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Hire the best JavaScript Developers in Kalutara, LK

Check out JavaScript Developers in Kalutara, LK with the skills you need for your next job.
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Rating is 4.8 out of 5.
4.8/5
based on 460 client reviews
  • $45 hourly

    • 5.0/5
    • (116 jobs)
    I specialize in redesigning business websites and e-commerce platforms, leveraging my expertise in UI/UX. I transform them into fully functional WordPress websites using Elementor Pro. You might be curious about the significance of WordPress and Elementor Pro. The key advantage is that you won't need to invest thousands of dollars in maintenance once I've delivered a fully functional website. I'll guide you on how simple it is to maintain your website on your own. If you think we're a good fit, let's schedule a call and discuss the details. Looking forward to hearing from you! Best regards, Yasitha Kasthuri.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    UX & UI Design
    WordPress Website Design
    WordPress Development
    WordPress SEO Plugin
    WordPress Plugin
    WordPress e-Commerce
    WordPress Theme
    WordPress Website
    Graphic Design
    WordPress Landing Page
    PHP
    CSS
    HTML
    WordPress
  • $22 hourly

    • 4.9/5
    • (279 jobs)
    🏆 Upwork Top Verified Web Developer for ✅ Custom WordPress Site Development ,....✅ WordPress Theme Development ✅ WordPress custom plugin Development,..✅ WordPress Theme Customization ✅ Plugin Customization,.....................................✅ WooCommerce Theme Development ✅ WooCommerce Customization ,..................✅ API Integration and more ... I am a WordPress developer (Top-rated Upworker with 270+ completed projects and almost 3400 hours of work) specializing in converting designs into websites and I can transform your design into a successful high-quality WordPress-based website. Or, if you already have a premium theme, I can set it up for you. I’m also experienced with Page Builders within WordPress like Elementor, WP Bakery and Divi. Other WordPress services which I can do for you are: ✔ Installation, Customizations (Add content, menu/page or widgets, Change color, Background, Logo/ Favicon or any CSS changes), Updates ✔ Set up an online shop with WooCommerce (eCommerce solution) ✔ Custom Theme Development ✔ Website maintenance. and much more. I would like to have an opportunity to collaborate with you and help you bring your product to life! Over several years of experience with web development, Web & Mobile Design, Mobile Development, and Desktop Software Development using Scripts & Utilities. finally, I also do QA & Testing. So I'm good at C# , ASP.NET,PHP, CSS,Java Scripting, JQuery ,ExtJS , GWT, ,AJAX,MVC,WordPress,MSSQL,MYSQL,Oracle,Informix, Crystal Reports, , IIS, Apache, VSS, SVN, CVS ------------- WHY ME --------------- + WordPress Theme and Plugin Expert + 3400+ hours on Up-work. + 270+ jobs on Up-work. + Experience more than 12 year in "Web / Windows Application Development" + Creative mind. + Huge portfolio. + Time is money So I don't want to waste your and also mine. + Full availability. + Free of charge consultation. -------------------And also I'm good at ------------------------------ Game Development Mobile Development Product Management QA & Testing Scripts & Utilities
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    WordPress Bug Fix
    WordPress
    WordPress Optimization
    WordPress Multisite
    ASP.NET
    API Integration
    PHP
    WordPress Migration
    WooCommerce
    Divi
    React
    HTML
    WordPress Plugin
    Web Design
    Platform Plugin
    WordPress Theme
    CSS
    Elementor
    C#
    Mobile App Design
  • $30 hourly

    • 5.0/5
    • (10 jobs)
    🚀 Passionate Software Engineer and TOP Rated Plus Expert on Upwork. 🏆 More than 6 years of experience. 💪 2400+ hours worked with happy customers. 💥 Former software engineer in a giant Swedish software company. 🌟 BSc honors Degree in Software engineering. Hey there, Thank you for checking my profile. If you are searching for a Talented and Experienced Software Engineer, you are at the right place. My goal is to turn your ideas into perfect software solutions. I start each project by attentively listening, learning, and comprehending before developing my solutions with utmost proficiency. I am a full-stack software engineer with experience in React, NextJs, Redux, JavaScript, NodeJs, NestJs, and SQL. I have a degree in Computer science from the University of Colombo, Sri Lanka. Areas of Expertise: 🔶 Frontend development, Pixel-Perfect design matching. 🔶 Backend development. 🔶 Unit testing, Integration testing, End-to-end testing. 🔶 Debugging and Performance improvements. Technical stack: ✅ Frontend development using React. ✅ Expert knowledge of state management using Redux, NgRx, React query, SWR. ✅ Unit testing Frontend using Jasmine, Jest, and Enzyme. ✅ Backend development using NodeJs/Nestjs. ✅ Swagger Rest API generation and documentation. ✅ Static website development using GatsbyJs. ✅ Server-side rendering using NextJs. ✅ JavaScript, HTML, SCSS, CSS ✅ SCRUM ✅ Clean code. My goal is to fulfill your expectations with the best quality and efficiency. Try me once and you will never regret it. I am always available to discuss and provide my best support whenever needed. Thank you in advance and I look forward to working with you.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Firebase
    Redux
    NestJS
    CSS
    HTML
    Next.js
    Node.js
    PostgreSQL
    TypeScript
    MongoDB
    RxJS
    MySQL
    React
  • $15 hourly

