The ultimate guide to hiring a web developer in 2021
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
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:
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!
Müşterilerimiz, Web App Developers freelancerlarımızı 101,368 değerlendirme içinden 5 üzerinden 4.9 ile derecelendirdi.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:
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!
Müşterilerimiz, Web App Developers freelancerlarımızı 101,368 değerlendirme içinden 5 üzerinden 4.9 ile derecelendirdi.I already have a website which built in core php. I need to change the design for the home page, the website is for kebab shop, please see the attached images for how I want the design, in admin panel I also want to control the font and images and some other things in the home page
I’m finalising an app-store submission that requires a pair of reliable South-African hands online for a few hours. You’ll sit on WhatsApp with me in real time, keep both an Android and an iOS handset close by, and help drive the last-mile steps our overseas team can’t complete from outside the country. Here’s how the session will flow. Once we start, I’ll walk you through each registration screen, ask you to reproduce the steps on your own devices and relay anything the platform sends—confirmation screens, prompts, errors—straight back to me. When an SMS or one-time-password lands, simply drop it in our chat so I can enter it immediately. The emphasis is on quick, accurate coordination; your responsiveness is what unblocks the launch. The task i...
Full-Stack Developer Needed — Loan DSA CRM Web App (React + Node.js + PostgreSQL) Upwork Job Post --- ABOUT --- We are a professional Loan DSA firm based in Amravati, Maharashtra, India. Our proprietor, runs a fast-growing loan facilitation business handling Home Loans, LAP, Business Loans, Personal Loans, and 17 other have a complete, production-ready CRM source code (React + Node.js + PostgreSQL) ready to share. We need a skilled developer to deploy it, integrate Google Drive, Email, SMS, and WhatsApp, and hand it over fully working. --- DELIVERABLES --- 1. Deploy the Node.js backend and React frontend, configure PostgreSQL database 2. Google Drive integration — connect to @ via OAuth2 3. Gmail SMTP email automation for lead stage notifications 4. SMS integration via MSG...
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Virtual assistance for testing in Syria for long-term cooperation to test mobile and web applications. The ideal candidate must be detail-oriented, reliable, and able to strictly follow the provided instructions and test scenarios. No special skills are required to complete the testing
I need a small, browser-based calculator that lets my customers work out exactly how much aluminium they have in their basket and whether it meets our production thresholds before they call us. The interface should feel as familiar as a typical e-commerce quantity selector: pick a beam section, choose a length, type in a quantity and watch the results update instantly. Behind the scenes the script has to pull the density and surface-area data I will supply (already organised in a spreadsheet) and then: • add up total weight in kilograms • add up total powder-coating area in square metres • highlight when any single beam section hits 250 kg • highlight when any colour grouping hits 200 m² Customers will also be able to split the same physical items across d...
We are a small startup working towards a goal what we need is a web app with the following - 2 static pages 2 pages connected to a database where it reads data from the database adding a radar chart to one page adding a filter to filter out data on one page 2 pages with a questionnaire (one short one long, questions provided, need to process one short 30-45 second video and around 3 pdf's for the long questionnaire) 3 instances of payment processing (most likely a stripe integration, also need to email a pdf with the receipt with one payment integration) a simple user login showing payment history of user total 6 pages (2 static, 4 dynamic with some functionality) Monetization and reporting are part of the prototype. I need three separate payment touchpoints wired up through Stripe...
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Our webpages has a webpage for 10 cities in the USA and 10 cities in Europe. Our problem is that these pages are not indexed by google. Like We need you help to ensure that the they are seen in country as a global project. Like if you write talking statues in Paris - we want the pages to immediatly to SEO Foundations for IndexingMake sure each city page is accessible to Googlebot (no noindex tags, no blocking in ).Create and submit an up-to-date XML sitemap listing all 20 city pages to Google Search Console. Use structured data () with local business or place markup tailored to each city page to signal your server responds quickly and pages load fast for each locale.
Tengo integrado en mi sitio web (laravel) y necesito que el evento Purchase deje de aparecer como “discarded”. Contexto • La integración existe únicamente en el sitio web (no app ni e-commerce externo). • El proyecto está construido en Laravel. • El único evento crítico es la Compra completada. Lo que requiero 1. Revisar el tag de AnyTrack y su configuración en Laravel. 2. Detectar por qué el evento Purchase queda descartado y corregir el flujo (atributos, parámetros, pixel, etc.). 3. Validar en tiempo real que el evento se registra como “tracked” en el dashboard de AnyTrack. 4. Entregar un breve informe con los cambios aplicados y las pruebas realizadas. Se da contexto del ...
