Hire the best JavaScript Developers in Corona, CA

Check out JavaScript Developers in Corona, CA with the skills you need for your next job.
Clients rate JavaScript developers
Rating is 4.8 out of 5.
4.8/5
based on 2,042 client reviews
  • $70 hourly
    Hello, My name is Guillermo and I am a Full Stack Web Developer. I specialize in building web applications with React, Typescript, Node.js, and Python. I have extensive experience turning UI/UX designs into responsive and efficient web pages with modern frameworks such as Next.js, and Remix. I can also work on building backend APIs with FastAPI/Express using SQL/NoSQL databases such as MongoDB and PostgreSQL. I am always learning and keeping up to date with the best practices for building web applications that scale efficiently and don't create technical debt for future developers. I am confident that I can be a part of your team of developers and can contribute right away. I can also come in as an engineer that can build a strong foundation for your web application. Let's work together to build the best web application possible! Guillermo.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    DevOps
    Node.js
    React
    Django
    React Native
    Tailwind CSS
    Amazon Web Services
    Next.js
    Python
    TypeScript
    API
    HTML
    CSS
    PostgreSQL
  • $90 hourly
    With over 10+ years of knowledge and experience in Full Stack web and mobile development in React.js/redux/Vue/Angular applications for the web, mobile hybrid react native/flutter app and embedded in Electron with proficient backends including PHP, NodeJS, Python Flask, ASP.NET and others. My primary abilities include: * Frontend - React.js, Vue, Redux, Angular 2, 4, 5, 6, jQuery, Material Design, HTML/CSS/Bootstrap * Backend - Node.js, Ruby on Rails, Express, PHP, Firebase, Python/Flask * Framework - React Native, Flutter, IONIC, CodeIgnitor, Laravel, Drupal, Django * Database - Firestore, MongoDB, Postgre, MySQL * Native Mobile - Objective-C, Swift, Java, Kotlin * Unit Testing - Jest, Jasmine * Source Control / CI - Git, GitHub, GitLab, BitBucket, CircleCI, Travis CI * Deployment - AWS(Amazon Web Services), GCP(Google Cloud Platform), Heroku, DigitalOcean * Task management tool - JIRA, Asana, Pivotal Tracker, Trello As new techniques emerge in the software field, I am able to provide faster and more efficient development. My approach is to create applications that are easier to use and more "inviting" to the user. Aesthetically pleasing sites and applications that look great, and work hard to make everyone's job easier. Thank you for taking the time to learn more about me. Feel free to contact me any time so that I can help you reach your online goals and make you and your team successful.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Flutter
    Web Scraping
    React Native
    Shopify
    Firebase
    AWS Lambda
    ChatGPT
    WordPress
    PHP
    Python
    Ruby on Rails
    .NET Framework
    Angular
    Vue.js
    Node.js
    React
  • $45 hourly
    PROFESSIONAL SUMMARY Accomplished Kintone developer with a strong focus on app redesign to optimize service workflows and enhance efficiency. Proven success in revamping applications to eliminate time-consuming manual procedures, resulting in significant productivity gains. Experienced in leveraging Kintone JavaScript API and Kintone REST API for effective data management and seamless integration. Adept at customizing user interfaces (UI) to improve usability and enhance user experience (UX). Dedicated to delivering solutions that drive operational excellence and maximize user satisfaction. TECHNICAL SKILLS • Kintone Platform: App Development, Customization, App Redesign, Administration • Programming Languages: JavaScript, HTML, CSS • Graphic Design: Adobe Photoshop, Illustrator, InDesign • API Integration: Kintone JavaScript API, Kintone REST API, Authentication • Database Management: Kintone Apps, Forms, Records, Fields, Views, UI/UX • Process Management: Workflow Automation Setup and Configuration INDUSTRY EXPERIENCE • Service Industry • Healthcare • Insurance • Financial Accounting CERTIFICATIONS • Retail Sales Foundations • Conflict Resolution Foundations • Customer Service Foundations • Healthcare IT Technician • Adobe Certifications in Photoshop, Illustrator, and InDesign • Certificate in Advanced Software Technologies, Emphasis in Web Technologies ( UC Irvine ) EXPERIENCE Kintone Programmer / Cloud App Developer, (Part-Time, Remote Contract), Dec 2021 - Present SNK America, Inc. (Shin Nippon Koki 新日本工機), Mount Prospect, IL, 60056 Serve as a remote programmer for SNK America, Inc., the offshore distributor of SNK Japan specializing in the manufacturing and servicing of large industrial machines for the aerospace, automotive, and energy sectors. Utilize Kintone, Japan's leading Platform as a Service (PaaS) and