AJAX Developers For Hire
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Hire senbhavin
Founders come to me when they need one engineer who owns the entire product: React, Next.js, Node.js, Python, AI integration, mobile app, and deployment. I build AI-powered SaaS products, MVPs, and full-stack web and mobile applications from architecture to production deployment. In 10+ years, I have shipped...Founders come to me when they need one engineer who owns the entire product: React, Next.js, Node.js, Python, AI integration, mobile app, and deployment. I build AI-powered SaaS products, MVPs, and full-stack web and mobile applications from architecture to production deployment. In 10+ years, I have shipped products used by real businesses: → Built multi-tenant SaaS platforms with schema-based data isolation, role-based access control, Stripe subscription billing, and full admin dashboards deployed and running in production. → Integrated OpenAI, Claude, Azure OpenAI, and LangChain into real products, building AI agents, RAG pipelines, and speech-to-text workflows. → Engineered custom NLP engines with 93.3% entity accuracy, sub‑20ms responses, and scalable processing across 500+ products in a 5‑step state machine. → Developed React Native and Flutter apps with real-time features, third-party payment, and map integrations, delivered simultaneously on iOS and Android. → Engineered real-time architectures using WebSockets, SignalR, and Socket IO for platforms handling 10,000+ concurrent users without performance degradation. → Built and integrated complex third-party systems, DocuSign contract workflows, IMAP email ingestion, government compliance APIs, G2A catalog sync, and multi-system automation pipelines. → Worked across SaaS, healthtech, logistics, e-commerce, sports, fintech, and real estate, adapting quickly to domain requirements without hand-holding. → Maintained Preferred Freelancer badge with Top Rated Freelancer, across 150+ completed projects with long-term client relationships and on-time delivery. My stack covers the full product: → AI & LLM Integrations • OpenAI, Claude, Gemini API Integration • LangChain, Pinecone, Weaviate, FAISS • Custom AI Agents, Intelligent Workflows, RAG Architecture → Frontend Development • React, Next.js (App & Pages Router), Vue.js, Angular • Tailwind CSS, Material UI, Chakra UI, Framer Motion • Redux, Context API, React Query → Backend Development • Node.js, Express.js, Nest.js • Python, Django, FastAPI, Flask • Supabase, Firebase, REST APIs, GraphQL • WebSockets, Socket IO, JWT/OAuth Authentication → Mobile Development • React Native (Expo & CLI), Flutter • Real-time chat & video (Twilio, Agora, WebRTC) • Third-party integrations (Stripe, Maps, Push Notifications) → Database & Cloud • PostgreSQL, MySQL, MongoDB, Redis • AWS (S3, EC2, Amplify), Google Cloud I work best with founders and technical leads who need one reliable engineer to own the build end-to-end. I communicate clearly, flag blockers early, and treat your deadline as mine. Send me a message with your requirements, and we can outline your technical roadmap on a quick call. Bhavin Sen less -
Hire KESHAVINFOTECH
KESHAVINFOTECH KESHAVINFOTECH
$7 USD / hour
Quick & Affordable AI Dev: Mobile, Web, Games, IoTIndia## 18+ Years of Experience | AI-Powered Development | Top on Freelancer Hi there! I’m Ghanshyam, and I lead the team here at Keshav Infotech. Our journey started in 2006. Back then, my partner Samir and I had just three computers (one was borrowed!) and a tiny workspace. Today, we have grown into a team of 75+...## 18+ Years of Experience | AI-Powered Development | Top on Freelancer Hi there! I’m Ghanshyam, and I lead the team here at Keshav Infotech. Our journey started in 2006. Back then, my partner Samir and I had just three computers (one was borrowed!) and a tiny workspace. Today, we have grown into a team of 75+ experts working from our 5,000-sq-ft office. We aren't just "tech guys"—we are "techpreneurs" who love building great products. ### Why Work With Us? We combine 18 years of deep experience with the speed of modern AI. => Faster Delivery: We use the latest AI tools (Cursor, Claude, ChatGPT) to write and check code faster. => Better Pricing: By using AI and ready-made assets, we save time on manual tasks. We pass those savings on to you. => Proven Quality: We are in the Top Rank of the Freelancer.com community with a very high repeat hire rate. ### What We Do Best - Mobile Apps: iOS, Android, and Flutter. - Specialized Apps: BLE, IoT, NFC, and Hardware integration. - Game Development: High-quality Unity Games. - Web Development: Laravel, Node.js, React, Vue, WordPress, and Shopify. - Design: Modern UI/UX Design for apps and websites. ### How We Work (Step-by-Step) We follow a clear process so there are no surprises: 1. Scope: We create a detailed study document of your requirements. 