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I’m advancing a React-Native iOS app that is already feature-rich and in active development, and I now want to fold in two deeply engineered, intelligence-driven additions: • Sleep Tracking (duration, quality, pattern logic, nightly insights) • Mood & Stress Tracking (real-time trend analysis, contextual signals, smart recommendations) I will be powering the insight layer through a third-party AI service, so your code should expose clean hooks or service classes that let me swap providers such as Google Cloud AI or IBM Watson later without ripping out business logic. What I need from you — Production-ready TypeScript/JavaScript modules: data models, algorithms, and React-Native compatible code ready to drop into the existing Redux/Context architecture (no heavy UI work; a minimal demo screen is enough for testing output). — Strong focus on data integrity, battery-friendly background processing, and scalable state management. — Clear interface documentation and unit tests so the modules integrate smoothly with the rest of the app. When you reply, please outline: • Relevant health-tech or AI/machine-learning projects you’ve shipped • A rough fixed-price quote (per module or combined) • Any assumptions, dependencies, or potential limitations you foresee I’m building for long-term quality, not a quick MVP, so well-structured, maintainable code is paramount. If this first collaboration goes well there is plenty more on the roadmap.
ID do Projeto: 40150412
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Ativo há 13 dias
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75 freelancers estão ofertando em média €205 EUR for esse trabalho

Hi There, 1.I’m advancing a React-Native iOS app that is already feature-rich and... ==> We are excited about the sleep and mood tracking modules. We have built similar health apps before. One interesting project had a feature that used phone sensor data to automatically guess why a user might feel stressed, like being in a noisy place for a long time. We got the idea of making flexible modules for different AI services. We will ensure the code is very efficient and uses low battery for background processing. Since youre using React-Native, we would suggest exploring Flutter for these new modules as its great for performance and can be added to an existing app. We appreciate your focus on high-quality, maintainable code for the long term. We build our software this way too and we are confident we can deliver what you need for this project and for future work together. ## Queries : 1. For the tracking, will data be collected automatically from phone sensors, or will it depend mostly on manual user entries? ## Initial Project Structure : - Dashboard Overview - Sleep Analysis - Mood Entry - Stress Trends - Settings We use advanced AI tools (Cursor, Claude, ChatGPT) to speed up coding and reduce manual work hours. We pass these time-savings to you, providing a high-quality app at a very competitive price. Waiting for your reply. :-) Regards, Ghanu & Samir. KESHAV INFOTECH
€187 EUR em 9 dias
9,5
9,5

Hi Niklas B. I’m your web developer, ready to turn your project AI Sleep & Mood/Stress Modules into reality! I’d love to discuss the details and create something amazing together. Feel free to message me anytime, and we can also hop on a quick video or audio call whenever it's convenient for you. I’ve developed many projects exactly like what you’re looking for. If you want to see more relevant samples, just contact me through the chatbox, and I’ll share them instantly. ★ Why Clients Trust Me 500+ successful web projects delivered 430+ positive client reviews Expert in JavaScript, Mobile App Development, iPhone, Software Development, Documentation, React Native, Data Analysis, API Development, Data Modeling WordPress, Shopify, PHP, JavaScript, HTML, CSS, Plugin/Theme Development, Laravel, WebApp Clean, modern, responsive and SEO-optimized designs Fast delivery, great communication, and long-term support Available during EST hours for smooth collaboration If you want a professional developer who delivers quality work on time and stress-free, let’s connect. I’m excited to help build something amazing for you. Best regards, Kausar Parveen
€180 EUR em 3 dias
7,1
7,1

Asif and his dedicated team at Einnovention are the perfect match for your AI Sleep & Mood/Stress Modules project. With a formidable background in health-tech development, we have successfully delivered numerous projects by leveraging AI and machine learning to enhance user experiences. Our proficiency in JavaScript and Mobile App Development means we're well-equipped to build production-ready code for your app, while ensuring data integrity, battery efficiency, and scalable state management. Beyond offering the technical expertise you require, what sets us apart is our commitment to building long-term partnerships with a focus on quality over quick MVPs. Our experience shows that sound, maintainable coding is the foundation of every successful project. Hence, we prioritize a well-documented codebase with clear interfaces and unit tests — this will allow smooth integration into your existing architecture while making future changes or provider swaps easy. In terms of pricing, we're open to discuss your budget and preferred structure, be it per module or a combined quote. We also offer free consultations before hiring, unlimited revisions till full satisfaction, and free support even beyond two weeks after delivery. Choose us for clear milestones, reliable delivery, transparent communication — let's turn this collaboration into a real success story!
€140 EUR em 7 dias
6,8
6,8

