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Ravina G.
$20/hr
100% Job Success
$100K+ earned
Available now
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Hi, I'm a Project Manager and Full-Stack Developer at KM Soft, where I work with a skilled team of developers, UI/UX designers, QA engineers, and AI specialists to deliver high-quality digital solutions. ~ What We Do: *Custom Web Application Development *Mobile App Development (iOS & Android) *AI & SaaS Product Development *Full-Stack Development *Backend Development & API Integration *System Architecture & Technical Consulting *UI/UX Design & Product Strategy *End-to-End Project Management ~Industries We Serve: *Healthcare & HealthTech *FinTech & Accounting *SaaS & Business Management *HRTech & Workforce Management *Fitness & Wellness *Smart Home & IoT *Education & Community Platforms *Media & Entertainment *Research & Business Intelligence ~Featured Projects: *Simon Says – AI Transcription Platform *Asthi Care – Healthcare Platform *Daily Time Track – Workforce Management *Auto Invoice – Billing Software *Nubooks – Accounting Platform *Trainer X – Fitness Management *Halo Parent – Community Platform *Kaiso Research – Research Platform *Muso Minder – Digital Music App *Alvis – Smart Home Automation We are committed to delivering scalable, secure, and user-friendly solutions with clear communication, transparent project management, and reliable long-term support. ~Let's Connect: If you're looking for a reliable team to build your next web, mobile, AI, or SaaS product, feel free to contact me. I'd be happy to discuss your requirements and explore how we can help bring your ideas to life.
Harjot P.
$60/hr
100% Job Success
$500K+ earned
Available now
Offers consultations
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I build iOS apps that make money. If yours doesn't, we should talk. Most iOS developers ship features. I ship revenue. In the last 8 years, apps I've built have generated $500K+ for my clients, not because I write "clean code" (everyone claims that), but because I obsess over the 3 things 90% of developers ignore: conversion, retention, and App Store ranking. What I actually do: Build native iOS apps in Swift/SwiftUI that get featured, ranked, and downloaded. Then I make sure they don't leak users through a bad onboarding, broken paywall, or App Store listing nobody clicks. A few receipts: - Telehealth app → 10K patients, $500K seed round (HIPAA-compliant, Core Data, CloudKit sync) - DTC e-commerce app → 312% mobile revenue lift (Apple Pay, custom checkout that doesn't suck) - EdTech app → 4.9★, featured in "Apps We Love" (SwiftUI, built in 7 weeks) - Social app → 50K DAU, 1M+ messages/day (Firebase, real-time, zero downtime in 18 months) How I work: I don't take every project. I take 2 per quarter. If we're a fit, you get: - A working TestFlight build in week 2, not week 8 - Direct access to me, not an account manager - An opinionated partner who'll push back when your idea is wrong (and tell you why) - A 99.8% crash-free app, or I fix it on my dime I'm probably not for you if: - You want the cheapest developer on Upwork (I'm not) - You need someone to just "code what I tell them" (I'll ask why first) - You don't have a clear sense of who your user is (I'll help, but you have to care) I'm exactly right for you if: You've got a real product, a real budget, and you want it built by someone who's shipped apps that people actually use and pay for, not someone padding a portfolio.
Balakrishnan Venkatesan B.
$49.99/hr
100% Job Success
$1K+ earned
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I build cross-platform applications across games, mobile, and desktop, with a focus on performance, stability, and production-ready architecture. In game development, I work with Unity and Unreal Engine to create interactive experiences, real-time systems, and simulation-driven applications, including gameplay mechanics, UI systems, and performance optimization. My work often involves handling real-time rendering, physics, and scalable game logic for both standalone and connected environments. For mobile, I develop applications using Swift and Kotlin for native performance, and React Native and Flutter for cross-platform delivery, ensuring consistent UX across iOS and Android. I’ve built apps ranging from consumer products to data-driven tools, with strong attention to responsiveness and maintainability. On the desktop side, I use C++ and Electron to develop high-performance applications and custom tools, including system-level utilities and UI-driven software. I focus on efficient resource management, clean architecture, and seamless integration with external services and APIs. My approach is to deliver reliable, scalable solutions that perform well under real-world conditions, whether it’s a game, a mobile app, or a desktop system.