2. Planning: We build wireframes and data flow diagrams. 3. Design: We create the system design and all app screens. 4. Testing Plan: We define test cases for all devices. 5. Development: Our team starts the programming phase. 6. Review: Regular updates and reviews with you. 7. Launch: Final testing, bug fixing, and deployment to your server. ### Availability & Communication - Response Time: Usually within 12 hours. - Working Days: Monday to Saturday. - Working Hours: 10:00 AM to 8:00 PM. Our Goal: We aren’t looking for a "one-time project." We want to build a long-term business relationship with you. We guarantee our work and won't stop until you are 100% happy. Ready to start? Let’s chat about your project! Best Regards, Ghanshyam & Samir Keshav Infotech less -
Hire zhens2
I’m a Senior Full-Stack Developer with over 8 years of experience delivering end-to-end web and software solutions for startups, enterprises, and global clients. I specialize in building scalable, secure, and user-focused applications using modern frameworks and tools across both frontend and backend stacks. My...I’m a Senior Full-Stack Developer with over 8 years of experience delivering end-to-end web and software solutions for startups, enterprises, and global clients. I specialize in building scalable, secure, and user-focused applications using modern frameworks and tools across both frontend and backend stacks. My expertise includes technologies like Laravel, React, Node.js, PostgreSQL, and cloud platforms such as AWS and Google Cloud. less -
Hire Webtechfusion23
Webtechfusion23 Webtechfusion23
$30 USD / hour
✅Full-Stack Web Developer | 12 years of ExperiencePakistanI am a Full-Stack Web Developer with 12 years of experience in (𝗣𝗛𝗣, 𝗟𝗮𝗿𝗮𝘃𝗲𝗹,𝗖𝗼𝗱𝗲𝗶𝗴𝗻𝗶𝘁𝗲𝗿 & 𝗪𝗣) . I have successfully served more than 1,000 businesses through various freelancing platforms like Upwork and Fiverr. I absolutely love making software that helps businesses work better and smarter. It's like giving...I am a Full-Stack Web Developer with 12 years of experience in (𝗣𝗛𝗣, 𝗟𝗮𝗿𝗮𝘃𝗲𝗹,𝗖𝗼𝗱𝗲𝗶𝗴𝗻𝗶𝘁𝗲𝗿 & 𝗪𝗣) . I have successfully served more than 1,000 businesses through various freelancing platforms like Upwork and Fiverr. I absolutely love making software that helps businesses work better and smarter. It's like giving them a superpower! 𝗠𝗬 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦: ✔️Web based Enterprise Resource Planning (ERP) Software ✔️Web based Content Management Systems (CMS) ✔️Web based Inventory Management Systems ✔️Web based Accounting Management Systems ✔️Web Data Analytics Dashboards ✔️API Development ✔️Web Scraping ✔️Wordpress Website development ✔️Ecommerce/WooCommerece ✔️Web Security ✔️Payment integration (Paypal, Stripe, Visa, Master) ✔️Mobile App development ✔️Graphic Designing ✔️AI Automation 𝗠𝗬 𝗦𝗞𝗜𝗟𝗟𝗦 : Core PHP | MVC | CodeIgniter | Laravel | JavaScript | Wordpress | HTML5 | CSS 3 | jQuery | AJAX | MySQL | MySQLi | React JS | Node JS | Firebase | Cronjob | Cake PHP | FireStore | MongoDB | Cpanel | Web Security | Elementor | Divi | GPT | Chatbots | SSL | Metabase | CSV | Project Management | Ui/Ux | Figma | iOS and Android App Development | Flutter | React Native | GUI | Pulumi | Gruntworks | WIX 𝗣𝗢𝗥𝗧𝗙𝗢𝗟𝗜𝗢 ⭐⭐⭐⭐⭐ ERP System: https://demopump.munshei.pk Gaming & Gifts: https://bonustienda.com/app WooCommerace: https://sandalirasoterra.it/ Dropshipping: https://petsplanetcare.com/ Shopify:https://trustedpetproducts.com/ WooCommerace: https://joypack.com.mx/product-category/experiencias/ Customize Cart Plugin: https://noblendy.com/cart-2/ Wordpress Website for Movers: https://brightprofessionalmovers.com/ Traverls & Tours: https://pericoripiaotours.com/home-new/ Health & Care: https://atriohomecare.org/ Thank you Regards, Aftab Ahmad Full Stack Developer less -
Hire KarthikTechCon
