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I’m building a simple, two-phase tool for my nonprofit’s battery-collection events and I need help finishing the first phase. What the first release must do • Let the user on either iOS or Android snap a photo or choose one from the gallery. • Send that image to a lightweight backend (Node.js or Python—your call) which forwards it to Anthropic’s Claude Vision endpoint. • Return a clear “lithium-ion” or “not lithium-ion” answer to the phone and display it cleanly. • Keep everything self-contained; I don’t want to wire into Zapier, [login to view URL], or other external integrations right now. Hosting & tech preferences I can supply Claude API keys and credentials for a free hosting tier on Render or Railway, so you’re free to deploy the backend there. The mobile front-end can be native, React Native, Flutter—whatever you’re fastest with, as long as one code-base produces solid iOS and Android builds. Deliverables 1. Source code for the cross-platform mobile app. 2. Backend code with clear README covering environment variables, build, and deploy steps. 3. A brief test plan (manual is fine) showing the image flow working on both platforms. Acceptance criteria • A fresh install on any recent iOS or Android phone opens, takes a photo, and returns the correct binary result in under 10 seconds on Wi-Fi. • Backend deploys on a free Render or Railway account from a clean repo clone with a single command. • All keys, endpoints, and model parameters are pulled from env vars—no secrets hard-coded. Phase two—identifying whether a pictured consumer product contains a lithium-ion battery—will be a follow-up project once this foundation is stable, so clean, well-documented code now will set us up for quick iteration later. If this sounds straightforward, I’m ready to share the API key and hosting credentials so you can get started right away.
Project ID: 40388745
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33 freelancers are bidding on average ₹1,107 INR/hour for this job

Hello, I'm Asma, Web Developer and Graphic Designer with 10 years of experience working with clients and agencies from around the world. Creative problem solver with a passion for creating visually appealing and user-friendly digital solutions. I love building luxurious brands and designing captivating visual identities. I've worked with clients in lifestyle, property, fashion, hospitality, and luxury sectors. 24/7 Support & Faster Response . #WEBSITE DESIGNING / DEVELOPMENT #WORDPRESS/HTML/JS/CSS/PHP/LARAVEL/SHOPIFY #GRAPHIC DESIGNING #UX/UI #FIGMA #SQUARESPACE #SOCIAL MEDIA MARKETING #PHOTOSHOP/ILLUSTRATOR #GOOGLE ADS #JEWELERY DESIGNER #LOGO DESIGN #BANNER DESIGN #BUSINESS CARD #STATIONARY DESIGN #CD COVER #POWERPOINT PRESENTATION #BOOK COVER #LETTERHEAD DESIGN #3D LOGO #WORDPRESS #WEBSITE PAGE SPEED UP UPTO 95-99 #WEBSITE SEO #FIGMA TO WORDPRESS/HTML/JS/CSS/PHP/LARAVEL #PSD TO WORDPRESS/HTML/JS/CSS/PHP/LARAVEL ...... ETC :)
₹1,000 INR in 1 day
6.4
6.4

Hello There!!! ★★★★ ( Claude Vision powered mobile detector with fast cross-platform image classification ) ★★★★ I understand you need a simple phase-one mobile app where users capture or upload a photo, send it to a lightweight backend, process it through Claude Vision, and receive a clear lithium-ion or not lithium-ion result within seconds. Focus is speed, clean deployment, and scalable code. ⚜ Flutter/React Native cross-platform app ⚜ Camera and gallery upload flow ⚜ Node.js/Python backend integration ⚜ Claude Vision API connection ⚜ Render/Railway deployment setup ⚜ Env-based secure configuration ⚜ Testing and documentation support I can build this with a shared codebase and lean backend, optimize image flow for quick responses, and keep code ready for phase-two expansion. I’ve worked with AI APIs, mobile apps and deployment pipelines, and can deliver a reliable solution with proper docs. Happy to discuss and start imediately. Warm Regards, Farhin B.
₹1,000 INR in 40 days
6.7
6.7

Hi, I came across your project "Mobile Lithium-Ion Battery Detector" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in PHP, JavaScript, Mobile App Development, Node.js, React Native, Flutter, Git, Backend Development. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
₹950 INR in 40 days
6.0
6.0

Hello there, we are a team of developers and we can do this project in no time. Thanks Ashish Kumar.
₹1,000 INR in 40 days
5.9
5.9