$35/hr
100% Job Success
$100K+ earned
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Need a reliable developer to turn your idea into a production ready product? I help startups, entrepreneurs, and businesses build scalable mobile and web applications using Flutter, React, Next.js, Node.js, and Firebase. Over the last 10+ years, I have worked on MVPs, SaaS platforms, marketplaces, booking systems, healthcare applications, and custom business solutions. My focus is not just writing code it's building products that are fast, maintainable, and ready to scale. Services I offer: • Flutter Mobile App Development (iOS & Android) • React & Next.js Web Applications • SaaS & MVP Development • Firebase & Backend Integration • REST API Development & Integration • Authentication & Payment Gateway Integration • Performance Optimization & Bug Fixing • Application Modernization & Feature Development I believe successful products are built on three things: clean architecture, great user experience, and reliable execution. Whether you need a complete product built from scratch or an experienced developer to improve an existing application, I can help. Tech Stack: Flutter • Dart • React • Next.js • Node.js • Firebase • JavaScript • TypeScript • REST APIs • PostgreSQL • MongoDB Let's discuss your project and build something users love.
Carina Softlabs Private Limited
Associated with
Carina Softlabs Private Limited
$600K+
earned
Shrejash C.
$25/hr
100% Job Success
$100K+ earned
Available now
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If you have a business idea and you want to convert it into a mobile application, I would like to help you. I have 12+ years of experience in mobile app development. Expert in Swift, SwiftUI, Objective-C and Flutter. Please check the client's feedback: "It was a pleasure to work with Shrejash! He demonstrated his expertise in iOS; showed strong initiative on the project; excellent in communicating progress and presented any questions quickly so we could meet our deadline. He was always available when we needed him, and transparent when he had questions or issues. The app he built was produced exactly to the specifications – nothing missing, and each part thoroughly tested and polished. I would happily hire him again." Following are some kinds of projects that I have successfully completed:- - Product-based - E-commerce - Photo and Video - GPS based apps - Social networking apps - Enterprise apps - Medical apps - Utility apps My strong points: - Strong written and verbal English - Sound technical knowledge - Great communication skills - Top rated developer on Upwork - Very good reviews by clients
Harsh K.
$30/hr
100% Job Success
$100K+ earned
Offers consultations
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🎮 Game Designer & Developer | 12+ Years Experience | 50+ Titles | Millions of Players Gaming isn’t just my profession — it’s my passion. With over 12 years in the gaming industry, I’ve designed and developed 50+ titles across mobile, web, console and Pc, reaching millions of players globally. I specialize in creating immersive, high-quality games across all genres and styles. 🕹️ Genres I’ve Worked On: Casual Games | First-Person Shooters | Hypercasual | Card Games | Sports Games | Board Games | 2D & 3D Games | Arcade Games 💡 Services I Offer: ✅ Unity 3D Game Development (Mobile & Desktop) ✅ Multiplayer Game Development (Real-time & Turn-based) ✅ Web Games using Flutter and Unity WebGL ✅ Game Design (Mechanics, Monetization, UI/UX) ✅ Level Design (User Flow, Challenge Curve, Progression) ✅ Board Game Design & Development (Digital & Physical Prototypes) From rapid prototyping to polished final releases, I deliver games that are fun, functional, and made to scale. Whether you're building a quick-play hypercasual or a complex multiplayer experience — I'm here to help bring your vision to life. Let’s create something players won’t forget. 🚀
Raman B.