We@ResoniteTech have expertise and experience on web, mobile and desktop application development across Java, PHP & Python based frameworks and platform. We have experience on both RDMS and no-sql databases from data modelling to deployments. we do services on testing using JMeter, Selenium based tools and...We@ResoniteTech have expertise and experience on web, mobile and desktop application development across Java, PHP & Python based frameworks and platform. We have experience on both RDMS and no-sql databases from data modelling to deployments. we do services on testing using JMeter, Selenium based tools and platform. We have developed desktop application (windows based) on JavaFx , Android apps, and Web-application based on CodeIgniter, Laravel, Zend, Spring Boot, Quarkus, Django, Fast API and so on. We continue to take more challenging and rewarding projects to scale up further to meet customer's demand. We have developed desktop based windows application called "TradeSense" for managing inventory, billing and accounting of a retail business for small / medium scale industries. Please check out this product on below link https://digitradesense.com/ We have launched mobile app called "UpToDate" to help user take timely action for insurance, utilities, Passport/Visa and family events on Google Play store as below https://play.google.com/store/apps/details?id=com.my.uptodate We have developed desktop based simulation and modelling software product called "Caliper" to optimize distribution network for CPG and Retail customers We have developed mobile app called "Scan & Do" to help the user scan any QR code / Bar Code and do relevant meaningful action according to the scanned code as below https://play.google.com/store/apps/details?id=com.scantosearch Skilled in : PHP, MySQL, Python, Django, Zend, Code Igniter, Laravel, Docker, JMeter, Selenium, Android, Java, SQLite, VC++,OpenGL less -
Hire extreamcode
Please visit my full portfolio: https://divulgetechnologies.com/ I am a Full-Stack, AI, Network, and Systems Engineer with 15+ years of experience building web platforms, business applications, automation tools, API integrations, server-side systems, and secure technical solutions. I help clients turn complex...Please visit my full portfolio: https://divulgetechnologies.com/ I am a Full-Stack, AI, Network, and Systems Engineer with 15+ years of experience building web platforms, business applications, automation tools, API integrations, server-side systems, and secure technical solutions. I help clients turn complex requirements into working software, from planning and architecture to development, deployment, optimization, documentation, and post-launch support. 30-Day Guarantee with Full Support Coverage After Project Completion. Core Expertise: - Custom websites, web apps, dashboards, portals, SaaS tools, and admin panels - Full-stack development with PHP, MySQL, JavaScript, React, Node.js, MERN, LAMP, Python, and CakePHP - WordPress, WooCommerce, Shopify, Magento, OpenCart, PrestaShop, CS-Cart, WHMCS, Webflow, Wix, Squarespace, Framer, Base44, Lovable, and Odoo - Mobile app development with Flutter for Android and iOS - API development, REST APIs, webhooks, payment gateways, third-party integrations, and data sync - AI / ChatGPT integrations, automation assistants, workflow automation, and AI-enabled tools - Database design, SQL, reporting, authentication systems, secure login flows, and access control - Server, hosting, Linux, Windows, VPN, firewall, routing, MikroTik-style network workflows, and troubleshooting - DevOps support including deployment, configuration, containers, cloud systems, OCP/OpenShift, RabbitMQ, and YAML fixes - Enterprise software integration, ERP/CRM workflows, Business Central/NAV style migrations, and documentation - TradingView / Pine Script style automation, webhook alerts, JSON payloads, and workflow scripting - 3D, Unity, Three.js, WebGL, interactive avatars, and real-time web integrations - AI/ML prototypes, Python automation, data workflows, and research-oriented proof of concepts Many projects are not just websites. They involve connecting software with databases, APIs, devices, cloud services, user workflows, authentication systems, reporting tools, or business platforms. I work on these kinds of system integration projects where reliability, clear logic, and maintainable architecture matter. What You Can Expect: - Clear communication - Practical technical advice - Clean and scalable implementation - Secure and performance-focused development - Reliable troubleshooting - Proper documentation - Business-focused problem solving - 1-month free support after delivery Whether you need a website, eCommerce store, mobile app, API integration, automation workflow, server fix, AI tool, network/system troubleshooting, enterprise integration, or custom software solution, I can help you build it properly and keep it dependable. less -