    • 5.0/5
    • (2 jobs)
    Welcome to my Upwork profile! I'm Udara Priyadarshana, a skilled web and mobile app developer with a passion for crafting top-notch digital solutions. With a robust background spanning various technologies, I am here to bring your ideas to life and elevate your online presence. Expertise in JavaScript and More Having delved into the intricate realms of web and mobile development, I boast expertise in a wide array of technologies. My primary focus is on JavaScript and its powerful ecosystem: React : Building dynamic and interactive user interfaces for seamless user experiences. Node.js : Crafting scalable and high-performance server-side applications. React Native : Developing engaging and native-like mobile apps for both iOS and Android. Next.js : Creating server-rendered React applications for enhanced performance. Socket.io : Implementing real-time communication for interactive and dynamic applications. Firebase : Leveraging Firebase for real-time databases, authentication, and cloud functions. In addition to my JavaScript expertise, my toolbox includes: Laravel : Creating robust and efficient backends that power your web applications. Flask : Developing lightweight yet powerful web applications with Python. PHP : Harnessing the power of PHP to create dynamic and feature-rich websites. Java : Crafting versatile applications that run seamlessly across platforms. MySQL and PostgreSQL : Designing and managing efficient databases to ensure data integrity. Redis : Utilizing in-memory data storage for optimizing performance and speed. Bubble.io : Rapidly prototyping and building web applications without compromising functionality. Proven Track Record My journey as a developer has been marked by the successful completion of numerous projects. With a portfolio spanning various industries and use cases, I have honed my skills in creating tailor-made solutions that meet diverse client needs. From e-commerce platforms to social networking applications, I've done it all. Commitment to Excellence What sets me apart is not just my technical prowess, but also my commitment to understanding your unique vision. I believe in collaborative development, working closely with you to turn concepts into reality. With every line of code I write, I'm dedicated to delivering excellence that exceeds expectations. So, whether you're a startup seeking to establish a digital footprint or a business aiming to revamp your online presence, I'm here to offer the expertise you need. Let's embark on a journey of innovation and create digital experiences that leave a lasting impact. Join me in bringing your ideas to life. Let's build the future together.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Web Design
    Computer Graphics
    Bootstrap
    Java GUI
    Core Java
    Web API
    Next.js
    React Native
    React
    Flask
    PHP
    Laravel
    NodeJS Framework
    Mathematics
    Arduino
    PHP Script
    Firebase Realtime Database
    MySQL
  • $20 hourly

    • 5.0/5
    • (3 jobs)
    I am a software developer , passionate about building and solving real world problems . My greatest strength would be learning new skills quickly while enjoying it , because learning new skills keeps me good. And I enjoy applying my new skills to real world problems. I am from a mathematics and statistics background , therefore I believe that I am good at solving problems using my analytical skills. I have created web apps and mobile apps using many technologies like Java , Python , Android , Flutter , JavaScript , React etc. I would like to help in your problems with my knowledge .
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    TypeScript
    Next.js
    Apache Kafka
    NestJS Development
    Vue.js
    AWS Amplify
    PostgreSQL
    ExpressJS
    GraphQL
    NestJS
    React
    Web Development
    AWS Lambda
    Node.js
    MongoDB
    Database Design
  • $30 hourly

