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Freelance HealthKit developers

Name: HealthKit developers
Brand: Upwork
Rating: 4.8 (199 reviews)

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$85 hourly
Justin G.
- 5.0/5
- (7 jobs)
Full stack dev. Web3 friendly. Front-end - NextJS/Tailwind/GraphQL MERN - Mongo/Express/React/Node Web3 - Solidity/Viem/The Graph/Wagmi

HealthKit
Front-End Development
GraphQL
Tailwind CSS
Next.js
React
React Native
Web Development
Blockchain
Web3
Solidity
web3.js
Smart Contract
Ethereum
TypeScript
JavaScript
$30 hourly
Himen P.
- 4.9/5
- (136 jobs)
✅ TOP Rated ✅ 100% Job Success ✅ 5 Star Reviews ✅ 12+ Years Experience ✅One of the Best BLE | Bluetooth | Beacons | NFC | RFID | QR Code | Custom Sensors/ Gateway | WiFi | LoRa | nb-IoT based Service Provider 🚀 With over 12+ years of extensive experience in IoT-based Hardware, Firmware, Mobile, and web app development, I specialize in delivering cutting-edge solutions for diverse industries. My expertise spans across PCB designing, layout, Firmware programming, Android, iOS, Flutter, React for mobile applications, and Python, PHP, and Java for web applications. I am adept in Web APIs, backend architecture, SQL, NoSQL, and third-party API integrations, ensuring robust and scalable systems. ----------------------- 🎯 Domain served ------------------------ ✦ Healthcare & Fitness: Remote patient monitoring, smart medical devices, fitness tracking. ✦Automotive: Connected vehicles, Logistics & fleet management. ✦Automation: Smart home, industrial automation. ✦Agriculture: Precision farming, environmental monitoring, automated irrigation systems. ✦ Sports: Wearable technology, performance tracking. ✦Retail/Proximity: Beacon technology, personalized customer experiences, indoor routing, indoor navigation. ✦ Smart City & Environment: Waste management, Environmental monitoring, smart infrastructure ✦Industrial: Power automation, Smart Factory, Supply Chain Optimization, Worker Safety & monitoring - Construction, Remote monitoring & Control. ✦ Space: Satellite communication, telemetry systems. ✦ Defense: Rugged hardware and firmware, secure communication, surveillance systems, and tracking systems. ---------------------------------- 🎯 Key Projects in Domains ----------------------------------- ★ Healthcare Monitoring System: Developed a comprehensive mobile and web application for remote patient monitoring, integrating BLE and WiFi-enabled medical devices for real-time data collection and analysis. ★ Fitness Tracking Application: Developed a fitness tracking application that integrates with wearable devices to monitor and analyze user health and fitness data in real time ★ Connected Vehicle Platform: Engineered a robust IoT solution for fleet management, utilizing Bluetooth and GPS technologies for real-time tracking and data analytics. ★ Smart Home Automation: Created an intuitive mobile app for home automation, supporting various wireless protocols like Zigbee and RF for seamless device control. ★ Agricultural IoT Solution: Created an IoT system for precision farming, integrating environmental sensors and automated irrigation to optimize crop yield and resource usage. ★ Retail Proximity Marketing: Implemented a beacon-based proximity marketing system to enhance customer engagement and personalized shopping experiences. ★ Industrial Asset Tracking: Developed an indoor navigation and asset tracking system using BLE and RFID technologies to optimize asset management and enhance operational efficiency. ----------------------- 🔑Technical Skills ----------------------- ➠Mobile App Development: ◉ Platforms: Android, iOS, Flutter, React Native ◉ IoT Specializations: BLE, Bluetooth, Beacons, NFC, RFID, QR Code, Custom Sensors/ Gateway, WiFi ➠Web App Development: ◉Languages: Python, PHP, Java ◉Frameworks: Django, Flask, Laravel, Spring ➠Databases: SQL (MySQL, PostgreSQL), NoSQL (MongoDB, Time Series, Firebase) ➠ APIs Development: RESTful APIs, GraphQL ➠Backend Architecture: Microservices, Serverless architecture, Cloud computing AWS Services: EC2, S3, Lambda, RDS, DynamoDB, IoT Core, API Gateway, CloudFormation, CloudWatch ➠Hardware & Firmware Development, and Testing: ◉ Hardware: Product Designing, PCB designing, prototyping (Sample devices), and Mass Manufacturing on request. ◉ Firmware: Development for various microcontrollers and processors ➠IoT Expertise: ◉ Wireless Interfaces & Protocols: BLE, BT5, Mesh, LoRA, IrDA, CIR, RF, nb-IoT. ◉ Microcontrollers & Microprocessors: Qualcomm, Nordic, Texas Instruments, Cypress Semiconductor, Espressif Systems, NXP Semiconductor ------------------------- ⭐Why Choose Me? -------------------------- ◉ Proven Expertise: Over a decade of experience in IoT, mobile, and web app development. ◉ Innovative Solutions: A track record of developing innovative and scalable IoT solutions across multiple industries. ◉ End-to-end Service: Comprehensive service offerings from hardware design to software development and deployment. ◉ Client-Centric Approach: Dedicated to delivering solutions that meet client needs and drive business growth. Let's collaborate to transform your ideas into reality with cutting-edge IoT solutions. Feel free to reach out for a detailed discussion of your project requirements.

HealthKit
NoSQL Database
Python
Product Development
Internet of Things
Wearable Technology
Bluetooth
nRF52
NFC
Firmware
Hardware Design
React Native
Flutter
iOS Development
Android App Development
$10 hourly
Simranjit K.
- 4.4/5
- (15 jobs)
I possess a robust work ethic, enthusiasm for web and mobile technologies, and the capability to deliver scalable solutions promptly to my clients. ✦ Over 13 years of hands-on experience in developing iOS and Android applications. ✦ Extensive proficiency in web development, specializing in PHP Framework Laravel. ✦ Demonstrated track record of success in project development, business expansion, and handling large-scale projects effectively. ✦ Quick learner with a keen eye for detail. FULL STACK SKILLS INCLUDE ************************************* ✦ Mobile App Development:- iOS - iOS 15, iOS 14, iOS 13, and Swift, Swift UI Expert Android apps with the latest Android Studio IDE Ionic, React Native, Flutter Push Notifications, Payment Gateways, Analytics, Ads, Specialised in Webservices scripting returning in JSON and XML ✦ Frontend Development:- Angular, ReactJS, VueJS, HTML5, Typescript, CSS ✦ Backend Development:- NodeJS, ExpressJS, Python, Core PHP, Cake PHP, Codeigniter, Laravel, WordPress , Joomla, Shopify ✦ Database Expertise:- Mysql, MongoDB, Firebase, PostgreSQL, NoSQL ✦ UI/UX tools:- Figma, Sketch, Adobe Photoshop, Illustrator ✤ Goal-driven and dedicated to achieving mutually beneficial outcomes for both the company and the client. ✤ Possess excellent qualifications in iOS and Android app development, coupled with a unique blend of technical and business expertise. ✤ Highly self-motivated and enthusiastic about taking on new challenges. I invite you to initiate a discussion about your idea. Let's get started!

