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- Project Overview We are looking for an experienced Full-Stack Developer to extend and improve an existing AI-powered web application (AIPQP Portal), currently deployed on Microsoft Azure. The system includes: Frontend: React (built with Vite) Backend: ASP.NET Core using C# Integration with external AI services - Responsibilities Enhance and extend the existing React frontend Develop new features and endpoints in ASP.NET Core backend Integrate and optimize AI-driven functionalities Work with REST APIs and improve system performance Debug, refactor, and improve overall code quality Collaborate on feature planning and technical decisions - Requirements Strong experience with: C# / ASP.NET Core JavaScript / React Solid understanding of full-stack web development Experience building and consuming REST APIs Ability to work independently and deliver clean, maintainable code - Nice to Have Experience with Microsoft Azure Familiarity with AI APIs / LLM integrations Experience with document generation (e.g. Word/OpenXML) Knowledge of TypeScript Basic DevOps / deployment experience - Engagement Details Freelance / contract-based Flexible workload (part-time or full-time) Start: ASAP Potential for long-term collaboration
Project ID: 40415855
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173 freelancers are bidding on average €2,252 EUR for this job

Hello, I understand you need a seasoned Full-Stack Developer to extend and optimize an AI-powered ASP.NET Core backend and a React frontend on Azure. I will strengthen the React UI, add robust ASP.NET Core endpoints, and optimize AI integrations for reliability and speed. I will focus on clean, maintainable code, thorough testing, and clear API contracts. I’ll align with your Azure deployment, ensure smooth REST interactions, and improve performance through profiling, caching, and efficient data flows. I’ll propose concrete milestones, transparent progress updates, and regular code reviews to keep the project agile and scalable. What is the top priority feature or improvement you want delivered in the next sprint, and are there any hard performance targets or SLAs that must be met for AI integrations? Best regards,
€3,000 EUR in 18 days
9.2
9.2

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for an experienced Full-Stack Developer to enhance and extend your AI-powered web application deployed on Microsoft Azure. My background in delivering high-performance solutions for over 1 million users and expertise in AI/ML development directly aligns with the challenges of extending your AIPQP Portal. For strategic insight, ensuring scalability and security is key in enhancing your web application. Leveraging my past success in scaling Telegram Mini Apps to serve over 1 million users, I am well-equipped to handle the complexity of your project. I invite you to reach out to discuss how I can bring my expertise to enhance your AI-driven web application. Let's connect to strategize the roadmap for your project's success.
€2,400 EUR in 30 days
8.9
8.9

Hi, I'm Ram Shiromani, a seasoned Full-Stack Developer with significant expertise in ASP.NET Core using C#, and JavaScript with React. For over a decade, I have been helping businesses scale by building high-conversion websites, APIs, and complex web applications. My competence with your specified tech-stack is what uniquely qualifies me for this project. I've got a strong flair for enhancing frontends and developing new features for backends just as you've described. In addition to that, I'm well-versed in REST API consumption and integration, which I believe is vital for optimizing AI-driven functionalities and overall system performance. Further reassuringly, my experience aligns well with your Nice-to-Have skills too. My knowledge of Microsoft Azure extends to deploying and managing applications on the platform. Having worked extensively with AI APIs/LLM integrations, I will ensure your existing AI-powered web application is taken to greater heights. My grasp of TypeScript and basic DevOps/deployment skills are further indicators of my ability to enhance your project's adaptability whilst maintaining its integrity. I assure you my dedication to provide scalable and maintainable solutions that will propel your AI-Web Application ahead in the market. Engage me today for an incredible project experience to drive tangible business results!
€2,250 EUR in 90 days
8.8
8.8

With extensive experience in full-stack web development using C# and React, I understand the need to enhance and extend the existing AI-powered web application deployed on Microsoft Azure. Could you share more details about the specific AI services that the system currently integrates with? Regards, Yogesh Kumar
€2,400 EUR in 10 days
8.4
8.4

With over a decade of experience leading App Mechanic, I have honed my skills to cater to varied client needs. My team's expertise stands out in fields like Web, Mobile, Game, AR/VR, and AI-first development. We have delivered scalable, high-performance, and futurist solutions in sectors that include Manufacturing, Education, E-commerce, FMCG, Healthcare, Real Estate, Travel and more. Our familiarity with tools like ReactJS, VueJS, Angular and back-end frameworks such as NodeJS, Python, PHP (Laravel), .NET (ASP.NET/C#) makes me confident that we're the right fit for your Full-Stack Development need. We're capable of Handling RESTful, GraphQL APIs and Libraries and Database Systems including MySQL, MSSQL, MongoDB to name a few. Plus our experience with DevOps including deployment & Version Control tools like Git assures impeccable code management & continuous delivery. Importantly we’re domain specialists too! Having Engineered Web Applications deployed on Microsoft Azure & integrated solutions with AI APIs before. We understand your requirement at a granular level and can provide valuable insights to optimize your application’s performance. Lastly our staffing flexibility vows you’re always at ease being able to scale up or down engagement details keeping short-term needs or potentially long-term collaborations in perspective. Let’s embark on this journey together!
€3,000 EUR in 20 days
8.4
8.4

