Senior Blockchain Engineer
Current
Jan 2022 - Present
Who is Sergey V.? Overview
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Sergey V. is listed as Senior Blockchain Engineer at VCRED at VCRED, based in Sofia, Sofia City, Bulgaria. AeroLeads shows a matched LinkedIn profile for Sergey V..
Sergey V. previously worked as Senior Blockchain Engineer at Vcred and Senior Web3 Engineer at Dego Labs. Sergey V. holds Master Of Science - Ms, Computer Science from Sofia University St. Kliment Ohridski.
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Email format at VCRED
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VCRED
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Profile bio
About Sergey V.
Experienced Senior Blockchain Engineer with over 10 years of expertise in designing, implementing, and maintaining complex blockchain solutions. Proficient in blockchain architecture, smart contract development, cryptography, and decentralized applications. Proven ability to lead teams in the development of scalable blockchain ecosystems across various industries, including finance, supply chain, and healthcare. Strong background in Ethereum, Hyperledger, and Solidity, with a focus on security, efficiency, and innovation.TECHNICAL SKILLS: Languages: Solidity, Golang, Rust, Javascript, Typescript, Python, SQLBlockchain: Ethereum, Polygon, Avalanche, Solana, Near, IPFSFrameworks: Hardhat, Foundry, Truffle, Geth, Ganache, Openzeppelin, ethers.js, web3.js, Slither, Echidna, MythX, MythrilBackend: Node.js, Express.js, MySQL, PostgreSQL, MongoDB, Redis, RESTful APIs, GraphQLFrontend: React.js, Redux, Next.js, React Native, HTML, CSS, Tailwind CSS, Material UI, BootstrapDevOps & Cloud: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Terraform, Serverless ArchitectureTools & Platforms: Git, GitHub, GitLab, Bitbucket, Jira, Confluence, Webpack, Babel, NPM, YarnTesting: Jest, Mocha, Chai, Cypress, SeleniumOther: Microservices, Agile/Scrum, API Design, Software Architecture, Code Review, Technical Leadership
Current workplace
Sergey V.'s current company
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4 roles
Sergey V. work experience
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Senior Web3 Engineer
Dego Labs
• Led the end-to-end development of a decentralized NFT marketplace that allows users to mint, buy, sell, and auction digital assets securely and efficiently.• Architected and deployed smart contracts on the Ethereum blockchain to support the creation and trading of ERC-721 and ERC-1155 tokens, ensuring compliance with industry standards.• Implemented a custom auction system that increased platform user engagement by 20% and boosted the overall transaction volume by 15%.• Collaborated with UI/UX designers to create an intuitive, user-friendly interface, resulting in a 12% increase in user retention and satisfaction.• Conducted smart contract audits and security testing, reducing vulnerabilities and ensuring safe handling of digital assets worth over 1M in transactions.• Integrated the marketplace with popular cryptocurrency wallets (e.g., MetaMask, Trust Wallet) to streamline user onboarding and transaction processes.• Mentored junior developers in blockchain development best practices, contributing to a 27% improvement in code quality and project delivery timelines.
Jul 2020 - Dec 2021
Blockchain Developer
• Participated in the full development lifecycle of blockchain applications, from requirements gathering to deployment and maintenance.• Wrote and optimized smart contracts using Solidity and Vyper, ensuring efficient and secure execution on the Ethereum network.• Assisted in the creation of technical documentation and user guides, improving the accessibility and understanding of blockchain technologies for non-technical stakeholders.• Collaborated with the QA team to perform rigorous testing of blockchain solutions, identifying and resolving bugs before deployment.
Feb 2017 - Jun 2020
Full Stack Engineer
• Designed and developed backend services catering to diverse sectors, including Health & Wellness, Retail, and Financial Services in Java, Ruby on Rails and Node.js.• Led the optimization of complex SQL database search queries, enhancing the performance of a system serving over 1 million users. • Integrated third-party APIs, enabling real-time payment processing and order tracking.• Created dynamic and interactive UI components using jQuery and Bootstrap.• Collaborated closely with product managers and stakeholders to gather and refine requirements.• Provided support and maintenance for legacy systems, ensuring smooth operation and minimizing downtime.
May 2013 - Jan 2017
1 education record
Sergey V. education
FAQ
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Quick answers generated from the profile data available on this page.
What company does Sergey V. work for?
Sergey V. works for VCRED.
What is Sergey V.'s role at VCRED?
Sergey V. is listed as Senior Blockchain Engineer at VCRED at VCRED.
Where is Sergey V. based?
Sergey V. is based in Sofia, Sofia City, Bulgaria while working with VCRED.
What companies has Sergey V. worked for?
Sergey V. has worked for Vcred, Dego Labs, Dfyn Network, and Dreamix.
How can I contact Sergey V.?
You can use AeroLeads to view verified contact signals for Sergey V. at VCRED, including work email, phone, and LinkedIn data when available.
What schools did Sergey V. attend?
Sergey V. holds Master Of Science - Ms, Computer Science from Sofia University St. Kliment Ohridski.
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