Web3-full-stack

Smart Contract Engineer

Ukraine, Odesa
5+ years
$84k ($7k / month)
Upper intermediate

Core technical skills
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
Ready to work: remotely

FullStack Developer

Ukraine, Odesa
3-5 years
$66k ($5.5k / month)
Upper intermediate

Core technical skills
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
Ready to work: remotely

Poland, Kraków
Less than 1 year
$12k ($1000 / month)
Elementary

Core technical skills
Achievements / Key results: csac
Considering roles
Ready to work: remotely

Senior Frontend Engineer

Slovenia, Celje
5+ years
$96k ($8k / month)
Advanced

Considering roles
Core technical skills
Ready to work: remotely

Senior Blockchain Full Stack Software Engineer

United States, Phoenix
5+ years
$120k ($10k / month)
Advanced

Core technical skills
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
Ready to work: remotely

Full Stack Web3 Developer

India, Bengaluru
1-3 years
$42k ($3.5k / month)
Upper intermediate

Core technical skills
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
Ready to work: remotely

Senior Frontend / Web3 Engineer

Serbia, Novi Sad
5+ years
$150k ($12.5k / month)
Advanced

Core technical skills
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
Ready to work: remotely

At quod sit vel ani

United Kingdom, Ewell
1-3 years
$50k ($4.2k / month)
Intermediate

Core technical skills
Achievements / Key results: 323
Considering roles
Ready to work: remotely

Expert Blockchain Full Stack Developer

India, Pune
3-5 years
$10k ($833 / month)
Intermediate

Core technical skills
Achievements / Key results: Worked on multiple blockchain projects for writing and deploying smart contracts, integrate them with there DApps.
Considering roles
Ready to work: remotely

Senior Web Engineer

Japan, Shimotsuke
3-5 years
$36k ($3k / month)
Advanced

Core technical skills
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
Ready to work: remotely

Blockchain Developer

India, Cuttack
1-3 years
$45k ($3.8k / month)
Intermediate

Core technical skills
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
Ready to work: remotely

Senior Blockchain and FullStack Engineer

Finland, Helsinki
5+ years
$84k ($7k / month)
Advanced

Core technical skills
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
Ready to work: remotely

feго

Finland, Jyväskylä
1-3 years
$25k ($2.1k / month)
Intermediate

Core technical skills
Achievements / Key results: h
Considering roles
Ready to work: remotely

wq

Italy, Florence
Less than 1 year
$33.3k ($2.8k / month)
Pre intermediate

Core technical skills
Achievements / Key results: f3f3f3f
Considering roles
Ready to work: remotely

Frontend Developer

India, Mumbai
1-3 years
$45k ($3.8k / month)
Advanced

Core technical skills
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
Ready to work: remotely

FrontEnd Developer

Slovenia, Ivančna Gorica
5+ years
$72k ($6k / month)
Upper intermediate

Core technical skills
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
Ready to work: remotely

Senior Frontend Engineer

India, Delhi
3-5 years
$40k ($3.3k / month)
Advanced

Core technical skills
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
Ready to work: remotely

Blockchain Developer

India, Coimbatore
1-3 years
$25k ($2.1k / month)
Advanced

Core technical skills
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
Ready to work: remotely
coimbatore

Frontend developer

India, Kochi
3-5 years
$18k ($1.5k / month)
Advanced

Core technical skills
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
Ready to work: remotely

Web3 Engineer

United States, Kyle
5+ years
$120k ($10k / month)
Advanced

Core technical skills
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
Ready to work: remotely

Candidates

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Smart Contract Engineer

FullStack Developer

Senior Frontend Engineer

Senior Blockchain Full Stack Software Engineer

Full Stack Web3 Developer

Senior Frontend / Web3 Engineer

At quod sit vel ani

Expert Blockchain Full Stack Developer

Senior Web Engineer

Blockchain Developer

Senior Blockchain and FullStack Engineer

feго

wq

Frontend Developer

FrontEnd Developer

Senior Frontend Engineer

Blockchain Developer

Frontend developer

Web3 Engineer

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