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I’m working on a web application that performs AI-based image colorization, where the input is a batch of high-resolution black & white images and the output is a batch of high-resolution colorized images. The frontend is already built using React (JavaScript). The backend is implemented in Python using Flask, but it currently needs fixes and improvements to function correctly. The main goal is to debug and fix the backend so it can properly receive image batches from the frontend, process them using the existing AI/image-processing logic, and return the colorized results reliably. This includes fixing API endpoints, request/response handling, file uploads, batch processing, and ensuring stable communication between frontend and backend. The AI model itself already exists; the task is focused on backend integration and functionality, not training a new model. Required Skills: Python & Flask (API development and debugging) Experience handling image uploads and batch processing Familiarity with AI/ML image pipelines (colorization, OpenCV, PIL, etc.) REST API integration with React frontends JavaScript / React (basic integration understanding) Budget: $125 (fixed price)
Projektin tunnus (ID): 40202935
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Hi, I’ve got rich experience with it and can help if you’d like. Let me know how you want to handle it — happy to jump in and make things smoother.
$125 USD 2 päivässä
2,2
2,2
75 freelancerit tarjoavat keskimäärin $131 USD tätä projektia

⭐⭐⭐⭐⭐ Fix and Improve Your AI Image Colorization Backend with Python ❇️ Hi My Friend, I hope you are doing well. I reviewed your project requirements and see you are looking for a backend developer for your AI image colorization app. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for backend development. I will debug and enhance your Flask backend to ensure it processes image batches effectively and returns colorized results reliably. ➡️ Why Me? I can easily fix your backend issues as I have 5 years of experience in Python and Flask development. My expertise includes API development, debugging, and handling image uploads. Not only this, but I also have a strong grip on AI/ML image processing, ensuring smooth integration between your frontend and backend. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Python Development ✅ Flask API Development ✅ Debugging ✅ Image Upload Handling ✅ Batch Processing ✅ AI/ML Image Pipelines ✅ Colorization Techniques ✅ OpenCV ✅ PIL ✅ REST API Integration ✅ JavaScript ✅ React Basics Waiting for your response! Best Regards, Zohaib
$150 USD 2 päivässä
7,9
7,9

Hi there, ★★★ JavaScript / Python / Django Expert ★★★ 6+ Years of Experience ★★★ To complete this project successfully, I will focus on debugging and enhancing the Flask backend to ensure proper interaction with the React frontend for AI image colorization. The steps I will take are: 1. Review existing Flask code and identify issues (8 hours) 2. Implement fixes for API endpoints and request/response handling (6 hours) 3. Test file uploads and batch processing functionality (4 hours) 4. Ensure stable communication between the frontend and backend (4 hours) 5. Conduct thorough end-to-end testing to validate the entire flow (4 hours) What I need from you: 1. Access to the current codebase and any documentation 2. Details on the existing AI/image-processing logic 3. Any specific requirements or preferences for the API endpoints I look forward to connecting at your convenience to ensure the project's success. Best Regards, TechPlus Team
$250 USD 4 päivässä
7,6
7,6

I believe my skills in JavaScript, Python, Django, Debugging, and Git align perfectly with the requirements of the "Python Flask Backend for AI Image Colorization (React Frontend)" project. The budget can be adjusted after discussing the full scope, and I am committed to completing the project within your budget. Please review my 15-year-old profile to see my extensive experience. Your satisfaction is my top priority, and I am ready to start working on the tasks without being hired to demonstrate my dedication. Eager to hear from you soon.
$175 USD 7 päivässä
7,5
7,5

Hi, We’ve developed several AI-based web apps, including a product that colorized images using a custom-trained model. We also built a React front-end that integrated with a Python FastAPI back-end, where we handled multiple image uploads and batch processing. With extensive experience in both Python and JavaScript, I can seamlessly work across the entire stack. I’ve also worked with libraries like OpenCV and PIL for image processing, and I’m well-versed in REST API development and CI/CD pipelines. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best regards, Adil
$159,50 USD 7 päivässä
6,2
6,2

I'm experienced in Python and Flask for API development and debugging. With expertise in handling image uploads, batch processing, and AI/ML image pipelines like colorization using OpenCV and PIL, I can effectively debug and enhance your backend. Proficient in REST API integration with React frontends, I will ensure smooth communication between frontend and backend. Let's collaborate to optimize your web app's performance.
$250 USD 7 päivässä
6,3
6,3

Hi there, I am an expert Python developer with experience in Flask, image processing, and AI integration. I will ensure your AI image colorization web app functions flawlessly by fixing the backend issues, improving API endpoints, and optimizing communication with the React frontend. Let's enhance the image batch processing and ensure stable communication for reliable colorized results. Looking forward to collaborating on this project.
$155 USD 1 päivässä
5,9
5,9