HealthKit
AI Development
ChatGPT
Website
SwiftUI
Mobile App
App Development
React Native
MySQL
PHP
Python
Java
Kotlin
Swift
Android
iOS
$36 hourly
Siddharth S.
- 5.0/5
- (122 jobs)
APPS WON AWARDS & RECOGNIZED BY YC Before I built apps, I worked as a software analyst and researcher—giving me a sharp eye for selecting the right technologies to build high-performance, scalable, and intuitive mobile applications. ---🏆 AI-ML & COMPUTER VISION EXPERTISE --- I walk the path of AI, Machine Learning, and Computer Vision—using them to build apps that bring wisdom and power to four great domains: - Food & Agriculture 🌱 – AI that watches the land, understands the soil, and strengthens farmers - Fitness & Sports 🏋️‍♂️ – Motion AI that sharpens warriors, tracks their progress, and improves training - Health & Wellness 🏥 – Smart apps that listen to the body, predict risks, and guide healing - On-Demand Services 🚀 – Intelligent automation that saves time and makes life easier ---💡 WHAT MAKES MY CLIENTS HAPPY? --- My clients love the cutting-edge AI, IoT, BLE, and MAP-UI projects I build for them. They learn, predict, and make decisions. My clients see their power in: --- 🔥 SUCCESSFUL PROJECTS --- - AI-powered fitness & sports tracking apps (Motion AI, Workout Optimization) - Machine Learning & Deep Learning Models (Object detection, NLP, predictive analytics) - IoT & BLE-Enabled Health Monitoring Apps (Wearables, real-time data processing) - Agriculture & Food-Tech AI Solutions (Smart crop monitoring, food quality assessment) - AI Chatbots & NLP Automation (Dialogflow, Amazon Lex, GPT-powered solutions) ⚙ I BUILD FROM FOUNDATION TO SKY Every great tool starts with strong roots. That’s why I guide projects from first idea to final launch: - AI-ML Model Development – Training intelligence into apps - Native iOS Development – Smooth, fast, and reliable apps - Cloud Backend & APIs – Storing knowledge, keeping data safe - UI/UX Design – Simple, beautiful, and made for humans - App Optimization & Maintenance – Keeping apps strong and sharp - DevOps & Cloud Architecture – The power behind the scenes (AWS, GCP, Docker) 🌿 WHO I WALK WITH I work with those who build, those who dream, those who change the world: - Entrepreneurs & Startups – Hustlers, visionaries, risk-takers - Healthcare & Fitness Experts – The healers, the trainers, the ones who keep people strong - Farmers & Agriculture Innovators – The ones who feed the land and the people - Government & Enterprise Leaders – Those who shape the future 🔥 LET’S BUILD SOMETHING POWERFUL If you seek to build an app that thinks, learns, and grows, I will help you. Invite me, and let’s create something strong.

HealthKit
AWS Development
Vector Embedding
Generative AI
LangChain
AI App Development
AI Chatbot
AI Agent Development
Native App Development
iOS Development
Artificial Intelligence
Core Bluetooth
Mobile App Development
Python
Machine Learning
$20 hourly
Prateek A.
- 4.9/5
- (81 jobs)
Hello! I’m a 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with a strong background in building 𝗲𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝗰𝗿𝗼𝘀𝘀-𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝘀 using Flutter and Dart. I specialize in creating elegant, high-performance apps that deliver smooth user experiences and solve real-world business problems — for both startups and enterprises. From MVPs to full-scale production apps, I’ve successfully built mobile applications that are scalable, responsive, and maintainable, while also being cost-effective due to Flutter’s unified codebase for iOS and Android. ✅ 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂 𝗪𝗶𝘁𝗵: 🔸 𝗖𝘂𝘀𝘁𝗼𝗺 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • Full-cycle mobile development from concept, UI/UX design, backend integration, testing, and launch • Clean architecture using MVVM, BLoC, or Riverpod • App Store & Play Store deployment 🔸 𝗣𝗶𝘅𝗲𝗹-𝗣𝗲𝗿𝗳𝗲𝗰𝘁 𝗨𝗜 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 • Converting Figma/Adobe XD/Sketch designs into responsive Flutter UI • Animation-rich user interfaces using Hero, Rive, Lottie, and CustomPainter • Material and Cupertino widgets for native look & feel 🔸 𝗣𝗼𝘄𝗲𝗿𝗳𝘂𝗹 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 • Firebase (Auth, Firestore, FCM, Analytics, Storage, Crashlytics) • Supabase for real-time Postgres-backed apps • REST & GraphQL API integrations 🔸 𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 • Live chat, geolocation tracking, push notifications, video calls (WebRTC), in-app purchases, and more 🔸 𝗔𝗽𝗽 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 & 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 • Code refactoring, performance tuning, and bug fixing • State management expertise with Provider, Riverpod, Bloc, and GetX • Flutter DevTools and performance profiling 🧠 𝗠𝘆 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: • 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀 & 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: Flutter, Dart, Firebase, Supabase, SQLite, Hive • 𝗦𝘁𝗮𝘁𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Riverpod, BLoC, Provider, GetX • 𝗨𝗜/𝗨𝗫 𝗧𝗼𝗼𝗹𝘀: Figma, Adobe XD, Zeplin, Rive, Lottie • 𝗕𝗮𝗰𝗸𝗲𝗻𝗱/𝗔𝗣𝗜: Firebase, Supabase, RESTful APIs, GraphQL, Node.js, Laravel (for backend) • 𝗗𝗲𝘃𝗢𝗽𝘀: Git, CI/CD with Codemagic, Bitrise, GitHub Actions • 𝗧𝗵𝗶𝗿𝗱-𝗽𝗮𝗿𝘁𝘆 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: Stripe, Razorpay, Google Maps, Twilio, Agora, OneSignal • 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Unit, Widget, and Integration Testing in Flutter 📱 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜’𝘃𝗲 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝗔𝗽𝗽𝘀 𝗙𝗼𝗿: ➡️ Food Delivery Apps ➡️ On-Demand Service Platforms ➡️ Ride Booking & Transport ➡️ Real Estate & Property Listings ➡️ Social Networking Apps ➡️ Task & Project Management Tools ➡️ Inventory & Order Management ➡️ E-commerce & Shopping ➡️ Event Management ➡️ Fitness & Sports Tracking ➡️ Learning & Course Platforms ➡️ Freelance Marketplace Apps ➡️ Grocery & Retail Delivery ➡️ Healthcare & Appointment Booking ➡️ Investor & Business Management Dashboards ➡️ Venue Booking Systems 🤝 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? From idea validation and wireframing to launch and post-deployment support, I bring a 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝘃𝗲, 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀-𝗮𝘄𝗮𝗿𝗲 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵 to development. I work closely with founders, product managers, and teams to: • Build scalable, future-ready mobile apps • Guide on best architecture, tech stack, and deployment strategies • Provide transparent progress updates and fast iteration cycles • Ensure your app aligns with both user needs and business goals 📩 𝗟𝗲𝘁’𝘀 𝗯𝘂𝗶𝗹𝗱 𝘀𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗮𝗺𝗮𝘇𝗶𝗻𝗴 𝘁𝗼𝗴𝗲𝘁𝗵𝗲𝗿. Whether you’re starting from scratch or upgrading an existing app, I’m here to help bring your mobile vision to life with Flutter.

HealthKit
Booking Management System
Insurance Software
Real Estate
Coaching Software
Health & Fitness
iOS
Android
Kotlin
Swift
iOS Development
UIKit
Android App Development
Mobile App Development
Dart
Flutter
$15 hourly
Bhavik P.
- 4.8/5
- (28 jobs)
✅ TOP Rated Developer ✅ 100% Job Success ✅ 5 Star Reviews ✅ 9+ Years Experience 🏆 Award-Winning Mobile App Development helping entrepreneurs/startups build highly scalable mobile apps that win in the marketplace.  🏆 Quality-oriented Developers with 9+ years of experience in iOS And Android Mobile Apps development with specialization in Bluetooth, Bluetooth Low Energy, iBeacon, and IoT application development. If you are looking for an expert in Mobile App Developers for Bluetooth, iBeacon, or IoT application development, you are in the right place. We have extensive experience in these areas and can help you bring your ideas to life with a Mobile application that can interact with your hardware and leverage the capabilities of Bluetooth and iBeacon technology. My Profile Highlights: ✅ TOP RATED Mobile App Developer ✅ Expert in BLE, Bluetooth, IoT, NFC, MQTT, iBeacon ✅ Developed Apps for iOS, Android, WatchOS, macOS, WearOS, and many more ✅ Experience with MVC and MVP architecture patterns. I have expertise in the following:- ✅ To build a Native Application using Swift, Objective C, SwiftUI, Java, Kotlin. ✅ BLE, Bluetooth, IoT, NFC, MQTT, iBeacon-based applications ✅ Fitness/Health sector apps ✅ Home Automation / Industrial Automation ✅ Wearable devices ✅ Automotive infotainment ✅ Proximity and location-based services ✅ Point of purchase and retail ✅ Asset Tracking ✅ OTT Application development ✅ Web services-based applications using React, Angular, PHP ✅ Things Finder Application Development ✅ Bluetooth SDK & API Development ✅ nRF Firmware Upgrade Specialist ✅ Fleet Management ✅ SDK Development ✅ NFC & QR Code based App Development ✅ Expert in Project Management, Version Control, GitHub, GitLab, Bitbucket I'm eager to work with you to provide reliable, consistent, and High-Level solutions to design/development challenges. Please contact me, so we can discuss how we can work together to FULLY meet your Business Needs! Thank you.

