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Backend App Development with ML Integration and User Authentication Project Description: 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. Additionally, the app must include user management features, allowing us to add or remove users as needed. It should also have robust authentication to ensure that accounts cannot be shared or transferred without our permission. 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. - User management functionality (add/remove users). - Strong authentication system to prevent account sharing or unauthorized access. 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. - Experience in implementing secure authentication systems and user management features. Budget: ₹830–₹12,500
Project ID: 40657328
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Active 3 days ago
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62 freelancers are bidding on average ₹8,913 INR for this job

Hi "Valuable Client", Here is a structured methodology to build your ML image processing app with rock-solid security and concurrent performance: 1. Architecture & ML Integration Backend Framework: FastAPI/Node.js to handle asynchronous requests smoothly for double-digit active users. ML Model Deployment: Containerize your ML model with Docker and serve via TorchServe/Triton or lightweight API endpoints, isolating ML compute to prevent UI lag. Image Pipeline: Direct photo upload via secure S3 presigned URLs, reducing API server load. Processed tensor data outputs pure numerical results instantly. 2. Auth & Anti-Account Sharing Authentication: OAuth2/JWT with short-lived tokens and secure HTTPS communication. Device Binding: Implement single-session enforcement, binding sessions to hardware identifiers/IP to prevent unauthorized sharing or transfer without admin clearance. 3. Admin & User Management Role-Based Access Control (RBAC) panel allowing admins to invite, suspend, or manage users with instant token revocation. 4. Performance Optimization Async queue processing (Celery/Redis) to maintain zero lag under concurrent camera captures. Ready to discuss your model's runtime and target platform. Looking forward to connecting!
₹7,000 INR in 15 days
9.0
9.0

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Python, and similar tools. I have worked with pytorch, and tensorflow to develop DL models, .I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr
₹37,000 INR in 7 days
7.2
7.2

Hello, We would be glad to support you with this project. Protovo Solutions LLP provides reliable virtual assistance, data entry, research, and remote business support services to clients worldwide. Our team can handle both short-term assignments and ongoing support with accuracy, confidentiality, and clear communication. Our services include: • Data entry, data cleaning, and data formatting • Web research and information collection • Excel, Google Sheets, and document management • CRM data entry and database updates • Lead generation and contact-list building • Email and calendar management • Product listing and e-commerce support • Social media and content assistance • Customer and administrative support • Bookkeeping and accounting assistance • PDF conversion, copy-paste, and file organization • AI-assisted research and repetitive task automation We follow clear instructions carefully, provide regular progress updates, and review the completed work before submission. Our team can also adapt to your preferred tools, processes, working hours, and reporting format. Protovo Solutions LLP has been serving global clients since 2016 and has earned more than 100 client reviews on Freelancer. Please connect with us through chat to discuss the work. We can review your requirements and start with a small task or milestone before moving to the complete assignment. Kind regards, Protovo Solutions LLP
₹12,500 INR in 7 days
6.8
6.8

Hi, I can build the app with photo capture, secure login, and your ML model integrated so users get the numeric output instantly. I will add an admin panel to add or remove users, plus device-binding to stop account sharing. I can start today. For the ML side, I will host the model behind an API with queued requests, keeping performance smooth for concurrent users. Questions: 1) Is the app Android, iOS, or both? 2) Is your ML model a Python script, TensorFlow, or PyTorch file? Looking forward to discussing further. Regards, Shayan.
₹5,350 INR in 3 days
5.5
5.5

Hi, I’m Hassan, a Senior React Native & Flutter Developer with 4+ years of experience building secure, production-ready applications. I can integrate your pre-built ML model so users can capture/upload a photo, securely send it for processing, and receive the numerical results smoothly. I’ll also implement secure authentication, user management, access controls, and an optimized backend capable of handling multiple concurrent users without lag. I can take care of the complete flow from API/ML integration to testing and deployment, while keeping the architecture clean and scalable for future growth. I’d be happy to review your existing ML model/API and discuss the best implementation approach. Best Regards, Hassan
₹10,000 INR in 7 days
5.5
5.5

Hi there, I’m Karthik, a backend app developer with over 15 years of experience in creating robust applications. I specialize in integrating machine learning models and ensuring high performance for multiple users. I can deliver a seamless image processing app that meets all your requirements: - ML Integration: I will seamlessly integrate your pre-built ML model to process user-uploaded images effectively. - Performance: The app will handle double-digit active users without lag, ensuring smooth performance. - User Management: I will implement a functional user management system allowing you to easily add or remove users. - Authentication: A strong authentication system will be built to prevent unauthorized access and account sharing. I am committed to delivering a user-friendly interface for photo capture and results display. Let’s discuss how I can help bring your project to life! Looking forward to your response. Best, Karthik
₹10,000 INR in 7 days
5.6
5.6