I want to build a tool that connects an AI website builder with WordPress. The goal is that I can write prompts in an AI builder (for example or ), and the AI will generate the structure, layout, content, and images of a website. Then this tool should automatically create and update the website inside WordPress. The workflow I want is: 1. I write a prompt in the AI builder describing the website (for example: create a website for a digital marketing agency with Home, About, Services, Blog, and Contact pages). 2. The AI generates the website structure, layout sections, content, and images. 3. The tool receives the AI output through an API. 4. The tool converts the AI output into a structure compatible with WordPress and Elementor. 5. The tool uses the WordPress REST API to automatically...
Project Title Production Planning, Inventory & Dispatch Automation Tool for Furniture Manufacturing About Us We are a flat-pack furniture manufacturing company supplying products through Amazon Vendor Central. Every week we receive purchase orders for multiple fulfillment locations. We manufacture, pack and dispatch products based on these purchase orders. Currently our operations are managed using multiple Excel sheets across departments, which is becoming difficult to manage. We are looking for a developer to build a simple web-based operational planning tool to automate production planning, stock management and dispatch planning. Business Scale Products (ASINs): 200 – 300 Production Volume: 12,000 units/month (target 25,000) Purchase Orders: 2000–2500 u...
Cybersecurity/ Web Automation Expert: Sandbox for TikTok Ads → Google Ads Traffic Flow. Build Automated Sandbox to Replicate TikTok Ads → Google Ads Flow Project Overview: I am experiencing a sophisticated ad fraud attack draining $ from Google Ads. Real TikTok users are manipulated via the TikTok in-app browser to perform “shadow searches” and click my paid google ads, followed by form submissions on my landing page. I need a freelancer to *build a fully automated sandbox* that replicates this end-to-end flow, logs exact headers, redirects, and tracking parameters, and produces data to design real defenses. I need a expert to build a *fully automated sandbox environment* that replicates this end-to-end flow, logs exact headers, redirects, and tracking parameter...
I’m ready to plug a new payment software API into our live website and already have the full documentation and keys on hand. What I need from you is clean, secure code that drops straight into our existing stack, handles the full checkout flow, and returns the usual success / fail callbacks so my team can log transactions and trigger order fulfilment. We are using Wix Velo (js-based) Deliverables: • Fully integrated payment endpoints with server-side validation • Front-end call examples (or drop-in components) for pages when payments are requested • Callback/webhook handling to update payment status in our database • Clear hand-off notes Everything should be tested in sandbox and then switched to live mode once we’ve verified successful end-to-end ...
I have an exploratory project that must be online and demo-ready in just two days. The theme is “Roommate work-based,” but in my case the end-users are families who share a home and want to run it like a smooth household. The core features I need working are: • Task management – create, assign, edit and mark chores complete. • Scheduling – a shared calendar or timeline so everyone sees who does what, when. • Communication – lightweight in-app chat or comment threads tied to each task. A clean, responsive interface is essential so parents and kids can open it from phones, tablets or a laptop without confusion. Real-time updates ( / Firebase style) would be ideal, yet a quick AJAX refresh loop is acceptable if speed is a concern. Please del...
Job Title: Full-Stack Developer – Phase 2 Development for Direct Close Real Estate Platform --- # Project Overview We are building a custom web platform called Direct Close designed to operate a real estate wholesaling business from a centralized system. The platform will manage the entire workflow of the business including: Seller Lead Capture → Lead Management → Property Evaluation → Deal Creation → Buyer Marketplace → Deal Assignment Phase 1 has already been completed, which established the initial system architecture and foundational functionality. Phase 2 will expand the platform into a more operational system, focusing primarily on: • Lead capture and organization • Investor (buyer) access • Deal creation and distribution &b...
urgent needed for .gov .edu. my webshell
I am looking to hire an experienced developer to build a professional website for my company that offers certified translations for immigration and official purposes in the United States. My goal is to create a website that can compete globally with large online translation companies. The website should include the following features: Document Upload System Clients must be able to securely upload their documents (PDF, JPG, PNG) directly through the website. Instant Price Quote Customers should be able to select the document type (for example birth certificate, marriage certificate, diploma, etc.), language pair, and number of pages, and the system should automatically calculate the price. Online Payment Integration The website must allow customers to pay online securely using major pay...