With over 12 years of full-stack development experience, including extensive work with Python and Flask, I am confident that I can effectively debug and improve your AI image colorization backend. My expertise aligns perfectly with your project's requirements, from efficiently handling image uploads and batch processing to successfully integrating REST APIs with React frontends. Moreover, I have a deep understanding of AI/ML image pipelines and have worked with popular libraries like OpenCV and PIL. This allows me to seamlessly work with your existing model to enhance its functionality and ensure reliable communication between the frontend and backend. Above all, my commitment to maintaining strict deadlines while delivering high-quality solutions resonates well with the needs of your project. Let's connect and discuss how we can make your web application's backend robust, efficient, and fully functional at an affordable price point within your fixed budget.
$100 USD 7 päivässä
5,6
5,6

I can debug and stabilize your Flask backend so it reliably receives image batches from the React frontend, processes them through your existing AI colorization pipeline, and returns high-resolution results without errors. I’ll fix the API endpoints, file upload handling, batch processing, and request/response flow, ensuring smooth frontend–backend communication—focused purely on integration and functionality within your fixed budget.
$120 USD 3 päivässä
5,8
5,8

Hello client, I see that you require fixes and improvements to your web application backend that is implemented in Python using Flask to function correctly. Let's talk more about your project over private chat. I would love to work with you, and am excited to turn this opportunity into an enjoyable experience for both of us. Thank you, Fahad.
$125 USD 2 päivässä
5,5
5,5

As an experienced software engineer, I fully understand your requirement to enhance the backend infrastructure of your image colorization web application. Having been part of major AI and ML projects at Google and Apple, I have a solid grasp on the unique technological landscape that your project calls for, including Python Flask and React frontend integration. On top of my proficiency in Python and Flask, I am also well-versed in image processing pipelines such as OpenCV and PIL -- skills which are perfectly aligned with your AI colorization project. My client-centric approach guarantees a comprehensive understanding of your existing codebase and a clear, strategic roadmap for the improvements needed. You're looking for a consistently reliable backend that effortlessly handles batch image uploads, carries out efficient AI-processing, and sends back colorized versions smoothly to the front end; these are needs fortuitously in line with my expertise. In addition to bringing in technical competency alone, I pledge transparent communication throughout the project - providing regular updates to keep you informed on progress made. With a record of delivering polished products in significantly less time without compromising quality, I am confident in my ability to take your backend to new heights. Let's free up your time from technical intricacies so you can focus on marketing, scaling your business, and maximizing its potential.
$140 USD 7 päivässä
5,6
5,6

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with technologies including Python and Flask. My expertise in debugging and developing APIs, along with my familiarity with AI/ML image pipelines, positions me well to help fix and enhance your backend functionality. I will focus on ensuring your Flask API endpoints are reliable and capable of handling image uploads efficiently. This will include optimizing the communication between your React frontend and the Python backend, so the image colorization process works seamlessly. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: 1. Are there any specific issues you've identified in the current backend? Let’s discuss over chat!Are there any specific issues you've identified in the current backend? Regards, Arpit Jaiswal
$155 USD 25 päivässä
5,4
5,4

Hello, As a seasoned software engineer well-versed in both the backend and frontend disciplines, I'm confident in my ability to not only meet your project requirements but also deliver an exceptional solution. My extensive experience in API development using Python Flask, as well as my grasp of JavaScript incorporating technologies like React, positions me perfectly to tackle the task at hand. In addition, my proficiency with image uploads and batch processing will undoubtedly ensure that your desired AI-based image colorization process runs smoothly and reliably. I bring another invaluable asset to your project - my AI/ML expertise. Colorization utilizing tools like OpenCV and PIL is a domain I'm very familiar with; hence, I not only understand the technical aspects but also appreciate the creative dimension involved in this process. This understanding allows me to make pertinent suggestions for improvements while ensuring streamlined communication between your frontend and backend systems. My past work with REST API integration with React frontends also assures you of a seamless connection between both components of your web application. Let's create a striking application together! Best wishes,
$125 USD 2 päivässä
5,1
5,1

Hi there, I'm excited about the opportunity to enhance your web application for AI-based image colorization. With my extensive experience in Python and Flask, I can effectively address the debugging and integration issues you've mentioned. I have successfully handled image uploads and batch processing in previous projects, ensuring seamless communication between frontend and backend systems. My approach will focus on fixing your API endpoints, improving request/response handling, and stabilizing the entire process flow for image transformations. I aim to ensure that your application functions reliably and meets your required performance metrics. I can begin the work immediately and expect to deliver improvements within 5 days.
$130 USD 5 päivässä
4,6
4,6

