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🚀 Scalable Booking Systems, Payment Solutions & API-Driven Workflows for Modern Businesses Hi, I’m Rajneesh — a Top-Rated Full-Stack Developer with 12+ years of experience and a 100% Job Success Score on Upwork. I help rental operators, SaaS founders, and service-based businesses streamline bookings, automate workflows, and integrate powerful APIs using WordPress, WooCommerce, and custom tech stacks. 🔧 What I Deliver: ✅ Custom Booking & Rental Platforms Dynamic booking websites for hotels, rentals, experiences, and services OTA calendar sync (Airbnb, VRBO, Booking.com), real-time availability, multi-vendor setups Guest automation: emails, invoices, upsells, service add-ons, and more ✅ WooCommerce + Stripe Expertise Custom WooCommerce flows with Stripe, PayPal, and Razorpay integrations Secure checkout pages, payment subscriptions, and instant webhooks Multi-currency support, add-on plugins, and mobile-friendly UX ✅ SaaS App Development Member dashboards, subscription systems, tiered access, and analytics REST API integrations (PMS, CRM, payment, communication) Built with scalability and monetization in mind ✅ WordPress as a Scalable Platform Custom plugins and themes tailored to business needs Advanced admin dashboards, booking management, and reporting Lightweight, fast, and secure solutions — no bloated code ✅ API Integrations that Work Stripe, Twilio, SendGrid, Zoho, Pipedrive, Google APIs Real-time syncing between platforms Booking engines, CRMs, and third-party vendor systems 💡 Why Clients Keep Coming Back: I build clean, modular, scalable systems — not just quick fixes I focus on business outcomes, not just code I stay communicative, accountable, and solution-oriented I offer hands-on post-launch support, updates, and iterations Whether you're launching a new rental site, integrating Stripe into your platform, or building a full SaaS app — I’ll help you get it done right. 📩 Let’s talk if you need someone who gets both the tech and the business side. — Rajneesh

20+ years experienced as Full Stack Senior .NET Developer specializing in SaaS application development, enterprise software architecture, backend engineering, and scalable cloud solutions. With years of practical experience, I build secure, high-performance web platforms using .NET, ASP.NET Core, Azure, SQL Server, Classic ASP and JavaScript frameworks, helping businesses launch reliable digital products faster. 🚀 Backend Expertise ✅ .NET Framework, ASP.NET Core, C#, Classic ASP ✅ Scalable REST API Development, Backend Integration ✅ Microservices, Distributed Systems ✅ Secure Authentication & Authorization using JWT, OAuth ✅ Role-Based Access Control, Identity Management ✅ Clean Architecture 🚀 Frontend Expertise ✅ .NET MAUI, Avalonia UI, Blazor, Razor Pages ✅ Vanilla JavaScript Expert ✅ ReactJS, NextJS, AngularJS ✅ Legacy JQuery ✅ Theme Integration 🚀 Database Expertise ✅ Database Architecture ✅ SQL Server Performance Tuning ✅ MSSQL, MySQL, PostgreSQL ✅ Azure SQL, MongoDB, ElasticSearch ✅ Query Optimization and Data Modeling 🌐 Domain Expertise ✅ Healthcare Application Development ✅ SEO Platforms and Marketing Tools ✅ Cybersecurity Software Solutions ✅ E-Commerce Platforms ✅ SaaS Products ☁️ Cloud Expertise ✅ Microsoft Azure, AWS, Google Cloud Infrastructure ✅ Docker, DevOps, CI/CD Pipelines, and Release Automation ✅ Microsoft Azure Services ✅ Application Performance Optimization ✅ Monitoring, Logging, and Reliability Engineering 💼 Services I Provide ✅ Custom SaaS Product Development from MVP to Production Release ✅ Enterprise Web Application Development with Secure and Scalable Architecture ✅ REST API Development, Third-Party Integrations, and Backend Modernization ✅ Modern Frontend Interfaces with Clean UX and Responsive Design ✅ Cloud Hosting, Infrastructure Optimization, and Deployment Automation ✅ Ongoing Product Maintenance, Feature Expansion, and Technical Support 🌟 Why Clients Choose Me ✅ Years of Real-World Software Development Experience ✅ Strong Technical Depth with Business-Focused Solution Design ✅ Clean, Maintainable, and Future-Proof Code Architecture ✅ Clear Communication, Fast Response, and Reliable Collaboration ✅ Consistent On-Time Delivery with High Quality Standards ✅ Long-Term Technical Partnership for Product Growth and Stability From solution design and development to cloud deployment and long-term maintenance, I can take full responsibility for delivering scalable, production-ready software solutions. Senior .NET Developer Upwork Full-Stack .NET Developer Upwork ASP.NET Core Developer Upwork ASP.NET MVC Developer Upwork C# Developer Upwork .NET Core Developer Upwork .NET Backend Developer Upwork .NET API Developer Upwork REST API Developer Upwork Microservices Developer Upwork Enterprise Application Developer Upwork SaaS Application Developer Upwork Cloud Application Developer Upwork Azure .NET Developer Upwork SQL Server Developer Upwork Database Architecture Specialist Upwork Performance Optimization Specialist Upwork Software Maintenance & Support Upwork Application Migration & Upgrade Services Upwork Third-Party Integration Specialist Upwork Skill Keywords ASP.NET Core .NET Framework C# .NET Core MVC Web API Classic ASP Entity Framework Core SQL Server Azure SQL Microservices RESTful APIs SignalR Blazor Azure AWS Docker CI/CD Pipelines Agile Development Responsive Web Design Frontend Development Backend Development Database Management Scalable Architecture Cloud Deployment Integration Keywords Amazon SP API Integration Burp Suite Integration Stripe Payment Gateway Integration Third-Party API Integration

𝐇𝐞𝐥𝐥𝐨, 𝐈'𝐦 𝐑𝐨𝐧𝐚𝐤 𝐒𝐨𝐥𝐚𝐧𝐤𝐢. I am a Senior PHP Developer and Laravel Developer 𝐰𝐢𝐭𝐡 8+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 building custom web applications, SaaS platforms, CRM systems, ERP solutions, eCommerce websites, APIs, and scalable backend architectures. I help startups, small businesses, and enterprises transform ideas into secure, scalable, and high-performance web applications. My expertise covers the complete development lifecycle, from planning and architecture to deployment and ongoing support. Whether you need a Laravel application, PHP website, Shopware store, REST API, CRM, ERP, SaaS platform, or custom business solution, I can help you deliver a reliable and future-ready product. 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐏𝐇𝐏 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✔ PHP Developer ✔ Custom PHP Development ✔ Core PHP Development ✔ PHP Web Application Development ✔ PHP Backend Development 𝐋𝐚𝐫𝐚𝐯𝐞𝐥 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✔ Laravel Developer ✔ Laravel Web Application Development ✔ Laravel API Development ✔ Laravel SaaS Development ✔ Laravel CRM Development ✔ Laravel ERP Development ✔ Laravel Backend Development 𝐒𝐡𝐨𝐩𝐰𝐚𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✔ Shopware Developer ✔ Shopware Store Development ✔ Shopware Customization ✔ Shopware Plugin Development ✔ Shopware Migration & Integration 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✔ Full Stack Web Developer ✔ Web Application Developer ✔ Custom Software Development ✔ Business Management Systems ✔ Enterprise Application Development 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✔ Backend Developer ✔ Backend Architecture Design ✔ Database Design & Optimization ✔ Server-Side Development ✔ Scalable Application Development 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 ✔ REST API Development ✔ API Integration ✔ Third-Party API Integration ✔ Payment Gateway Integration ✔ Stripe Integration ✔ PayPal Integration ✔ Razorpay Integration ✔ CRM Integration ✔ ERP Integration ✔ Social Media API Integration 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✔ React.js Development ✔ Vue.js Development ✔ JavaScript Development ✔ jQuery Development ✔ AJAX Development ✔ HTML5 Development ✔ CSS3 Development ✔ Responsive Website Development ✔ Cross-Browser Compatible Applications 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 ✔ MySQL ✔ PostgreSQL ✔ MongoDB ✔ Microsoft SQL Server 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 & 𝐓𝐨𝐨𝐥𝐬 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 PHP, Laravel, CodeIgniter, Node.js, Shopware Frontend React.js, Vue.js, JavaScript, jQuery, AJAX, HTML5, CSS3 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 MySQL, PostgreSQL, MongoDB, MS SQL Server 𝐓𝐨𝐨𝐥𝐬 Git, GitHub, GitLab, Bitbucket, Postman 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐒𝐞𝐫𝐯𝐞𝐝 ✔ eCommerce & Retail ✔ Healthcare & Medical ✔ Finance & FinTech ✔ Real Estate ✔ Education & eLearning ✔ Travel & Tourism ✔ Logistics & Transportation ✔ Food & Restaurant ✔ Automotive ✔ SaaS Products ✔ Marketplace Platforms ✔ Booking Platforms ✔ Business Management Systems ✔ Startup Products ✔ Enterprise Solutions 𝐖𝐡𝐲 𝐇𝐢𝐫𝐞 𝐌𝐞? ✔ 8+ Years of Professional Experience ✔ Senior PHP Developer ✔ Senior Laravel Developer ✔ Full Stack Web Developer ✔ Backend Development Specialist ✔ Clean & Maintainable Code ✔ Scalable Software Architecture ✔ API Development Expert ✔ Strong Problem-Solving Skills ✔ Fast Communication ✔ On-Time Delivery ✔ Long-Term Client Support ✔ 100% Quality-Focused Development I am committed to delivering high-quality web applications, scalable backend solutions, custom software systems, and business-driven development services that help companies grow efficiently. If you're looking for a PHP Developer, Laravel Developer, Shopware Developer, Full Stack Developer, Backend Developer, or Web Application Developer who can build reliable and scalable solutions, let's discuss your project. PHP Developer | Laravel Developer | Senior PHP Developer | Senior Laravel Developer | Full Stack Developer | Backend Developer | Web Application Developer | Laravel Expert | PHP Expert | API Developer | REST API Developer | API Integration Specialist | SaaS Developer | CRM Developer | ERP Developer | Ecommerce Developer | Shopware Developer | CodeIgniter Developer | Node.js Developer | React.js Developer | Vue.js Developer | JavaScript Developer | MySQL Developer | PostgreSQL Developer | MongoDB Developer | Database Developer | Full Stack Web Developer | Custom Web Application Developer | Enterprise Application Developer | Payment Gateway Integration Specialist | Stripe Integration Developer | PayPal Integration Developer | Razorpay Integration Developer | Custom Software Developer | SaaS Application Developer | Marketplace Developer | Booking System Developer | CRM Software Developer | ERP Software Developer | Backend Architecture Developer

