Web Application is the process of building, testing, and hosting a service, program or software on the web. This example of technology falls under the umbrella of application development, though a Web App Developer is an IT specialist dedicated to specifically working on web based platforms. Web Application development offers plenty of advantages, as a well-executed online platform can increase accessibility, improve workflow, and offer premium user experience. Furthermore, web applications can be designed to function on mobile devices, giving developers and their clients the potential for massive reach.

A Web App Developer is an experienced professional that designs and builds applications for users to gain access to. The components of this application process include developing front end designs and coding pages with coding languages such as JavaScript, HTML/CSS and Python. They also have expertise in setting up server system architecture and interfaces with databases. The services that these developers offer include app design/development, UX/UI development/design, cloud computing integration (such as Amazon Web Services and Microsoft Azure) security testing/validation and quality assurance testing.

Here's some projects that our expert Web App Developers made real:

  • Creating mobile-friendly browser based applications
  • Implementing cloud computing technologies
  • Developing automated systems that integrate machine learning
  • Employing Saas models through efficient management tools
  • Building automated bots utilizing Ocaml
  • Running compatibility tests across a variety of platforms
  • Designing Zoho Creator expert applications
  • Deploying PHP web apps with video tutorials
  • Constructing photo upload/browsing platforms with Flutter

The utility of Web App Developers is proven in the creative works that have been achieved utilizing their skillsets. Professionals in this field work together with clients to create streamlined programs that are tailored to their preferences. By combining their knowledge with client inspiration, these developers have created technology solutions that cover practically every system aspect desired. Putting it simply: when you need an app built quickly with precision, you need a Web App Developer from Freelancer.com. Post your own project today and hire one of Freelancer's knowledgeable specialists to develop your ideas into reality!

De 101,319 opiniones, los clientes califican nuestro Web App Developers 4.9 de un total de 5 estrellas.
Contratar a Web App Developers

Web Application is the process of building, testing, and hosting a service, program or software on the web. This example of technology falls under the umbrella of application development, though a Web App Developer is an IT specialist dedicated to specifically working on web based platforms. Web Application development offers plenty of advantages, as a well-executed online platform can increase accessibility, improve workflow, and offer premium user experience. Furthermore, web applications can be designed to function on mobile devices, giving developers and their clients the potential for massive reach.

A Web App Developer is an experienced professional that designs and builds applications for users to gain access to. The components of this application process include developing front end designs and coding pages with coding languages such as JavaScript, HTML/CSS and Python. They also have expertise in setting up server system architecture and interfaces with databases. The services that these developers offer include app design/development, UX/UI development/design, cloud computing integration (such as Amazon Web Services and Microsoft Azure) security testing/validation and quality assurance testing.

Here's some projects that our expert Web App Developers made real:

  • Creating mobile-friendly browser based applications
  • Implementing cloud computing technologies
  • Developing automated systems that integrate machine learning
  • Employing Saas models through efficient management tools
  • Building automated bots utilizing Ocaml
  • Running compatibility tests across a variety of platforms
  • Designing Zoho Creator expert applications
  • Deploying PHP web apps with video tutorials
  • Constructing photo upload/browsing platforms with Flutter

The utility of Web App Developers is proven in the creative works that have been achieved utilizing their skillsets. Professionals in this field work together with clients to create streamlined programs that are tailored to their preferences. By combining their knowledge with client inspiration, these developers have created technology solutions that cover practically every system aspect desired. Putting it simply: when you need an app built quickly with precision, you need a Web App Developer from Freelancer.com. Post your own project today and hire one of Freelancer's knowledgeable specialists to develop your ideas into reality!

De 101,319 opiniones, los clientes califican nuestro Web App Developers 4.9 de un total de 5 estrellas.
Contratar a Web App Developers

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    38 trabajos encontrados

    Creación de una página web corporativa moderna, profesional y responsive, diseñada para presentar servicios, reforzar la presencia digital y facilitar el contacto con clientes de forma remota.

    $137 Average bid
    $137 Oferta promedio
    185 ofertas

    I'm seeking a solution architect to review the technology stack for a new web app aimed at enhancing user experience for a banking client. The app will prioritize financial planning tools. Key Requirements: - Evaluate and recommend tech stack components. - Ensure scalability, security, and performance. - Align with financial industry standards. Ideal Skills and Experience: - Proven experience in banking or fintech solutions. - Strong understanding of web technologies. - Expertise in financial planning applications. - Excellent communication for stakeholder engagement.

