Hire Vetted Blockchain Engineers at Upstaff - Page 5

- Expert in creating and leading tech-driven blockchain and fintech solutions with robust marketing and strategic prowess; - Oversaw development and strategic planning as CEO of a self-developed platform; - Expertise in managing sizeable teams, particularly with a team of 8, driving product growth and optimizing marketing budgets; - Deep skills led initiatives in various acquisition, retention, and branding strategies, with experience across multiple international markets; - Deep understanding of HTML5, CSS, and growth-hacking techniques, underscoring a commitment to technical and user-experience excellence; - Experience in consulting web3 projects that raised investment rounds through token sales: 1. Web3 gaming platform raised $400k in 2 rounds (pre-sale, sale through launchpads). 2. Dex exchange ~$100k in one round of sale. - Created company from idea to full function product(2022-2023); - Company growth from 20k to 1 million USD FTD/month; - Max 1 month ROI=1361% (12/2017); - Optimized marketing budget in 2 times as effective (05/2019).

- With over 12 years of growth marketing experience and 4+ years of specializing in web3 companies, brings hands-on expertise across diverse crypto verticals including exchanges, online casinos, crypto products, b2b solutions, and P2E gaming. - Data-driven marketing strategies have delivered proven results for blockchain startups and web3 companies targeting key geographies like the USA, Europe, China, Philippines, former Soviet Union countries, the UK, Australia, Canada, the specializing Middle East, and Scandinavia. - As a strategic marketing leader, exceling at capturing attention, building trust, and accelerating revenue across these global markets. - Analytical approach couples creative thinking with rigorous optimization across acquisition channels, empowering brands to scale strategically. - Collaboration with multiple blockchain projects double their business, increase revenue by millions, and rapidly grow users in target regions through my nuanced understanding of local cultures and buyer mindsets.

- Experienced Blockchain Developer / Software Engineer with 6 years of experience in crypto financial and DeFi domains. - Proficient in programming languages such as Solidity, Python, and JavaScript. - Strong expertise in blockchain technologies including Uniswap, Ethereum, Polygon, SSV.Network, and wallet integrations. - Skilled in backend development using frameworks like FastAPI, Flask, and Node.js. - Familiar with message brokers like Kafka and cloud platforms like AWS and Azure. - Proficient in DevOps tools like Docker, Kubernetes, and Helm. - Experienced in working with databases like PostgreSQL, MongoDB, and DynamoDB. - Strong knowledge of source control systems like Git, Bitbucket, and GitHub. - Demonstrated ability to design REST API schemas and architect DAO systems. - Proven track record in blockchain development, smart contract optimization, and security audits. - Experienced in setting up and configuring network parameters and implementing identity and access controls. - Proficient in setting up CI/CD pipelines and conducting code reviews. - Skilled in implementing and managing smart contracts compliant with relevant laws and regulations. - Experienced in optimizing storage and computation within smart contracts to minimize transaction costs. - Strong knowledge of SDLC, software development practices, and software engineering principles. - Excellent communication and team collaboration skills. - Computer Science and Software Engineering education background. - Proven ability to find common language with the team and lead on various projects.

- Software engineer with 5+ years of experience in computer science and software engineering. - Proficient in JavaScript, TypeScript, and Solidity programming languages. - Extensive experience in frontend development using React, Redux, Zustand, and other related libraries. - Deep knowledge of blockchain technologies, including Hardhat, ethers.js, and OpenZeppelin. - Skilled in project management, with experience in developing decentralized applications and smart contracts. - Familiar with software development methodologies such as Scrum and Kanban. - Strong problem-solving and team-working skills, always ready to learn new technologies and take on new challenges.

