AOAjayi Oluwasegun
@ajayioluwasegun
Frontend-focused developer with 5+ years of experience in web development.
NigeriaWhat I'm looking for
I am a frontend-focused developer with over 5 years of experience in building modern, responsive web interfaces using technologies like React.js, Next.js, TypeScript, and Tailwind CSS. My expertise lies in creating pixel-perfect UIs from Figma, incorporating advanced animations and smooth transitions using Framer Motion. I also possess strong full-stack capabilities, with backend experience in Node.js, Express.js, MongoDB, and PostgreSQL, allowing me to build robust APIs and server-side logic.
Throughout my career, I have demonstrated a deep understanding of Web3 development, including smart contract creation and dApp integration using Solidity and related tools. I pride myself on writing modular, maintainable codebases and implementing state management solutions to ensure optimal performance. As a proven leader, I have successfully managed teams and collaborated across design, product, and engineering teams to deliver user-centered features quickly and effectively.
Experience
Work history, roles, and key accomplishments
Software Engineer | Web Developer
LOGR
Oct 2023 - Present (1 year 7 months)
Created a user dashboard to render wastewater management plant data, including a complex SVG graphic representation of the flow. Integrated with a backend API for efficient data fetching and display.
Full Stack Developer | Blockchain Developer
Freelancing
Sep 2021 - Present (3 years 8 months)
Developed various single-page applications, converting Figma designs into pixel-perfect code based on client requests. Wrote, tested, and deployed ERC721 and ERC1155 smart contracts to Ethereum, Polygon, and Binance Smart Chain networks. Created full-stack NFT minting dApps using Solidity, JavaScript, Hardhat, EthersJs, and Infura.
Software Engineer | Web Developer
Xceleon LLC
Aug 2023 - Jun 2024 (10 months)
Developed modern user interfaces for a car upfitting application, integrating 3D models and sequences on the client application. Led a team of two designers and two developers, ensuring successful project delivery and custom API integration.
Software Engineer | Blockchain Developer
Usecoins
May 2022 - Jul 2023 (1 year 2 months)
Integrated payment checkout APIs for crypto payment gateways and developed a JavaScript SDK for the platform. Implemented Metamask wallet integration and set up WebSockets for real-time payment confirmation. Created a smart contract to manage multi-address debit and single-address credit transactions.
Fullstack Software Engineer | Blockchain Engineer
Giftroom Inc
Dec 2021 - Jul 2023 (1 year 7 months)
Created backend architecture for an NFT marketplace and developed, tested, and deployed Solidity smart contracts. Integrated smart contracts with React frontend for both admin and customer UIs using tools like Hardhat, Infura, and EthersJs. Wrote, tested, and documented backend APIs with Node.js, Express, and MongoDB, and managed project infrastructure on Heroku.
Smart Contract Development and Integration Engineer
ECLA
May 2022 - Oct 2022 (5 months)
Wrote, tested, and deployed Solidity smart contracts to the Polygon blockchain network. Responsible for creating ERC721, ERC1155, and ERC20 smart contracts for various NFT projects and token creation.
Education
Degrees, certifications, and relevant coursework
Federal University of Technology, Akure
B.Tech, Computer Science
Studied Computer Science, focusing on various aspects of software development and technology. Gained foundational knowledge and practical skills in the field.
Tech stack
Software and tools used professionally
Availability
Location
NigeriaAuthorized to work in
Skills
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