Having spent over a decade in the IT industry, I have become a pro at working on projects that require multi-platform compatibility such as yours. My 5-year experience with Flutter, Android and React Native has given me not only a deep understanding of building robust cross-platform mobile apps but also an ability to deliver within strict timeframes. In my previous projects, I've integrated numerous third-party APIs just like the Claude Vision endpoint you mentioned. My familiarity with Google APIs, Facebook APIs, and many more allow me to quickly acclimate to new ones and integrate them seamlessly into my work. Moreover, my backend development skills on platforms including Node.js would be highly applicable for your project. I'm confident I can produce clean, well-documented code that is both efficient and scalable - an essential aspect for future iterations.I also believe in effective communication and am committed to providing regular updates and holding discussions to ensure that the project is progressing satisfactorily for you.
₹1,000 INR in 40 days
6.2
6.2

Hello, With 13+ years of experience in mobile and backend development, I can deliver your Phase 1 tool quickly, reliably, and ready for future expansion. Skills & Deliverables: • React Native app (iOS + Android, camera & gallery support) • Node.js backend (lightweight, deployable on Render/Railway) • Claude Vision API integration (secure env-based config) • Fast image processing with clear “lithium-ion” / “not lithium-ion” result • Clean UI/UX + robust error handling • Complete source code + README + simple test plan Approach & Timeline: • Day 1: App UI + image capture/selection • Day 2: Backend + Claude integration • Day 3: Testing, optimization (<10s response), deployment Why hire me? • Proven experience with AI + mobile integrations • Clean, scalable code for Phase 2 readiness • Fast delivery with clear communication I’m ready to start immediately and can ensure a smooth, production-ready setup. Let’s collaborate and get this live quickly.
₹1,250 INR in 40 days
4.9
4.9

As a seasoned freelance developer, I have a strong academic and professional background in Backend Development, JavaScript, Mobile App Development, Node.js, PHP, and Python – making me an excellent fit for your project. With your specific needs in mind, I would recommend we use Python as the primary language and host your project on Render or Railway. This will ensure ease of deployment and a reliable backend. I have vast experience in creating cross-platform mobile apps using varying technologies like React Native and Flutter; adapting to any choice of technology you prefer would not be an issue. Furthermore, my approach to building software prioritizes scalability and efficiency without compromising quality – two factors highly critical to your current and future requirements. In discussing your vision for this project, you rightly emphasized the value of clean code and documentation to facilitate future iterations. This aligns perfectly with my own development style. My commitment extends beyond the delivery phase; I aim to be a long-term technology partner for my clients. My goal is to help build solutions that scale, evolve according to client goals and can be maintained effectively. Trust me with this project, and I'll ensure we not only meet but exceed your expectations!
₹1,000 INR in 40 days
3.9
3.9

Develop a cross-platform mobile application for your nonprofit that identifies lithium-ion batteries using Claude Vision API and a lightweight Node.js backend. This system will allow users to capture or select images on iOS and Android, returning a binary "lithium-ion" or "not lithium-ion" result in under 10 seconds via Wi-Fi. Configure the backend for deployment on Render or Railway using environment variables for all keys to ensure a secure, one-command setup from a clean repo clone. I will use React Native to deliver a single codebase that handles the image flow and API communication without requiring external integrations like Zapier or Make. Will the images used for testing primarily feature loose batteries or batteries already installed within consumer electronic devices? Deliver the complete source code, backend README, and the manual test plan within four days. Message me to share the API credentials and we can start building the first phase today.
₹800 INR in 40 days
3.8
3.8

Hi there, The real challenge here isn’t the mobile capture or even Claude Vision—it’s keeping the image pipeline stable across iOS/Android while avoiding backend latency spikes and unpredictable payload failures when photos vary in size and lighting. This kind of flow usually breaks in three places: oversized images causing slow inference, inconsistent compression between platforms, and tight coupling between mobile UI and API response timing. You’re essentially building a lightweight cross-platform vision classifier with strict performance constraints and a clean, stateless backend. I’ve built similar React Native + Node.js pipelines where the key was controlling image preprocessing and enforcing a deterministic request/response contract between mobile and API. My approach would be: use React Native for a single codebase, implement client-side image compression before upload, build a minimal Node.js (Express) backend deployed on Railway/Render that proxies to Claude Vision using env-based config, and enforce strict response shaping (“lithium-ion” / “not lithium-ion”) to keep the mobile UI simple and fast. I’d also add timeout handling + retry logic so the 10-second requirement holds under real network variance. Main risk I’d control is payload variability causing slow or inconsistent classification responses. Are you expecting the second phase to reuse the same model pipeline, or will it introduce new object detection rules beyond binary classification?
₹1,000 INR in 40 days
3.3
3.3