Hello, I will debug and stabilize your Python Flask backend so it reliably accepts batches of high‑resolution B/W images from the React frontend, processes them with your existing colorization model, and returns high‑quality colorized outputs. Approach: Reproduce the issue locally, run the current Flask app with sample inputs, fix API endpoints and request/response handling, implement robust multipart/form-data uploads and batch processing (streaming/chunking for high‑res files), ensure model inference integration with memory and concurrency controls using PIL/OpenCV, and return results in a clear format (zipped images or array of base64/URLs). I will also add logging, error handling, CORS and timeout fixes and a minimal React test snippet. Start requirements & timeline: I will start after repo access, the model files or model path, a few sample high‑res B/W images and any existing API docs or environment setup. I can deliver the fixes and test integration in 3 days with progress updates on day 1 and day 2. Can you provide repository access, the model files or path, several sample high-resolution B/W images, and confirm whether you prefer outputs as a zipped download or individual image URLs/base64 so I can begin? Best regards,
$200 USD 2 päivässä
4,4
4,4

Hello Boris R., I checked your project, and it looks interesting. This is something we already work on, so the requirements are clear from the start. We mainly work on JavaScript, Python, Django, Debugging, Git, Image Processing, OpenCV, Flask, API Development, REST API We focus on making things simple, reliable, and actually useful in real life not overcomplicated stuff. Let’s connect in chat and see if we’re a good fit for this. Best Regards, Ali nawaz
$129 USD 4 päivässä
4,5
4,5

Dear Client, Greetings!! I have gone through the project description, and found that all of the mentioned requirements fall over my expertise, as I have hands-on experience on python, AI/ML, Data Science, software building, etc. I have strong experience debugging and stabilizing Flask backends that handle high-resolution image uploads, batch processing, and AI inference pipelines. I can fix your existing endpoints, ensure reliable frontend–backend communication with React, and make the batch colorization flow work end to end without touching the model itself. The focus will be clean APIs, stable uploads, and predictable results within your fixed budget. Lets discuss further over a chat. Also, I have been coding on Machine Learning and Data Science with python from past 7 years. I have the experience of working with 4 giant tech companies, including freelancing on upwork, fiverr and freelancer. Hope to hear from you soon!!. Regards, Rojan
$120 USD 7 päivässä
4,4
4,4

Hi there, I understand you need a reliable fix and improvement for your Python Flask backend to handle batch processing of high-resolution B&W images for AI colorization, working seamlessly with your React frontend. - I will debug and correct your Flask API endpoints and request/response handling. - Implement robust image upload and batch processing using proven libraries like PIL/OpenCV. - Ensure smooth, stable communication between frontend and backend for seamless workflow. - Validate the integration with your existing AI model without retraining it. **Skills:** ✅ Python & Flask API development and debugging ✅ Image uploads, batch processing & PIL/OpenCV expertise ✅ REST API integration with React frontend ✅ Debugging and troubleshooting for flawless functionality ✅ JavaScript/React basic integration understanding for streamlined communication **Certificates:** ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m ready to get started and can deliver a fully functional backend in 3 days to meet your requirements smoothly. Could you please share the specifics of the current backend issues or error messages you are encountering during image batch processing? Best regards,
$125 USD 3 päivässä
4,1
4,1

Hi there, I am a strong fit because I regularly debug and stabilize Flask backends that sit behind React apps handling heavy file and batch workloads. I have hands-on experience fixing broken image upload flows, batch processing pipelines, and request/response issues around existing AI image models. I work with Python, Flask, REST APIs, multipart uploads, OpenCV or PIL-based image handling, and React-to-backend integration patterns. I reduce risk by isolating API issues first, validating batch handling step by step, and making the backend deterministic and debuggable before reconnecting the frontend. I am available to start immediately and can complete this within the stated $125 fixed budget. Regards Chirag
$140 USD 7 päivässä
4,1
4,1

⭐ Hello there, My availability is immediate. I read your project post on Python Flask Backend for AI Image Colorization (React Frontend). I am an experienced full-stack Python developers with skill sets in - Python, Django, Flask, FastAPI, Jupyter Notebook, Selenium, Data Visualization, ETL - React, JavaScript, jQuery, TypeScript, NextJS, React Native - NodeJS, ExpressJS - Web App Development, Data Science, Web/API Scrapping - API Development, Authentication, Authorization - SQLAlchemy, PostegresDB, MySQL, SQLite, SQLServer, Datasets - Web hosting, Docker, Azure, AWS, GPC, Digital Ocean, GoDaddy, Web Hosting - Python Libraries: NumPy, pandas, scikit-learn, tensorflow, etc. Please send a message So we can quickly discuss your project and proceed further. I am looking forward to hearing from you. Thanks
$230 USD 3 päivässä
4,6
4,6

1. I am an expert in Python, Machine Learning, Data Analysis, R programming, R markdown as well. I have done many projects in Data mining and Machine learning projects. I have handled many data analysis part using R, Python based on the project requirement. I provide codes, writing reports as well. 2. Have done many projects. I read your project and sure I can handle your project. 3. Your project will be delivered on time with high standard 4. Assistance will be provided with number of clarifications until client satisfaction 5. I will provide assistance even after the payment. And will maintain data (content) security.
$150 USD 3 päivässä
4,7
4,7

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