Hire the Best iOS Developers
in Ukraine

Dedicated iOS Developer specializing in Swift. I combine a Computer Science background with a strong commitment to delivering engaging, high-quality mobile solutions. Let's collaborate to build your next amazing application.

Senior iOS Developer with 13+ years of experience in mobile application development. Specialized in Swift, SwiftUI, UIKit, and multithreading (GCD, Operations, Swift Concurrency). Experienced in implementing complex architectures (MVVM, VIPER) and optimizing performance for applications with an audience of over 5M users. Skilled in integrating with REST and GraphQL APIs. Proven track record in leading small teams and mentoring developers. • Led the development of a mobile application that reached 5M+ monthly active users. • Improved application performance by 20% through deep code optimisation and effective memory management. • Successfully delivered and launched over 15 high-load mobile applications to the App Store. • Built a smart home control app used by 20K+ active users, increasing user retention by 35% through UX improvements. • Developed solutions with RTMP streaming, Core Bluetooth, and 3D printer control capabilities. • Managed cross-functional teams of up to 5 developers, ensuring on-time delivery and high product quality. Personal skills: responsibility, diligence, punctuality, honesty, commitment, desire for self-development, fast learning, communicative

I’m a Senior iOS Developer with more than 10 years of experience creating user-focused mobile products from concept to release. I collaborate closely with product teams to deliver intuitive, high-quality applications for diverse audiences. Programming languages - Swift - Objective-C Frameworks - SwiftUI - Combine, RxSwift - MVVM, MVP - SPM, Cocoapods Databases - Coredata - MySQL Tools - Xcode - Firebase Crashlytics - Git - Fastlane, Bitrise, Xcode server PM methodologies: Agile, Kanban, Scrum Whether you’re starting a new app or improving an existing one, I’m ready to help bring your product forward. Let’s connect.

Greetings! My name is Data. I'm a skilled and reliable native iOS developer for over 6 years now. I care about the architecture of the app, clean code and task prioritization. I responsibly assume the challenges and goals that are assigned to me and solve problems efficiently. My primary goal is to understand what my client needs and find the best possible solution. I do believe that solid, constant communication is the key to a successful project. Please feel free to contact me and have a nice day.

I'm a senior iOS developer with more than 20 years programming background. I experienced in full-cycle mobile development including architecture design. As an advantage, I have strong skills in network and low-level programming, that helps me write maximum effective code where it needed. My practice caver other platforms like Android, back-end using Ruby On Rails and React Native for mobile. During last 15 years, I working on high-quality iOS applications for different industries, including medicine, marketing, advertisement, etc as a developer, team-lead, and project manager. Last 8 years - as a freelancer on UpWork. It's important to me to create supportable and upgradable applications. I prefer to build long-term relations with my customers. When they come back to add support for new mobile devices or new features - I always glad to see that application continue its life. I'm open to working as a part or lead of the team or as an individual developer.

