 2022 - Mar 20241 year 9 months
  • Web3 Frontend Developer

    Jan 2022 - Apr 20224 months
  • Full Stack Developer

    Jul 2020 - Nov 20211 year 5 months

Senior Frontend Engineer

45+

Popular candidate! Connected by 45+ companies

  • India, Delhi
  • 3-5 years
  • $40k ($3.3k / month)
  • Advanced
Core technical skills
React.js
TypeScript
Web3
React Native
Node.js
Achievements / Key results
- Transitioned project stack from React.js to Next.js, which reduced page load times by up to 50%. - Improved page load times, reduced server load, and minimized data transfer by 30% by implementing React-Query for simplified asynchronous data handling and efficient data caching. - Implemented Comprehensive bug/error tracking system using Sentry, improving tracking and resolution by 70%.
Considering roles
FRONTEND
FULL STACK
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
  • SDE-II

    Feb 2023 - Sep 20238 months
  • SDE

    Feb 2021 - Jan 20232 years

Blockchain Developer

35+

Popular candidate! Connected by 35+ companies

  • India, Coimbatore
  • 1-3 years
  • $25k ($2.1k / month)
  • Advanced
Core technical skills
JavaScript
Solidity
Rust
Web3
Blockchain
Achievements / Key results
Build and deployed all ERC based smart contracts in blockchain. Passionate in building decentralised applications working on all EVM based blockchains .
Considering roles
FULL STACK
Ready to work
remotely
coimbatore
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain Developer

    Jan 2024 - current time1 year 3 months
  • Full stack Blockchain Developer

    Jul 2023 - current time1 year 9 months

Frontend developer

50+

Popular candidate! Connected by 50+ companies

  • India, Kochi
  • 3-5 years
  • $18k ($1.5k / month)
  • Advanced
Core technical skills
React.js
Web3
Node.js
Solidity
JavaScript
Achievements / Key results
SSE integration for dynamic update of data in an optimised way to ensure optimal performance and best user experience. Multiple wallet connection for desktop and mobile application using sdks and packages. Wallet disconnect option for mobile application. Multiple device responsiveness ( desktop, mobile Android and IOS)
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • System engineer

    Feb 2023 - Jun 20241 year 5 months
  • Associate software engineer

    Dec 2021 - Mar 20231 year 4 months

Web3 Engineer

50+

Popular candidate! Connected by 50+ companies

  • United States, Kyle
  • 5+ years
  • $120k ($10k / month)
  • Advanced
Core technical skills
React.js
JavaScript
TypeScript
Web3
Blockchain
Solidity
Rust
Achievements / Key results
As a Web3 Engineer, I've contributed to enhancing our product's scalability by optimizing smart contracts, implementing layer 2 scaling solutions, and DID solutions, and introducing caching mechanisms. These efforts have resulted in a significant improvement in the platform's performance and reliability, ensuring a seamless user experience even during peak usage periods. Additionally, I've played a key role in improving security by implementing robust encryption protocols, conducting thorough security audits, and staying updated on the latest security best practices in the Web3 space. These contributions have helped fortify our product against potential vulnerabilities and safeguard user assets effectively.
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

  • Web3 Engineer

    May 2023 - current time1 year 11 months
  • Web3 Engineer

    Jan 2022 - May 20231 year 5 months
  • Web3 Engineer

    Jan 2021 - Dec 20211 year
  • Web3 Developer

    Mar 2018 - Dec 20213 years 10 months
  • Senior Full Stack Developer

    Feb 2016 - Feb 20182 years 1 month
  • Full Stack JavaScript Developer

    Apr 2014 - Feb 20161 year 11 months

Senior Full Stack/Blockchain Engineer

50+

Popular candidate! Connected by 50+ companies

  • Singapore, Singapore
  • 5+ years
  • $48k ($4k / month)
  • Advanced
Core technical skills
React.js
Node.js
Web3
Vue.js
Angular.js
Django
Go
Rust
Solidity
Docker
Kubernetes
MongoDB
PostgreSQL
AWS
Azure
Achievements / Key results
Results-driven Senior Full Stack / Blockchain Developer with 6 years of expertise in modern Web technologies and Blockchain Development. Demonstrated history of collaborating with cross-functional teams to deliver intricate and scalable web applications, leading to a significant time savings of 6 hours per week. Proficient in developing highly scalable and robust web applications customized to meet client needs. Meticulously attentive to requirements, maintaining an exceptional track record of over 98% code quality standards, consistently delivering outstanding results to clients.
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 Full Stack / Blockchain Developer

    Mar 2022 - Oct 20231 year 8 months
  • Blockchain Engineer

    Jun 2020 - Nov 20211 year 6 months
  • Software Engineer

    Aug 2017 - Feb 20202 years 7 months