    $440 Average bid
    $440 Oferta promedio
    155 ofertas

    Our job portal’s search results page is being dragged down by slow data retrieval, and it’s directly affecting the overall speed and load time of the site. I need someone who can dive in, pinpoint the bottlenecks, and deliver measurable gains without disrupting existing features. Here’s how I see the engagement: • Analyse current queries, API calls, and any middleware that sits between the database and the front-end to uncover why the data feed to the search results is sluggish. • Optimise what you find—whether that means rewriting SQL, adding smart indexing, implementing server-side caching, or fine-tuning backend code. • Validate improvements with before-and-after metrics: Time To First Byte, total page load, and server response time for typic...

    $18 / hr Average bid
    $18 / hr Oferta promedio
    159 ofertas

    I’ve built the site on Framer CMS and now need the full shopping-cart flow wired up with clean, reusable JavaScript. Add-to-Cart logic Inside each CMS Item template the “Add to Cart” button must push Product ID, Title and Price into localStorage. Quantity should increment if the same product is chosen twice. Floating cart button A sticky, floating action button must remain visible on every page. It needs to: • show the live item count and running total • open / close a sliding cart drawer on click I don’t have final UI assets, so I’ll rely on you to propose simple, responsive styling that matches the current Framer site. Dedicated /cart page Create a standalone page that reads the localStorage array, lists items with plus-minus quanti...

    $26 Average bid
    $26 Oferta promedio
    35 ofertas

    We are looking for an experienced SEO specialist who has worked on custom-built web portals (PHP/Laravel/CodeIgniter or similar) and understands technical SEO implementation beyond WordPress. Our website is a hospital management portal, NOT a WordPress website, so all SEO implementation must be done directly within the portal's codebase. Website Scope of Work 1. Complete Technical SEO Website SEO audit Fix crawl and indexing issues optimization XML Sitemap creation & optimization Canonical URLs Meta robots implementation URL optimization Internal linking improvements Breadcrumb implementation (if required) Structured Data () Open Graph & Twitter Cards 404 page optimization Redirect management Core Web Vitals recommendations Page speed optimization guidance Mobile SEO opt...

    $208 Average bid
    $208 Oferta promedio
    131 ofertas

    I'm looking for a web-based performance matrix dashboard to help manage my program. The dashboard should track project progress, resource allocation, and budget tracking, with admin and user roles for access control. Key Requirements: - Web-based platform - Data Tracking: - Project Progress - Resource Allocation - Budget Tracking - User Access Control: Admin and user roles Ideal Skills and Experience: - Experience in developing web-based dashboards - Strong data visualization skills - Familiarity with project management tools and metrics - Ability to implement user access controls Please provide examples of similar work done.

    $356 Average bid
    $356 Oferta promedio
    210 ofertas

    Need to build a sport betting website like , please only people that have experience building theese websites

    $648 Average bid
    $648 Oferta promedio
    207 ofertas

    I’m building a customer-service portal modeled on and the heart of the site needs to be a real-time live-chat system written from the ground up—no Intercom, Zendesk or similar plugins. I want visitors to land on a clean, fast page, open a chat window, and speak directly with an agent without refreshing or being bounced to third-party domains. Core requirements • A fully custom back-end chat engine (Node, Laravel, Go or a comparable stack you are comfortable maintaining) with WebSocket or SSE for instant messaging, typing indicators, and read receipts. • An operator dashboard that shows active sessions, conversation history, and basic visitor metadata (referrer, browser, country, current page). • End-to-end encryption for messages at rest and in transit,...

    $31 Average bid
    $31 Oferta promedio
    114 ofertas
    OTP Website Expert Needed
    4 días left
    Verificado

    I want who have experiend with otp website like , , Well knowledge with above website and API integration as well

    $27 Average bid
    $27 Oferta promedio
    119 ofertas

    I'm seeking an experienced web developer to create an informational website for my financial fund management business. The site should have a corporate and professional look, and include the following pages: - About Us - Services - Contact Us - Fund and Due Diligence Information Ideal skills and experience: - Strong portfolio in corporate website development - Expertise in creating secure, user-friendly informational sites - Proficiency in responsive design - Knowledge of financial services industry standards and compliance

    $12 / hr Average bid
    $12 / hr Oferta promedio
    303 ofertas

    I'm seeking a developer to create a website that generates QR codes for customers in Australia. The QR codes will primarily provide business details and link to business, menu, or product pages. Key requirements: - User-friendly interface for QR code generation - QR codes should be customizable (e.g., color, logo) - Codes should be downloadable in various formats (PNG, SVG, etc.) - Mobile-responsive design - Basic analytics on QR code scans (optional) Ideal skills and experience: - Proficiency in web development (HTML, CSS, JavaScript) - Experience with QR code generation libraries or APIs - Familiarity with UX/UI design principles - Basic backend development knowledge for analytics (optional) Looking for clean, modern design and seamless functionality. 2 webpages first qr codes 2n...