👨‍👩‍👦‍👦 Kids: 4. 🐕Dogs: 2. 📱 Mobile Apps: 80+. 🏥 I build great healthcare apps. My handwriting is like a real doctor's. ⏰ Deadlines - never missed. Family birthdays... - sorry, Mom. --- I am mobile app developer with 14+ years of mobile app development, 80+ apps shipped, and a Flutter app past 2M+ users. ⭐ Top Rated on Upwork since 2018 · 5.0 on Clutch · 4.93 on GoodFirms If you're starting a Flutter app from scratch, I take it from concept to the App Store. If your iOS or Android app has stalled, I get it shipping again. If a previous mobile app developer missed what you needed, that's where I usually come in. 𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗴𝗲𝘁 ✔️ As a Flutter developer I ship one codebase to iOS and Android at once, up to 40% cheaper than two native builds. ✔️ I am mobile app design and mobile app development specialist. No handoffs, no two contractors blaming each other. ✔️ Healthcare apps that pass HIPAA and GDPR. Logistics apps that keep working when the signal drops. ✔️ Hire the wrong mobile app developer and the scope gaps surface at the first build. I flag them earlier, and clients have brought me in to redo exactly that. ✔️ 80+ apps in, I have already hit the problems your build will run into. One app I built passed 2M+ users. Send me what you're building and I'll reply with a scope estimate and the first technical decision I'd settle. Best, Stan ————— Selected work and skills: HEALTHCARE APP DEVELOPMENT, 25+ projects - I am Healthcare App Developer with 5,000+ secure patient transfers a year across a 25+ vehicle fleet and a 24/7 control room. - I am HIPAA Developer with secure PHI handling for 5,000+ patient records - HL7 FHIR syncing records across 3 hospital systems - GDPR compliance on 100% of builds - Healthcare Apps prompting status updates every 30 minutes across 4 job levels - Healthcare SaaS development, Secure Care UK: replaced a third-party subscriber platform, cutting running costs $3,000+ a month. - I am Full Stack Developer Healthcare, Secure Care UK across web and mobile: 5,000+ transfers coordinated from one system. - I am Flutter developer, Patient Gateway UK medical transport: Firebase sync and real-time driver tracking with dispatch updates under 5 seconds. - Flutter Developer, Rheo health wearable: 5 vital-sign categories streamed over LTE in real time, secure PHI handling tested across iOS, Android, and web. - Mobile App Developer, fertility health app: bug-free rate raised 85% to 96% in a two-week retest, delivered in 3 months against a 4-month estimate. LOGISTICS APP DEVELOPMENT, 20+ projects - I am Logistics App Developer with last-mile delivery app: satisfaction raised 35% to 85%, wait times cut 34% in low-signal areas, 12 partners signed in 3 months. MOBILE APP DEVELOPMENT, 80+ apps - Flutter developer, mobile app development: 30+ Flutter projects, build cycles cut 50% and costs 40% vs native with Flutter development. - Flutter App Developer: 2 app stores from one Flutter codebase, 50,000+ installs in year one. - Mobile App Developer, Quran learning app: 2M+ users, rebuilt in 4 months. - Flutter Developer, train ticketing app: shipped in 6 months against a 7-month deadline, NFC storing 5 tickets offline across 20 screens. - iOS Developer and Swift iOS Developer: native iOS apps shipped since 2012 in Swift, one rebuilt to full feature parity in 8 weeks. - Android App Developer: rebuilt an unstable Android app, crashes cut 90% and rating lifted to 4.7. - Mobile app developer, Android Developer and Mobile Developer: native and cross-platform mobile development across 80+ apps. FULL STACK - I am Full Stack Developer: 150+ products shipped end to end, frontend, backend, and database. - Full Stack Mobile Developer: frontend plus backend on 30+ products, delivered end to end. MOBILE APP DESIGN, 40+ designs - I am Mobile app designer, mobile app design expert: 70+ wireframes and 40+ mobile app designs, engagement up 40%. - Mobile UI UX Design: consistent UI across both platforms on 40+ screens, task completion up 30%. - Mobile App UI UX Design in Figma: Figma App Design and Figma Mobile App Designer work across 35+ flows. REACT NATIVE - As a React Native Developer running React Native Development, I have shipped 10+ React Native apps live on the App Store and Google Play. That work spans React Native Developer Expo, React Native App Developer, and React Native Expert roles, covering React Native Expo, React Native iOS, React Native Firebase, and React Native UI UX builds, and it lifted repeat usage 12-19%. Elsewhere, as an AI App Developer and AI Mobile App Developer, my AI Mobile App Development adds on-device intelligence that cut manual work 60%. As a FlutterFlow developer I turn out prototypes 3x faster in FlutterFlow, and as a Full Stack App Developer I run Python and Wordpress backends alongside React Native and mobile React apps across 30+ products. iOS Development, Android App Development, Swift, Node.js, PHP, JavaScript, Java, Desktop Application, Web Design.