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Romel CastilloFull Stack Developer (React.js/Node.js)
Email
[email protected]
Phone
7083903236
Location
Redwood Drive, Baton Rouge, LA 70801
Profile

Experienced Full Stack Developer with over 9 years in building high-performance web applications. Specialized in React.js and Node.js, with a proven track record of designing scalable, user-centric solutions for eCommerce, CMS, and CRM platforms. Skilled in optimizing databases, integrating third-party APIs, and developing responsive UIs for seamless cross-device experiences. Known for a collaborative approach and commitment to delivering clean, maintainable code. Always keen on adapting to new technologies and best practices to drive impactful project results.

Professional Experience

Full Stack Developer

Kanda software - Remote
Nov 2022 – Sep 2024 | Newton, MA

  • •Developed and maintained multiple web applications for diverse clients, using React.js for front-end development and Node.js for back-end processes. Delivered high-performance solutions that were responsive across devices and built for scalability.
  • •Designed and optimized RESTful APIs, enhancing application performance and data efficiency. Integrated a range of third-party APIs, ensuring secure, seamless data exchange and expanding application functionality.
  • •Led efforts to optimize MySQL and MongoDB databases, achieving a 25% reduction in query times and significantly enhancing data handling for high-traffic applications.
  • •Spearheaded the development of a custom CMS for a high-traffic client, improving site performance by 40% and creating a more responsive user experience. Optimized server response times and UI components, leading to smoother interactions.
  • •Played a key role in designing and launching an eCommerce solution with enhanced user accounts, secure payment processing, and optimized inventory management, contributing to a 30% increase in user engagement and transactions.
  • •Used React.js to create dynamic, responsive interfaces, focusing on optimized load times and usability. Built front-end components with reusability and scalability in mind to support long-term growth.
  • •Worked closely with cross-functional teams, including designers, QA, and project managers, to ensure that client needs were met. Maintained high standards for code quality and consistency.
  • •Actively participated in Agile processes, including sprints, daily stand-ups, and code reviews, to deliver maintainable code that met project deadlines and requirements.
  • •Kept up-to-date with industry trends, applying new technologies and best practices in full-stack development to improve performance, scalability, and functionality in client project.
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    Full Stack Developer

    ScienceSoft - Remote
    Sep 2020 – Aug 2022 | Dallas area, TX
  • •Architected and implemented custom authentication solutions using JWT and OAuth, improving security and session management, leading to a 15% increase in user retention rates.
  • •Enhanced application deployment workflows by automating CI/CD pipelines with Teamcity and GitHub Actions, reducing deployment times by 40% and minimizing production downtime.
  • •Automated daily data synchronization processes using cron jobs in Node.js, reducing manual work and ensuring data consistency across multiple microservices.
  • •Enhanced SEO performance by implementing server-side rendering with Next.js, boosting organic search traffic and site discoverability.
  • •Improved data processing speed by implementing Redis caching for frequently accessed data, reducing API load by 50% and decreasing response times.

    • Front End Developer

    AllianceTek - Remote
    Nov 2018 – Jul 2020 | Boston, MA
  • •Specialized in creating responsive and high-performing front-end applications with React.js, ensuring compatibility across various browsers and devices for a seamless user experience.
  • •Collaborated with back-end developers, designers, and project managers to build cohesive, high-quality web solutions that met client requirements and aligned with design specifications.
  • •Optimized the front-end performance of multiple applications by implementing advanced techniques, leading to faster load times and enhanced interactivity.
  • •Applied best practices in React, focusing on state management and component reusability, which resulted in a more efficient and maintainable codebase.
  • •Participated in code reviews and testing sessions to uphold coding standards and ensure a smooth deployment process for each project.
    • Skills
    React.js/Next.js
    Vue/Vuetify
    Node/Express
    MySQL/PostgreSQL
    GraphQL/Agile
    Unit Testing
    JavaScript/TypeScript
    Angular
    ASP.NET/C#
    MongoDB/Firebase
    Jira/Trello/Asana
    Docker/Kubernetes
    HTML5/CSS3
    Redux
    Laravel/PHP
    Webpack
    Postman
    Github/Gitlab
    Sass/Less
    Tailwind CSS
    Nuxt.js
    RESTful APIs
    CI/CD pipeline
    Slack
    Education

    De La Salle University

    Bachelor degree of Computer Science
    2012 – 2016 | Philippine

    Data Structures & Algorithms, Web Development, Software Engineering, Database Management Systems

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