Hire the Best Apple iMovie Specialists
in Poland

I’m a senior iOS developer with 7+ years of experience building, auditing, and scaling iOS apps—from aviation tools for pilots to fintech, healthcare, and green-tech platforms. I specialize in Swift, SwiftUI, and modern iOS architectures (MVVM, VIPER, Combine), and have a track record of delivering fast, secure, and App Store-ready apps. I can help you: • Build new iOS apps from scratch using Swift & SwiftUI • Audit and improve app performance, UI/UX, or architecture • Debug critical issues and optimize code quality • Consult on design and strategy before or during development Recent highlights: • Improved load times by 30% for Duolingo through code refactoring • Developed a flight navigation app used by pilots for Lufthansa Systems • Built green mobility app “iRiide” with Firebase backend and custom dashboard • Secured 10,000+ downloads for a cryptographic app with custom encryption You’ll get: ✔ Clear, timely communication (English fluency, async-friendly) ✔ Clean, maintainable code with testing and documentation ✔ Experience across time zones and fully remote workflows Let’s build something exceptional together—or make what you already have even better.

Hi 👋 I am an iOS developer with about 3 years of experience. I've been involved in many aspects of creating and maintaining applications, such as analysis, implementation, user interface design patterns and principles, writing unit tests, code reviews and etc. Tech stack: iOS, tvOS; Swift; Xcode; Combine, RxSwift, GCD; MVC, MVVM, MVP, VIPER, CleanSwift; UIKit, SwiftUI; TinyConstraints, SnapKit; Realm, Firebase, CoreData; REST, GraphQL; Fastlane, TestFlight distribution; CocoaPods, SPM, Carthage; SwiftGen, SwiftLint, SwiftFormat; CI/CD; XCTest; Git.

I'm an iOS Developer with 8+ years of commercial experience. Knows Swift and Objective-C languages. Have experience with Video Streaming, AVFoundation, ARKit, Native Spatial audio all of the Architecture Patterns, all popular Design Pattern, UIKit, SwiftUI, Texture(AsyncDisplayKit), KHKit.

Welcome! I’m a Senior iOS Engineer with 5+ years of experience and a proven track record, having worked on 10+ projects from scratch and as a key team member on large-scale apps like Obimy (8M+ downloads and top 100 in SocialMedia category). I focus on building robust, scalable iOS apps using the latest tech stack and industry best practices. Tech Stack: Swift, SwiftUI, Combine, MVVM+C OpenAI, Firebase, Realm, CoreData, CloudKit, Lottie, Alamofire, GraphQL, WebRTC, WebSocket, RevenueCat, Superwall, GoogleMobileAds, MobileVLCKit, GoogleCast, Lokalise, netfox, Adjust, Amplitude, PushNotifications, etc. Services: =====Consultation==== In-depth technical advice on app architecture, design patterns, and best practices for iOS development. =====MVP Development===== Build your Minimum Viable Product from scratch, providing end-to-end development with a clean, scalable codebase. =====Feature Implementation===== Add new features to your app, such as notifications, in-app purchases, or third-party integrations like payment gateways. =====Code Refactoring & Audits===== Review and optimize your codebase for performance, scalability, and maintainability. And much more else! 📱

Currently I provide software development services of photo and video editing applications for iOS, iPadOS, macOS and visionOS. I offer the development of video and photo editing application from scratch or upgrading the existing app. For my solutions I use Swift and Objective-C programming language. The typical tasks which any video editing app consists are: – Video recording – Video stabilisation when recording – The screen capture at desired FPS – Video editing – Video generation (without source video file) – High FPS, 4K and HDR video edit and recording – Frame-by-frame video pipeline processing – Speech to text recognition – Video captioning and subtitles Functions that could be added to the new app or existing app – Reverse video – Crop & resize – Aspect ratio change – Change quality – Trim the video – Subtitles and captions – Stickers over video – Add watermark – Filter effects – Images to video – Audio overlay Let me know whether you have any questions about my solutions, tasks and functions that we could add into your app. Find and download the following apps in the AppStore as a demonstration of proof of experience: – Scrolling Credits Video – SubtitlerKit – Split Video Into Parts – Video Grid Collage _ Besides of video editing software experience, I have the experience in the development, support and maintenance of iOS software that is used by millions of people. I saw all the way how the project grows and turns from a startup to a big company. I understand the problems of both a small startup and a large company. My main services are: – The development of video recording and video editing applications for Apple devices – iOS, macOS, iPadOS and visionOS application development based on SwiftUI and Combine – The support of legacy applications and projects that were done in Objective-C programming language What will you get – Analysis of your problem and task – Working proof of concept in a week or a month depending on the complexity – Constant and clear communication on work and issues During all the time I had experience with: – Developing of iOS, Mac and MacCatalyst applications – C, C++, Objective-C, Swift – CoreData, SQLite, SQL – GCD, Mulththreading – Core Audio, AudioUnits, AVFoundation, AVKit, AVAudioEngine – AudioKit – GPUImage, Metal, MPS, CoreImage – CallKit, CoreTelephony – CoreText – SwiftUI, Combine – MapKit, MapBox, GoogleMaps – iOS Extensions – Debugging – CocoaPods, Carthage, SPM – JIRA, Trello, Slack, Figma – Scrum, Kanban, Agile – GIT, GitHub, BitBucket – MVVM, MVC – Data structures & Algorithms – Firebase, Testflight – Twilio SDK