Hi — I’m a Full-Stack developer with strong React (Vite) + ASP.NET Core (C#) experience, and have worked with AI integrations and Azure-based apps. I can extend your AIPQP Portal with clean APIs, optimized performance, and maintainable code — ready to contribute immediately. Available ASAP for long-term collaboration.
€2,250 EUR in 7 days
8.4
8.4

As a leader in web services, our team at Your Software brings together the right combination of expertise and experience to make your AI-web application shine. I, Yasir, have extensive skills in C# Programming, JavaScript, and Website Design—strongly aligned with your project goals. Over the years, we've honed our craft of full-stack development alongside building and consuming REST APIs, which are crucial proficiencies you seek for this project. We're certainly no strangers to Microsoft Azure, having worked on multiple projects leveraging its capabilities. Moreover, our technical knowledge of AI APIs and LLM integrations can further ensure smoother execution as we take on the task of enhancing and extending the existing React frontend while simultaneously developing new features and endpoints with ASP.NET Core in the backend. We pride ourselves on delivering clean, maintainable code - something that aligns exactly with what you require. So let's join forces to not only benefit your immediate AI-web application enhancement but also lay a solid foundation for potential long-term collaboration. Together, we can transform your vision into a reality and take your business to new heights!
€2,500 EUR in 45 days
8.4
8.4

I am a seasoned Full-Stack Developer with significant experience in developing and enhancing AI-powered web applications, making me well-suited for your project on the AIPQP Portal. I have a strong command of C# and ASP.NET Core, coupled with comprehensive knowledge of frontend technologies, notably React, ensuring I can efficiently extend your current system's functionality. My expertise extends to working with REST APIs and optimizing their integration with external AI services, which aligns with your project’s requirements. Previously, I've successfully deployed and managed applications on Microsoft Azure, providing a solid foundation for collaborating on your platform. My experience also includes working with AI APIs and LLM integrations, which will be beneficial in enhancing the AI functionalities of your application. I am keen to further discuss how I can contribute to the success of your AIPQP Portal enhancements. Could you share more about any specific AI services you currently integrate? I am ready to begin at your earliest convenience and committed to delivering clean, maintainable code.
€2,800 EUR in 20 days
8.2
8.2

Hi, This is Elias from Miami. I have gone through your project description and understand you’re looking to enhance an AI-driven web application. The goal is to extend its functionality and improve user experience, likely involving both front-end and back-end enhancements. With over 10 years of experience in full-stack development and a strong background in AI integration, I have successfully delivered similar projects that required a blend of .NET and JavaScript technologies. I’m confident in my ability to bring valuable improvements to your application. My approach would involve analyzing the current architecture, identifying areas for enhancement, and implementing improvements in both the front-end and back-end. I would also ensure that any new features align with user needs and performance expectations. I have a few questions to get a better understanding: Q1 – What specific features are you looking to add or improve in the application? Q2 – Are there any existing systems or APIs that we need to integrate with? Q3 – What is your target user base, and are there specific performance metrics you're aiming to achieve? Looking forward to hearing from you.
€2,500 EUR in 10 days
8.0
8.0

Hi, This looks very aligned with the kind of systems I work on. I have strong experience with ASP.NET Core + React and have worked extensively on existing production systems, extending features and improving performance. I can quickly understand your current codebase and help with: Backend (APIs, performance, structure) Frontend improvements in React Stabilizing and optimizing AI integrations I focus on clean, production-ready code and minimal back-and-forth. Happy to take a quick look at your system and suggest next steps. Thanks
€3,000 EUR in 30 days
7.9
7.9