Strong software engineer with 5 years of experience in blockchain development; - Proficient in TypeScript, JavaScript, Web3, and various blockchain technologies such as Rust/Solana, and Polygon/Solidity; - Skilled in smart contract development, DAO implementation, and blockchain integration with web applications; - Experienced in building decentralized applications (dApps) and NFT marketplaces; - Knowledgeable in implementing online crypto payments and blockchain-based gaming systems; - Familiar with AWS, Firebase, and other cloud services for scalable and secure application development; - Achievements include implementing tokenized player trading, decentralized tournaments, and interactive NFT marketplaces; - Strong problem-solving and troubleshooting skills with a solid understanding of browser and web concepts.

- Software Engineer with 5 years of experience in building web applications and expertise in blockchain, DeFi, NFT, and tokenization domains. - Proficient in programming languages such as Solidity, Node.js, Python, and Java. - Experienced in back-end development using technologies like Spring, Hibernate, and JDBC. - Skilled in working with blockchain technologies including Ethereum, ERC721, ERC1155, and EIP712. - Familiar with CI/CD tools like Jenkins and containerization platforms like Kubernetes and Docker. - Strong knowledge of database management systems like PostgreSQL, MySQL, and MongoDB. - Well-versed in agile methodologies like Scrum and Kanban, with a solution-oriented approach to project objectives.

- Blockchain developer / Software Engineer with 5 years of experience in the field. - Proficient in programming languages such as Solidity, Rust, and Python. - Extensive knowledge and experience in blockchain technologies including Ethereum, Optimism, Waffle, Truffle, and Ganache. - Skilled in backend development using frameworks like Django, Django Rest Framework, and FastAPI. - Experienced in working with databases like PostgreSQL and MongoDB. - Proficient in cloud services and DevOps tools such as AWS, Docker, and Docker Compose. - Strong expertise in version control systems like Git and collaboration platforms like Bitbucket and GitHub.

- More than 8 years of professional experience in backend development. - Proficiency at application architecture principles (including SOLID / DDD / DRY / KISS). - Understanding and efficient usage of design patterns. - Extensive experience in designing and implementing Cloud-based solutions across various delivery methods (SaaS, PaaS, IaaS), enhancing scalability, flexibility, and cost-efficiency. - Project/ tasks estimation (concept-based, milestone, roadmap, detailed). Agile / Scrum / Kanban (both team management & development). - Test-driven development (real unit- & acceptance- tests usage everyday). - High load optimization (both game backend and enterprise system solutions).

- Strong abilities working as Head of Projects Managers in a large technological company with several products; - Product manager with experience in NFT, GameFi, and FinTECH projects. - Nearly 11 years in IT domain positions like - Business Analyst, Project Manager, Product Manager, Marketing Manager, and PHP coder; - Strong skills working as a Delivery Manager; - In-depth knowledge of creating roadmaps and launching MVPs of blockchain projects; - Deep Experience with DeFi projects and Centralized Exchanges; - Good knowledge of creating and launching versions of launchpad, staking, and mobile crypto wallet for blockchain projects; - Experience in building teams and managing different types of projects to the market launch; - Work experience in creating the optimal product structure of the project; - Good skills in creating complete project documentation; - Experience in creating and launching a project brand; - Upper-Intermediate English; - Available: ASAP.

Alexander P. is a PHP developer with experience in building and supporting websites using PHP based frameworks. He has a Master's Degree in Information control systems and technologies. Some of his key technical skills include PHP, MySQL, REST, Laravel, WordPress, JavaScript, jQuery, AJAX, Vue.js, Git, XML, HTML, CSS, CI/CD, Docker, Google APIs, and Facebook API. He has worked on projects such as an online marketplace for booking event spaces, a CRM system for managing claims and vehicle repairs, and an iOS/Android application for meeting. Alexander has a strong background in software engineering and computer science education, with several years of experience in the field. He is proficient in various programming languages, technologies, and tools, and has experience with different methodologies, principles, and patterns in software development. Alexander's technical expertise and domain knowledge make him a standout candidate for software engineering positions.