HealthKit
Kotlin
iPad App Development
Bluetooth LE
Objective-C
Native App Development
Android App Development
Android
iOS
Smartwatch
Mobile App Development
Swift
iBeacon
Bluetooth
Internet of Things
$60 hourly
Samuel H.
- 4.9/5
- (35 jobs)
Hello, I am Samuel an Upwork Top Rated Plus iOS (Swift, SwiftUI, Objective-C) & React Native developer from the UK. My specialities are - - developing Apple apps - iPhone, iPad, Apple Watch, Apple TV - apps for connected devices - BLE/Bluetooth/Wi-FI/Network connected e.g. health, fitness, audio devices - cross platform (Android and iOS) React Native apps including cross platform BLE/Bluetooth apps - health and fitness apps (including using Apple HealthKit) - widgets (home and lock screen) - upgrading the React-native version on projects I aspire to the highest standards on each release. I have worked for and with blue chip companies including Bose, Corsair, Musclegun, SC Johnson, Glade, PWC, Vision Cruise, California Fresh Scent, RHA, Phlex Swim, Parqio, Stance Fitness, Huckleberry, Visual Accoustic, Bunafr, Neutrally, Infinite Touch, Mellow and Simple Audio ensuring that their visions are implemented. I have extensive experience in SwiftUI, Swift, Objective C and React Native. I have an excellent knowledge of the music streaming services, the audio industry, wellness, health and research having worked in these industries providing applications that exceeded expectations. With having worked on both large scale multinational and more bespoke apps I have a variety of experience. Project management is a key skill and I can use tools to ensure value is gained and projects are on track.

HealthKit
Bluetooth
Mixpanel
Intercom
iOS Development
Firebase
React Native
Push Notifications
iOS
Connected Device
Core Bluetooth
ResearchKit
Apple Watch
iPad App Development
$20 hourly
Manisha A.
- 4.6/5
- (140 jobs)
Are you looking for a seasoned healthcare professional with 15+ years of industry experience? Look no further! I bring a wealth of expertise to the table, spanning various roles in the healthcare IT industry, including Website and mobile Application Development, Project Management, Integration, Consultation, Digital Marketing, and Compliance. My Expertise  Web & Mobile Solution • Telehealth/Telemedicine Virtual Appointment Booking Solutions & mHealth Apps • EMR, EHR, PHI, Medical Billing Solutions for Patient Healthcare/Medical Records • HealthKit Integration for Fitness Apps • Healthcare device and smartwatch integration for vitals extraction • Healthcare Marketplace Management Solutions • Doctor-patient apps and Websites • Medical Job Portals • Staff Management Software, and more! • Chat-bot, video call, SMS, email service integration  Healthcare Consulting & Subject Matter Expertise: • HIPAA Compliance & Standards • HL7 V2, HL7 FHIR, SMART on FHIR, and NCPDP Standards • EHR & EMR Integration (EPIC, Cerner) • Healthcare Device & HealthKit Integration • Consulting on Telemedicine, EMR/EHR, HL7, FHIR, EDI, HIE, CCDA, HIPAA, Mirth Connect, Billing, Benefit Plan Management, Eligibility Verification, Claim Scrubbing • Start-Up and Large Organization Consulting for HIPAA Compliance • Security Risk Assessment and Remediation for Healthcare Applications • Mirth Connect Configuration and Channel Customization • Mirth Connect-Based FHIR Integration • Lab Integrations (Uni-Directional, Bi-Directional) • Integration with PopHealth, Epic, Cerner • Billing Management and EDI Processing Systems • DICOM Viewer & PACS Solutions  Digital Marketing Services: • SEO: Backlinking, Website SEO Auditing, Keyword Research • On-Page & Off-Page Optimization • Google Analytics • SMO & SMM: Social Media Platform Management • Content Writing & Editing • Blog Writing • Email/Testimonial/Article Writing  Bubble.io Expertise: • API Integration • Payment Method Setup • Responsive Design • UX/UI Design • Project Management I have also updated with emerging technologies like AI, chat-bot integration, and process automation. I've worked on numerous Bubble.io projects, mastering backend workflows, API integration, SQL Database connectors, Stripe payment integration, custom plugins, and third-party APIs. Our Global Impact: I've proven my healthcare domain expertise across the US, Canada, Australia, Europe, South America, and the UAE healthcare industries. Let's connect and transform your vision into a reality! Add value to your dream product with our expertise. Contact us today!

HealthKit
Digital Marketing
Electronic Data Interchange
Healthcare Software
Health & Fitness
Healthcare Interoperability
Telemedicine
Healthcare IT
Epic Systems Medical Software
Mirth Connect
HIPAA
FHIR
Electronic Medical Record
Search Engine Optimization
$20 hourly
Zain H.
- 4.7/5
- (29 jobs)
🔹 TOP-RATED PLUS | Senior iOS Developer | Helping Startups Build Scalable Digital Products 🔹 ✅ 60+ Apps Built from Scratch ✅ 100+ Projects Completed ✅ 100% Job Success & Client Satisfaction ⸻ 🧑🏼‍💻 What I Do I specialize in native mobile application development using Swift and SwiftUI for iOS, using Java and Kotlin for android, combined with backend expertise in Node.js, Express, and MongoDB. I offer fullstack app development: • Mobile app (iPhone, iPad, Apple Watch, Android) • Backend (API, DB, Admin Panel) • Deployment (VPS, EC2, Firebase, etc.) ⸻ 💬 What Clients Say “Zain’s work is outstanding. A very talented resource I’d highly recommend.” – Hassan, CEO at Devcrew “Always delivers with speed and precision. Great communication and execution.” – Candler, Founder of Platers ⸻ 🚀 Industries I’ve Worked With • Artificial Intelligence (AI) / Machine Learning Apps • Health & Fitness • Social Platforms (chat, feed, media) • Real-time Location-Based Apps (Delivery, Taxi, Logistics) • Healthcare (Doctor-Patient Apps) • IoT (BLE, iBeacon, WiFi devices) • Education (Video/Audio-based Learning) • E-Commerce (Storefront + Backend) • Multi-peer connectivity ⸻ 📐 Tech & Architecture • iOS: Swift, SwiftUI, UIKit • Android: Java, Kotlin • Backend: Node.js, Express, MongoDB • MVC, MVVM, VIPER, CLEAN, Coordinator • Firebase, REST APIs, WebSocket • Git, CI/CD, Agile ⸻ 🎯 Why Work With Me • Top-rated plus freelancer with proven delivery • Strong communication & attention to detail • Scalable and maintainable codebase • 7+ years of hands-on experience • Single point solution: frontend + backend + deployment ⸻ 📈 Let’s Talk Looking to build, scale, or improve your app? Let’s discuss your idea and make it happen. Good Day!

