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 111,832 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 111,832 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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    18 trabajos encontrados

    Szia! Wix / Velo fejlesztőt keresek egy kétnyelvű ételrendelő weboldal elkészítéséhez egy 3 budapesti üzlettel rendelkező vendéglátóipari vállalkozás számára.Főbb feladatok:Egyedi adatbázis beállítása a heti/napi menük tömeges CSV/Excel feltöltésé napi rendelési határidők (cut-off logika, délelőtt 10:00) leprogramozá integráció: Számlá összekötése (Áfás számla automatikus generálása, céges adatok kezelése).Nyelv:Elég jól beszélek magyarul, de a komplex technikai megbeszélések mé...

    $484 Average bid
    $484 Oferta promedio
    22 ofertas
    E-commerce Site Optimization
    6 días left
    Verificado

    I need an experienced developer to tidy up my existing e-commerce site. The site is currently facing several issues that need to be resolved for a smoother user experience. Key areas for improvement: - User registration/login: Simplify and secure the process. - Search functionality: Enhance accuracy and speed of search results. - Course functionality: Fix any existing issues with course access and navigation. Current issues include: - Error messages: Fix all error messages that disrupt user experience. - Unresponsive design: Ensure the site is fully responsive on all devices. - Membership function: Repair the non-working membership functionalities. - Optimize Press: General optimization for better performance. Ideal Skills and Experience: - Strong background in e-commerce website devel...

    $726 Average bid
    $726 Oferta promedio
    243 ofertas

    AI StudyOS is an AI-powered student assistant and productivity web application designed to help students learn, practice coding, prepare for exams and organize their studies. I developed this project using HTML, CSS, JavaScript, Node.js, and Gemini API. Key features: AI Chat Assistant PDF Question Answering AI Quiz Generator Exam Mode Coding Mentor Study Planner Progress Tracking Study Streaks Achievements AI Study Recommendations Chat Export Responsive User Interface This project demonstrates my skills in frontend development, backend development, API integration, AI integration and UI/UX design.

    $267 Average bid
    $267 Oferta promedio
    74 ofertas

    I’m looking for a skilled web developer to build a sleek, modern informational website for my technology business. The site’s sole purpose is to present our services and expertise clearly, not to sell products online. Here’s what I need: • Contemporary, mobile-responsive design that reflects a forward-thinking tech brand. • Intuitive navigation with well-structured sections for About, Services, Case Studies, Blog, and Contact. • Easy-to-use content management system (WordPress, Webflow, or a comparable platform) so my team can update copy and images without coding. • Fast-loading pages, clean code, and on-page SEO fundamentals baked in. • Basic analytics integration (Google Analytics or similar) to track visitor behavior. • Securit...

    $150 Average bid
    $150 Oferta promedio
    280 ofertas

    My website is already online with hosting and domain in place; the core theme works fine, but I need to expand it by adding new product/service pages. Each page must slot seamlessly into the current design, be fully responsive, and contain a clear area for detailed descriptions and technical specs of every item or service I list. Deliverables: • One or more new product/service pages styled to match the existing site • Sections on each page for rich, well-formatted descriptions and specifications • Updated navigation or internal links so visitors can reach the new pages easily • Clean, standards-compliant code that loads quickly on desktop and mobile Please build directly on the site’s current stack—no redesign necessary—just solid page creation...

    $88 Average bid
    $88 Oferta promedio
    265 ofertas

    I’m building a web application that lets potential buyers explore a real estate project before it is built. The core focus is to showcase the neighborhood and individual units through a blend of imagery, 3D renders, animations, and immersive tours—very much in the spirit of the reference app at and the sleek look of Here’s what I need from you: • A minimalistic, clean UI/UX concept that feels modern yet uncluttered. • Screen flows and interactive prototypes (Figma preferred) covering all key moments: landing, neighborhood fly-through, building/amenity overviews, unit selector, and media galleries, Google Earth, and so on. • Seamless integration patterns for the features I’ll be building in WebGL/: virtual property tours, interactive 3D maps, i...