This project is a good fit for my experience with Python backend systems, ML model integration, and secure API development. I would structure the app so image capture/upload, ML inference, result delivery, authentication, and user administration remain separate and easy to maintain. The ML model can be exposed through a FastAPI service with controlled concurrency, request validation, and optimized inference so multiple users can use it without blocking each other. For account security, I would use token-based authentication, device/session controls, login monitoring, and an admin-controlled user management flow to reduce account sharing. The final application will be production-ready, with clear API structure, error handling, logging, and deployment documentation.
₹12,500 INR in 7 days
5.2
5.2

As an experienced backend app developer, I specialize in turning complex requirements into optimized, scalable systems - exactly what you need for your ML-powered image processing app. I understand the significance of integrating machine learning models smoothly into applications and ensuring they perform seamlessly even under heavy concurrent usage. My proficient skills in Python and Node.js make me perfectly suited for this task. Implementing robust authentication systems and user management functionalities have always been a part of my wider solution framework. This ensures that your app's internal security remains uncompromised at all times. My expertise also extends to developing cloud infrastructure and deploying it effectively, which will be crucial for handling double-digit active users without lag. .
₹1,500 INR in 4 days
5.2
5.2

Hello, I can develop the backend application and integrate your pre-built ML model into a secure and reliable workflow. The solution will include: • Image upload/capture and ML model integration • API for processing images and returning numerical results • Secure user registration and authentication • Admin functionality to add/remove users • Protection against unauthorized account sharing • Support for multiple concurrent users without noticeable lag • Clean and responsive interface for image capture and result display • Proper error handling and API documentation I will focus on security, performance, and clean architecture so the system can be extended easily in the future. I can start immediately and provide a working, tested solution. Fixed price: ₹10,000 Best regards
₹10,000 INR in 10 days
4.8
4.8

Hi there, Your project "ML-Powered Image Processing App" instantly caught my attention — it's exactly the kind of work we love to take on. What stood out to me is how clearly you’ve described what you want — and clarity like that is where we deliver our very best work. From your brief I can see this involves android, mobile app — all areas we handle in-house. We specialise in PHP, Mobile App Development, Android, Software Architecture, which lines up directly with what you need. How we'd approach it: - Finalise the screens, user flows and feature list with you - Build smooth, native-feeling UI with clean, maintainable code - QA on real devices, then prepare and ship to the store(s) - Post-launch support and iteration once you’re live I also noted you don’t need our permission — that’s clear, and I’ll keep the work clean and strictly on-brief. Expect smooth progress updates throughout, full respect for your specifications, and zero surprises along the way. I can start right away and keep you updated at every step — let’s make this a great one. Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!
₹1,500 INR in 5 days
4.8
4.8

As the project owner, you deserve to work with a professional who not only meets your required qualifications but also brings more to the table - and that professional is me, Ammar Ahmed Malik. Navigating through my wide range of skills and over 6 years of experience in backend app development, I have acquired a profound understanding of the intricacies of machine learning integration, robust authentication systems, and user management functionalities. My expertise includes implementing seamless API development and optimization for high performance amid concurrent usage - a fit made exactly for your ML-powered image processing app requirements. And that's not all! I bring in practical experience with secure authentication and user management capabilities to ensure your data is protected from any unauthorized access or account sharing. Moreover, I'm well-versed with technologies like Node.js, Laravel, PHP, Python (including ML libraries), REST/GraphQL APIs which will enable me to craft a reliable, high-performing backend solution for your application. Trust in my production-first approach; no demos that fall apart! With full ownership from architecture to deployment backed by clear communication, fast turnaround time, and meticulous documentation during our collaboration - rest assured we'll make this project a success. Let's build this image-processing app hand-in-hand with the power of AI!
₹7,000 INR in 1 day
4.9
4.9

With my decade-long career immersed in the world of web, mobile, and software engineering, backed by my passionate work with established enterprises and various platforms such as the MERN stack, I bring deep technical competency to any project. Notably, for the project at hand, my extensive experience in backend app development, integrating machine learning models into applications and optimizing apps for high performance under concurrent usage makes me an ideal fit. The task of seamlessly integrating your pre-built ML model into the app, ensuring smooth, lag-free performance for multiple users and incorporating robust authentication systems—fits flawlessly with my skillset. Finally, my proven track record across multiple industries including e-commerce, education and healthcare demonstrates my ability to navigate diverse domains efficiently. By combing this adaptability with our shared vision of driving operational efficiency and growth through this app, I believe we can accomplish great things together. Take a step towards achieving those goals and entrust your project with me. Let's build a visually appealing, highly functional,<art +efficient image processing app
₹7,000 INR in 3 days
5.0
5.0

Hello, I can develop your backend application with secure authentication, user management and seamless integration with your existing ML model. I have **10 years of PHP/Laravel experience** and strong expertise in API development, databases, authentication and performance optimisation. I can deliver: * Photo capture/upload API * Secure integration with your pre-built ML model * Numerical result processing and display * User registration and controlled user management * Admin add/remove user functionality * Secure authentication with session/token management * Protection against account sharing and unauthorized access * Optimised API/database architecture for multiple concurrent users * Error handling, logging and security controls * Clean, maintainable and documented source code I can work within your stated **₹830–₹12,500 budget**, depending on the existing ML model/API and exact scope. I’m available to start immediately and can first review your ML model/API requirements before finalising the implementation plan. Regards, **Umakant Yadav**
₹4,000 INR in 7 days
4.0
4.0