Dear client I will build your cross platform mobile app using React Native that lets users snap or select a photo sends it to a Node js backend which forwards to Claude Vision API and returns lithium ion or not lithium ion displayed clearly on screen. The backend will deploy on Render or Railway from a clean repo with environment variables. No external integrations like Zapier will be used. All secrets will be pulled from env vars. You will receive source code for the app and backend a README with setup steps and a manual test plan for both iOS and Android. Ready to start immediately. Please share your Claude API key and hosting credentials. Best regards Jean
₹950 INR in 40 days
2.1
2.1

I'm a senior software engineer with 5 years experience, I can finish your project as fast as possible with high quality code, test plan, deployment plan, clean and documented code
₹1,100 INR in 40 days
1.8
1.8

Hello, I understand you need a simple cross-platform mobile app that lets users capture or upload images and detects whether an object contains a lithium-ion battery using Claude Vision API, with a lightweight backend and no external integrations. The goal is to deliver a fast, reliable MVP for your battery collection workflow. Here’s what I can provide: • Cross-platform mobile app (React Native/Flutter) for image capture & gallery upload on iOS and Android • Secure Node.js/Python backend integrating Claude Vision API and returning a clean binary result (lithium-ion / not lithium-ion) • Deployment on Render/Railway with full environment-based configuration and clear documentation I bring 4+ years of experience in full-stack development (MERN stack, mobile apps, REST APIs, cloud deployment), focusing on scalable, clean, and production-ready solutions. Just to clarify a few things: • Do you prefer React Native or Flutter for faster delivery? • Do you already have specific Claude Vision model or endpoint setup requirements? Please come to the chat box to discuss more about your project. Best regards Indresh Kushwaha
₹1,000 INR in 40 days
1.7
1.7

Let me get it done, I'll build a React Native application that interfaces with a lightweight Node.js backend to classify battery images using the Claude Vision API. This setup ensures a single codebase for both iOS and Android and keeps your infrastructure clean and self-contained on Render or Railway. Your project will be finished in 1 week, I have built similar websites before when working for web development agencies. Here is how I would approach it: 1. I can do a free demo if needed. We will plan everything out together, go through all the requirements, and then start. 2. Develop the mobile front-end using React Native with image picker integration to ensure smooth cross-platform performance. 3. Construct a Node.js Express backend that handles image processing and secure communication with the Claude API. 4. Implement environment variable management to secure your API keys and configuration settings. 5. Deploy the backend to your Render/Railway instance and provide the complete documentation and test plan as requested. Let's talk as soon as possible and get it done. Best Regards, Mihajlo
₹875 INR in 7 days
0.0
0.0

Hello, I can help you build the first phase of your battery-collection tool for both iOS and Android, ensuring a smooth image-based lithium-ion detection process. Approach: Mobile App: I will develop a cross-platform mobile app using React Native (or Flutter if preferred) that allows users to take a photo or select one from the gallery and send it to the backend. Backend Development: I will create a lightweight backend in Node.js or Python, which will receive the image and forward it to Claude Vision API for lithium-ion identification, returning the result to the mobile app. Self-contained Solution: I will ensure no external integrations are used, keeping the entire solution self-contained and running on Render or Railway using free hosting tiers. Performance: The app will return the “lithium-ion” or “not lithium-ion” result in under 10 seconds over Wi-Fi. Deliverables: Cross-platform mobile app source code Backend code with deployment instructions Test plan showing the image flow working on both platforms Acceptance Criteria: Image capture and correct result displayed within 10 seconds on both platforms. Backend deployable from a clean repo clone with a single command. Secure environment with no hard-coded secrets. I’ll make sure the code is clean, well-documented, and ready for future iterations. Best regards, Mark
₹800 INR in 40 days
0.0
0.0

Hi, I just finished a 5-star project solving exactly building a cross‑platform mobile tool that detects lithium‑ion batteries using image capture and a lightweight backend connected to an AI vision model. Here is what I will do: Develop a clean cross‑platform mobile app (Flutter or React Native) allowing users to snap or upload photos and receive a fast binary result. Build a lightweight Python or Node.js backend that forwards images to Claude Vision and returns a simple "lithium-ion" or "not lithium-ion" response. Deploy the backend to Render or Railway with full env‑var configuration, clean repo setup, and prepare source code + README + manual test plan. 10 days free support after delivery Milestone-based payment Reply "YES" and I will share a similar sample within 1 hour. Best regards, Ribal Ali
₹4,681 INR in 20 days
0.0
0.0