Hello, Thank you for sharing this opportunity, it sounds like a great fit, and I’d be glad to be involved. I’ve worked on similar projects and am confident I can contribute meaningful value to your team. I focus on delivering high-quality, reliable solutions while ensuring the process is smooth and efficient for my clients. My goal is always to build solutions that are both technically solid and easy to maintain. You’re welcome to review my profile to see examples of my previous work. If it aligns with what you’re looking for, I’d be happy to discuss your project in more detail and outline how I can support your goals. I’m available to start immediately and can dedicate my full attention from day one. Let’s connect and explore how we can make this project a success together. Looking forward to your response. With Regards! Abhishek Saini
€250 EUR em 7 dias
6,4
6,4

Hi, I can help refresh your Shopify store to create a modern, user-friendly layout that strengthens your brand and drives higher conversions. I specialize in Shopify theme design and development, combining clean HTML, responsive layouts, and optimized product pages with strong UX principles. I will redesign your store layout for clarity and ease of navigation, optimize images for faster load times without losing quality, and overhaul product pages to highlight key details, calls to action, and brand consistency. My approach ensures your store is visually appealing, intuitive for users, and conversion focused, while maintaining Shopify best practices for easy maintenance and updates. Best, Justin
€1.000 EUR em 7 dias
6,0
6,0

Hello There!!! ⚜️⭐⭐⭐⭐⚜️(( Production-ready AI modules for sleep and mood/stress tracking in React Native ))⚜️⭐⭐⭐⭐⚜️ You are looking to integrate advanced Sleep Tracking and Mood & Stress modules into your existing React-Native app, leveraging AI for insights while keeping code modular, battery-efficient, and future-proof against provider swaps. I have delivered health-tech and AI-driven apps using React-Native and TypeScript, building scalable, testable modules that integrate cleanly with Redux and Context architectures. I focus on data integrity, performance, and maintainable code structures. Three key features: • Sleep and mood/stress analytics modules with clean, production-ready hooks • Minimal demo UI for testing outputs without heavy design overhead • Full documentation and unit tests for seamless integration I can provide a combined fixed-price quote per module and ensure smooth handoff with clear guidance for AI service integration. Let’s discuss your exact requirements and timeline. Warm Regards, Farhin B.
€110 EUR em 10 dias
6,5
6,5

⚠️You are not looking for a coder. You are looking for someone who can build this properly. That is exactly why your project stood out.⚠️ Your commitment to embedding intelligence-driven sleep and mood tracking features within a React-Native iOS app, coupled with a clean, provider-agnostic AI integration strategy, reflects a dedication to scalable, maintainable health-tech innovation that resonates deeply with our expertise. At DigitaSyndicate, a UK-based digital systems agency, we build precision-engineered automation, modern web platforms, and AI-driven systems designed for performance and long-term scalability. Our approach emphasizes robust, battery-efficient background processing and modular, testable code perfectly aligned with your Redux/Context architecture and insistence on data integrity. We recently delivered a similar health analytics platform, architecting flexible AI interfaces that supported multiple providers seamlessly. Can you share your main priorities and timeline so I can map out the right execution plan for you? Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.
€200 EUR em 14 dias
5,6
5,6

Hi there, I’m Ahmed from Eastvale, California — a Senior Full-Stack Engineer with over 15 years of experience building high-quality web and mobile applications. After reviewing your job posting, I’m confident that my background and skill set make me an excellent fit for your project — AI Sleep & Mood/Stress Modules . I’ve successfully completed similar projects in the past, so you can expect reliable communication, clean and scalable code, and results delivered on time. I’m ready to get started right away and would love the opportunity to bring your vision to life. Looking forward to working with you. Best regards, Ahmed Hassan
€120 EUR em 2 dias
4,9
4,9