Hire freshjah
I’m a seasoned IT professional with over 20 years of hands-on experience delivering secure, scalable, and high-performance web applications. I specialize in: - Full-Stack Development: PHP (Laravel, Livewire), C#/.NET, Bootstrap, Tailwind, Alpine.js - Database Architecture: MySQL, MSSQL, Informix – optimized for...I’m a seasoned IT professional with over 20 years of hands-on experience delivering secure, scalable, and high-performance web applications. I specialize in: - Full-Stack Development: PHP (Laravel, Livewire), C#/.NET, Bootstrap, Tailwind, Alpine.js - Database Architecture: MySQL, MSSQL, Informix – optimized for performance and reporting - Secure Solutions: I build with cybersecurity in mind — strong authentication, validation, access control - Infrastructure: Laravel Forge, AWS, Git, Linux servers, API integrations, Ably, and real-time comms - Modular Systems: From dashboards to CRMs and scheduling tools, I design for flexibility and growth What You Can Expect: - Unlimited revisions during project development (within scope) - Lifetime bug fixes on all custom applications I build - Clean, documented code and proactive communication - A partner who treats your project like it’s his own If you’re looking for reliability, deep expertise, and a quality-driven mindset, let’s connect. Message me now to discuss how I can bring your project to life — on time and beyond expectations. less -
Hire kreativesystem91
kreativesystem91 kreativesystem91
$15 USD / hour
✅Web✅Python✅Automation✅Bots✅Scrapping✅PHP✅ANDROIDVenezuelaI am a passionate python developer with excellent experience in other web technologies. I have a strong grip on the Python core and related troubleshooting. Using python, I can create scalable web applications compatible with big data/web scrapping with its analytics. I have experience in the following: ✅ Interface...I am a passionate python developer with excellent experience in other web technologies. I have a strong grip on the Python core and related troubleshooting. Using python, I can create scalable web applications compatible with big data/web scrapping with its analytics. I have experience in the following: ✅ Interface (HTML, CSS, javascript, Jquery, GraphQL) ✅ Backend (Python, Django, Flask, API Integration, REST API, PHP) ✅ Database (MYSQL, MongoDB, PostgreSQL) ✅ GUI development (PYQT, Tkinter) ✅ Web scrapping (BeautifulSoup, Selenium) ✅ Automation (Selenium webdriver, Zapier) ✅ Data analysis (Numpy, Pandas) ✅ Data-driven Python web applications (Dash / Plotly / Streamlit) ✅ Web applications with PHP (Laravel, Codeigniter) ✅ AWS (Amazon web services) less -
Hire vinhtq0703
I'm a expert developer and I'm here to help you complete the project in the perfect way. I have over 10 years of experience in website development (e-commerce, advertising, information introduction, ...) and mobile app development. I'm experienced in many different programming languages (PHP, Laravel, Magento,...I'm a expert developer and I'm here to help you complete the project in the perfect way. I have over 10 years of experience in website development (e-commerce, advertising, information introduction, ...) and mobile app development. I'm experienced in many different programming languages (PHP, Laravel, Magento, Wordpress, OpenCart, ReactJs, react native, flutter, scraping . . .). I will bring the best results and efficiency when implementing projects and hope to make my customers satisfied. less -
Hire minhhoangduc
✔ I am a professional PHP programmer specializing in Drupal, WordPress, Magento, Shopify, Nodejs, React, TailWind and more. ✔ https://www.drupal.org/u/hoangd ✔✨? ✔ I have in-depth knowledge with AI, Software Architecture, Software Development, Database System, Windows and Linux OS system. ✔ I can work well with...✔ I am a professional PHP programmer specializing in Drupal, WordPress, Magento, Shopify, Nodejs, React, TailWind and more. ✔ https://www.drupal.org/u/hoangd ✔✨? ✔ I have in-depth knowledge with AI, Software Architecture, Software Development, Database System, Windows and Linux OS system. ✔ I can work well with C++, C#, VB, HTML, CSS, Javascript, jQuery. ✔ I have a very high "Repeat Hire Rate" by the clients because they consistently receive the best quality work when they HIRE ME. ✔ I can easily meet client requirements within the given TIMEFRAME and BUDGET. less