    • 5.0/5
    • (4 jobs)
    I am an expert freelancer and my working ground is based on Microsoft Excel & Google Sheets. I can do anything that is related to my job. Also I have a handful experiences on this ground as I have been roaming here for around 6 long years. I am acquainted enough with the skills that your job demands and these are Excel (Formulas, Macro,VBA & Dashboards) & Google sheet( Formulas, Query, Scripts & Dashboards). Along with these, I am adept enough 1. 100% assurance of making clients happy 2. Fast & accurate service 3. Meeting management and reaping good results out of it Thank you for visiting my profile.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Google Spreadsheets API
    Google Forms
    Google Docs API
    Google Calendar API
    Spreadsheet Software
    Google APIs
    Macro Programming
    Automation
    Google Docs
    Google Sheets
    Google Apps Script
    Dashboard
  • $19 hourly

    • 4.2/5
    • (27 jobs)
    Hi there, I'm a full-stack developer with extensive experience in building high-quality Web and Mobile Applications. Highlight of my Developer experience in Upwork. ✅ Top Rated Plus Developer with 3000+ working Hours 🏅 ✅ ✅ 100% Job Success Score 🏅✅ ✅ 4+ years of experience and going strong 🏅💪 ✅ High availability ⏰ ✅ ✅ Ready to sign NDAs 📃👍 My Areas of Expertise: ✅ Front End Development Skills 👉 JavaScript (ES5/ES6/ES7+, Webpack, Babel, Typescript) 👉 React.js(Hooks) 👉 Next.js 👉 Remix 👉 Vue.js 👉 Redux 👉 React-query 👉 Redux-Saga 👉 GraphQL/Apollo-Client 👉 Bootstrap 4/5 👉 Material-UI 👉 Tailwind CSS 👉 Antd 👉 Chakra UI ✅ Backend Development Skills 👉 Node js (JavaScript/Typescript) 👉 Express.js 👉 Firebase Admin(Firestore) 👉 RESTful API 👉 GraphQL 👉 AWS Lambda 👉 Socket IO ✅ Mobile Development Skills 👉 React native (Android+IOS) 👉 Expo ✅ Database Skill 👉 PostgreSQL 👉 MySQL 👉 MongoDB ✅ API Development skill 👉 Restful API development 👉 Microservices architecture ✅ Other service 👉 Stripe 👉 Auth0 👉 Vercel 👉 Next-auth 👉 Twilio ✅ Version control systems 👉 GIT 👉 BitBucket 👉 Azure DevOps ✅ Expertise in MEVN & MERN Stack web development. 🟢 Availability 👉 Available for long/short-term full-time hourly contacts and fixed-price contracts. 👉 Ready to work on any time zone ⏰ ✅ 👉 Available for any number of daily meetings or zoom calls ☎️💻 ✅ 👉 Working on both weekdays and weekends based on client's requirements 🧑‍💻🗓✅ I'm flexible with my working hours and am happy to work closely. Allow me to discuss the project in detail. I looking forward to hear from you! Thanks
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Remix
    Firebase
    API
    Auth0
    RESTful API
    Redux
    ExpressJS
    Vue.js
    React
    Node.js
    Material UI
    Next.js
    TypeScript
    Tailwind CSS
  • $15 hourly

    • 0.0/5
    • (1 job)
    Provide Websites and mobile apps for your requirements. Provides best solutions with best customer service.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Jest
    Vue.js
    Vuetify
    Flutter
    Node.js
    Firebase
    TypeScript
    PostgreSQL
    Dart
  • $10 hourly

    • 0.0/5
    • (0 jobs)
    I'm a software developer experienced in creating web and mobile apps. May it be a simple website showcasing what you do or may it be a full blown web or mobile app that drives your business, I can hep you create that. Mainly familiar with React, React Native, Next.Js, NestJs, NodeJs, Laravel, HTML and CSS Cover full stack so no need to have a separate team for front end or back end development.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    NestJS
    Next.js
    WebdriverIO
    Microsoft Azure
    Server Administration
    Web Server
    React Native
    React
    Mobile App Development
    Web Development
    Software Development
    Laravel
    PostgreSQL
    TypeScript
  • $10 hourly

    • 0.0/5
    • (0 jobs)
    Hello! As a diligent student and passionate freelancer, I bring a unique blend of academic excellence and real-world experience to every project I undertake. With a keen eye for detail and a commitment to delivering high-quality work, I'm here to help you achieve your goals. As a student, I understand the importance of deadlines and the value of clear communication. You can count on me to be reliable, responsive, and proactive in ensuring that your project is completed to your satisfaction.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Word Processing
    CSS
    HTML
    Python
  • $25 hourly