HealthKit
iPad App Development
Web Application
Business with 100-999 Employees
Apple Xcode
Android App Development
iOS Development
WatchKit
Firebase
iOS
MongoDB
Node.js
Augmented Reality
Swift
$160 hourly
Carlos A.
- 4.4/5
- (76 jobs)
With 18 years of diverse experience in various roles and technologies, I offer a wide range of skills to cater to your project's needs. My expertise includes: - System Administration - Development in PHP, Python, Ruby, C/C++, C#, VB.NET, ASP - VoIP Communication with Asterisk using Elastix and Trixbox - Proficiency in Elastic Search, Redis, Mongo DB, MySQL, PostgreSQL, SQL Server, Sybase ASE 12, DB2, Asterisk, vTiger CRM, OpenERP, Tornado, Bottle, Django, Ruby on Rails, Zend Framework, Yii Framework, Code Igniter, South, Git, Mercurial, Subversion, Jenkins, RabbitMQ - Installation and configuration of various GNU/Linux distributions: Debian, Ubuntu, Arch Linux, Red Hat, Suse, Fedora, Cent OS, Oracle Unbreakable Linux, etc. I am well-versed in configuring various services, including email services with dovecot, postfix, MySQL or PostgreSQL, Samba as a Domain controller, DNS using bind9 or PowerDNS, Audio Streaming with Icecast, IP tables, IP route, and web servers like Apache, Cherokee, Nginx. I have successfully implemented multi-wan Load Balancing between 2 LAN Networks from 2 different providers using IPtables and IP route for one of my clients. When it comes to deploying applications, I prefer using Fabric as my go-to tool. Additionally, I possess over 4 years of experience as an iOS engineer with strong command over Objective-C and Swift. I have hands-on experience deploying Canvas LMS, Moodle, node.js, and Trac, and have worked with various technologies/libraries like beautifulsoup, mechanize, etc. My expertise extends to deploying applications in AWS, Rackspace, and Heroku clouds. My strong aptitude for learning allows me to quickly adapt and master any technology required for your project, ensuring its success and seamless execution. Let's collaborate to bring your vision to life!

HealthKit
Linux System Administration
Ruby
PHP
JavaScript
Django
Swift
Ruby on Rails
CSS 3
Python
NGINX
$50 hourly
Taranpreet S.
- 4.7/5
- (181 jobs)
*****TOP RATED PLUS AKENEO & SALSIFY PIM EXPERT ON UPWORK***** I am a professional PIM/PXM and ecommerce developer and more than 10 years of experience. I have excellent experience in PHP with good expertise in e-commerce platforms like Wordpress, BigCommerce, Shopify, Magento 1 + 2, Akeneo, CodeIgnitor, Laravel, Salsify, Shopware, WooCommerce, etc. Also having good knowledge of JS frameworks like Node JS, React JS, Vue.js, Open AI and Socket IO. ✅ 11000+ hours completed ✅ Most Favourite Five-Star Feedback by Clients ✅ Completed 100+ Magento/Shopify responsive sites with various custom modules. ✅ Multi-vendor marketplace expert ✅ PIM expert - AKENEO / SALSIFY / PIMCORE My area of expertise: • Expertise in custom theme development and Integration • Magento/Shopify installation and setup. • Responsive theme installation, development, and customization. • PSD to HTML/CSS • Data export & import. • Speed optimisation. • HTML/CSS to theme conversion. • Bug fixing • Support and maintenance. • Responsive designs. Ecommerce Skills: ✅Magento 2 & 1 Website, Theme, and Module Development ✅Magento 2 & 1 extensions development ✅Magento 1 - 2 Migration ✅PIM setup from scratch ✅PWA (Progressive Web App) setup in Magento2 with React JS, Node JS & GraphQL ✅Payment Integrations: Authorize.net, SagePay, Sofort, ePay, and more ✅CRM & ERP Integrations - SAGE ✅Shipping Integrations: DHL, UPS, USPS ✅Akeneo To Magento connector ✅Magento Website Speed Optimization Server administration: • Linux (Debian, CentOS distro)/Unix (VPS, dedicated) web server installation & Configuration • Apache, Nginx, PHP FastCGI with Varnish, Memcache/ Redis cache engine installation/ configuration • Server security management • Remote server administration

HealthKit
BigCommerce
Shopware
Salsify
Varnish Cache
Shopify
WooCommerce
Magento
Pimcore
CodeIgniter
Node.js
React
PHP
RESTful API
Laravel
WordPress
$75 hourly
Vlad Z.
- 5.0/5
- (89 jobs)
Your Technical Partner I help growing businesses and startups build scalable, high-performance mobile apps with AR, AI, LiDAR, and GIS technologies. With over 17 years of experience, I lead the development of secure, robust, and future-proof software for real-world business challenges. My team and I deliver native iOS and Android apps enhanced with cutting-edge technologies like augmented reality and real-time geospatial mapping. I work with companies in Canada, Europe, Australia, New Zealand, and the UAE. Whether you're building a SaaS platform, educational tool, GIS utility, or AI-powered application, I bring deep domain knowledge and a results-first mindset. How I can help • Native iOS and Android mobile applications • AR, AI, and LiDAR-enhanced user experiences • Wireframes, prototypes, and UI/UX design • Full-cycle product delivery and scaling Tech stack highlights Swift, SwiftUI, Kotlin, ARKit, LiDAR, AI with OpenAI and ChatGPT, Unity, Firebase, Node.js, Django, Web3, GNSS, RTK, NTRIP, PostgreSQL, Redis Let’s turn your product vision into a fully functioning, revenue-driving application with precision and care.

HealthKit
GIS
Machine Learning
ARKit
Python
Firebase
Geolocation
Lidar
Artificial Intelligence
Augmented Reality
SwiftUI
Kotlin
Swift
Mobile App Development
Android App Development
iOS Development
$30 hourly
Rajat P.
- 3.8/5
- (109 jobs)
⭐️⭐️⭐️⭐️⭐️ In TOP 3 % Talent On Upwork 🏆 Certified Mobile App Developer | Flutter | React Native| Kotlin | Full Stack Developer ✅ 250 ➕ Mobile apps 100 ➕ websites live ✅ 80%+ Long-term & Repeat Clients ✅Senior Full Stack Developer with 13+ years of experience 🔝 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 🔸My availability is according to your country's time zone 🔸High-Quality Work🔸 Cost-Effective I am very efficient in my work. My first and foremost goal is to satisfy my clients From start to finish till the project is delivered, I constantly communicate with my clients and support them in their time zone. I update the client daily. The most important thing is to provide maintenance support to the client after the completion of any project. Whether you are a 𝗦𝘁𝗮𝗿𝘁𝘂𝗽, Newley 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 or looking for 𝗠𝗩𝗣, I will give you Best 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 at an 𝗔𝗳𝗳𝗼𝗿𝗱𝗮𝗯𝗹𝗲 𝗖𝗼𝘀𝘁, 💯 𝗙𝗿𝗲𝗲 𝟯𝟬 𝗱𝗮𝘆𝘀 𝘀𝘂𝗽𝗽𝗼𝗿𝘁 𝗮𝗳𝘁𝗲𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗶𝗼𝗻 𝐖𝐡𝐚𝐭 𝐂𝐥𝐢𝐞𝐧𝐭 𝐬𝐚𝐲𝐬 𝐚𝐛𝐨𝐮𝐭 𝐦𝐞🙂 ⭐⭐⭐⭐⭐5.00 "Rajat and the team were great to work with! They are skilled, great communicators, and good people. They worked hard to accomplish whatever task I had for them. I highly recommend them and will be using them in the future for other projects!" 𝑹𝒊𝒄𝒉 𝑴𝒊𝒍𝒍𝒆𝒓-𝑷𝒂𝒚𝒔𝒐𝒏 ⭐⭐⭐⭐⭐ 5.00 "Amazing work as always! I highly recommend working with Appentus team." 𝑻𝒐𝒃𝒊𝒂𝒔 𝗘𝘅𝗽𝗲𝗿𝘁 𝗶𝗻 𝗛𝘆𝗯𝗿𝗶𝗱 𝗔𝗽𝗽𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 / 𝐍𝐚𝐭𝐢𝐯𝐞𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ► React Native ► Flutter ► Android (Java Native App Development) ► IOS (Swift App Development) ► Firebase ► MVC/MVP/MVVM ► REST APIs ► In-App Purchases 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: 🟥Finance 🟥Healthcare. 🟥E-commerce 🟥Logistics and Transportation 🟥Education 🟥Public safety. 🟥 Banking 🟥 Automotive 🟥 B2B 🟥 B2C 𝗣𝗿𝗼𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 𝗰𝗼𝗺𝗽𝗿𝗲𝗵𝗲𝗻𝘀𝗶𝘃𝗲 𝘀𝗸𝗶𝗹𝗹𝘀 𝗶𝗻 𝘁𝗵𝗲 𝗳𝗼𝗹𝗹𝗼𝘄𝗶𝗻𝗴 𝘁𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: ✔OpenAI and ChatGPT API (gpt-4, whisper) and various other models. ✔Authorization with Google, Facebook, Twitter, Auth0, Github, Gmail and others ✔WordPress API - Uploading images and templates via WordPress API ✔ Full Stack Development: MEAN | MERN ✔ PHP Frameworks (laravel, codeigniter, yii, cakephp and zend). ✔ PHP CMS (Wordpress, Shopify). ✔ Database integration: SQLite, firebase, etc. ✔ API integration ✔ Frontend Development: HTML5, CSS3, Bootstrap v5.3, JavaScript, TypeScript, React.js, Vue.js, Angular ✔ Backend Development: Laravel, PHP, Node.js, Express.js, Django, Flask ✔Database Management: MongoDB, MySQL, PostgreSQL, Firebase, SQLite ✔API Development and Integration: RESTful APIs, GraphQL, OAuth, JWT ✔Cloud Services: AWS, Microsoft, Firebase, Azure Google Cloud Platform (GCP), Version Control: Git, GitHub, Bitbucket 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲: ✔ Proven track record of delivering high-quality projects on time and within budget. ✔ Strong communication skills, ensuring clear understanding and alignment with client requirements. Feel free to reach out to discuss your project requirements and explore how we can work together. Looking forward to connecting! 🙂