    $1947 Average bid
    $1947 Oferta promedio
    329 ofertas

    Travel Visa Application Website – Development Requirement We are looking for an experienced web developer / development team to build a professional visa application platform for our travel company, Sky Direct Travel. The website should allow clients to complete most of their visa application process online, from checking requirements to tracking the application. Core Features 1. Visa Checklist - Client selects destination/country and visa type. - Website displays the relevant visa checklist. - Checklist should be easy to understand and organized by document type. - Admin should be able to update requirements from the backend. 2. Client Account - Users can create an account/login securely. - Personal profile and traveller information. - Dashboard showing all active and previou...

    $7388 Average bid
    $7388 Oferta promedio
    87 ofertas

    Ich möchte in WooCommerce eine saubere Möglichkeit schaffen, damit unser Support‐Team live in den Warenkorb eines Kunden eingreifen kann – selbstverständlich DSGVO-konform. Kernanforderungen • Aktuellen Warenkorb eines identifizierten Kunden einsehen • Positionen hinzufügen oder entfernen • Mengen anpassen oder Alternativartikel einsetzen • Rabatte sowie Gutscheincodes hinterlegen • Alle Änderungen sollen für den Kunden sofort wirksam sein, damit er nahtlos weiterbestellen und den Checkout abschließen kann Technischer Rahmen Mir ist wichtig, primär auf vorhandene WooCommerce-Funktionalitäten aufzubauen. Statt eines großen Eigen-Plugins genügt ein schlanker Ansatz, der Hooks, REST-API oder ...

    $459 Average bid
    $459 Oferta promedio
    163 ofertas

    I need a sleek, modern-looking site where I can present and sell my freelance services with zero clutter and a strong focus on usability. The aesthetic must be clean: plenty of white space, crisp typography, and a responsive layout that holds up on mobile, tablet, and desktop. Scope of work • Design and build a full website that clearly lists each service I offer as a freelancer. • Give me an easy way to add, edit, or retire services without touching code—WordPress, Webflow, or a custom CMS are all fine as long as the interface is intuitive. • Ensure pages load quickly, follow basic SEO best practices, and render correctly across major browsers. • Include a contact or inquiry flow so prospects can reach me in one step; if you have ideas for optional add-o...

    $11 / hr Average bid
    $11 / hr Oferta promedio
    95 ofertas

    I'm seeking an experienced developer to build a modern and clean business website using WordPress and Elementor. Key Requirements: - The website should include the following pages: Home, About Us, Contact Us, Services, and Shop. Ideal Skills and Experience: - Proficiency in WordPress and Elementor - Strong design skills for a modern and clean aesthetic - Experience in setting up e-commerce functionalities is a plus - Attention to detail and ability to meet deadlines Please provide a portfolio showcasing similar projects.

    $19 / hr Average bid
    $19 / hr Oferta promedio
    393 ofertas

    I'm looking for an experienced developer to implement SSO (Single Sign-On) functionality for both our web and mobile applications. Key Requirements: - Initial focus on integration with Microsoft Entra ID, with potential expansion to other identity providers (e.g., Google, Facebook). - Experience with OAuth, SAML, or OpenID Connect. - Secure authentication and seamless user experience are a priority. Ideal Skills: - Strong background in authentication protocols. - Proven track record in SSO implementation. - Familiarity with both web and mobile application security practices. Preference: - UK-based freelancers are preferred.

    $611 Average bid
    $611 Oferta promedio
    186 ofertas

    We are seeking an experienced Backend Developer to implement new messaging, media, privacy, and VoIP signaling, Screen Sharing features into our existing WhatsApp-like communication platform. Tech Stack: Backend: Node.js, Fastify, PrismaORM, MySQL Real-time & Media: WebSockets, Mediasoup (Audio/Video calls) Note: You will only be responsible for the backend development (REST APIs, WebSocket events, database schema updates, background jobs, and Mediasoup signaling). Our mobile development team will handle all front-end/app integration. 1. Chat & Messaging Module** * **Message Reactions & Replies:** * Add API endpoints and WebSockets/Socket events for attaching reactions (emoji) to specific `message_id`s. * Support threaded replies by referencing `parent_message_id` in the me...

