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We are looking for a skilled backend app developer to create a simple yet highly functional application. The app should allow users to take a photo, which will then be forwarded to an integrated machine learning (ML) model. The ML model will process the image and return an output in the form of numbers, which should be displayed to the user. The app must accommodate double-digit active users simultaneously without any lag. Key Requirements: - Seamless integration of our pre-built ML model. - Smooth and lag-free performance for multiple active users. - A clean and user-friendly interface for photo capture and result display. Ideal Skills and Experience: - Strong experience in backend app development. - Expertise in integrating machine learning models into applications. - Proven ability to optimize apps for high performance under concurrent usage. Budget: ₹830–₹8000
Project ID: 40655331
44 proposals
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Active 3 days ago
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44 freelancers are bidding on average ₹5,816 INR for this job

With my extensive experience in backend app development and a deep understanding of user integration with machine learning models, I am confident that I am the ideal fit for your project. Over my 8+ years in the field, I have successfully integrated numerous complex ML models into applications and optimized them for high performance under concurrent usage. I understand the importance of a smooth and lag-free user experience, especially when scaling the app to accommodate double-digit active users simultaneously. Having delivered over 200 projects, maintaining a 95% on-time record, and a 98% on-budget delivery, you can rest assured that your project will be delivered not just on time but also with the highest level of quality. The clean and scalable code architecture is my area of expertise which ensures future-ready digital solutions. I pride myself on my fast communication and near-zero delays offering to remain fully available throughout the project. My business-first approach means I cultivate lasting relationships with clients who aim for growth through their projects. Thus, beyond delivering results, I offer long-term support post handover; ready to mitigate any challenges or seizing opportunities together as they arise. Let us begin the journey towards turning your idea into a powerful digital product!
₹17,500 INR in 7 days
6.4
6.4

Hello, I will build the app so users can capture a photo, send it to your pre-built ML model, and see the returned numbers on a simple result screen. I will host it on a scalable backend that handles concurrent users without lag. I can start today. For the ML call, I will use a queued async endpoint so multiple photos process in parallel without blocking. Questions: 1) Should the app be Android, iOS, or web? 2) How is your ML model delivered, API, Python script, or model file? Looking forward to discussing further. Regards, Shayan.
₹5,350 INR in 3 days
5.7
5.7

Hi there, I understand you need a backend app that integrates a pre-built ML model to process images and display results to users without lag, accommodating multiple active users. - I'll design a scalable backend using PHP and Laravel to handle concurrent requests. - Implement a seamless ML model integration using APIs. - Optimize the app for high performance using Docker and AWS. Skills: PHP, Laravel, Docker, AWS, API Integration Looking forward to discussing this project further.
₹1,500 INR in 1 day
5.8
5.8

With proficiency and expertise in API development, integrations, and backend app development, my firm belief is that I'm the ideal candidate for your project. I understand the importance of seamless integration and smooth performance of machine learning models into digital applications. Not only do I possess strong programming skills in Python and JavaScript which are essential for ML model integration, but my experience with relational databases like MySQL will also aid me in storing and retrieving the ML model's output precisely & swiftly. To ensure lag-free functioning even with double-digit active users, I capitalize on the power of cloud computing. My competency in using cloud services will allow your app to handle heavy concurrent usage effortlessly, providing an uninterrupted experience for your end-users. Moreover, my command over prominent tech stacks like React.js and Node.js equips me with all the tools necessary to create a user-friendly interface for photo capture and result display. With a keen eye for UI/UX design, rest assured your app will be both elegant and intuitive. Given my profound dedication towards long-term client relationships, I don't just aim to deliver a product but strive to produce a top-quality solution that aligns perfectly with your business goals. Join hands with me to transform your vision into reality while ensuring efficiency & scalability at every step of the journey!
₹1,500 INR in 5 days
5.2
5.2

I will build a high-performance Python FastAPI backend that accepts photo uploads, processes them through your pre-built ML model via asynchronous worker pools, and displays the numeric results instantly on a lightweight capture UI. The architecture will feature client-side image compression and Gunicorn process management to handle double-digit concurrent users without lag. Regards, Bilal
₹7,000 INR in 2 days
5.0
5.0

