Web3-full-stack

Senior Frontend Engineer

Nigeria, Lagos
5+ years
$60k ($5k / month)
Upper intermediate

Core technical skills
Achievements / Key results: Crafting seamless experiences across screens — 9 years of turning complex problems into elegant, performant interfaces.
Considering roles
Ready to work: remotely

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Ukraine, Sumy
1-3 years
$2.4k ($200 / month)
Intermediate

Core technical skills
Achievements / Key results: Mollit est laborios
Considering roles
Ready to work: remotely

engineer

Spain, Alicante
Less than 1 year
$24k ($2k / month)
Pre intermediate

Core technical skills
Achievements / Key results: • Redesigned existing system and decreased maintainability costs by 30% • Worked as tech lead in a high-load low-latency system that could serve over 200qps per cluster • Engineered many own tools like notification engine, performance tool for REST, database client. • Default unit-test code coverage on products I work on is 75%.
Considering roles
Ready to work: remotely

Senior Web3 Full Stack Engineer

Switzerland, Zürich
5+ years
$60k ($5k / month)
Advanced

Core technical skills
Achievements / Key results: Innovative and results-driven Senior Web3 & Full Stack Engineer with 7+ years of experience in blockchain development, decentralized applications (dApps), and full-stack engineering. Expertise in Next.js, Nest.js, Solidity, and Web3 integrations, building high-performance applications with a strong focus on security, scalability, and user experience. Proven track record in smart contract development, gas optimizations, DeFi protocols, and multi-chain interoperability. Adept at leading engineering teams, architecting secure, upgradeable smart contracts, and optimizing Web3 authentication workflows. Passionate about decentralized finance (DeFi), NFTs, and Layer 2 scaling solutions, continuously integrating the latest advancements in the blockchain ecosystem to drive technical excellence and innovation.
Considering roles
Ready to work: remotely

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Spain, Valencia
Less than 1 year
$20k ($1.7k / month)
Elementary

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

Backend dev

Portugal, Porto
Less than 1 year
$24k ($2k / month)
Advanced

Core technical skills
Achievements / Key results: I produced a honeypot to monitor the companies resources and logs everything and used grafana for metrics. Everything was detailed in a overleaf report.
Considering roles
Ready to work: remotely

Blockchain Engineer

India, Bhopal
1-3 years
$20k ($1.7k / month)
Upper intermediate

Core technical skills
Achievements / Key results: yes i worked at sevral of startup
Considering roles
Ready to work: remotely

Senior All Engineer

United States, Chicago
3-5 years
$24k ($2k / month)
Upper intermediate

Core technical skills
Achievements / Key results: Optimised map functionality for faster rendering of 3k items
Considering roles
Ready to work: remotely
chicago
frankfurt am main

Senior Web3 Engineer

United States, Tallahassee
5+ years
$96k ($8k / month)
Advanced

Core technical skills
Achievements / Key results: Participated in building Rings protocol, which is the first defi application to allow the trade of perpetual options on chain without relying on oracles, raised $2M TVL.
Considering roles
Ready to work: remotely

Senior Frontend Engineer

Ukraine, Dnipro
5+ years
$120k ($10k / month)
Upper intermediate

Core technical skills
Achievements / Key results: Covered code with unit-test. Did code review. Led FE team. Developed MVP. Developed high-load web app with over 500k users a month.
Considering roles
Ready to work: remotely

Rust

France, Paris
1-3 years
$40k ($3.3k / month)
Advanced

Core technical skills
Achievements / Key results: I led the development of a cross-platform desktop application that was showcased at the Paris 2024 Olympics. I volunteered at the ZK Summit in Lisbon, a major event focused on zero-knowledge proofs and blockchain technology. Later, I also contributed to the SheFi Summit in Bangkok.
Considering roles
Ready to work: remotely

Web3 Frontend Engineer

Nigeria, Abuja
3-5 years
$100k ($8.3k / month)
Upper intermediate

Core technical skills
Achievements / Key results: I conceptualized and Built Decatron Africa's first end-to-end real estate marketplace that aims to make real estate transactions as seamless as online shopping with features like 1. Automated rental agreement, with E signatures 2. Payment gateway implementation Paystack and Monnify 3. Property, agent and client location tracking with Google Maps and Google Routes API. and used websocket for real-time location update 4. Availability scheduling, and booking system Built an international trade Settlement system that was integrated with the Internet computer Blockchain with the following features 1. A cross-chain wallet, that supports tokens converting BTC, USDC, and ETH to its Internet Computer Protocol equivalent ckBTC, ckUSDC, and ckETH, which allows users to able to use any of these tokens in the ICP ecosystem. 2. On and Offramp capabilities, from crypto to Fiat and vice versa, to achieve this we integrated with payment Flutterwave 3. Automated Promissory note, and invoice generation. 4. Merchant checkout page integration via Iframe (this feature allowed for directly loading the merchant checkout page as an Iframe on how platform) Javascript postmessage API was used for this I am a natural leader. I currently building my startup, but since it's been difficult to raise funding I decided to get a Job for a couple of months, and if I like the job maybe a year to support myself, before going back to building my startup. I conduct user interviews a lot so I do know how to align products with user needs, as you can only really learn this by experience, I think this gives me an edge over the average Software engineer If you are looking for a freak to join your startup, someone who is obsessed with getting things done, who can learn and iterate quickly, who owns the project, who thinks and works like an entrepreneur. then I might be the guy you need.
Considering roles
Ready to work: remotely

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

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

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

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Senior Frontend Engineer

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engineer

Senior Web3 Full Stack Engineer

bb

Backend dev

Blockchain Engineer

Senior All Engineer

Senior Web3 Engineer

Senior Frontend Engineer

Rust

Web3 Frontend Engineer

Smart Contract Engineer

FullStack Developer

Senior Frontend Engineer

Senior Blockchain Full Stack Software Engineer

Full Stack Web3 Developer

Senior Frontend / Web3 Engineer

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Coinbase

Binance

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