Budget: $2,500 CAD (Firm) We are looking for an experienced developer to build a web-based platform integrated into our existing website. The platform will consist of three user portals and integrate with our existing Zapier lead distribution system. Platform Overview: The system will include the following portals: Service Provider Portal Customer Portal Admin Panel All users (service providers, customers, and admin) must have secure sign-up and login functionality. Core Functionality will be as following: Service Provider Portal: Service providers can sign in to view leads assigned to them. Leads currently sent via email through Zapier will instead appear inside this portal. Providers should be able to view and engage with assigned leads. Customer Portal: Customers can create an ac...
Crear tu sitio web Alcance principal • Estructura de tres secciones clave: – Página de servicios donde detallaré nuestras soluciones. – Sección de equipo para presentar a los colaboradores. – Formulario de contacto funcional que envíe los mensajes al correo corporativo. • Maquetación responsive para una visualización correcta en escritorio, tablet y móvil. • Integración con un gestor de contenidos (WordPress, Webflow o similar) para que luego pueda actualizar textos e imágenes sin depender de código. • Optimización básica de carga y buenas prácticas SEO on-page (etiquetas, URLs limpias, meta-descripciones). • Entrega de mockups inicial...
We are looking for an experienced developer to complete two focused updates on an existing live web application. The platform is already deployed and functioning, so the work must be done carefully without modifying unrelated modules or core system logic. 1. Google OAuth Integration • Implement Google OAuth login for the application. • If a user logs in with Google and the email does not exist in the system, automatically create a new user account. • Integrate the OAuth flow with the current authentication system so users are redirected back to the existing frontend route after successful login. • Ensure compatibility with the current backend authentication flow and JWT/session handling. 2. UI Update – Replace SVG Icons with Emojis • Replace all SVG icons...
I have buit a web-based social platform whose primary metric is user onboarding and engagement, and I want one developer to own it end-to-end. Every day we’ll spend about an hour on a video call to review the agenda, adjust milestones, and make sure we are unblocking each other quickly. The stack is firmly rooted in Microsoft Azure. You’ll shape the CI/CD flow in Azure DevOps, keep the code clean and transparent on GitHub, and lean on Foundry and Copilot Studio to accelerate repetitive work. The first release must run smoothly in the Azure Web App environment, with performance and security best practices baked in from the start. Core experience for the user: • Real-time chat that feels instantaneous and reliable • Interactive posts that accept text, media, and rea...
I'm looking for an experienced developer to launch my Django web application on an Nginx server. Key tasks include: - Setting up Nginx to serve the Django app - Configuring the necessary security settings - Ensuring the application is running smoothly post-deployment Ideal skills and experience: - Strong expertise in Django and Nginx - Experience with server setup and configuration - Familiarity with security practices for web applications Please provide examples of similar work done. Looking forward to your bids!
I need a polished set of website templates that I can use to build a personal Portfolio site. Every template should seamlessly weave in an About Me section, a dedicated Projects showcase, and clear Contact Information, plus a flexible area where I can drop in any other information I decide to add later. Clean, well-commented HTML, CSS, and lightweight JavaScript are ideal so I can tweak colours, fonts, and layout without hunting through messy code. A responsive grid that looks great on mobile, tablet, and desktop is essential, and I’d like smooth scrolling and subtle hover effects that feel professional without being over-the-top. Hand-off the finished templates as a zipped package containing the full source, ready for me to upload to my hosting and start populating with conten...
I’m refreshing my technology brand from the ground up and have three key pieces I’d like handled together so everything launches in sync. First, the wording: I need existing website pages tightened up and a few new sections drafted so the copy sounds clear, engaging, and on-brand. Think concise product descriptions, an about-us page that tells our story, and any micro-copy that guides visitors through the site. Second, the visual identity: I’m after a clean, modern logo that instantly signals “tech,” works on both dark and light backgrounds, and scales well from favicon to billboard. Source files in editable vector format are essential. Third, the build: a lightweight web application (front-end plus a simple back-end) that showcases one of our core to...
