harismickey

• Developed and deployed robust smart contracts using Solidity, facilitating secure and transparent transactions in the DeFi ecosystem. • Utilized the Ethereum blockchain for building decentralized applications (dApps), implementing features such as token creation, staking, and liquidity pools to enhance user engagement. • Conducted thorough smart contract audits and optimization processes to ensure gas efficiency and security, reducing transaction costs for users. • Integrated Chainlink oracles to provide real-time data feeds for smart contracts, enhancing functionality for dynamic pricing and automated trading strategies. • Collaborated with frontend developers to create seamless interactions between dApps and smart contracts using Web3.js, ensuring a smooth user experience across all platforms. • Used Redux promise and Redux middleware libraries such as redux-thunk and redux-saga to consume RESTful and GraphQL APIs. • Integrated GraphQL to facilitate efficient front-end and back-end communication, optimizing data retrieval and app performance. • Utilized PostgreSQL for relational database management, optimizing queries for high performance and data integrity. • Implemented unit and integration testing using Jest and Mocha, ensuring high code quality and minimizing regressions. • Drove Agile methodologies, participating in sprint planning and retrospectives to improve team processes and product delivery timelines. • Conducted technical workshops and knowledge-sharing sessions to promote blockchain literacy within the team, empowering developers to leverage emerging technologies effectively. • Implemented rigorous automation testing with Jest and Detox, ensuring comprehensive coverage across unit, integration, and end-to-end scenarios using Mocha and Enzyme.

• Developed personalized features for photobooks and photo gift products, leading to a measurable increase in user engagement and customer satisfaction scores. • Streamlined the development process by creating reusable TypeScript components, reducing redundancy and accelerating feature delivery. • Enhanced user interfaces by leveraging Material UI, SASS, and Tailwind CSS, resulting in improved layout efficiency and streamlined maintenance of existing components. • Implemented automated testing strategies with Jest and Cypress, achieving 85% test coverage and significantly reducing the number of critical bugs in production. • Leveraged Git for effective version control and Jenkins for streamlined Continuous Integration and Continuous Deployment (CI/CD), ensuring consistent code quality and efficient deployment processes. • Collaborated closely with UI/UX designers, resulting in a redesigned user interface that improved user navigation and overall experience, directly contributing to a higher conversion rate. • Actively engaged in on-call support, promptly addressing urgent bug fixes and providing timely assistance to enhance customer satisfaction. • Integrated Firebase for real-time database management, which enhanced the application’s performance and scalability, providing a smoother user experience during high traffic periods. • Led a team of five developers through technical challenges, fostering a collaborative environment and ensuring timely project. milestones were met through effective task delegation and pair programming.

• Built and maintained full-stack web applications using React.js and Node.js for enterprise-level clients. • Eliminated unnecessary re-renders by effectively implementing useCallback and useMemo hooks. • Using asynchronous JavaScript to avoid DOM construction blocking. Using AJAX to control the amount of HTML loading, and decrease the workload of constructing the DOM tree. • Utilized AI-driven components to automate content generation for marketing tools and enhanced the platform’s scalability using cloud solutions. • Implemented Redis for efficient caching, significantly enhancing application performance and reducing latency in data retrieval. • Utilized a Content Delivery Network (CDN) to optimize asset delivery, enhancing website load times and improving overall user experience through reduced latency. • Employed bundle splitting strategies to optimize the delivery of JavaScript assets, enhancing application performance by reducing load times and ensuring efficient resource utilization during user interactions.

• Developed and maintained web and mobile applications leveraging JavaScript, React.js, React Native, and Node.js for a seamless user experience. • Designed and implemented visually engaging front-end pages using HTML, CSS, and jQuery to facilitate intuitive user interactions. • Engineered robust JavaScript code to enhance page interactivity, ensuring a responsive and dynamic user interface. • Adopted React Native best practices, effectively tackling challenges, debugging issues, and guaranteeing the scalability and reliability of the codebase. • Developed a comprehensive doctor consultation platform utilizing React and React Native for dynamic user interfaces, alongside Firebase for real-time data management, Redux for state management, Node.js for backend services, and Twilio for seamless communication.