⭐ 𝐄𝐯𝐞𝐫𝐲 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐢𝐬 𝐮𝐧𝐢𝐪𝐮𝐞! 𝐋𝐞𝐭'𝐬 𝐝𝐢𝐬𝐜𝐮𝐬𝐬 𝐲𝐨𝐮𝐫 𝐫𝐞𝐪𝐮𝐢𝐫𝐞𝐦𝐞𝐧𝐭𝐬 𝐢𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 𝐂𝐡𝐚𝐭 𝐟𝐢𝐫𝐬𝐭, 𝐬𝐨 𝐈 𝐜𝐚𝐧 𝐩𝐫𝐨𝐯𝐢𝐝𝐞 𝐚 𝐜𝐥𝐞𝐚𝐫 𝐭𝐢𝐦𝐞𝐥𝐢𝐧𝐞 𝐚𝐧𝐝 𝐚 𝐟𝐢𝐱𝐞𝐝 𝐩𝐫𝐢𝐜𝐞 𝐨𝐫 𝐞𝐬𝐭𝐢𝐦𝐚𝐭𝐞𝐝 𝐡𝐨𝐮𝐫𝐬.⭐ Hello! I am Deepak Kumar, a seasoned Full Stack Web Developer with a strong focus on eCommerce and CRM API integrations. With extensive experience in developing payment and membership solutions, I am dedicated to transforming your business ideas into seamless digital experiences. My expertise includes: ✅ 𝒆𝑪𝒐𝒎𝒎𝒆𝒓𝒄𝒆 𝑺𝒐𝒍𝒖𝒕𝒊𝒐𝒏𝒔: Crafting eCommerce platforms with advanced features like checkout customization, cart page optimization and product & inventory synchronization. ✅ 𝑷𝒂𝒚𝒎𝒆𝒏𝒕 𝑰𝒏𝒕𝒆𝒈𝒓𝒂𝒕𝒊𝒐𝒏: Implementing secure and efficient payment systems using APIs such as Stripe, Square and PayPal ensuring smooth transactions and recurring payment setups. ✅ 𝑪𝑹𝑴 & 𝑴𝒆𝒎𝒃𝒆𝒓𝒔𝒉𝒊𝒑 𝑰𝒏𝒕𝒆𝒈𝒓𝒂𝒕𝒊𝒐𝒏: Enhancing customer relationship management through seamless integration with platforms like Hubspot, Zoho and more, while developing robust membership and subscription models. ✅ 𝑨𝒖𝒕𝒐𝒎𝒂𝒕𝒊𝒐𝒏 & 𝑺𝒚𝒏𝒄𝒉𝒓𝒐𝒏𝒊𝒛𝒂𝒕𝒊𝒐𝒏: Utilizing tools like Zapier, Make and Pabbly for automating workflows and synchronizing data across various platforms. ✅ 𝑻𝒆𝒄𝒉𝒏𝒊𝒄𝒂𝒍 𝑷𝒓𝒐𝒇𝒊𝒄𝒊𝒆𝒏𝒄𝒚: Skilled in PHP, HTML, CSS, JavaScript, Laravel and more, with a strong understanding of SEO principles to boost your online presence. I am committed to delivering high-quality solutions that meet your business needs. Let's collaborate to bring your vision to life! Feel free to reach out for a consultation or to discuss your project requirements.

Hi, I'm Abhiraj Anand, a Full Stack Developer with 5+ years of experience specializing in Travel Technology Development, Travel Portal Solutions (B2B & B2C), Rental Platforms, and complex API Integrations including Amadeus, Sabre, Travelport, Ratehawk, TBO, Tripjack, Mondee, Mystifly, Hotelbeds, Webbeds, Channel Manager, Payment Gateways, etc. I help travel agencies, OTAs, tour operators, DMCs, and rental businesses build modern booking platforms, automate operations, and scale through reliable travel technology solutions. --- ## Services I Offer * Travel Portal Development (B2C, B2B, White Label Solutions) * Flight, Hotel, Car Rental, Package & Activity Booking Systems * Travel API Integration (Amadeus, Sabre, Travelport, TBO, Tripjack, Hotelbeds, Webbeds, Channel Manager Integration, PMS integration, Payment Gateways) * Custom Web Development (Laravel, ReactJS, NodeJS, Next.js) * WordPress Development & Theme Customization * Shopify Store Development & Private App Integration * Performance Optimization, Scalability & Mobile Responsiveness ## Core expertise: * TravelPortal development – B2B, B2C, B2E, Corporate Travel Booking Tools & Agent Management Systems * GDS integration – Travelport, Amadeus, Sabre * NDC & LCC Integrations – Verteil, Tripjack, TBO, EaseMyTrip (EMT) and airline direct APIs * Hotel Booking Integrations – RateHawk, Expedia, TBO Holidays, Hotelbeds, Guesty, Webbeds and Private Inventory Systems (PMS) * Hotel mapping – Manual & Giata * Flight Expert integration & automation * Cruise, car rental, DMC software, package management tools * Travel CRM, ADM management, HX segment tools * Multi-API integrations – Flight, Hotel, Car, Cruise, Rail, Bus, Sightseeing, Activities * Payment gateways - Stripe, Razorpay, PayPal, Cashfree, Worldpay, Paytm, Worldline, PayU, ConnectIPS, CCAvenue, etc. --- ## Featured