Struggling to launch or scale your Apple-native app without technical debt? My name is Seraphim, a Senior iOS Developer with 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬 experience, having shipped 𝟐𝟎+ 𝐡𝐢𝐠𝐡-𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐚𝐩𝐩𝐬 across iOS, macOS, and watchOS that are fast, polished, and seamlessly integrated into the Apple ecosystem. 📱 𝐇𝐎𝐖 𝐈 𝐂𝐀𝐍 𝐇𝐄𝐋𝐏 𝐘𝐎𝐔 𝐄𝐧𝐝-𝐭𝐨-𝐄𝐧𝐝 𝐢𝐎𝐒 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • Building high-quality native apps for iPhone, iPad, Apple Watch, and Mac with clean, scalable code. 𝐀𝐩𝐩 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 & 𝐂𝐨𝐝𝐞𝐛𝐚𝐬𝐞 𝐑𝐞𝐯𝐢𝐞𝐰𝐬 • Expert guidance on architecture, code quality, and technical debt reduction for existing projects. 𝐒𝐰𝐢𝐟𝐭𝐔𝐈 & 𝐔𝐈𝐊𝐢𝐭 𝐔𝐬𝐞𝐫 𝐈𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞𝐬 • Designing Apple-native, polished UX strictly following Human Interface Guidelines. 𝐀𝐩𝐩 𝐒𝐭𝐨𝐫𝐞 𝐒𝐮𝐛𝐦𝐢𝐬𝐬𝐢𝐨𝐧 & 𝐂𝐨𝐦𝐩𝐥𝐢𝐚𝐧𝐜𝐞 • Handling app deployment, store compliance, localization, and accessibility support. 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 • Implementing Apple Pay, in-app purchases, Firebase, and companion app support for watchOS and macOS. ============================ 🌟 𝗪𝗛𝗔𝗧 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗦𝗔𝗬 🌟 ❝Working with Seraphim has been an absolute pleasure. His iOS development skills are top-tier—precise, efficient, and consistently reliable. He delivered high-quality work, communicated clearly, and always approached challenges with a problem-solving mindset. We feel incredibly lucky to have had the opportunity to work with him and would gladly do so again. Highly recommended for any iOS project.❞ – Client ❝Seraphim is an absolute stud. He single-handedly built our app, and took it from concept to production in a matter of months, serving tens of thousands of users. Beautiful attention to detail, and a huge joy to have on the team. He cares deeply about his work and teammates, is a true professional, and stays up-to-date with the latest in iOS. You'd be stupid not to hire Seraphim.❞ – Client ❝Seraphim was phenomenal to work with. He took over for a prior developer and immediately picked up where the project left off, without a hitch. His expertise in Swift and iOS development is second-to-none, and I am in constant awe of the solutions he's produced to solve the unique challenges I've sent his way. He met all deadlines I set while being very communicative of progress. Seraphim was always quick to hop on a conference call to discuss any problems I ran into, and was patient with me through to the end. It was a pleasure working with him, and I am eager to work with him again in the future.❞ – Client ============================ ============================ 🤝 𝗟𝗘𝗧'𝗦 𝗕𝗨𝗜𝗟𝗗 𝗬𝗢𝗨𝗥 𝗔𝗣𝗣 Have an iOS project or need expert advice? 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 𝘁𝗼𝗱𝗮𝘆 for a free consultation and clear path to a polished Apple-native app. I typically respond within 6 hours and prioritize timely, professional communication. ============================ 🛠️ 𝐓𝐎𝐎𝐋𝐒 & 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐘 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 & 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 • Swift • SwiftUI • UIKit • Combine • SwiftData • ARKit • Vision 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 • iOS • iPadOS • macOS • watchOS 𝐓𝐨𝐨𝐥𝐢𝐧𝐠 & 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 • Xcode • Git • Fastlane • TestFlight • Firebase • Jenkins (CI/CD) 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 & 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 • MVVM • TCA • VIPER • Coordinators • Protocol-Oriented Programming • XCTest • Swift Package Manager (SPM) 𝐀𝐩𝐩 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 • StoreKit • Apple Pay • In-App Purchases • RESTful API • Localization & Accessibility 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 & 𝐑𝐞𝐥𝐞𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 • App Store submission • CI/CD pipelines • Code review • Technical debt management iOS Development, Swift, SwiftUI, UIKit, WatchOS, Core Data, StoreKit, Firebase, Apple Xcode, Mobile App Development, AI and Agentic coding, Claude Code