$25/hr
100% Job Success
$80K+ earned
Available now
Offers consultations
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𝗠𝗼𝗯𝗶𝗹𝗲 + 𝗠𝗩𝗣 + 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 I help startups and businesses build powerful mobile apps for iOS and Android with built-in AI capabilities using OpenAI, ChatGPT, and modern mobile technologies. With 12+ years of experience and $80K+ earned on Upwork, I specialize in developing scalable MVPs, SaaS applications, and AI-powered mobile products that are fast, reliable, and ready for real users. What I can help you with: • Flutter apps (iOS & Android) • Native iOS (Swift, SwiftUI) and Android (Kotlin) • ChatGPT / OpenAI integration (chatbots, AI assistants, content generation) • AI features: speech-to-text, text generation, image generation, automation workflows • Firebase, REST APIs, payment integration, push notifications • End-to-end MVP development (idea → launch → App Store) Why clients work with me: • Top Rated with 100% Job Success • Strong communication and fast response • Clean, scalable architecture • Focus on business goals, not just code • Long-term support and improvements I’ve worked with startups, founders, and growing businesses to turn ideas into successful AI-powered mobile apps. If you’re planning to build a mobile app with AI or add ChatGPT features to your existing product, feel free to message me, I’d be happy to discuss your project. Let’s build something smart! Raman (TOP RATED EXPERT)
Seraphic Infosolutions Pvt. Ltd.
Associated with
Seraphic Infosolutions Pvt. Ltd.
$100K+
earned
Iftekhar Q.
$30/hr
100% Job Success
$300K+ earned
Available now
Offers consultations
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My core competency lies in iOS mobile app development. I build nice and fast applications that uses iOS/iPadOS and watchOS; I use cutting edge technologies and latest versions of the SDK while keeping compatibility with older versions of iOS and iPhones. I have more than 12+ years of flawless experience in iOS development (Objective-C and Swift and SwiftUI experience with solid background in analysis, design, development and implementation of iPhone and iPad applications. I write clean and modular code, you can review my code on Github:- Username: hackiftekhar (Just open Github website and add my username after / slash, Upwork doesn't allow URL in Bio) - Developed an open source library IQKeyboardManager: 16,000+ stars on Github - Total 8+ years of iOS development experience - Worked more than 10,000 hours on Upwork - Member of Talent Cloud Mobile Developers (Premium) - Pro developer on Upwork I can work individually and also with the team following AGILE, I'm a good team player and love to collaborate with product guys and fellow developers to prepare Jira Stories and groom them. I've worked with different teams around the world and been part of many enterprise levels apps which has millions of users. My skills and experiences are as follows: -------------------- Languages --------------------  Objective-C  Swift  SwiftUI -------------------- iOS Native --------------------  iPhone/Apple Watch/iPad  Realm, Core Data, SQLite  SwiftUI, ARKit, OCR, MapBox  IoT, BLE (Bluetooth low energy device), Beacons integration  Audio and Video frameworks  Automation: CI/CD Tools  Braintree Payments, Paypal, Stripe and Dwolla integration  Build Sharing: Testflight, HockeyApp, DeployGate and Diawi  Google, Flurry, Facebook, Fabric and Mixpanel Analytics  In-app purchase, Local & Push Notification, iCloud Looking for a long-term opportunity to handle project individually or join team. I would love to provide my services on a good idea to make a great product. Iftekhar Qurashi Mobile Architect
$40/hr
100% Job Success
$100K+ earned
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Hi, I'm a software engineer with more than 12 years experience. I have a Bachelors and Masters degree in Management and Automation of Computer Systems of Kharkiv National University of Radio and Electronics (KhNURE). I'm a full-stack developer realizing projects on a turn-key basis. Experienced in creating games and XR applications using Unity and Unreal Engine for a wide range of platforms, as a Microsoft Hololens, Magic Leap, HTC Vive, Oculus, IOS and Android. As a task-tracking system I use Jira, and also can consider all your options. All project source code is uploaded on Git repostiry with a full access for you. I respond swiftly to all new messages and don't mind if you ping me thoughts and new ideas at all hours. I'll always get back as quickly as I can. You'll find an hour of my time can be 10x as productive as hiring a junior developer. I guarentee and stand behind all my work 100% Soft Skills: A confident, persistent person, guided by a logical reasoning. Have a strong coordination and time-managment skills and can organize a brainstormig proccess and reach an objective solution. Hard Skills: - С# and Unity - C++ and Unreal Engine - Graphics (lighting, shaders, post process effects) - Software design - Game design - Debugging and optimization
Usman A.