The core challenge is not simply accepting a photo and displaying a number; it is creating a reliable request path from mobile capture through image validation, ML processing, and result delivery while keeping the app responsive when multiple users submit images at once. The integration boundary must also isolate ML failures, slow processing, and invalid uploads from the user-facing experience. I would implement a clean REST flow between the Kotlin app and a focused PHP backend. The mobile side would handle camera permissions, capture, upload progress, and clear loading, success, empty, and error states. On the backend, uploads would be validated for type and size, assigned a request identifier, and passed to the pre-built model through a controlled integration layer rather than coupling model-specific logic to the API endpoints. The numeric response would be normalized into a predictable format for display and future changes. For concurrent usage, I would avoid tying up request handling while the model is processing where the model interface allows it. A bounded worker or asynchronous processing approach can prevent one slow inference from affecting other users, while connection, upload, and execution limits help keep resource usage predictable. I would also add structured logging around upload, inference, response time, and failures so bottlenecks can be identified instead of guessed. The implementation would prioritize secure temporary file handling, consistent API errors, input validation, and a simple interface that works smoothly on the supported mobile devices. I would keep the code organized into maintainable backend, integration, and mobile layers, with clean Git commits and setup documentation for deployment and testing. What interface does the pre-built ML model provide—an HTTP endpoint, local runtime, command-line process, or another integration method?
₹4,450 INR in 7 days
5.0
5.0

As an App Developer with extensive experience and a dedication to client satisfaction, I'm confident that I can bring tremendous value to your backend app development project. With over 14 years of Full-Stack Web and Mobile App Development expertise, including proficiency in MERN/MEAN stacks, Python, and machine learning integration, I have the right skill set for the job. Having successfully delivered more than 416 projects across diverse industries, including logistics and education, I have a proven ability to optimize apps for high performance under concurrent usage. Lastly, as a developer with a deep commitment to building innovative and robust tech solutions, I'm determined to help your app not merely meet but exceed expectations. I’m excited about the possibilities this project holds in terms of showcasing my abilities to deliver optimized performance in relation to both the ML model integration and concurrent usage. Let's work together to create an application that will scale seamlessly and efficiently
₹12,500 INR in 7 days
5.1
5.1

In the vast world of backend app development, my name is ????? ????? ?????. With an impressive 6+ years in the industry and skills spanning from API development to mobile app coding, I'm confident that together, we can make your vision for this project come to life. I understand that seamless integration of your pre-built ML model is crucial to your app's success. And with my strong experience in integrating machine learning models into applications, such as my autonomous agents with memory and decision-making, you can trust that I'll integrate the ML model you already have with expertise and precision. But let's not just get it running; let's get it running spectacularly well. And that's where my proficiency in optimizing apps for high performance under concurrent usage comes in handy. As you expect double-digit active users at any given time without lag, I can design a robust and scalable architecture using Node.js, FastAPI or anything else needed to ensure that your app runs flawlessly no matter the traffic volume. Let's build a clean and user-friendly interface for photo capture and result display that will captivate your users long after their first use. Let's develop the perfect backend application with an integrated ML interface. Can't wait to get started! Picking me for this project not only promises excellent execution but also the added value of experience-backed creative input at every turn.
₹1,500 INR in 1 day
4.9
4.9

As an accomplished backend app developer with extensive experience, including a PhD in Artificial Intelligence, I am confident that I possess the skills and knowledge necessary to excel on your project. My impressive career spans over two decades, during which I have worked on AI-powered solutions similar to your requirement. This includes designing a system behind smoothly running AI-based voice and chat agents for lead qualification and providing customer support in addition to making appointment bookings. My proficiency isn't limited to AI systems alone; throughout my career, I have meticulously focused on high-performance application development under concurrent usage. Having experienced the standards of working for multinational software companies as well as leading my own tech startup, your project's seamless integration of pre-built ML model, smooth performance for multiple users, and user-friendly display will be built into the design by default.
₹1,500 INR in 7 days
4.6
4.6

Hi, I'd be glad to help create a simple yet highly functional backend application with a machine learning interface, allowing users to take a photo and display the output from the integrated ML model. To develop this application, I will utilize my expertise in backend app development, focusing on seamless integration of the pre-built ML model, optimizing for smooth and lag-free performance under concurrent usage, and designing a clean and user-friendly interface for photo capture and result display. I will leverage my experience with PHP and API development to ensure a robust and scalable architecture. My approach will involve breaking down the project into key components, including ML model integration, image processing, and user interface development, to ensure a well-structured and maintainable codebase. I can cover: • Integration of the pre-built ML model into the application • Development of a clean and user-friendly interface for photo capture and result display • Optimization for high performance under concurrent usage • API development for seamless communication between the application and the ML model • Testing and debugging to ensure a robust and reliable application I work with clear daily progress updates and honest scoping. Please share your pre-built ML model and any specific preferences, and I can get started right away. Best regards, Gagan
₹5,000 INR in 5 days
4.2
4.2