- Self-motivated and result-driven front-end developer with 5+ years of experience - Skilled in Angular and JavaScript, with extensive experience in their development and ecosystem - Strong ability to write clean code, debug performance issues, and implement features based on client and user needs - Possesses good logical thinking and a high level of responsibility - Excellent attention to detail and ability to work well in a team - Proficient in various programming languages and technologies such as JavaScript, TypeScript, HTML, CSS, SASS, Angular 2+, npm, Webpack, Redux, Rest API, RWD, Figma, Bootstrap, rxJS, docker, ionic, firebase, and JWT - Experienced in working with databases like MongoDB and MySQL, and familiar with source controls like GIT and tracking systems like Jira and Trello. - Intermediate English - Availability starting from ASAP

- 10+ years overall of experience in IT - Management: Change management, Program management, Project management, Account management - Upper-Intermediate English

- 3+ years of experience in the IT industry as a Java Software Engineer - Upper-Intermediate English - Upper-Intermediate German - Available ASAP

- 10+ years of IT industry - Highly skilled software engineer with experience leading operations in software development projects. - Proficient in project management methodologies including Agile development with a focus on reducing costs and shortening process times. - Upper-intermediate English - Available ASAP

- A technology professional with 5+ years of experience in the blockchain industry, I specialize in the development of secure and reliable distributed ledger applications and smart contracts. - I am highly skilled in Ethereum, Aptos, Polkadot, and other distributed ledger technologies. Additionally, I have experience building and managing blockchain networks, developing core components and custom modules, deploying and operating blockchain nodes, and creating BaaS functionality for enterprise customers. My skillset also includes working with Solidity, Golang, Rust, Move, Cosmos SDK, CosmWasm, DeFi, DEX, and Multi-Chain Metaverse. - Try to learn new things and update your knowledge. Committed to the clients and always work with 100% client satisfaction.

- Developer with 18+ years of experience in large IT companies , with Bachelor’s Degree in Systems Analysis and Blockchain Engineer training. - Developer of Smart Contracts and tokens since 2017 (Solidity -EVM ) and a great enthusiast participant in the world of cryptocurrencies since 2014. - Data Science Academy Mentor in 2020. - Advanced English. - Available ASAP.

- Development and security audit of smart contracts for EVM compatible blockchains. - Deep experience in the development of NFT (ERC721/1155) tokens and in the Defi industry. - Upper-intermediate English. - Available ASAP.

- Been in Crypto space since 2017 and contributed to several DeFi and NFT projects on EVM chains. - Have deep understanding about most of the DeFi primitives including trading, staking, lending/borrowing, liquidity mining and bonding. - Intermediate English - Available ASAP

- Experience working with Solidity, and Hardhat; - Good abilities in creating smart contracts for dApps; - Good skills in creating plugins to integrate web3 in unity/unreal space from scratch; - Deep understanding of JavaScript, and React; - 5 years of expertise with Unity; - Experience with 2d/3d/Ar games with unity; - Good skills working with blackened for unity applications; - Experience with Photon, SmartfoxServer, and Nodejs; - Extensive knowledge of creating plugins for unity using Python, C++, and android studio; - English: Intermedidate.

- 6+ years of experience in iOS development; - In-depth knowledge of iOS SDK; - Experience working with fintech and cryptocurrency projects; - Good knowledge of the development of different mobile projects; - Experience working with Objective-C; - Deep abilities with Swift; - Good skills working with Firebase; - Experience in UI/UX implementation; - Good skills in maintenance and testing; - Upper-Intermediate English.

- Experience working with Solidity; - Good understanding of Blockchain technology; - 3+ years of experience in Smart Contract development; - Deep skills with Hardhat, and Truffle; - Experience working with ethers.js and Web3.js; - Good knowledge of Ethereum, and BNB Chain; - Experience working on dApps, DeFi, and NFT projects; - In-depth abilities in creating and deploying ERC20, ERC721, ERC1155, BEP20, and BEP721 tokens; - Intermediate English.