Hi there, I understand you need a lightweight application that securely connects a photo-capture workflow to your existing ML model and presents its numerical output reliably to users. The important parts are seamless model integration, responsive performance for multiple simultaneous users, and authentication that gives you complete control over who can access the system and prevents unauthorized account sharing. I can build the backend API around Python/FastAPI with secure authentication, user management, image upload handling, and a clean integration layer for your pre-built ML model. I'll structure the system so inference requests can be handled concurrently, with appropriate validation, error handling, session controls, and database-backed user management. The interface can remain simple and focused: capture/upload image → process → display model results. I'll deliver a tested, maintainable application with admin controls for adding/removing users, secure login and access management, ML integration, and performance testing with concurrent active users. I'm ready to review your existing ML model and preferred deployment environment so we can choose the most efficient architecture within your stated budget. Regards, Ahmad
₹10,000 INR in 7 days
4.1
4.1

I am excited to bid on your project as a skilled backend developer with expertise in ML integration and user authentication. My experience includes building efficient, secure apps that manage high concurrent usage and integrate seamlessly with ML models. I am confident in delivering a user-friendly, robust app tailored to your needs within your budget range. Looking forward to potentially working together and bringing this project to fruition with high standards.
₹7,000 INR in 7 days
3.3
3.3

Hello, just following up on my proposal for the ML-powered image processing app, especially the photo-to-ML flow, secure authentication, and user management. If you can share the existing ML model/API details, I can clarify the integration approach and any remaining questions.
₹35,000 INR in 2 days
2.5
2.5

As an AI & Cloud Data Engineering Specialist, I'm the ideal candidate to bring your ML-Powered Image Processing App to life. My solid background in backend app development coupled with my expertise in integrating machine learning models into applications make me the perfect fit for your project. I'm skilled at optimizing apps for high performance under concurrent usage which will ensure seamless user experience even during peak times with double-digit active users. Additionally, I understand the necessity of user management and security features in your app. Drawing on my experience building and implementing secure authentication systems and user management features, you can be assured of robust account management that prevents any unauthorized access or sharing. Furthermore, my proficiency in Python, SQL, TensorFlow, PyTorch - key technologies for ML integration - aligns perfectly with your requirements. In conjunction with this, my use of Docker, REST APIs and Scalable Architecture makes it easy to scale and adapt the application as your user base expands. I look forward to delivering their frexemplary Machine Learning-backed solution that will meet and exceed your expectations.
₹9,000 INR in 11 days
2.6
2.6

Hello, I understand you’re looking for a reliable backend app developer to create an ML-powered image processing application with robust user management and authentication features. PROFESSIONAL QUALITY | FAST COMMUNICATION | UNLIMITED REVISIONS WHAT I CAN OFFER: - Seamless integration of your pre-built ML model into the app - Development of a user-friendly interface for photo capture and result display - Implementation of secure authentication systems to prevent unauthorized access - A reliable user management system that allows easy addition and removal of users - Optimization for smooth performance, accommodating multiple active users without lag - Regular updates and clear communication throughout the project MY APPROACH: I will focus on understanding your requirements thoroughly and delivering a high-quality solution that meets your expectations. I’m ready to start immediately and ensure the project is handled professionally from start to finish. Regards, Shaun Kelly
₹6,500 INR in 7 days
1.4
1.4

Hi, I can develop the backend with secure authentication, user management and seamless integration of your existing ML model. The image workflow will support photo upload/capture → ML processing → numerical results, with optimized API handling for multiple concurrent users. Tech can be Python/FastAPI or Node.js with PostgreSQL, JWT/OAuth-based authentication and scalable API architecture. I’ll also implement access controls to prevent unauthorized account sharing and provide a clean admin interface for managing users. Relevant ML/API projects and portfolio can be shared in the chat. Regards, Kuldeep
₹7,000 INR in 7 days
1.6
1.6

Proposal The important part here is not just sending an image to your ML model. The backend needs to reliably control who can use the model, handle concurrent image-processing requests, and return results without exposing the ML endpoint or allowing account sharing. I’d structure this around a secure API layer: authenticated users upload/capture an image, the backend validates and forwards it to your existing ML model, then returns the numeric result to the app. Admin-level user management can handle adding/removing accounts, while device/session controls can restrict unauthorized account transfers. For the concurrency requirement, I’d keep ML processing isolated from the authentication/API layer so multiple users can submit images without the whole application becoming blocked. The exact approach depends on whether your pre-built model is exposed as an API, Python service, local model, or another format. I’ve built backend/API-driven systems including the real-time chat application with authentication and scalable backend communication, plus deployed ML systems using Python/Flask/FastAPI. Rate: 3400 Timeline: This project will be delivered in 7-10 days. Let’s quickly align on the ML model interface and authentication rules, then I can suggest the simplest production-ready architecture. Best regards, Team Apitide
₹7,000 INR in 7 days
1.1
1.1

Srinagar, India
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