I have two ZIP archives—one for the main PHP site and another for its admin panel—plus the accompanying MySQL dump. I will give you access to my Wamp stack, and you can work there; if you prefer XAMPP, Laragon, or a similar tool, let me know and we can adjust, but Wamp is ready to go. Your job is straightforward: unpack the backup, get the site running locally, reach the admin panel with standard credentials, and then hand back every piece of data and code in a clean export. Critical items you will work with: • Main site ZIP file • Admin panel ZIP file • MySQL database dump Deliverables I expect at the end: 1. A fully functioning local copy running in Wamp (or the environment we agree on). 2. A complete SQL dump of the database. 3. A zipped package o...
I need a comprehensive test of my Django application. The goal is to identify and rectify security vulnerabilities, functional bugs, and performance issues. Key areas of concern: - User authentication - Data handling - File loading times Ideal skills and experience: - Proficiency in Django - Expertise in security testing - Experience with performance optimization - Strong debugging skills Please provide a detailed report on findings and recommendations for each issue.
Hello, I want to build a website similar to SEAGM. It should sell digital codes and automatically deliver them after payment. Required features: • Digital product store • Automatic code delivery • Payment gateway integration • Admin panel for uploading codes • Secure checkout Please send your portfolio and estimated cost.
Hello, I want to build a website similar to SEAGM. It should sell digital codes and automatically deliver them after payment. Required features: • Digital product store • Automatic code delivery • Payment gateway integration • Admin panel for uploading codes • Secure checkout Please send your portfolio and estimated cost.
<!DOCTYPE html> <html> <head> <title>Image Slider</title> <style> body{ font-family: Arial; text-align:center; } .slider img{ width:500px; height:300px; display:none; } </style> </head> <body> <h2>Image Slider</h2> <div class="slider"> <img src=""> <img src=""> <img src=""> </div> <br> <style> .slider img{ width:500px; height:300px; display:none; } .slider img:first-child{ display:block; } </style> <br> <button onclick="prev()">Previous</button> <button onclick="next()">Next</button> <script> let index = 0; let slides = ("...
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Purpose The tool should allow users to view their work schedule and register absence in a simple and clear way. Absence should be added directly within the schedule and can be registered either for full days or for specific hours. Functionality Users must be able to log into the system and view their personal work schedule. The schedule should show the days and times the user is planned to work. From the schedule, the user should be able to register absence. When registering absence, the user must be able to select the date and indicate whether the absence applies to the entire day or only a specific period of time. If the absence is registered for hours, the user must be able to enter a start time and end time. The user should also be able to specify the type of absence, such as sick...
<!DOCTYPE html> <html> <head> <title>Image Slider</title> <style> body{ font-family: Arial; text-align:center; } .slider img{ width:500px; height:300px; display:none; } </style> </head> <body> <h2>Image Slider</h2> <div class="slider"> <img src=""> <img src=""> <img src=""> </div> <br> <style> .slider img{ width:500px; height:300px; display:none; } .slider img:first-child{ display:block; } </style> <br> <button onclick="prev()">Previous</button> <button onclick="next()">Next</button> <script> let index = 0; let slides = ("...
A website for a shop (shopping cart, payment, logs, etc.). More details will be provided.
My proof-of-concept already handles basic user login, simple content display and form submission, plus a few extras I bolted on for internal testing—call simulation and rudimentary data-metrics screens. Now I need this prototype hardened and expanded into a production-ready web application. Where we start • Existing codebase with the features above, running in a staging environment you’ll get access to. • Clean UI/UX; no heavy refactor is required, but polish is always welcome. What has to be added 1. Advanced user management with five roles: Admin, Editor, Viewer, Client and Employee. Each role must have clearly scoped CRUD permissions that can be adjusted later through an admin panel. 2. Real-time notifications—think WebSocket or a comparable solutio...
Necesito ayuda para dejar listo un formulario creado en mi propia cuenta de Typeform y mostrarlo en una página WordPress. Qué espero: • Revisar la configuración del formulario dentro de Typeform y asegurarte de que todos los campos funcionen correctamente. • Obtener el código de incrustación (iframe) o, si lo prefieres, emplear el método que mejor se adapte al sitio (plugin o inserción directa en HTML) y publicar el formulario en la página indicada. • Asegurar que los envíos queden guardados en TYPEFORM u otra solución que puedas proponer si ofrece ventajas adicionales. • A cada registro, que se mande un correo de aviso Entrego acceso a la cuenta para que trabajes directamente sobre el formula...