    $311 Average bid
    $311 Oferta promedio
    380 ofertas
    Links need completing
    3 días left
    Verificado

    I have a few links that were not added Acceptance criteria: • All specified internal and external links open the correct pages with no additional redirects. • Nothing else on the edited pages is changed. • You provide a brief change log noting page, original URL, and corrected URL. That’s it—straightforward, quick, and ready to start as soon as you are.

    $12 / hr Average bid
    $12 / hr Oferta promedio
    235 ofertas

    I am looking for an experienced freelancer or small team to develop a complete e-learning platform for a single teacher. The platform should support both online and offline classes, provide a modern user experience, and include a website, Android app, and iOS app. Preference will be given to freelancers who can provide a live demo of a similar project they have already developed. Required Features Website Modern, responsive design Teacher profile and biography Course listing and categories Live online classes Recorded video courses Offline session booking Student registration and login Dashboard for students Course progress tracking Assignments and quizzes Certificates (optional) Notifications Reviews and ratings Contact and support pages Teacher/Admin Panel Manage students Create and ma...

    $1179 Average bid
    $1179 Oferta promedio
    301 ofertas

    # Project Title **Guru Bhai – Website + Android App Development (Video Content Platform)** ## Project Overview Hello Developers, I am looking for an experienced and reliable full-stack developer (or development team) to build a professional video content platform called **Guru Bhai**. This is a long-term project. I am looking for someone who can deliver a high-quality product at a very competitive price. If the work is good, I will continue working with the same developer for future updates and new features. **Please read the complete requirements before applying.** --- # IMPORTANT **Before submitting your proposal or bid, please send me a message introducing yourself and explaining:** * What experience you have with similar projects. * What parts of this project you can de...

    $96 Average bid
    $96 Oferta promedio
    25 ofertas

    Here is a polished and professional version: ### Web Extension Automation Developer The Web Extension Automation Developer will work on an existing browser-extension codebase designed to automate the job application process. The primary goal is to minimize manual interaction by automatically detecting, completing, and submitting job application forms. Manual input should only be required when the system cannot safely or accurately complete a specific step. **Technology Stack:** Chrome Extensions, JavaScript, JSX, HTML, CSS, React, Webpack, DOM Manipulation, Browser Automation Tools **Key Responsibilities:** * Maintain, enhance, and troubleshoot the existing Chrome extension. * Develop automation workflows for job application platforms. * Detect and extract job descriptions, form field...

    $437 Average bid
    $437 Oferta promedio
    235 ofertas

    INDIA OR GUJARAT BASED ONLY. Custom development for hotel booking / management Web App that built in React JS and PHP Structural Database. I am looking to add new module of Price Optimizer / price and revenue calculation feature in current React web app. It's used for hotel room booking and management. FYI: Hotel Booking App Built-up Environment React frontend (website booking and admin panel) PHP backend MySQL structural database WordPress/cPanel deployment (host live app purposes) Only Direct freelancer developer may contact. Serious iniquity please. Please reach out if you are interested!

    $549 Average bid
    $549 Oferta promedio
    119 ofertas

    I need a complete web application built from the ground up, covering everything from early requirements gathering through final deployment. Because there’s no fixed deadline, quality and maintainability matter more to me than speed, so we can plan a realistic roadmap together and iterate thoughtfully. Here’s how I picture the collaboration unfolding: we’ll refine the feature set, choose an appropriate stack (I’m happy with modern JavaScript or Python frameworks—React, , Node.js, Express, or Django, for example), and agree on a clean architecture that’s easy to scale and test. You’ll handle both front-end and back-end coding, design a well-structured database, and set up CI/CD so each push automatically deploys to a staging environment. Deliverabl...

    $267 Average bid
    $267 Oferta promedio
    106 ofertas

    I already have the source code for three simple games and now need to turn them into a cohesive, gaming-focused website. The work starts by refactoring each game so it can run smoothly in a browser, then wiring them together through a common lobby that handles matchmaking and real-time multiplayer. Core platform features I must see working: • Matchmaking and private room creation • Server-side anti-cheat measures • Know-Your-Customer (KYC) flow before players can join public matches • Integration of an in-site digital currency for entry fees and rewards Once those pieces are in place, I also want user accounts, leaderboards, and a clean front-end that makes jumping between the three titles effortless. Please send a detailed project proposal explaining: ...

