Josue Barrios

About

Highly skilled Full Stack Developer proficient in React, React Native Developer with 8 years of experience in developing cross-platform mobile applications. Proficient in JavaScript, React, Next.js, Shadcn/ui, TailwindCss, Vite and React Native frameworks. Strong problem-solving abilities and a passion for creating user-friendly and visually appealing mobile applications. Committed to delivering high-quality code and meeting project deadlines.

Experience

• Senior Full Stack Developer · InSite Health04-01-2024 – 09-01-2024

  • Built interactive and dynamic user interfaces using React.js, leveraging reusable and maintainable components. • Designed and implemented force-directed graph visualizations and workflows using React Flow. • Customized nodes, edges, and layouts in React Flow to create highly interactive and intuitive diagrams. • Integrated MongoDB with React Flow to dynamically generate and visualize graph data in real-time. • Developed and optimized Cypher queries for retrieving, updating, and managing graph-based data structures. • Optimized rendering performance using techniques like memoization and efficient lifecycle management. • Collaborated in an Agile environment, using GitHub for version control and CI/CD pipelines for deployment. • Delivered scalable and maintainable frontend solutions tailored to project requirements and client goals

• Senior Frontend Developer · The Org01-01-2023 – 09-01-2023

  • Built and maintained feature-rich React.js applications with a focus on scalability and performance. • Developed interactive graph-based visualizations using React Flow, incorporating custom components and real-time data updates • Utilized Neo4j graph database for advanced data modeling and implemented efficient Cypher queries to handle relationship-heavy datasets. • Designed seamless integrations between Neo4j and React Flow to visualize and explore complex data structures dynamically. • Created responsive and pixel-perfect UI components, ensuring compatibility across devices and browsers. • Collaborated with cross-functional teams in Agile settings, delivering high-quality features within tight deadlines. • Used Git for version control and Docker to streamline the development and deployment process. • Focused on writing clean, maintainable, and well-documented code while adhering to best practices in software engineering. • Contributed to system architecture discussions, ensuring efficient database interactions and front-end performance optimization.

• Full Stack Developer · Loop Finance02-01-2020 – 06-01-2022

  • Develop number of smart contract and deploy on truffle and main net • Develop Keplr wallet and implement Bridge function • Integrate wallet connect using web3 and ethers library • Build a Typescript + React JS, with Node.js + Express.js +Mongo backend • Build react.js component using bootstrap • Build pixel-perfect UI and fully responsive page • Using Redux-Thunk for state management and integrating to backend • Setup docker environment for development and setup server on AWS ec2 • Using PostgreSQL for faster speed of huge number of requests • Extensively utilized GitHub for version control in an agile development environment • Developed and implemented blockchain metaverse using Hyperledger Fabric, Go-Ethereum, or other open-source frameworks. • Designed and developed smart contracts to be deployed on the blockchain network in accordance with business requirements. • Analyzed user stories and designed architecture for implementing new features related to blockchain technology. • Participated in peer code reviews and provided feedback to peers as well as mentored less experienced developers. • Documented design decisions and participated in architectural review meetings when applicable.

• Full Stack Developer · Tatteme06-01-2019 – 03-01-2021

  • Developed cross-platform mobile applications using React Native framework for iOS and Android platforms. • Collaborated with a team of designers and backend developers to implement UI designs and integrate APIs. • Implemented complex features and functionalities using Flutter widgets and custom UI components. • Integrated Firebase services for authentication, database, and push notifications. • Optimized application performance by addressing performance bottlenecks and reducing loading times. • Conducted unit testing and bug fixing to ensure application stability and quality. • Actively participated in agile development processes, including daily stand-ups and sprint planning meetings. • Communicated regularly with clients to gather requirements, provide progress updates, and address feedback.

Education

• HEC MontrealBachelor Of Engineering Software, Computer Science

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