cloud-based application development platform, to create custom applications that automate the service workflow and streamline business processes. Perform technical analysis to assess the current state of Kintone apps, focusing on system stability, usability, availability, and performance within the context of service workflow. Redesign and develop a new Quotes App on the Kintone platform to automate the service quotes workflow and eliminate time-consuming manual procedures, thereby streamlining business processes. Conduct functional analysis to ensure optimal page loading speed, responsiveness, and performance across major browsers, thereby ensuring cross-browser compatibility. Design, develop, and implement a new Proforma App using App Actions to complement the existing Quotes App. Write custom JavaScript codes to automate the generation of proforma invoices from the Quotes App, thereby reducing manual data entry and minimizing errors. Configure application permissions to integrate the Proforma App with the Quotes App, thereby enhancing the overall user experience. ##### Kintone Developer, (Part-Time, Remote Contract), Jul 2023 – Sept 2023 Fugue Lauman, Fairhope, AL 36532 Served as a Kintone developer for Fugue Lauman, a staffing agency specializing in the recruitment of skilled workers across diverse industries. Leveraged Kintone Process Management to strategically integrate three separate applications to streamline recruitment and HR processes, enabling the agency to effectively manage candidate pipelines, expedite hiring processes, and workforce mobilization. ##### Kintone Developer / Consultant, (Part-Time, Remote Contract), Mar 2023 – May 2023 OREP Insurance Services, LLC, San Diego, CA, 92115 Served as a Kintone developer for OREP Insurance Services, LLC, a privately owned company specializing in offering insurance products and services for real estate professionals, including agents, brokers, appraisers, inspectors, and others within the industry. Provided expert guidance and consultation on technical matters related to Kintone. Collaborated with the client to understand the requirements and implemented application changes to meet the business needs.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Infographic
    Photo Editing
    PDF
    Documentation
    Automated Workflow
    Linux
    Cloud Development
    Business Process Automation
    RESTful API
    HTML
    CSS 3
  • $95 hourly
    I specialize in WordPress, Laravel, OpenCart, Smartsheet API, Rev.io API, Hubspot, and Website Design and Development. I have experience building custom WordPress themes, plugins, page templates, front-end design and more. I also build custom applications using the Laravel framework. I specialize in working with API's and Database integration. I have build applications connecting eCommerce sites to Amazon MWS, Jet, Walmart, Ebay and other marketplaces. Building custom web applications is my area of strength and specialty.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    API Development
    Amazon MWS
    HubSpot
    WordPress Theme
    WordPress Plugin
    HTML
    Shopify
    API Integration
    WordPress
    CSS
    HTML5
    Laravel
    PHP
  • $50 hourly
    I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! I have experience in .Net, SQL Server, jQuery, bootstrap, Restful API, HTML, CSS etc.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    WordPress
    PHP
    C#
    Object-Oriented Programming
    API Development
    RESTful API
    Bootstrap
    MySQL
    .NET Framework
    RESTful Architecture
    jQuery
    SQL
  • $50 hourly
    Experienced Perl Developer with a proven track record of over 15 years in designing and implementing web applications. Proficient in both front-end and back-end technologies, with a strong background in Perl, mod_perl, and Perl::DBI. Adept at collaborating with cross-functional teams to deliver high-quality software solutions.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Docker
    PostgreSQL
    Perl Catalyst
    jQuery
    Linux
    Bash
    MongoDB
    Git
    MySQL
    Perl
  • $20 hourly
    🌟 Looking for a seasoned Full Stack Developer with over a decade of experience? Your search ends here! 🌟 👨‍💻 Passion drives my work, and innovation shapes my code. With more than 10 years of experience in full-stack development, I have a proven history of delivering exceptional, high-quality projects on time and within budget. I thrive in dynamic, fast-paced environments, consistently tackling complex challenges with skill and determination. 💼 As an experienced Full Stack Developer, I specialize in: 🔹 Frontend Development: Crafting responsive, pixel-perfect UIs with HTML5, CSS3, JavaScript, React.js, Vue.js, and Angular, ensuring a seamless, intuitive user experience across devices and platforms. 