I can build this application with a lightweight and scalable architecture focused on fast image processing and reliable ML integration. Based on your description, the main flow would be: image capture → upload to backend API → ML model processing → structured numeric response returned to the UI in real time. For the backend, I would implement an API optimized for concurrent requests, including efficient image handling, request validation, asynchronous processing where appropriate, and response caching if the ML workflow benefits from it. The system can be deployed in a cloud environment with room to scale beyond the initial double-digit active user requirement without performance degradation. I can also handle the integration layer with your existing ML model, whether it is exposed through Python, REST, gRPC, or containerized execution. The goal is to keep the communication stable, low-latency, and easy to maintain. On the frontend side, the interface will remain simple and responsive: camera/photo upload, processing state feedback, and clean numeric result visualization. Before starting, I would confirm: - ML model interface format and hosting method - Expected image size and processing time - Preferred deployment environment - Authentication requirements, if any I can deliver an MVP quickly while keeping the codebase structured for future expansion.
₹12,500 INR in 7 days
3.8
3.8

Hi, I can build the backend and application flow to connect your photo capture feature with the existing ML model and return the processed numerical results to users. I have experience with PHP/Laravel, Node.js, APIs, database integration and custom application development, and can structure the system for reliable concurrent requests. My approach would include: • Photo capture/upload from the app • Secure API for image submission • Integration with your pre-built ML model • Processing and returning numerical results • Clean result display for users • Proper request validation and error handling • Optimized API/database processing for 10+ simultaneous active users • Testing under concurrent usage to identify bottlenecks • Deployment and configuration support I’ll keep the architecture lightweight and scalable so multiple users can submit images without the application becoming unresponsive. If the ML model requires a specific runtime or API format, I can adapt the backend accordingly. I can start quickly once you provide the ML model/API details, expected input/output format, and preferred app technology. Best regards, Himanshu
₹7,000 INR in 2 days
3.3
3.3

Hi, I've reviewed your project, "Backend App Development with ML Interface", and I understand what you're looking to achieve. Based on the requirements in your project description, my PHP, Mobile App Development, Android, Cloud Computing, Software Architecture, Image Processing, Backend Development, App Development, API Development, API Integration experience aligns well with the work you need. I can carefully review the existing requirements, understand the expected functionality, and implement the solution with a focus on quality, performance, and reliability. Project Requirements: We are looking for a skilled backend app developer to create a simple yet highly functional application. The app should allow users to take a photo, which will then be forwarded to an integrated machine learning (ML) model. The ML model will process the image and return an output in the form of numbers, which should be displayed to the user. The app must accommodate double-digit active users simultaneously without any lag. Key Requirements: - Seamless integration of our pre-built ML model. - Smooth and lag-free performance for multiple active users. - A clean and user-friendly interfa I’ll make sure the work is handled professionally, with clear communication throughout the project and attention to the details mentioned in your requirements. I’m ready to discuss the project and get started. Best Regards, Khadija Tul Kubra
₹7,000 INR in 7 days
2.5
2.5

Hi, I can build the backend and application flow to connect your photo capture interface with the existing ML model and return results reliably. I’ll integrate the pre-built model through a clean API layer, handling image upload, validation, inference requests, and structured numeric responses. The architecture will be designed to support multiple concurrent users without blocking requests or causing unnecessary latency. I can optimize model inference, request handling, and resource usage based on the model’s actual runtime and hardware requirements. The user flow will remain simple: capture or upload a photo, process it securely, and display the returned values clearly. I have strong experience with backend APIs, Python/Node.js, and integrating ML inference into production applications. I’ll also include proper error handling, logging, and basic performance testing with concurrent requests before delivery. I can review your existing ML model and recommend the most practical deployment approach within your budget. I’m ready to start immediately and can provide a working prototype quickly.
₹7,000 INR in 10 days
1.8
1.8