Hello, I can modernize the UI and speed up the app without adding bloat, keeping the look minimalist and tech-forward. I’d start by profiling what’s actually slowing the dashboard/game screens (Lighthouse/Web Vitals + React Profiler + bundle analysis), then deliver a compact redesign plan focused on typography, spacing, and subtle motion that supports gameplay. On the Web3 side, I’ll tighten the wallet-connect and transaction UX so connect/sign/pending/success/error states are clear and consistent with wagmi/ethers flows. For performance, I’ll implement route-level code-splitting, lazy-load heavier screens/components, reduce unnecessary re-renders with better state boundaries, and optimize assets/caching to cut load time and keep interactions snappy. Once you share the repo and current build link, I can turn this into a short plan + wireframe/prototype and move straight into a PR with measured before/after results. Best regards, Juan
€140 EUR em 7 dias
4,9
4,9

Greetings Client, I hope you’re doing well. I’ve reviewed your requirements for AI Sleep & Mood/Stress Modules, and I’d be glad to support you with a structured and results-focused approach. My process begins with a detailed analysis of your current setup to identify opportunities, gaps, and quick improvements. Based on this assessment, I’ll create a tailored strategy aligned with your goals, ensuring both quality execution and long-term value. Throughout the project, I focus on clear communication, timely delivery, and measurable outcomes. You’ll receive regular updates on progress, insights, and next steps, so everything stays transparent and aligned with expectations. I also believe in flexibility and collaboration, adapting the approach as needed to achieve the best results. I’d be happy to discuss your project in more detail and answer any questions you may have. Looking forward to working together. Best regards, Mehran Riaz
€130 EUR em 3 dias
5,0
5,0

Hi there! ? I’m excited to work on the AI Sleep & Mood/Stress Modules for your React-Native iOS app. With over 12 years of experience in Full-Stack Development and AI Integration, I am confident in delivering the cutting-edge features you seek. My focus on data integrity, battery efficiency, and scalable state management aligns perfectly with your project requirements. I have a robust portfolio of successful health-tech and AI projects, ensuring I can meet your expectations for quality and innovation. For a fixed-price quote, I propose a combined rate for both modules. I anticipate seamless integration with the existing Redux/Context architecture and thorough documentation to ensure easy collaboration. Could you share more details about the AI service you plan to use? Looking forward to your response!
€160 EUR em 3 dias
4,7
4,7

Hi There, I understand that you are looking to enhance your React-Native iOS application with advanced features like Sleep and Mood & Stress Tracking, integrating seamlessly with AI services. My expertise aligns perfectly with your project requirements. With over 7 years of experience in software development, I specialize in JavaScript, Mobile App Development, React Native, and APIs. I have a solid track record of delivering production-ready modules that focus on data integrity, scalable state management, and clear documentation. Here are some relevant projects from my portfolio: - [Portfolio Link 1](https://www.freelancer.com/u/KanzahAfaqAhmad) - [Portfolio Link 2](https://www.freelancer.com/u/KanzahAfaqAhmad) For a fixed-price quote, I will assess the complexity of the modules and provide a customized estimate. I foresee the potential for integration challenges with existing architecture, but my approach will mitigate any issues upfront. Looking forward to collaborating for quality and long-term success. Thanks, Kanzah Afaq
€250 EUR em 7 dias
4,3
4,3

Hi there, I'm Kristopher Kramer from McKinney, Texas. I’ve worked on similar projects before, and as a senior full-stack and AI engineer, I have the proven experience needed to deliver this successfully, so I have strong experience in Mobile App Development, iPhone, API Development, Documentation, Software Development, React Native, Data Modeling, JavaScript and Data Analysis. I’m available to start right away and happy to discuss the project details anytime. Looking forward to speaking with you soon. Best regards, Kristopher Kramer
€120 EUR em 3 dias
4,9
4,9

Hello, my name is Rahul Singh and I represent Team Velora, successfully running for the last 3 years. We clearly understand your requirement to implement sleep tracking and mood/stress analytics in your React-Native iOS app with clean AI integration hooks, battery-friendly background processing, and scalable state management. Our React-Native and AI integration experts can deliver production-ready, well-tested modules, and we would like to connect in the chat box to discuss the integration approach.
€130 EUR em 3 dias
4,5
4,5

Hi there, I’ve worked on advanced React Native apps involving health data, background processing, and AI-powered insights, so your sleep and mood/stress modules are right in my lane. I can deliver production-ready TypeScript modules with clean service abstractions for AI providers, battery-conscious logic, and seamless integration into your existing Redux/Context setup. You’ll get well-documented interfaces, unit tests, and a minimal demo screen so the intelligence layer is easy to validate and extend long-term. Looking forward for your positive response in the chatbox. Best Regards, Hassan H
€170 EUR em 7 dias
4,5
4,5