    $2787 Average bid
    Destacado Acuerdo de Confidencialidad
    $2787 Oferta promedio
    113 ofertas

    My company site is live, but it’s time to tighten the bolts and add a few new tricks. Here’s what I need done: • Functionality: audit the current code, squash outstanding bugs/errors you discover or I flag, improve any clunky flows, and bolt on several new features that we’ll scope together once you’ve seen the repo. • Layout polish: refresh the header and footer so they feel lighter and more in line with our brand, and reorganise page structure for cleaner navigation and better mobile responsiveness. The goal is a smoother user journey, faster load times, and a modular codebase that’s easy to maintain. I’ll provide access to the existing repo, staging server, and a short wish-list of features on kickoff. Final deliverables are the upd...

    $229 Average bid
    $229 Oferta promedio
    150 ofertas
    Web App & API PenTest
    2 días left
    Verificado

    Web App & API Vulnerability Research I would like to assess your Web Application and API for security vulnerabilities that could affect your platform or its users, either now or in the future. The fixed pricing can be discussed later, as it will depend on the severity and impact of any vulnerabilities discovered. Critical vulnerabilities may require more effort than minor issues. Regardless of the findings, I aim to keep my pricing fair, affordable, and competitive. Best regards

    $24 Average bid
    $24 Oferta promedio
    63 ofertas

    platform modules include: Authentication & Identity User Profiles Organization Management Branch Management Team Management Social Commerce Network Open Commerce Marketplace Product Catalog Inventory Management Order Management Payment Gateway Digital Wallet Banking & Virtual Accounts QR Payments NFC / Tap-to-Pay USSD Payments Payment Links Merchant Dashboard Payment Aggregator Payouts & Settlements Crypto On-Ramp & Off-Ramp NFT Marketplace Employer–Employee Platform Outsourcing Platform Marketing & Advertising Insurance EMR / Healthcare Supermarket Smart Payments Tourism & Booking Customer Support AI Copilot Business Intelligence & Analytics White-Label Platform API Marketplace Admin Dashboard User Dashboard QR code payment Security & Compliance Dev...

    $706 Average bid
    $706 Oferta promedio
    410 ofertas

    Need a website built for a startup loan company providing short term loans to our automotive transmission shop customers instead of them using credit cards to pay for transmission jobs. website address has already been purchased through namecheap.com. Company has already gone through extensive licensing process with the board of financial institutions and bureau of consumer affairs and all certifications and licenses have been obtained to be a credit grantor. Need webstie to have these things: * Pre-approval loan application flow similar to other online based financing providers like SNAP finance * Customer to choose between 12 month, 18 month, or 24 month loan repayment * Show customer repayment options with integrated calculator with options of weekly, biweekly, or monthly payments for...

    $1090 Average bid
    $1090 Oferta promedio
    433 ofertas

    **Project Title: Custom Accounting & Billing Software for Jewellery Shop** We are looking for an experienced software developer or development team to build a **custom accounting and billing software for a jewellery shop**. The software will be used for managing daily billing, jewellery sales, customer records, inventory, payments, and basic accounting operations. We need a **simple, fast, secure, and user-friendly system** suitable for day-to-day use in a jewellery retail business. ### Key Features Required 1. **Secure Login System** * Admin and staff login * Role-based access and permissions * Secure authentication 2. **Billing & Invoice Management** * Create and print customer bills/invoices * Custom invoice format with shop logo and details * Gold and silver jewellery bi...

    $261 Average bid
    $261 Oferta promedio
    84 ofertas

    I'm looking for a talented web designer to create a company website that showcases our products and services. Key Requirements: - Design a website that prominently displays our offerings. - Incorporate my existing branding elements. - Use a classic and traditional style for the website. Ideal Skills and Experience: - Strong portfolio in classic/traditional web design. - Experience with brand integration. - Proficiency in user-friendly navigation and layout.

    $534 Average bid
    $534 Oferta promedio
    157 ofertas

    Hello. Do you have food ordering on web app developed as i dont have budget for new development

    $439 Average bid
    $439 Oferta promedio
    339 ofertas
    $132 Oferta promedio
    133 ofertas

    We are looking for an experienced software development team to design, customize, and deploy a modern Learning Management System (LMS), an online education platform focused on practical, high-quality professional training for Latin America. The platform should combine the best user experience of Coursera, Platzi, and Udemy Business, while being tailored to our own brand, business model, and learning methodology. Our preferred approach is to build on Open edX or recommend an equivalent enterprise-grade LMS, instead of developing everything from scratch, allowing us to launch faster while maintaining enterprise scalability.