🔹 Backend Development: Designing and building scalable, high-performance server-side solutions with Node.js, Express.js, Python Django, Ruby on Rails, and Java Spring Boot, ensuring robust API integrations and efficient data processing. 🔹 Database Management: Architecting efficient, optimized databases with MySQL, MongoDB, PostgreSQL, SQLite, and Firebase, ensuring fast, reliable data storage and retrieval. 🔹 DevOps & Cloud: Implementing CI/CD pipelines, containerization with Docker, and deploying on cloud platforms such as AWS, Azure, and Google Cloud, ensuring seamless and scalable application delivery. 🔹 Version Control & Collaboration: Expertise in Git, GitHub, GitLab, and Bitbucket for effective collaboration and source code management across teams. ⏰ Flexible working hours tailored to your project needs. I maintain transparent communication and provide regular updates, ensuring your project progresses smoothly and successfully. 💡 Ready to take your project to the next level? Let's work together to transform your vision into reality! Contact me today, and let’s build something extraordinary! 💡
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    jQuery
    Angular
    Node.js
    Vue.js
    React
    CSS 3
    HTML5
    Back-End Development
    Ruby on Rails
    Laravel
    MySQL
    API Integration
    PHP Script
    PHP
  • $40 hourly
    I'm Ahmed Hassan from California, a Senior Full-Stack & AI engineer with over 15 years of experience in delivering scalable web applications and cloud solutions. Especially, I have rich experience in building the AI-powered applications such as Resume Generator, Meal Plan Generator, etc I specialize in building custom SaaS platforms and web apps that streamline processes and drive business growth. My expertise lies in creating responsive, user-centric designs and writing clean, maintainable code. I am proficient in React/Next.js, JavaScript/TypeScript and Python/Django with a strong understanding of cloud services and agile workflows. I work closely with clients to understand their unique needs, ensuring that the final product aligns with business objectives and provides real value. My ability to bridge the gap between business and technology enables me to deliver solutions that enhance efficiency and support long-term growth. Here is my proficient skills for web application development. ✅ Front-end: React / Next.js / Vue / Angular / Laravel / Tailwind CSS/ MUI / Chart.js and etc. ✅ Back-end : Node.js / Express.js / Python / Django / Flask / Laravel / Supabase ✅ Database: MySQL / PostgreSQL / MongoDB / Prisma / Firebase ✅ Cloud Service: AWS / Azure / GCP / DO / Vercel / Heroku / VPS Let's bring your vision into life together. Best regards Ahmed (Eddie) Hassan
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Large Language Model
    AI Agent Development
    Machine Learning
    Artificial Intelligence
    ChatGPT API
    FastAPI
    Prompt Engineering
    Flask
    Django
    Python
    Vue.js
    TypeScript
    Node.js
    React
  • $25 hourly
    With a decade of experience as a CMS Developer and Mobile App Specialist, I create powerful, user-friendly solutions that deliver real results. From building seamless content management systems 🛠️ to crafting intuitive mobile apps 📱, I bring innovation, precision, and a passion for excellence to every project. 💼 Specializations: CMS Development: Customization: 🌐 WordPress: Tailoring WordPress to suit specific needs, including layout adjustments, custom functionalities, and third-party tool integration. 🌐 Joomla: Expert in customizing Joomla for optimal performance and seamless integration with existing systems. 🌐 Drupal: Proficient in modifying Drupal to enhance usability and functionality according to client requirements. 🌐 Shopify: Specializing in customizing Shopify to improve eCommerce capabilities and user experience. Theme and Plugin Development: 🎨 Bespoke Themes: Designing visually stunning and highly functional themes that align with your brand identity and provide an engaging user experience. 🎨 Custom Plugins: Developing advanced plugins to add unique features and functionalities to your CMS, ensuring a tailored solution for your business needs. Optimization: ⚡ Website Speed: Implementing cutting-edge strategies to maximize website speed and ensure fast loading times. ⚡ SEO Rankings: Improving SEO rankings through on-page optimization, keyword integration, and best practices in content management. ⚡ Performance Enhancement: Enhancing overall website performance with optimized code, efficient database management, and responsive design techniques. Security: 🔐 Authentication Methods: Implementing robust authentication methods to secure user data and access control. 🔐 Encryption Protocols: Utilizing advanced encryption protocols to protect sensitive information and ensure data integrity. 