I need a skilled web app engineer to develop a company platform that integrates multiple systems. The platform will serve as a central hub for all operations, including employee management, customer relationship management, and internal communication. Key Requirements: - Integration with existing systems: - HR management system - Accounting system - Customer support system - Project management tools - AI market intelligence Ideal Skills & Experience: - Strong background in web app development - Experience with system integration - Proficiency in managing complex databases - Familiarity with AI tools and market intelligence platforms - Excellent problem-solving skills and attention to detail Please provide a portfolio showcasing similar projects. Looking forward to your bi...
I already have a complete, single-page HTML file that contains every section, heading, paragraph, color value, and layout decision for my new site. All I need now is for that exact design to live inside my existing Squarespace account, split across three native pages: I • Home • About • Contact / Demo Request Please keep the look and flow identical to the HTML reference—same typography, spacing, Navy #0D2B5E accents, and Gold #C9A535 highlights. No new visual concepts are required. If an image slot appears in the file, drop in a clean placeholder; I’ll replace those later. The domain is already connected, so once the build is done I should be able to preview, test, and publish immediately. Deliverables (within 24–48 hours of project start): ...
We’re inviting developers and builders to create a useful AI agent powered by CLōD () CLōD is an AI inference platform designed to make AI more accessible, intelligent, and affordable for builders. It provides: - Access to premium AI models at lower cost - More free LLM models - Higher free request limits for builders - A simple API for building AI applications and agents If you're building AI tools, assistants, or automations, CLōD helps you run them cheaper and more flexibly. What to Build: Create a working AI agent that performs a useful task. Your agent can run anywhere, web app, automation workflow, messaging bot, etc. Examples include: - Telegram AI assistant that answers questions or automates tasks - Discord moderator bot that manages communities - WhatsApp AI helpe...
I have two separate systems hosted under the same hosting provider: 1. Online course website 2. Another application with an admin panel Both are separate websites but hosted under the same control panel. Their login databases exist under the same hosting environment. Recently after a server/PHP upgrade, login functionality stopped working correctly. One freelancer already fixed the main website login for Fedu Academy, but the EXE-based login system still has an issue. ________________________________________ Scope of Work 1️. Fix EXE Login Issue The EXE application connects to the website for authentication. Tasks include: • Debug login/authentication issue • Fix session or validation issues • Ensure license activation works correctly • Ensure compatibility with current...
I’m launching a new online hub for my appliance-repair business and I need the entire website built from scratch. The site should showcase our ability to service all makes and models—from kitchen and laundry machines to heating & cooling units—while making it effortless for customers to request help. Here’s what I have in mind: • A modern, mobile-responsive layout that instantly tells visitors we repair every major appliance brand. • Clear service pages for kitchen, laundry, and HVAC categories, each with a quick “Book Now” or “Request Quote” form. • An easy-to-manage back-end (WordPress, Webflow, or a platform you recommend) so my team can add promotions, testimonials, and blog articles without touching code. •...
Neat and clean website with contact details and contact forms. add services and testimonials with a gallery page
React + Supabase Developer — Workplace Verification of Competency Web App Fixed price · AEST timezone preferred · Full spec and working prototype provided Note: the budget shown is a placeholder. I expect bids in the $800–$1,200 USD range for a complete, quality build. Bids significantly below this will not be considered. What this project is I need a developer to wire up a fully-designed React prototype into a production web application. The UI is complete — you are not designing anything. Your job is to connect it to a real database (Supabase), add authentication, and set up automated email delivery. The application is called SpecialisedVOC. It is a workplace verification of competency platform used to record and certify that workers can safely operate ...
u can use ai to build simple game , you think the idea and build it. i will pay for the reward gift if user win (remember the result should not be cheated by generate the result server site or else you will pay the reward to player) so just make this site full of traffic. You pay: usd 2 hourly basic pay. incentive if 1000 daily engaged visitor you can usd 10. 5000 visitor get usd 50 daily. longer term work.
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
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