❤️❤️❤️ Hello, Best Match Right Here ❤️❤️❤️ Your first-phase goal is clear and smartly scoped: build a reliable cross-platform mobile tool that captures or uploads an image, sends it through a lightweight backend to Claude Vision, and returns a fast binary classification of “lithium-ion” or “not lithium-ion.” The real priority here is speed, simplicity, and maintainability—keeping the workflow under 10 seconds, avoiding unnecessary third-party automation tools, and creating a clean foundation that can later expand into phase two product-level battery detection. I have built mobile-to-AI pipelines where camera/gallery input flows through secure APIs to vision models and returns structured results with minimal latency. For your use case, I would recommend Flutter for a single robust iOS/Android codebase, paired with a lightweight Python FastAPI or Node.js Express backend deployed on Render or Railway. The backend would securely read Claude keys from environment variables, optimize image upload size for speed, call Claude Vision, and return a clean JSON response the app can display instantly. I also prioritize deployment simplicity, so the repo would be structured for one-command setup and future model upgrades without rewriting the mobile app. Would you like the binary result to be shown only as text, or should the first release also include a confidence score and simple color-coded UI (green/red) for faster event volunteers to use in the field? Best regards.
₹1,000 INR in 40 days
0.0
0.0

Hello, I understand your requirement for a simple mobile app that captures an image and sends it to a backend for classification using Claude Vision. I am a computer science student with experience in web development and currently learning mobile app and backend development. I can build a basic cross-platform app (React Native or Flutter) that allows image capture/upload and connects to a lightweight backend (Node.js or Python). The backend will securely send the image to the Claude API and return a clear result to the app. I will keep the system simple, well-structured, and easy to deploy on platforms like Render or Railway. I can first deliver a working prototype and then improve performance and structure based on your feedback. Thank you.
₹1,000 INR in 40 days
0.0
0.0

Hello, I can build your Phase 1 lithium-ion battery detection tool efficiently with a clean, scalable structure for future expansion. ✔ Cross-platform mobile app (React Native) for both iOS & Android ✔ Lightweight backend (Node.js + Express) deployed on Render or Railway ✔ Integration with Claude Vision API for image classification ✔ Fast response handling (under 10 seconds on Wi-Fi) ✔ Clean UI with clear “Lithium-Ion” / “Not Lithium-Ion” result I will also provide: • Well-structured source code • Backend setup with environment variables (no hardcoding) • Simple deployment steps (one-command deploy) • Manual test plan for both platforms I understand that this is Phase 1, so I will keep the code modular and ready for Phase 2 enhancements. I can start immediately once you share API credentials. Looking forward to working with you. Best regards
₹1,150 INR in 24 days
0.0
0.0

Your project is clear, practical, and very achievable—and I’d be excited to help you build Phase 1 quickly with a clean foundation for Phase 2. I understand you need a simple cross-platform mobile app (iOS + Android) that lets users take or upload a battery photo, sends it to a lightweight backend, checks it with Anthropic Claude Vision, and returns a clean binary result: ✅ Lithium-ion ❌ Not lithium-ion Why I’m the right fit ✔ Cross-platform expert – I can build this in Flutter (recommended) or React Native so one codebase supports both iOS and Android smoothly. ✔ Fast backend deployment – I’ll create a lightweight Python FastAPI or Node.js Express backend deployable on Render or Railway free tier with a single command. ✔ Secure & scalable – All Claude API keys, model names, and endpoints will be stored in environment variables. No secrets hardcoded. ✔ Built for Phase 2 – I’ll structure the app/backend so future upgrades (detecting products containing lithium batteries) can be added quickly. What I’ll Deliver Mobile App * Camera capture * Gallery image picker * Upload image to backend * Fast loading indicator * Clear result screen * Retry/error handling * Android + iOS builds Backend * REST API endpoint for image upload * Claude Vision integration * JSON response Documentation * Full README * Environment setup * Render/Railway deploy steps * Run locally instructions * Manual testing checklist Ready To Start Immediately
₹750 INR in 40 days
0.0
0.0

Hi from your description, the goal is to build a simple, self-contained MVP where a user can take a photo and quickly get a clear “lithium-ion / not lithium-ion” result, without adding unnecessary complexity or external dependencies. The key here is making the image → backend → Claude → response flow fast, reliable, and easy to deploy, especially within your ~10 second requirement. I want to understand do you want to keep the response strictly binary, or should we handle uncertain cases if Claude isn’t fully confident? I’d approach this by: • building a Flutter app (single codebase) for camera + gallery input • setting up a lightweight Node.js backend to handle image upload and Claude Vision calls • optimizing the flow to return results quickly and consistently • deploying on Render/Railway with env-based configuration (no hardcoded keys) • keeping the code clean and well-documented for easy phase two expansion This way, you get a working MVP that’s easy to test, deploy, and build on. If helpful, I can outline the exact flow and setup (app + backend + deployment) so everything is clear before we begin. Regards, Manish P.
₹1,000 INR in 40 days
0.0
0.0

Hasanpur Bhadwas, India
Member since Jan 11, 2025
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