🔐 Regular Updates: Maintaining website security through regular updates and patches to prevent potential vulnerabilities. Mobile App Development: Native App Development: 🛠️ iOS Development: Proficient in Swift, ensuring seamless performance and an optimal user experience. 🛠️ Android Development: Skilled in Java and Kotlin, delivering robust and high-performing Android applications. Cross-Platform Development: 🌐 React Native: Experienced in using React Native to develop high-quality apps that run smoothly across both iOS and Android platforms. 🌐 Flutter: Proficient in Flutter, enabling the creation of visually appealing and natively compiled applications for multiple platforms from a single codebase. UI/UX Design: 🎨 User Interface Design: Skilled in designing intuitive and visually appealing interfaces using tools like Sketch, Figma, and Adobe XD. 🎨 User Experience Optimization: Enhancing user satisfaction and usability, driving engagement and retention through thoughtful design and user testing. Backend Integration: 🔗 API Integration: Capable of integrating various backend services and APIs to provide dynamic content and functionality. 🔗 Cloud Services: Experienced with cloud platforms such as AWS, Firebase, and Azure for backend solutions. Performance Optimization: ⚡ Code Optimization: Implementing efficient coding practices to enhance app performance. ⚡ Caching Strategies: Utilizing caching techniques to improve load times and user experience. ⚡ Network Optimization: Reducing latency and ensuring smooth data transactions. Security Measures: 🔐 Data Protection: Incorporating robust security measures to protect user data and ensure compliance with industry standards. 🔐 Secure Authentication: Implementing secure authentication mechanisms, including OAuth and JWT. Tech Stack & Frameworks: Languages: Swift, Java, Kotlin, JavaScript, Dart, PHP, Liquid (Shopify) Frameworks: React Native, Flutter, UIKit, SwiftUI, Android SDK, Bootstrap, jQuery, React.js Tools: Xcode, Android Studio, Visual Studio Code, Git, Jenkins, Figma, Adobe XD, Sketch Databases: SQLite, Realm, Firebase Firestore, MySQL, MongoDB Cloud Services: AWS (S3, Lambda, DynamoDB), Firebase, Azure Approach to Projects: Initial Consultation: Understanding your vision, goals, and requirements to create a detailed project plan. Design & Development: Crafting bespoke themes and plugins, customizing CMS platforms, and integrating third-party tools. Creating innovative and user-friendly mobile applications. Optimization: Implementing strategies to enhance speed, performance, and SEO. Security: Ensuring robust security measures are in place to protect your website and mobile apps. Testing & Deployment: Conducting rigorous testing to ensure functionality and performance before deployment. Support & Maintenance: Providing ongoing support and updates to keep your website and mobile apps secure and up-to-date.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Graphic Design
    Figma
    PHP
    Shopify
    Squarespace
    WooCommerce
    Webflow
    WordPress
    Landing Page
    Website
    CSS
    HTML
    Web Development
    Web Design
  • $25 hourly
    I’m a Software Developer capable of aiding software development, full stack development, database management, and security features.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Software Development
    Web Application
    Mobile App
    Game Development
    SQL
    Java
    Flask
    GitHub
    Replit
    Ubuntu
    C
    C++
    Software
  • $25 hourly
    Hi! I’m a recent graduate from UCI and an aspiring UX designer. Looking for work to help build my experience creating innovative designs in the tech industry! Check out my portfolio: rukhsarshaikh.com - Proficient in Figma - Familiarity with HTML/CSS/Javascript
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Market Research
    Survey
    CSS
    HTML
    Prototyping
    UX Research
    UX & UI Design
    Figma
    Wireframing
  • $20 hourly
    Profile I’m a web developer with 2years of experience in building dynamic, responsive websites. I specialize in creating user-friendly designs using HTML, CSS and JavaScript. I’m passionate about delivering high-quality, on-time solutions that exceed client expectations. Projects WEB SITE FOR TRAVEL COMPANIES IN DUBAI AND THAILAND (TRAVEL CONTROL ONLINE) Developed a website that enables users to book hotels or apartments online while selecting from company offers and packages WEB SITE FOR AUCTIONS COMPANY, EGYPT Created a platform that allows users to bid in auctions, purchase items, and advertise their companies or projects online. HR WEBSITE Developed a website that allows employees to log their daily attendance, manage their vacations, and access salary information.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Python
    VB.NET
    CSS
    AJAX
    jQuery
    ASP.NET
    C#
    ASP.NET MVC
    HTML5
    Web Development
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