As an expert in backend app development with a strong background in integrating ML models into applications, I am confident in my ability to bring your vision of a photo-centric ML interface to life. My proficiency in technologies such as Python, FastAPI, and AWS is aligned perfectly with the requirements of this project. I have extensive experience building high-performance applications that can handle multiple active users simultaneously without any lag, ensuring your app runs smoothly even during peak usage. One unique advantage I bring to the table is my end-to-end expertise, which means you won't need to juggle multiple freelancers or teams for different aspects of the job. From planning and UI design to AI implementation and cloud deployment, I will handle all aspects of the project for you. This streamlined approach guarantees better cohesion and faster turnaround times for your application's development. In summary, my skills not only cover seamless integration of pre-built ML models but also extend to optimizing apps for concurrent usage. By entrusting me with your project, you can expect a clean and user-friendly interface combined with impeccable backend performance – all delivered within budget. Let's collaborate and create an innovative application that exceeds your expectations!
₹7,000 INR in 7 days
1.6
1.6

Hello, I’m Bharghav, and I bring 10 years of experience in matching job skills, particularly in PHP, Android, Software Architecture, and Image Processing. I'm excited about the opportunity to work on your backend app development project. I understand you're looking for a robust application that enables users to capture images and interact seamlessly with a pre-built machine learning model. I plan to approach this by designing a backend that efficiently handles image inputs, processes them with the ML model, and displays results with minimal latency. My focus will be on ensuring that the app can handle double-digit active users without any performance hitches while maintaining a clean and user-friendly interface for photo capture and result display. Let’s start a chat to discuss your requirements in more detail and ensure that we align on the project goals. I’m keen to bring your vision to life and enhance user experience through effective app architecture. Best regards, bhargav922002
₹8,750 INR in 3 days
1.3
1.3

Hi, I can build this application and integrate your existing ML model cleanly. The flow will be simple: **capture/upload photo → send to ML model → process result → display the numerical output**. I’ll focus on: * Secure API/backend integration with your pre-built ML model * Fast image upload and processing * Support for 10+ concurrent active users * Clean, responsive UI * Proper error handling and loading states * API optimization and testing under concurrent requests * Deployment and setup documentation I can work with your existing ML model/API and choose the most suitable backend based on how the model is currently packaged. Your budget of **₹830–₹8,000** is workable for a basic MVP if the ML model is already ready and accessible. We can confirm the exact scope after reviewing the model/API.
₹1,500 INR in 1 day
1.0
1.0

I will start by setting up a FastAPI backend on AWS to handle the image processing requests and serve the ML model output efficiently. This architecture will ensure your concurrent users experience no latency during the inference phase. I have handled similar image processing pipelines using Python and cloud-based API integrations. My work on backend systems ensures that the data flow from the mobile capture to the ML model and back to the UI is handled asynchronously. A few questions to better understand the scope: Q1 - In what format or framework is your pre-built ML model currently exported? Q2 - Should the mobile app be built as a native Android solution or a cross-platform app? Q3 - Are there specific requirements for where the processed images should be stored after the numerical output is generated? I am ready to discuss the architectural approach for your API integration.
₹3,150 INR in 4 days
0.3
0.3

Hi, I’m a Full-Stack Developer experienced with Java/Spring Boot, React, Node.js, MySQL/PostgreSQL, REST APIs, Docker and cloud deployment. I’ve worked on production systems involving authentication, payments, real-time messaging, notifications and third-party integrations. I’ve read your requirements and can start immediately. I’ll keep the implementation clean, responsive and maintainable, with regular progress updates throughout development. I’d be happy to discuss the requirements and get started. Thanks, Renuka
₹1,500 INR in 1 day
0.0
0.0

In the world of app development that's increasingly driven by AI, my unique skillset makes me an ideal fit for your project. Having successfully integrated machine learning models into numerous applications, and even developed my own AI automation workflows using platforms like n8n and Zapier, I'm confident in my ability to seamlessly incorporate your pre-built ML model into your app. Another strength I bring to the table is a decade of experience not only in backend development but also in developing scalable web applications and optimizing them specifically for high-performance under concurrent usage. This will be invaluable as your app needs to accommodate double-digit active users without any lag. Rest assured, a clean and user-friendly interface, especially for the photo capture and result display functionality, is paramount on my list too! Best regards, Akif K
₹5,000 INR in 3 days
0.0
0.0

Srinagar, India
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