- 3+ years of experience in Blockchain development; - Good in writing smart contracts - writing multi-threaded codes; - Corda with Fluency in Solidity, Events, and Web3 ( Unix, Linux, scripting); - Good understanding of NFT, NFT Marketplace, and various Defi protocols - Experience in training and mentoring newbies smart contract auditors within the team; - Hands-on experience working on Ethereum and Hyperledger; - Good skills with C, C++, Java, HTML, Javascript, Golang, Node js, Python, React.js; - Knowledge of technical writing and research on Blockchain and Cybersecurity; - Intermediate English.

- Blockchain Developer with 5+ yrs of experience - Motivated to learn and deploy new technologies to bring transparency, decentralization, security & equality at low cost. - Advance Daaps development: Solidity+Web3(React) - Layer 2 Scaling Solution (Polygon), Avalanche(AVAX) - NFT Marketplace(ERC - 721/1155), Crypto Payment Solutions & DeFi Cross Chain Bridges - ERC-20 Tokens, ICO, DEX, Staking, Swapping - DAO + Multi-Sigs Wallets - Available ASAP

-Coins, tokenomics, community -DeFi -Play2Earn -Metaverses -Nodes and testnets -NFT -Analysis of smart contracts, identification of scam types (Regpool, Honeypot, etc.) -Lunchpad operation and private project rounds -Successful cases in trading due to fundamental and technical analysis (spot trading) - Advanced English - Available: ASAP

Acquired a bachelor's degree in Information Systems from UNIVEM in Brazil. Since 2014 work as a Web Developer and since 2021, I have been working closely with Web3 technologies. I always look to broaden my knowledge in the area and enjoy participating in new projects. - 8+ years experience in software development; - 5+ years experience with Ruby on Rails; - 3+ years experience with React / Next; - Experience working on projects related to the NFT marketplace and Web3 integration; - Good skills use Solidity for creating smart contracts (ERC-721 tokens); - Experience working with TypeScript, Go on different blockchain projects; - Worked with projects in the field of DeFi and DAO; - Intermediate English; - Available ASAP.

- 7+ Year Experience of leading teams and developing products. - Led teams of 5 to 60 people across technology, business, marketing and design. - Proficient in Design and Prototyping tools, specially Figma, Familiar with Data visualization, Agile Development, Business Analysis, Software development life cycle(SDLC), A/B Experimentation - Search Engine and AdSense Optimization, Social Media Marketing tools, Flask, Latex - Upper-Intermediate English. - Available ASAP

- A dedicated and goal-oriented individual with 3+ years of experience in the field of blockchain research and development; - Developed a blockchain prototype application that helps track the expenditure of public funds; - Conducted workshops, seminars, and webinars for students and professionals on various blockchain technologies; - Developed blockchain smart contracts for a central government-funded vaccination supply chain management project using Solidity; - Available: ASAP.

- Web Developer for 6 years in both Front-end and Back-end web development. - Good experience in Blockchain and solidity. - Upper-Intermediate English. - Available ASAP.

- Acquisition of global web development expertise for 7 years, possessing the ability to overcome pressure and stressful conditions, 3 years of architecture and design technology in a wide range of blockchain fields including Dao, Defi and NFT - Advanced English - Available ASAP

- 4 years of experience in Ethereum blockchain and Solidity programming. - 2 years of experience in C , Python programming. - Highly professional blockchain developer with comprehensive accomplishments applying high-security smart contracts to ensure success and achieve goals. - Strong experience in EVM-compatible smart contracts development. Demonstrated success developing and seamlessly executing smart contracts in complex DeFi and DEX structures. - Upper-Intermediate English - Available ASAP

- Helping shape the fast growing blockchain industry.- Digital Assets- Consulting- Native English

- IT project director and startup founder passionate about the banking, fintech, blockchain industries. - Results-driven Product Manager with forward-thinking approach centered on company success and competitive growth. - Record of success in building successful teams and managing different type of project to the market launch. - Experience on working with DeFi, NFT, dApp, Crypto related project and platform launches over highly volatile market within cross-functional teams. - Successfully launched fintech startup and also managed Scrum development team in largest Sweden Bank data warehouse unit. - 7+ years of experience in IT. - Advanced English.