HealthKit
Flutter
iOS Development
Game
Android App Development
Swift
Django
Node.js
Mobile App Development
Java
PHP
Kotlin
Python
Android
Smart Contract
$35 hourly
Ravi P.
- 5.0/5
- (32 jobs)
Passionate about SwiftUI. You can hire me for write whole new app from scratch, implement designs, adding new features or bug fix. What can i offer to you? - 3+ years of hands-on experience on SwiftUI & iOS Development - High Quality, Maintainable, and robust code - On time delivery - Clear communication - Setting clear milestones - Regular updates - Full attention to your project - 😁( Smile ) Experience with - Development of iOS/Mac apps with SwiftUI & Swift - MVVM, MVC & Combine - Multi-threading, Memory management - Firebase , Coredata, CloudKit, Rest API endpoint implementation - Secure your OpenAI API key integration and prevent unauthorised access. - Store-Kit 2, Revenuecat - App Extension Widget - Clock-Kit - Health-Kit - AV-Kit, AVFoundation - Firebase Notifications & Messaging, Cloud Functions - NodeJS - ReactJS Don’t hesitate to drop me a message. I’d love to have a discussion with you regrading your app.

HealthKit
watchOS
Apple HealthKit
Smart Contract
Firebase
Blockchain
Apple Xcode
Apple Watch Application
iOS Development
iOS
iPadOS
Swift
Node.js
React
$30 hourly
Ahmad W.
- 4.6/5
- (13 jobs)
I am a Senior Frontend Engineer with over 6+ years of experience in JavaScript, React, Redux and Next.js. I specialize in creating intuitive user interfaces and enhancing user experiences, with a keen eye for design and detail to ensure applications are both visually appealing and functionally robust. 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ✅ JavaScript, HTML5, and CSS3 ✅ React JS (Functional and Component based) ✅ Node (Express, Nest) ✅ React Router ✅ Redux / Redux-Saga / Redux Toolkit ✅ Next.js ✅ TypeScript ✅ Webpack / Babel ✅ Bootstrap / TailwindCSS / Element UI / Semantic UI / Material UI ✅ Familiarity with UI/UX design principles ✅ Excellent problem-solving skills and attention to detail Deployments: ✅ AWS / Google Cloud Platform / Azure / Cloudflare / Firebase ✅ Cloudinary / Azure Blob Storage / AWS S3 (for data storage) Testing Tools: ✅ Mocha / Jest / Enzyme I've had the privilege of helping clients transform their innovative ideas into optimal software solutions that align with their unique business needs. Whether you're an individual, a startup, or an enterprise seeking to fulfill your technical requirements, I'm here to deliver tailored web applications that drive success. I'm eagerly anticipating the opportunity to collaborate with you.

HealthKit
Web Development
API Development
SaaS
Vuetify
Dashboard
Vue.js
Redux
Mobile App Design
iOS Development
Mobile App Development
GraphQL
React
MongoDB
Swift
$40 hourly
Junaid A.
- 5.0/5
- (35 jobs)
🎁 A 100% refund if I set the wrong expectation and can’t deliver. No questions asked! "Junaid is Excellent to work with. Always on time, keeps communication to make sure everything is done correctly the first time. It has been an excellent opportunity to work with him." With over 8 years of experience, 23 successful projects, and a 5-star rating, I bring a proven track record to the table. I’ve helped clients achieve their goals by delivering top-notch mobile solutions with a 100% job success rate and over 4,600 hours logged on Upwork. What you’ll gain from partnering with me: • Have an innovative app idea? I’m your development partner, ready to bring it to life with the latest iOS and Android technologies. • Facing business challenges? Let’s automate and streamline your processes with custom mobile solutions. What I offer: • End-to-end mobile app development: From wireframes to App Store and Google Play launch (iPhone/iPad/Android) • Expertise in cutting-edge tools and frameworks: • iOS: Swift, SwiftUI, Objective-C • Android: Kotlin, Jetpack Compose • UI/UX Design Excellence: Crafting intuitive, user-friendly designs • Comprehensive Project Management: Ensuring smooth project execution from start to finish • App Upgrades and Maintenance: Keeping your app updated with the latest features and OS versions Latest Tools and Technologies: • iOS: SwiftUI, MVVM, Core Data, Xcode • Android: Jetpack Compose, Coroutines, Dagger, Android Studio • Cross-platform: Flutter, Kotlin Multiplatform Ready to embark on an innovation journey? Let’s connect and transform your dream idea into reality! 🚀

HealthKit
AI Agent Development
Chatbot Development
AI Chatbot
FlutterFlow
Artificial Intelligence
Mobile App Design
Android SDK
iOS Development
Mobile App Development
Android App Development
Kotlin
Swift
Firebase
Dart
Flutter
$20 hourly
Muazam A.
- 5.0/5
- (109 jobs)
🎯 100% Job Success Score 🏅 Top Rated 💲 $100K+ Earnings 🏆 1500+ Hours of Experience 👋 Hi! I’m Muazam Ali, a seasoned Mobile App Developer with over 8 years of experience specializing in Swift, Kotlin, Flutter, and AI-powered mobile app development. I deliver high-performance mobile apps and cross-platform mobile apps for iOS and Android platforms, spanning industries such as Healthcare, E-commerce, FinTech, Education, Fitness, Real Estate, Retail, Travel, Media and entertainment, and Logistics mobile app development. 💡 Core Competencies and Technical Expertise 💡 iOS Development with Swift: Crafting elegant, robust apps tailored to the Apple ecosystem with extensive experience in SwiftUI, Combine, Core Data, and CloudKit mobile app development.. Android Development with Kotlin: Building efficient, intuitive Android apps focusing on Jetpack Compose, Coroutines, and Android Architecture Components mobile app development.. Cross-Platform Development with Flutter: Leveraging Flutter’s high-performance framework to deliver smooth, feature-rich applications on both iOS and Android mobile app development. AI-Driven Mobile Solutions: Integrating AI and ML capabilities for personalized, intelligent user experiences, with expertise in chatbots, predictive analytics, computer vision, and NLP mobile app development. Mobile App Architecture: Skilled in designing scalable architectures with MVVM, MVC, and modular design patterns, ensuring optimal performance and flexibility in mobile app development. UI/UX Design: Creating sleek, user-centric designs using tools like Figma and Adobe XD, focusing on responsive layouts and accessibility mobile app development. API Integration: Expertise in integrating secure RESTful APIs and GraphQL to support seamless data flow in mobile app development. Payment Gateways: Implementing secure, efficient payment solutions with Stripe, PayPal, and Apple Pay in mobile app development. Testing & Debugging: Advanced skills in JUnit, Mockito, Jest, and Flutter Test for consistent app quality. CI/CD Pipelines: Setting up CI/CD workflows with GitHub Actions, Fastlane, and Bitrise for streamlined builds, testing, and deployment in mobile app development. Version Control: Skilled in Git with active contributions on GitHub and Bitbucket for mobile app development. 🌟 Why Choose Me? 🌟 ✅ Proven Track Record: Delivered over 100+ mobile apps with consistent 5-star feedback, recognized across industries. ✅ Agile Development Process: Adopting Scrum and Kanban methodologies for timely, high-quality delivery and transparent communication. ✅ Performance Optimization: Prioritizing all applications' speed, efficiency, and low memory usage. ✅ Security-First Approach: Prioritizing security with SSL encryption, OAuth 2.0, and end-to-end encryption to protect user data. ✅ Ongoing Post-Launch Support: Providing continuous maintenance and updates for long-term success. 🔍 Let’s Transform Your Ideas into Reality! 🔍 Ready to build, enhance, or scale your mobile application? Whether it’s new mobile app development, AI-driven features in a mobile app, or consultation of mobile app development, I’m here to make it happen. Let’s connect and create something extraordinary!