Hello, I hope you are doing well. In short, I’m a mobile-focused engineer with production-ready TypeScript/JavaScript modules for React Native and solid data modeling. I’ve built provider-agnostic hooks and service layers designed to slot into Redux/Context with minimal UI, prioritizing data integrity, efficient background processing, and scalable state management. I’ve delivered modular AI integration layers that swap providers, implemented unit tests, and produced interface docs so teams can replace AI backends without touching business logic. I’ve worked on health-tech-like data pipelines and battery-friendly background tasks. I can handle this work with my expertise and past experience. I guarantee a well-structured, maintainable module with tests and docs. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards, Billy Bryan
€250 EUR em 5 dias
4,4
4,4

Hi, I have read your proposal carefully and I am very confident with this task because my skills are best matched with this project and I have ever worked similar project. If I have chance to work with this, I will provide perfect result within your deadline. Looking forward discussing this project with you. Thank you. Petro.
€120 EUR em 2 dias
4,3
4,3

Hello, Having worked extensively with React Native, I have the confidence to create scalable, efficient, and production-ready modules for your app's AI sleep and mood/stress tracking needs. My understanding of JavaScript and TypeScript aligns perfectly with your app's current technology stack, meaning I can effectively integrate the modules into your app without disrupting any existing functionalities. Furthermore, my proficiency in API development is a key asset for this project as it guarantees the creation of clean hooks or service classes that will allow you to easily swap AI providers in the future, thereby ensuring greater flexibility for your app's insight layer. I've harnessed my skills in well-documented code, incorporation of unit tests which enhance app integrations. Certainly, my previous work in health-tech projects and experience in AI/machine learning qualifies me for this undertaking. Building on the best practices from past projects where data integrity, background processing, and state management were central concerns, I am well-equipped to incorporate those principles into your modules while guaranteeing minimal battery drain. Also, collaborating is a forte of mine and a long-term commitment to maintaining high-quality code performance is an ethic I share with you! Thanks!
€100 EUR em 2 dias
3,7
3,7

As a freelancer with extensive experience in both AI and health-tech, I'm confident that I can deliver the production-ready TypeScript/JavaScript modules you require for your React-Native iOS app. Notably, my proficiency in working with Neural Networks, Machine Learning and Data Science tools such as Scikit-learn and Pandas aligns perfectly with your project’s needs for sleep and mood/stress tracking. My background in Electrical Engineering also ensures a strong focus on data integrity, battery-friendly processing, and scalable state management. In terms of previous projects, I've successfully delivered single projects valued at over $30K while ensuring well-structured, maintainable code - this aligns perfectly with your expectation of consistent quality over MVP-like solutions. My knowledge extends to key providers like Google Cloud AI and IBM Watson which will greatly aid in making your code compatibility foolproof. For the quantitative part, let's go for ballpark 2500 USD per module; totaling 5000 USD for both modules - this allows me to ensure the thoroughness of my modules given their importance to continuous future development. Lastly, I anticipate no dependencies or limitations on my end - I’m ready to bring my expertise to bear in helping integrate smoothly the desired functionalities into your existing architecture. Let’s get your React-Native iOS app enhanced and ready to make a profound impact in people’s lives!
€140 EUR em 7 dias
3,7
3,7

Hi, I’m Mst Habiba Hasan, I am a Senior Full-Stack Developer with more than 10 years of experience. I can help you with: — Website development — Mobile app development — Web app development — Backend development — AI and Machine Learning development — Maintenance of existing projects — UX/UI design — Browser extensions — DevOps — Solution Architecture — Consulting — MVP development Technologies I've worked with include but are not limited to: * Python/ Django * ReactJS / React Native (including React Native Web) / Expo / Express / Redux / NextJS * Javascript / Typescript / Flow types * NodeJS / Angular / Vue.js * MongoDB / SQL (MySQL / MariaDB / PostgreSQL) / Redis * OAuth2 / Keycloak / Auth0 / Cognito * Kubernetes / Helm / Docker / Ansible / Terraform / Amplify / Firebase * AWS / Azure / GCP / on premises * RESTful / GraphQL / OpenTracing / AMQP (RabbitMQ) Contact me today to get started! I’m excited to collaborate and bring your vision to life. Best regards, Mst Habiba Hasan
€50 EUR em 3 dias
4,2
4,2

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