    $477 Average bid
    $477 Oferta promedio
    211 ofertas
    Ready-Made Online Tutoring Website
    3 días left
    Verificado

    I am looking to purchase a fully built online tutoring site that I can see working in a live demo before committing. The platform must already support both one-on-one and group classes and include an integrated meeting link with automatic recording so sessions are archived without extra setup. Core functions I need to see in action are: • Live video sessions with stable streaming quality • A scheduling / booking calendar that students or parents can use on their own • Built-in payment processing (credit card, UPI, PayPal or similar) so I can take fees immediately Teaching tools should be part of the package, not add-ons: an interactive whiteboard, reliable screen-sharing, and straightforward file sharing for worksheets or homework. Everything has to be simple eno...

    $111 Average bid
    $111 Oferta promedio
    98 ofertas

    I need a clean, modern website that lets visitors browse my residential listings with ease. The site’s sole purpose is to showcase properties, so every page should keep photos and details front-and-center while encouraging enquiries. Key elements I must have: • Property pages with a fast-loading photo gallery • Seamless virtual-tour integration (YouTube, Matterport, or similar) • A simple contact form on each listing that sends leads straight to my inbox Please build the site to be mobile-friendly, search-engine aware, and easy for me to update with new homes later—WordPress, Webflow, or another user-friendly CMS is fine as long as the end result looks polished and loads quickly. Hand-over will include all source files, login credentials, and a short wal...

    $234 Average bid
    $234 Oferta promedio
    136 ofertas

    I need a single-page HTML application that lets me create and immediately download event participation certificates through the browser—no server-side component. The page must be fully responsive, built with vanilla HTML, CSS and JavaScript (you may add a lightweight JS library for the QR code). Core flow • User types the participant’s name and selects or types the area of services. • On Generate, the script assigns a unique, self-incrementing document ID, places today’s date, and embeds a QR code that encodes that ID (or a future URL pattern I can change in the code). • A styled certificate preview appears instantly; a second click exports the design as a high-resolution PDF or PNG ready for printing. On providing the blank certificate Certificate must ...

    $15 Average bid
    $15 Oferta promedio
    80 ofertas

    I’m planning to add a fully-functioning calculator to my website and need someone who can take the idea from concept to live deployment. The exact style—whether a straightforward arithmetic tool, a more advanced scientific layout, or something totally custom-fit to my content—can be decided together once you understand my goals. What matters most is that the calculator looks seamless within the current page design, works perfectly on desktop and mobile, and is delivered with clean, well-documented HTML/CSS/JavaScript (or a lightweight framework such as React if it truly helps). You’ll be responsible for: • Discussing the site’s purpose with me and recommending the best calculator format • Designing an intuitive UI that matches my existing b...

    $219 Average bid
    $219 Oferta promedio
    147 ofertas

    I need a crisp, professional website that clearly presents our company profile and the services we provide. The site is purely informational—no e-commerce or blog element—so the focus is on clean navigation, concise copy placement, and a layout that feels trustworthy to decision-makers who visit. Here is what I have in mind: • A modern, corporate look in line with Fortune-500 style guidelines: balanced white space, restrained color palette, and typography that works seamlessly across desktop and mobile. • Core sections for About Us, Services, Case Studies, Team, and Contact. I will supply all copy; you will translate it into an engaging, on-brand visual story. • Responsive build using industry-standard tools (I’m comfortable with WordPress, Webflow, ...

    $63 Average bid
    $63 Oferta promedio
    138 ofertas

    More details: Which platform would you like to migrate your website to? WordPress What functionality do you want to ensure is transferred from your current website? It contains videos, forms and general lead capture Do you need any additional features to be added during the migration? This question was skipped by the user

    $395 Average bid
    $395 Oferta promedio
    252 ofertas

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