HealthKit
iPad App Development
Smartphone
Web Application Development
API Development
AI App Development
App Development
Swift
Flutter
AI Mobile App Development
iOS Development
Hybrid App Development
Kotlin
Android App Development
watchOS
Mobile App Development
$55 hourly
Tetiana K.
- 4.9/5
- (42 jobs)
I have been working in IT industry for 16 years, 11 of them - as product manager, project manager, and producer of mobile games, apps and web-solutions. In 2013 I founded a development studio - Diversido, that specializes in web and mobile development. Since then our team completed more than 60 projects, with 100% job success rate. We received several awards, The Best Upwork Agency 2015 and 2016 among them. Our clients are small companies and startups in Healthcare and Education industries. We work closely with the client from the very beginning of the project, carefully transforming initial ideas to the best possible implementation. We do web-solutions of different complexity - from the simple website to the complex client-server application, using Node.js, Python, Ruby on Rails and ReactJS. Cross-platform and native mobile applications for iOS and Android - our other expertise. Based on our client's requirements we create excellent app according to the latest tendencies and guidelines, using Xamarin or Flutter. We have a team of 32 people - web and mobile developers, QAs, designers, project and product managers, and can help you with the project on any stage. Client satisfaction is our main goal, so effective communication, transparency, and problem ownership - is our approach.

HealthKit
Full-Stack Development
Mobile UI Design
UI/UX Prototyping
Healthcare Software
UX & UI
Web Development
Business Analysis
Product Management
React
Node.js
Flutter
Mobile App Development
$75 hourly
Barry J.
- 4.9/5
- (59 jobs)
You've found a winner! Literally a developer and a CTO all wrapped into one -- who happens to be obsessed with maximizing value for each and every client! This means, that your investment in selecting me as your developer should: a) Obviously, address and solve your problem or business need, and b) Provide double the value than if you selected another developer. I say this because, after successfully building over 250+ apps -- I have a robust library of code that can be leveraged to get you to a reliable result in most cases, quicker and better than others. Personally, I have over 20 years in designing, developing, and delivering quality software and will work relentlessly to help you turn your ideas into a working, scalable, and successful application. I've worked with hundreds of clients in a variety of industries, ranging from Early Stage Startups to Fortune 100 Companies and have scaled multiple MVPs to find and convert active audiences that pay! If you are looking for headache free, complete end-to-end services then I AM THE GUY you are looking for! I put a huge emphasis on understanding user needs through UX research to build UX/UI that solves user problem, fits the market, and is simple to use. My specialization is in building social networks, streaming apps, tools, utilities, e-commerce apps, consumer-facing products and B2B solutions. Development Specialities & Experience: • iOS SDK, Swift/Objective-C, Cocoa Touch, Apple Watch Kit, CoreAnimation, CoreData, CoreLocation, CoreImage, Audio Framework, AVFoundation; • Android SDK, Kotlin, Java (Android), HTML/CSS, Javascript (ES5 / ES6, AngularJS, jQuery, Ionic, React, React Native), Node.js (Express), Python, SQL (MSSQL, SQLite, MySQL, and Postgres), noSQL (DynamoDB, mongoDB, Firebase), and Java (Android). • C# (.Net), and PHP (Laravel, CodeIgniter, Symfony, Cake) • WatchOS SDK • Google Map Service, MapBox • Firebase, Realm, Layer, REST, Socket, MySQL, SQLite, JSON, XML; • Social networks API: Facebook, Twitter, LinkedIn, Instagram, Google+, Tumblr, Foursquare, Flickr, Weibo, Wechat; • CocoaPods, MagicalRecord, AFNetworking, ReactiveCocoa; • Firebase, Flurry, TestFlight, Crashlytics, Intercom, Mixpanel, Google Analytics, iAd, Admob, Push Notification, Dropbox SDK; • In-App Purchase, Stripe SDK, PayPal, CardFlight, Card.io; Product Design/User Experience Design • On-boarding Customer Experience • Research & Investigation • User Experience Design • User Interaction Design • Usability • User Testing • Layout Design • Interface Design • Modern Graphical Design I want to discuss your mobile application (iOS/Android) idea with you to help you make your Millions!

HealthKit
Objective-C
iOS Development
Microsoft SQL Server Programming
Android App Development
C#
PHP
SQL
ASP.NET MVC
Laravel
SQLite
$500 hourly
Jeshurun R.
- 4.9/5
- (28 jobs)
I can take your best idea and turn it into an app on the Apple App Store and Google Play Store, or build that feature that your users have been asking for for months. I can built iOS apps using the latest technology (Swift, SwiftUI, Combine) or cross platform apps using Typescript and React Native. I have 10+ years of experience developing with Swift. I specialize in building realtime data driven iOS apps, building amazing UI/UX (with user focused design and awesome animations), as well as advanced architecture design. Interested in building apps for Apple's new Vision Pro? With my extensive background in Apple technology, I have experience with all of the libraries and technologies required to build apps for visionOS / xrOS including RealityKit, ARKit, SwiftUI and many more. I can turn your existing iOS app into a spacial experience ready for visionOS, or I can build you a new app from the ground up designed for the Vision Pro. If you can imagine it, I can build it. Are you looking to bring NFTs and crypto features into your mobile app? I believe web3 is the future and we need better apps for users. I specialize in web3 integrations for mobile apps. Whether it's supporting NFTs, crypto payments, digital signatures and proof of ownership, or simply consulting you on what is possible, I am here to help. App Security is a strength of mine, as I have years of jailbreaking experience. I know how to protect your apps against runtime code injection, Objective-C runtime method swizzling, Man-in-the-middle attacks, as well as jailbreak detection. I'd love to hear about your project! Send me a message and let's talk about it.

HealthKit
Blockchain Development
App Development
Solidity
DApp Development
React Native
Blockchain, NFT & Cryptocurrency
Push Notifications
API Integration
Objective-C
Swift
iPhone UI Design
GraphQL
Analytics
iOS Jailbreaking
iOS Development
$50 hourly
Tomislav P.
- 5.0/5
- (39 jobs)
20+ years of industry experience including project management, system architecture, leading the development of enterprise-scale applications, and more. Building web and mobile applications from idea to production.

HealthKit
Project Management
Game Development
iOS Development
Machine Learning
Xamarin
SQL
React
Python
Flask
C#
$20 hourly
Vijay K.
- 4.9/5
- (75 jobs)
✅ Top Rated Plus Upwork Engineer ✅ 100% Job Success ✅ I love developing apps Skills  : ✅ iOS development ✅ MVVM development ✅ MVP & Prototyping Thank you for visiting my profile. Hi Upworkers, I will help you to build your iOS app from scratch or help with some refactoring or feature improvement. My experience includes: - 8+ years of experience with iOS platform - experience in object-oriented software architecture, design and programming, design patterns - good understanding of the internals of iOS - testing of iOS applications including writing Unit tests - experience in Multithreading, Networking - excellent written and verbal communication skills - ability to perform in a fast-paced agile environment and work both as a tech lead, a team member, and independently Technical skills: **Programming languages: Swift | SwiftUI |Objective-C | Flutter | React Native **Apple Frameworks: CoreData, Core Location, MapKit, Quartz, Core Graphics, Core Animation, Core Location, UIKit (Cocoa Touch), AVFoundation, Core Text, SpriteKit, AudioToolbox, AVKit, Audio Kit, AdSupport, iAd, CoreImage, MediaPlayer, AddressBook, MessageUI, Photos, SafariServices, NetworkExtension, Twitter, Social, SystemConfiguration, XCTest, XCUITest **External Services: CocoaPods, ObjectMapper, Realm, SDWebImage, Facebook SDK, Fabric, Stripe, Braintree, PayPal, Socket.io, Firebase **IDEs/Development Tools: Xcode **Databases: Realm, CoreData, SQLite, SQL **Source Control Systems: Git **Task tracking: Redmine, JIRA, Teamwork, Trello Please write me and let's work together!