$25/hr
100% Job Success
$90K+ earned
Available now
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Profile Achievements:- ✓ 100% Job Success Rate ✓ Top Rated Profile ✓ Over 7 years in Android + App Development ✓ Cross Platform & Native App Development With 7 years of experience in mobile app development, I have gained strong expertise in developing high-performance native applications for iOS (Swift) and Android (Kotlin/Java). I develop scalable, and robust apps that meet businesses needs while ensuring optimal user experience. I've worked with startups and enterprise-grade solutions, delivering robust and future-proof applications. Key Expertise:- ✅ Native iOS Development (Swift, Objective-C) ✅ Native Android Development (Kotlin, Java) ✅ UI/UX Optimization (Custom components, animations, accessibility) ✅ Backend Integration (Firebase, REST APIs, GraphQL, AWS Lambda) ✅ Real-Time Features (WebSockets, push notifications, Firestore) ✅ Payment & E-Commerce Integration (Stripe, PayPal, Apple/Google Pay) ✅ App Security & Data Protection (OAuth, JWT, biometric authentication) ✅ App Performance Optimization (Lazy loading, caching, memory management) Big 2 Projects:- FinTech Banking App: (iOS & Android) - Developed for a leading financial institution, handling transactions for 500K+ users. - Integrated real-time payments, multi-layer authentication, AI-driven financial insights. - Achieved 99.9% uptime and 40% faster transaction processing. Health & Fitness Application: (Swift & Kotlin) - Built an AI-powered fitness tracking app with personalized workout recommendations. - Developed a custom motion tracking algorithm using device sensors (Gyroscope & Accelerometer). - Successfully scaled the app to 250K+ active users, driving engagement with gamification features. Development Approach & Workflow 📌 Agile Development: Sprint-based execution with CI/CD pipelines (Jenkins, GitHub Actions). 📌 UI/UX Design: Prototyping in Figma, Sketch, followed by performance tuning. 📌 API-First Development: Seamless backend connections with REST, GraphQL, Firebase. 📌 Automated Testing & Deployment: Unit/UI testing with XCUITest, Espresso, Firebase Test Lab. 📌 Post-Launch Support: Monitoring, updates, scalability improvements for future growth. Tech Stack & Tools: Technologies: Swift, Kotlin, Java, Firebase, GraphQL, REST APIs, AWS, Google Cloud. Dev Tools: Git, Bitbucket, Docker, Fastlane, Postman. Frameworks: Jetpack Compose, SwiftUI, Alamofire, Retrofit, RoomDB. Platforms: iOS, Android, App Store, Google Play, AWS, Azure. Let's connect for a quick exploratory chat to kickoff with your idea into mobile app! Keywords: Mobile App Developer, Android, iOS, React Native, Flutter, Kotlin, Swift, Dart, Cross-Platform Apps, Native Development, Firebase, Firestore, Realtime DB, Node.js, Express.js, REST API, GraphQL, OAuth, SQLite, MongoDB, Stripe, PayPal, Apple Pay, Google Pay, Git, GitHub, CI/CD, Google Play, App Store, Agile, Scrum, App Optimization, ASO, Crashlytics, BLE, Geolocation, AR, Video Streaming, WebSockets, Social API Integration, Google Cloud, AWS, Jetpack Compose, Hilt, Dagger, Coroutines, Room DB, MVVM, Clean Architecture, Unit Testing, SDK Integration.