⭐⭐⭐⭐⭐ Enhance Your AI-Powered Web App with a Full-Stack Developer ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for a Full-Stack Developer to improve your AI-powered web application. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects for web applications. I will enhance your React frontend and ASP.NET Core backend while integrating AI functionalities effectively. ➡️ Why Me? I can easily improve your web application as I have 5 years of experience in full-stack development. My skills include C#, ASP.NET Core, JavaScript, and React. I also have a strong grip on REST API development and optimization, ensuring a smooth performance for your project. ➡️ Let's have a quick chat to discuss your project in detail. I'll also show you samples of my previous work. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ C# ✅ ASP.NET Core ✅ JavaScript ✅ React ✅ REST API Development ✅ AI Integration ✅ Microsoft Azure ✅ Code Optimization ✅ Debugging ✅ Document Generation ✅ TypeScript ✅ DevOps Waiting for your response! Best Regards, Zohaib
€1,800 EUR in 2 days
7.7
7.7

Hi there, I’m Shamshad, and I’m ready to elevate your AI Web Portal on Azure. I will extend the React frontend (Vite) for smoother UX and add robust ASP.NET Core endpoints to support new AI features and faster REST APIs. I’ll optimize AI-driven functions, improve data flow between frontend and backend, and ensure clean, maintainable code with thorough testing. My approach: audit current code, implement scalable components, integrate AI services and document generation where needed, and tighten performance and security with targeted refactors. I’ll collaborate on feature planning, provide clear progress updates, and deliver deliverables on a practical timeline. What I’ll deliver: - Updated React UI with modular components and TypeScript support where helpful - New/modified ASP.NET Core controllers and services, with clean interfaces - Efficient REST API endpoints and improved error handling - Stable integration with external AI APIs, OpenXML docs if required, and Azure deployment readiness - Tests, basic CI hints, and documentation for ongoing maintenance What is the top priority feature to deliver in the first milestone, and are there any non-negotiable compliance or security constraints I should align with? Thanks for your time and I look forward to helping this project grow.
€3,000 EUR in 28 days
7.3
7.3

Hi, I can help extend and stabilize your AIPQP Portal with a strong full-stack approach across React (Vite) and ASP.NET Core. I’ve worked on AI-powered systems involving LLM integrations, RAG pipelines, and production-grade APIs, so optimizing your AI features and backend performance will be straightforward. On the frontend, I’ll enhance components, improve state handling, and ensure a smooth UX. On the backend, I’ll build scalable endpoints, refactor existing logic, and optimize API performance and reliability. I’m also comfortable working within Azure environments and improving deployment workflows. Relevant projects: https://www.freelancer.com/projects/cloud-networking/Azure-Migration-for-Secure-Web/reviews https://www.freelancer.com/projects/azure/Azure-API-Builder-net-Developer/reviews https://www.freelancer.com/projects/gpt-agent/Data-Analyst-Required/reviews https://www.freelancer.com/projects/php/Sharepoint-RAG-SQL-GPT-agent/reviews https://www.freelancer.com/projects/python/Python-Data-Analysis-Script-39438040/reviews I’m available to start immediately and can contribute long-term. Let’s discuss your roadmap. Thanks.
€2,250 EUR in 30 days
7.5
7.5

SCALING THE AIPQP PORTAL: ROBUST .NET BACKEND & REACT FRONTEND ENHANCEMENT Hello, The integration of AI into an ASP.NET Core and React architecture requires a deep understanding of asynchronous processing and state management to maintain high performance. At Plan D Studios, we bring 12+ years of experience in Full Stack Development and Custom Software, specializing in the C#, ASP.NET, and React ecosystem you are currently utilizing. Our Approach for Your Portal: Backend: Developing scalable REST API endpoints in C# and implementing OpenXML for seamless Word document generation. Frontend: Extending your Vite based React application with a focus on clean components and optimized performance. AI Integration: Refining how your portal consumes LLM APIs to reduce latency and improve user experience. Environment: Native experience with Azure deployments and CI/CD workflows for long term stability. We do not outsource; our in house team ensures your code remains maintainable and ready for future growth. Are you looking to implement a specific document template structure using OpenXML, or do you need the system to dynamically generate layouts based on AI output? Regards, Haider
€2,500 EUR in 10 days
7.2
7.2

As a seasoned Full-Stack Developer with over twelve years of experience, I've had the privilege of delivering comprehensive solutions that encompass web and mobile applications, backend systems, APIs, and even content management systems. My skillset meshes well with your project's needs, including a deep understanding of C#, ASP.NET Core, JavaScript, and React - all core components of your existing AI-powered application and the technologies you require for enhancements. My proficiency in REST API development and integration will help streamline and optimize your AI-driven functionalities while improving system performance. On top of this crucial experience, my familiarity with Microsoft Azure adds extra value to a project based on it. Moreover, my knowledge span extends to TypeScript which is considered a plus for your requirements. To further emphasize my compatibility with your needs, I am comfortable working independently, yet have the adaptability to function effectively within collaborative teams. From small optimizations to comprehensive feature planning and quality code refactoring - my work is centered around rendering clean, maintainable code that propels businesses forward. Engaging my services would not only guarantee timely delivery but also a commitment to ongoing excellence that creates room for future collaboration. Join me on this venture as we redefine your AI-Web application together!
€1,500 EUR in 15 days
7.2
7.2