HealthKit
AR & VR
RESTful API
SwiftyJSON
Apple Watch
Apple Xcode
Firebase
Mobile App Development
GraphQL
UIKit
ARKit
watchOS
WatchKit
iOS Development
Objective-C
Swift
$60 hourly
Balraj R.
- 4.8/5
- (14 jobs)
✅ Swift ✅ Kotlin ✅ SwiftUI ✅ Flutter ✅ Objective C✅ ReactNative Thanks for checking my profile. I am an experienced mobile app developer with experience in developing high-quality, user-friendly apps for both iOS and Android. With over 8+ years of experience in app development, I have a strong background in Java, Kotlin, Swift, Objective-C, and Dart programming languages. I have created and improved applications for clients in areas of social networking, education, video streaming, entertainment, self-help, fitness, lifestyle, commerce and more. How I can help you: ✯ Build an app from ideation to MVP and beyond ✯ Revive, update or fix existing applications in need of care and feeding ✯ Integrate new or existing applications into popular back-ends like Firebase or AWS ✯ Get previously stalled app development efforts over the finish line ✯ Consult on feature possibilities, App Store guidelines, and monetization strategies In addition to my technical skills, I am a strong communicator and enjoy working with clients to understand their vision and bring their ideas to life. I am organized and detail-oriented, and take pride in delivering projects on time and to the highest standard. I am excited to bring my skills and experience to your project and help you achieve your goals. Let's work together to create a successful app that meets the needs of your users on both iOS and Android platforms.

HealthKit
Amazon S3
AWS Lambda
Vue.js
iOS SDK
Laravel
Node.js
Kotlin
Firebase
Amazon DynamoDB
Mobile App Development
Android Studio
Swift
iOS Development
Android
iOS
Android App Development
$35 hourly
Dhruv K.
- 5.0/5
- (17 jobs)
Hi, I'm Dhruv, an experienced AI & Machine Learning Specialist with a strong background in building intelligent solutions that transform data into actionable insights. With over 6 years of experience, I specialize in leveraging advanced machine learning techniques and AI frameworks to develop scalable, efficient, and innovative models. I am proficient in both supervised and unsupervised learning methods, along with a deep understanding of natural language processing (NLP) and computer vision. My work focuses on creating robust AI solutions, including chatbots, text processing systems, speech-to-text applications, and custom AI-driven platforms tailored to your specific needs. Key Expertise Areas ✔️ Predictive Modeling & Statistical Analysis ✔️ Supervised and Unsupervised Machine Learning ✔️ Deep Learning Frameworks & Neural Networks ✔️ Natural Language Processing (NLP) – Text Summarization, Sentiment Analysis, Text Classification ✔️ Custom Chatbot Development – AI-Powered Assistance ✔️ Speech Recognition & Text-to-Speech Systems ✔️ Computer Vision – Object Detection, Image Analysis, and Processing ✔️ LLM Integration – Fine-tuning Models, Prompt Engineering ✔️ Data Preprocessing & Cleaning for High-Quality Insights Tools and Technologies I Work With Programming Expertise: Python, Node.js AI & ML Frameworks: TensorFlow, PyTorch, Keras NLP Tools: spaCy, gensim, NLTK Data Handling Libraries: Pandas, NumPy, Scikit-learn Visualisation: Matplotlib, Seaborn Cloud Platforms: AWS, Google Cloud Database Systems: MongoDB, PostgreSQL, MySQL Why Choose Me? As an AI and machine learning enthusiast, I thrive on solving complex challenges with tailored, data-driven solutions. My passion for innovation and a results-oriented approach ensures that every project I undertake delivers value and exceeds expectations. I'd love to collaborate with you if you're looking for an expert to bring your AI ideas to life or optimize your business workflows through advanced machine learning. Let’s unlock the power of AI together!

HealthKit
AI Text-to-Speech
AI Mobile App Development
AI Image Generator
AI Speech-to-Text
AI Development
Artificial Intelligence
Machine Learning
AI Model Development
AI Audio Generation
AI App Development
AI Music Generator
AI Text-to-Image
AI Consulting
Python
AI Chatbot
$25 hourly
Jaydip F.
- 5.0/5
- (67 jobs)
𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 • 𝗶𝗢𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 • 𝗦𝘄𝗶𝗳𝘁 • 𝗦𝘄𝗶𝗳𝘁𝗨𝗜 • 𝗖𝗮𝗿𝗣𝗹𝗮𝘆 • 𝗪𝗮𝘁𝗰𝗵𝗢𝗦 Hello! 👋  I’m 𝗝𝗮𝘆𝗱𝗶𝗽 𝗙𝗶𝗻𝗮𝘃𝗮, a passionate 𝗶𝗢𝗦 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 from India with 𝟳+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 building elegant, user-focused applications. My commitment to 𝗵𝗶𝗴𝗵-𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝗰𝗼𝗱𝗲, clean architecture, and timely delivery has earned me a 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 𝗦𝗰𝗼𝗿𝗲 and recognition as a 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 (𝗧𝗼𝗽 𝟯% 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸). ✨ Why Choose Me? ✅ 𝗙𝘂𝗹𝗹-𝘁𝗶𝗺𝗲 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆 (𝟰𝟬+ 𝗵𝗼𝘂𝗿𝘀/𝘄𝗲𝗲𝗸) ✅ 𝟳+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 ✅ 𝟲𝟬𝟬𝟬+ 𝗵𝗼𝘂𝗿𝘀 𝘄𝗼𝗿𝗸𝗲𝗱 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 ✅ 𝗗𝗲𝗱𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝘁𝗼 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗶𝗻𝗴 𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝗰𝗼𝗱𝗲 𝗮𝗻𝗱 𝗿𝗲𝘀𝘂𝗹𝘁𝘀 ✅ 𝗣𝗿𝗼𝗯𝗹𝗲𝗺-𝘀𝗼𝗹𝘃𝗲𝗿 𝘄𝗵𝗼 𝘁𝗵𝗿𝗶𝘃𝗲𝘀 𝗼𝗻 𝗰𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀 ✅ 𝗘𝘅𝗰𝗲𝗹𝗹𝗲𝗻𝘁 𝗘𝗻𝗴𝗹𝗶𝘀𝗵 𝗰𝗼𝗻𝘃𝗲𝗿𝘀𝗮𝘁𝗶𝗼𝗻 𝘀𝗸𝗶𝗹𝗹𝘀 ✅ 𝗔𝗹𝗹 𝟱-𝗦𝘁𝗮𝗿 ⭐ 𝗿𝗲𝘃𝗶𝗲𝘄𝘀 & 𝟭𝟬𝟬% 𝗥𝗲𝗽𝗲𝗮𝘁 𝗛𝗶𝗿𝗲 𝗥𝗮𝘁𝗲 ✨ Skills & Expertise 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀: Swift (Expert), Objective-C (Expert), SwiftUI (Expert) 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: iOS, iPadOS, WatchOS, TvOS 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲𝘀: VIPER, MVVM, MVC 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: UIKit, SwiftUI, CoreData, CoreBluetooth, CoreMotion, CoreLocation, AutoLayout, SpriteKit, Notifications, Firebase, SocketIO Whether you're a 𝗦𝘁𝗮𝗿𝘁𝘂𝗽 ready to launch your 𝗠𝗩𝗣, an 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 seeking tailored 𝗶𝗢𝗦 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀, or a 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 looking to enhance your existing app — I’m here to help turn your vision into reality. With a collaborative, results-driven approach, we’ll build something that truly stands out. ✨ What My Clients Say ★★★★★ Fluen - Learn languages with friends "I am pleased to write a review for Jaydip, an exceptional developer whom I had the pleasure of working with. Throughout our project, Jaydip demonstrated an impressive ability to deliver high-quality work within tight deadlines. His technical skills are outstanding, and he was able to provide innovative solutions to complex problems. Jaydip's attention to detail is second to none, and he consistently went above and beyond to ensure that our project was successful. In addition to his technical expertise, Jaydip is a pleasure to work with. He is an excellent communicator, always keeping us informed of his progress and any issues that arose. Jaydip is a great team player, and he worked collaboratively with us to ensure that our project was delivered on time and to our satisfaction. Overall, I would highly recommend Jaydip to anyone in need of a skilled and reliable developer." ★★★★★ iOS App Development from Figma Design (SwiftUI) "My collaboration with Jaydip has been great! He has been everything and more I could ask or expect from a developer: Reliable, responsive, flexible, experienced, intelligent, dedicated. We are looking forward to continue to work together in the future!" ★★★★★ iOS wireframe development "Excellent work again! Helped with iOS app and worked many times with Jaydip. Pleasure to work with and stays up to date with good communication. Highly recommended!" ★★★★★ IOS App development like Dream 11 Cricket App "Jaydip is an excellent IOS developer. Hats off to his communication skill, How he interact with his customer, his honesty, his dedication to work. He is an awesome developer in all aspects. I really appreciate his work. He delivers quality content. Code is also very readable and easy to understand. and use frameworks is also great. I really thank Mr. Jaydip for his support. Very few developers are there who are good in all aspects. Thanks, dear...." ★★★★★ Create new iOS APP "Very good communication. Jaydip tried his best to make things work, worked on all bugs and related issues. Stayed close to requirements, always available. Good to work with him!" ★★★★★ Add Password Autofill support for iOS / Swift app login "Jaydip is an incredible iOS developer and problem solver!! I had an issue that several iOS engineers could not handle, but Jaydip resolved it in a short time and so elegantly! I'm looking forward to working with Jaydip again!! Highly recommended!" 𝗙𝗲𝗲𝗹 𝗳𝗿𝗲𝗲 𝘁𝗼 𝗿𝗲𝗮𝗰𝗵 𝗼𝘂𝘁 — 𝗜’𝗺 𝗲𝘅𝗰𝗶𝘁𝗲𝗱 𝘁𝗼 𝗰𝗼𝗻𝗻𝗲𝗰𝘁 𝗮𝗻𝗱 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗮𝗰𝗵𝗶𝗲𝘃𝗲 𝘆𝗼𝘂𝗿 𝗴𝗼𝗮𝗹𝘀. 𝗟𝗼𝗼𝗸𝗶𝗻𝗴 𝗳𝗼𝗿𝘄𝗮𝗿𝗱 𝘁𝗼 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝘁𝗼𝗴𝗲𝘁𝗵𝗲𝗿, Jaydip.