    $2100 Average bid
    $2100 Oferta promedio
    317 ofertas

    Hi I will share the details with the shortlisted candidates. Thanks

    $62 Average bid
    $62 Oferta promedio
    49 ofertas

    I'm seeking a skilled web developer to create a comprehensive website for my child care services. The site should primarily serve to inform potential clients about our offerings and include a robust online booking system. Key Requirements: - Informational content about our services - Online booking system with: - Calendar of availability - Parent login - Payment processing Ideal Skills and Experience: - Proven experience in developing service-oriented websites - Strong ability to integrate secure payment systems - Familiarity with user-friendly parent login interfaces - Excellent project management to deliver on time and within budget Please include detailed project proposals in your application, showcasing how you plan to meet these requirements.

    $160 Average bid
    $160 Oferta promedio
    349 ofertas

    I need a professional, bilingual (Portuguese and English) website for my aesthetic botox company with a real location. The site should be visually appealing and user-friendly, showcasing our services and facilitating easy appointment bookings. Key Requirements: - Appointment booking system - Comprehensive service information pages - Customer testimonials - Videos explaining services - Contact form - Photo gallery Ideal Skills and Experience: - Proficiency in building bilingual websites - Experience with appointment booking systems - Strong design skills for a professional aesthetic - Ability to integrate videos and photo galleries - Good understanding of SEO for both languages Please provide samples of similar work done and a timeline for project completion.

    $1198 Average bid
    Local
    $1198 Oferta promedio
    216 ofertas

    i want to create a website for catalogue of my bakery and the customer shoul be able to filter design as per category choose required weight and flavour to get the price and his order should get exported to whatsapp

    $72 Average bid
    $72 Oferta promedio
    112 ofertas

    I’m ready to launch a fresh, eye-catching website that will act as the online face of my business. I already have a creative-style template in mind (or I’m open to your suggestions if you know a stronger one), and I need your expertise to transform that template into a polished promotional site that tells my brand story, showcases our services, and makes it easy for visitors to get in touch. Here’s what I’m looking for: • Full installation and setup of the chosen creative template on my hosting. • Customisation of colours, imagery, typography, and layout so the site feels uniquely mine while staying true to the template’s design language. • Up to five main pages (Home, About, Services, Portfolio/Gallery, Contact) with responsive design th...

    $396 Average bid
    $396 Oferta promedio
    333 ofertas
    Window Estimate Dropdown App
    14 horas left
    Verificado

    I need a small program that lets me build clear, professional cost estimates for my window-replacement customers. The flow I have in mind is simple: I open the app, choose a window style from a dropdown that shows thumbnail images, enter the size and quantity etc. Window styles should not be limited to only single-hung, double-hung, or casement; I want the structure flexible so I can upload or swap in any window image/category in the future without code changes. A clean, modern interface is important because I’ll be sharing my screen with homeowners while we talk to use platform Core deliverables • A working desktop or browser-based application (whichever you’re strongest at) • Dropdown gallery of window images with easy add/replace functionality • Real-t...

    $106 Average bid
    $106 Oferta promedio
    221 ofertas

    I need a complete web application built from the ground up, covering everything from early requirements gathering through final deployment. Because there’s no fixed deadline, quality and maintainability matter more to me than speed, so we can plan a realistic roadmap together and iterate thoughtfully. Here’s how I picture the collaboration unfolding: we’ll refine the feature set, choose an appropriate stack (I’m happy with modern JavaScript or Python frameworks—React, , Node.js, Express, or Django, for example), and agree on a clean architecture that’s easy to scale and test. You’ll handle both front-end and back-end coding, design a well-structured database, and set up CI/CD so each push automatically deploys to a staging environment. Deliverabl...

    $246 Average bid
    $246 Oferta promedio
    129 ofertas
    Custom Web App Migration
    Final left
    Verificado

    I’m ready to move my entire website—an operational, custom-built web application—onto DigitalOcean and need a specialist who can take full ownership of the migration. Only the site itself is changing homes; email and any ancillary services will stay where they are, so the scope is strictly the application and everything it needs to run reliably in its new environment. Because the codebase predates my tenure, I’m unsure which language or framework it uses. You’ll first need to audit the current server, identify the stack, and map out every dependency, build process, and environment variable. From there, I’ll rely on you to: • Provision and secure the appropriate DigitalOcean Droplet(s) or App Platform resources • Recreate the production envi...

    $79 Average bid
    $79 Oferta promedio
    75 ofertas

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