Dear [Client's Name], I am an expert in Shopify, WordPress, and Web Development Technologies, excited to enhance your AI-powered web application. With strong experience in C#, ASP.NET Core, and React, I will deliver maintainable code and optimize features seamlessly. I am ready to start RIGHT AWAY! Regards, Pooja
€2,250 EUR in 3 days
6.8
6.8

We’re extending an existing Azure-hosted AI portal, so the real challenge here is not building from scratch but safely evolving a live React (Vite) + ASP.NET Core system without breaking existing AI flows or API contracts. The focus is smooth feature expansion and improving reliability of current AI-driven workflows. On the backend, I’ll add new ASP.NET Core endpoints with clean separation of concerns, ensuring all AI service calls are resilient (timeouts, retries, structured error handling). On the frontend, I’ll extend the React UI in a modular way so new features integrate without affecting existing screens. REST APIs will be aligned tightly between layers to avoid drift. I’ll also optimize slow AI interactions by reducing unnecessary roundtrips and improving response handling UX. I’ve previously worked on a similar stack (React + ASP.NET Core on Azure) where I improved API latency and stabilized third-party integrations under production load. One improvement I’ll introduce early is better request tracing across frontend/backend for faster debugging in AI flows. Q1: Which AI services are currently integrated and how are responses structured today? Q2: Are there any known performance bottlenecks or failing endpoints right now? Q3: Is there an existing API contract documentation or should I infer from codebase?
€2,500 EUR in 15 days
7.0
7.0

Hello, I’ve reviewed your project and can help extend and improve your AI-powered web application by enhancing both the React frontend and ASP.NET Core backend. I have experience working with full-stack applications using C#, ASP.NET Core, and React, including API integrations, performance optimization, and working with AI-based services. Approach: • Enhance and refine the existing React (Vite) frontend for better usability and performance • Develop new features and API endpoints in ASP.NET Core • Integrate and optimize AI functionalities for better response and efficiency • Improve REST API structure and overall system performance • Debug, refactor, and clean up existing code for maintainability • Collaborate on feature planning and scalable architecture decisions Experience highlights: • Strong background in .NET Core and React-based applications • Experience with REST APIs and third-party integrations • Familiar with Azure deployments and cloud-based systems • Worked on data-driven and AI-integrated applications Deliverables: • New features and improvements across frontend and backend • Clean, maintainable, and well-structured code • Performance and stability improvements • Ongoing support and collaboration Availability: Flexible (part-time or full-time), ready to start immediately. I focus on building scalable, clean, and production-ready systems that can evolve with your product. Regards, Muhammad Shoaib
€1,800 EUR in 7 days
6.6
6.6

I’m an experienced Full-Stack Developer with strong expertise in React, ASP.NET Core (C#), and modern cloud-based applications, and I’d be happy to help extend and improve your AI-powered AIPQP Portal. I have hands-on experience working with React applications built using Vite, improving UI performance, refactoring components, and implementing scalable frontend architectures. On the backend side, I develop clean and maintainable APIs using ASP.NET Core, focusing on performance, security, and structured code design. For your platform, I can: • Enhance and extend existing React features with clean reusable components • Develop new ASP.NET Core endpoints and optimize API performance • Integrate and refine AI/LLM service workflows • Debug complex issues across frontend and backend layers • Improve code quality through refactoring and best practices • Optimize REST API communication and application responsiveness I’m comfortable working independently while collaborating closely on technical decisions and feature planning. I also have experience working with Azure environments, deployments, and production systems requiring stability and scalability. My workflow focuses on clean architecture, readable code, and reliable delivery aligned with long-term product growth. Available to start immediately and open to both part-time or full-time engagement. Looking forward to contributing to the continued evolution of your AIPQP Portal.
€2,250 EUR in 7 days
5.8
5.8

Hello, I am an expert with 15+ years of experience in the technical world, delivering simple to complex websites, e-commerce platforms, membership systems, and custom portals. I always provide clear communication, continued support after delivery, and 100% client satisfaction. I specialize in PHP development, building secure, scalable, and high-performing web applications with custom scripts, API integration, and database management (MySQL, MariaDB, etc.). From dynamic websites to enterprise-level solutions, I focus on delivering clean code and business-driven results.
€1,500 EUR in 7 days
6.1
6.1

Bremen, Germany
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