Projects * ClickYourJourney – Complete Travel Portal (B2C + B2B) Modules for flights, hotels, packages, activities, supplier management, lead management, invoicing, payment gateways, and multiple travel APIs. Tech Stack: PHP (CodeIgniter), ReactJS, MySQL * StudyDrive – Ride Share Platform Ride booking module with driver and guest management and marup module & Stripe payment gateway. Tech Stack: Node Js, Next Js, MySQL, Stripe * TeenvaTravels – Travel & Rental Website Next.js frontend, NodeJS backend, integrated Amadeus API for flight bookings, car rental, room/property rental. Tech Stack: Next.js, NodeJS, MongoDB --- ## Skills * Travel APIs & Technology: Amadeus, Sabre, Travelport, TBO, Tripjack, , Mondee, Mystifly, Ratehawk, Hotelbeds, Webbeds, Channel Manager, Payment Gateways * Languages & Frameworks: PHP (Laravel, CodeIgniter), JavaScript (ReactJS, NodeJS, Next.js), Python, Java, C++ * Frontend Development: ReactJS, AngularJS, Tailwind CSS, Bootstrap, jQuery, HTML5, CSS3 * Databases: MySQL, MongoDB * Tools & Platforms: AWS, Docker, GitHub, Bitbucket, GitLab, Figma, Photoshop * Other Expertise: API Integration, Optimization, Agile Development, Scalable Architecture ## Why Clients Choose Me * Expertise in travel technology & API-driven platforms * Clean, scalable, and maintainable code * On-time delivery with full transparency * Proven record of boosting booking efficiency & conversions * Ongoing post-launch support & maintenance ## Travel Technology Development * Flight Booking Portal Development * Hotel Booking Portal Development * Travel Portal Development * OTA Development * B2B Travel Portal Development * B2C Travel Portal Development * Corporate Travel Booking Systems * Travel CRM Development * Reservation Management Systems * Travel Booking Engine Development ## API Integrations * Amadeus API Integration * Sabre API Integration * Travelport API Integration * Flight API Integration * Hotel API Integration * NDC API Integration * GDS Integration * Supplier API Integration * Channel Manager Integration * Payment Gateway Integration * PMS Integration ## Travel Technology Expertise * Amadeus Developer * Sabre Developer * Travelport Developer * Ratehawk Developer * TBO Developer * Tripjack Developer * Webbeds Developer * Hotelbeds Developer * Channel Manager Developer * PMS Developer --- Travel Technology Expertise & Keywords Car Rental Portal • White Label Travel Portal • Travel API Integration • Amadeus Integration • Sabre Integration • Travelport Integration • Amadeus Development • Sabre Development • Travelport Development • Hotelbeds Integration • RateHawk Integration • TBO Integration • Tripjack Integration • Webbeds Integration • Stripe Integration • Razorpay Integration • PayPal Integration

I’m Sachin Raut, a Full Stack Developer & SEO Specialist with 8+ years of experience building high-performing websites and driving online growth. I specialize in PHP, WordPress, Laravel, Angular, and SEO, delivering secure, scalable, and conversion-focused solutions. From custom development to complex integrations and optimization, I focus on real business results. I work with a dedicated team of developers and marketing experts, ensuring smooth execution and long-term success. What you can expect: • High-quality design sense • 100% job completion commitment • Bug-free, responsive & SEO-friendly websites • Clear communication & quick response • Focus on long-term business relationships Goal: Deliver reliable, high-quality work that meets your business needs on time.