    • 0.0/5
    • (0 jobs)
    I am a skilled Full Stack Developer with over 2 years of hands-on experience in building robust and innovative web applications. My expertise lies in utilizing a wide range of technologies and frameworks to deliver high-quality solutions. Here's a glimpse of the work I excel in: 1) Payment Gateway Aggregator Web Application (Cameroon): Developed reusable UI components for different user roles and integrated API integrations with Redux for state management. Implemented user-selectable language preference and Role-Based Access Control for enhanced user experience and security. 2) Delivery App (Switzerland): Developed and updated UI components using React Native and MobX for efficient app functionalities and API integrations. Integrated QR code scanning functionalities to enhance user experience. 3) Equipment & Vehicle Rental Web Application (Australia): Implemented user account deletion functionality with secure OTP verification for enhanced security and user-friendly experience. 4) Money Transfer Web Application (Australia): Developed new modules for admins, implemented daily balance scheduler, and optimized image storage for efficient data management. 5) Loyalty Middleware (Sri Lanka): Developed custom middleware and UI components for a loyalty program, ensuring real-time updates, secure transactions, and webhook stability. 6) Offers & Loyalty for Foreigners (Sri Lanka): Developed a user management system with APIs, integrated Google Maps APIs, and automated offer assignment for improved user engagement. 7) Video Verification For Agents & Clients (Cameroon): Implemented video call features, developed queue management system, integrated APIs with Zustand for state management, and utilized React WebRTC for auto video verification. 8) Digital Bank Platform (Cameroon): Built new UI components, integrated APIs and Redux for state management, and enhanced backend functionality for improved performance. I have also worked on various freelance projects, including an E-Commerce Platform for Small Business (India) and a Web App for a Salon (Sri Lanka), showcasing my ability to deliver user-friendly interfaces, secure backend functionalities, and seamless integrations. My passion for coding, problem-solving skills, and attention to detail make me a valuable asset in delivering top-notch solutions that meet client requirements and exceed expectations. I am dedicated to continuous learning and staying updated with the latest technologies to ensure optimal performance and innovation in every project I undertake. Let's collaborate to bring your ideas to life and achieve success together!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Next.js
    Responsive Design
    React
    ExpressJS
    Node.js
    Spring Boot
    TypeScript
    CSS
    HTML
    Tailwind CSS
    Material UI
    Google APIs
    Firebase Cloud Firestore
    Redux Thunk
  • $25 hourly

    • 0.0/5
    • (0 jobs)
    Passionate Software Engineer & Content Creator I'm an undergraduate software engineer with a knack for creating clean, responsive websites and writing engaging tech blogs. I love making complex ideas simple and delivering quality work that meets your needs. Let's bring your ideas to life!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Content Writing
    Blog Writing
    Writing
  • $50 hourly

    • 0.0/5
    • (0 jobs)
    Experience: Skilled in web and web application development. Specialization: Focused on e-commerce and LMS applications. Technical Skills: Proficient in HTML, JavaScript, and the MERN stack. SEO Expertise: Capable of optimizing projects for better visibility. Collaborative Approach: Committed to clear communication and strategic guidance. Custom Solutions: Offers tailored development to meet specific client needs.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    SaaS Development
    React
    MERN Stack
    Ecommerce
    Web Development
    Web Application
  • $10 hourly

    • 0.0/5
    • (0 jobs)
    Profile Passionate and detail-oriented web developer with a strong foundation in front-end and back-end technologies. Armed with a creative mindset and a problem-solving approach, I specialize in crafting responsive and user-friendly websites. My journey in web development has equipped me with expertise in HTML, CSS, JavaScript, and various frameworks such as React,Node and Express JS, I am Committed to staying updated with the latest industry trends and technologies,I am ready to contribute my skills to creating exceptional digital experiences. Projects E- Commerce Project mern-ecommerce-siten.onrender.com Technologies:React,Node,Express,Tailwind CSS,Mongo DB,Redux Chat-App mern-chat-application-u5gh.onrender.com Technologies-React,Node,Express,Tailwind CSS,Mongo DB,React hooks,Socket.io Booking-App next-js-booking-app.onrender.com Technologies-Next.js,TypeScript,Prisma ORM,Tailwind CSS,shad cn Social-media app mern-social-media-b3i9.onrender.com
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Redux
    MongoDB
    Web Development
    Ecommerce Website
    Ecommerce
    Web Application
    HTML
    CSS 3
    Tailwind CSS
    Next.js
    ExpressJS
    Node.js
    React
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