HealthKit
Apple Xcode
Dart
SnapKit
watchOS
Web API
iOS SDK
Mobile App Development
Flutter
AI Chatbot
iOS Development
WatchKit
iOS
Swift
OpenAI API
SwiftUI
$70 hourly
Francisco B.
- 4.9/5
- (26 jobs)
🏆 Top Rated Plus 🏆 10+ years of experience 💡🧠 🛠️ crafting high-quality mobile solutions 💻📱 for iOS, Android, and Flutter. I don't just build apps, I architect 🎨 and lead the development of robust 💪🛡️, scalable software 📈 that solves real-world problems 🧩 and delivers exceptional user experiences 🌟. My Expertise: ✅ Flutter Architect: I've spearheaded successful migrations of native apps to Flutter, reducing development time and boosting performance. I'm proficient in building custom Flutter plugins, optimizing for web and mobile, and deeply understand Flutter's architecture and best practices. ✅ SDK & Plugin Development: I have a proven track record of creating multi-platform SDKs and plugins that streamline development and enhance functionality for other developers. My focus is on clean code, intuitive APIs, and seamless integration. ✅ Mobile-First Strategy: I'm passionate about creating mobile experiences that prioritize user engagement and satisfaction. I have a strong understanding of mobile design principles and UI/UX best practices. ✅ Technical Leadership: I've led teams, mentored developers, and fostered collaboration to deliver complex projects on time and within budget. I'm a certified Scrum Master with experience in Agile methodologies. My Skills: ✅ Languages: Swift, Objective-C, Java, Kotlin, Dart, C/C++, C# ✅ Platforms: Flutter, iOS, Android, Web ✅ Tools: Xcode, Android Studio, Git, CocoaPods, Firebase, RESTful APIs, GraphQL, MQTT, BLE, NFC ✅ Methodologies: Agile, Scrum, Mobile-First Design, Clean Architecture, SOLID Principles 🤝 Let's Collaborate! 🤝 I'm eager to apply my skills and experience to your next project. Whether you need a Flutter expert, a Mobile developer, an SDK developer, or a technical leader to guide your team, I'm ready to deliver results that exceed your expectations.

HealthKit
Machine Learning
Python
Bluetooth
Firebase
MQTT
C#
C++
Kotlin
Java
Swift
Objective-C
Dart
Flutter
Android
iOS
$12 hourly
Piyush P.
- 5.0/5
- (9 jobs)
Transforming Concepts into Scalable, Monetizable Mobile & Web Apps 🚀 Why Work With Me? 🔹 9+ years of hands-on experience crafting high-performance mobile applications using Swift (iOS) and Flutter (cross-platform). 🔹 Specialized in building MVPs for startups—fast, lean, and built to scale. 🔹 Complimentary consultation to align product goals with technical strategy. 🔹 Transparent communication with daily updates and progress tracking. 🔹 Clean, maintainable code with performance and scalability top of mind. 🔹 End-to-end support: from idea validation to deployment and ongoing maintenance. 🔹 Strong knowledge of monetization strategies like subscriptions, in-app purchases, and ads. 🛠 What I Bring to the Table Mobile Development Expertise: Native iOS (Swift, Objective-C, SwiftUI) and Flutter app development with mastery in MVVM and MVP patterns. API & Backend Integration: Proficient with REST APIs, GraphQL, and databases like Firebase, AWS Amplify, and Realm. UI/UX Excellence: Crafting intuitive and responsive UIs using Cupertino, Material Design, and custom components—pixel-perfect across all devices. State Management & Performance: Skilled in Provider, Riverpod, Bloc/Cubit, and Redux. Deep experience with app profiling, memory optimization, and battery efficiency. Payments & Monetization: Integrated solutions with Stripe, PayPal, Apple Pay, and Google Play Billing. Familiar with ad networks and monetization techniques. Notifications & Messaging: Implementing FCM, OneSignal, and Twilio for push notifications, real-time chat, and SMS integration. Geolocation & Mapping: Expertise in MapKit, Google Maps, and Mapbox for location-based services and advanced geofencing. User Tracking & Analytics: Integrated Branch, AppsFlyer, Firebase Analytics, and Google Analytics to track engagement and refine UX. Security & Authentication: OAuth2, JWT, Firebase Auth, and biometric logins implemented for robust, secure user access. CI/CD & Source Control: Experienced with GitHub, Bitrise, GitLab CI/CD, and Jenkins for seamless code delivery. AR/VR & Wearables: Projects involving ARKit, ARCore, and Unity3D, plus integration with Wear OS, WatchKit, and Fitbit SDK. AI/ML Integration: Embedding intelligent features using CoreML, TensorFlow Lite, and ML Kit. 🏆 Achievements ✔ Top Rated Developer on Upwork ✔ 1,000+ hours logged ✔ 10+ fully launched applications ✔ Delivered multiple clients’ dream MVPs ✔ Strong reputation for UI precision and cross-device support 👋 Whether you're validating an idea or scaling an existing product, I’ll bring both the technical muscle and startup mindset to help you succeed. Tap "Invite to Job" and let’s explore how I can bring your vision to life. Best, Piyush Poshiya

HealthKit
SwiftUI
Blockchain
Mobile App Development
Dart
OpenAPI
Google AdSense
Socket.io
ChatGPT
SwiftyJSON
Google Ads
iOS Development
Flutter
Firebase
iOS
Google Maps API
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Last updated: May 18, 2025

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