Defined and implemented architectural solutions across a diverse portfolio of iOS applications, including games, utility apps, travel solutions, document scanners, VPN services, casino products, and personal finance applications. Applied and maintained various architectural patterns such as MVVM, VIPER, The Composable Architecture (TCA), and Clean Architecture to ensure scalability, maintainability, and high code quality. Developed applications using both UIKit and SwiftUI, integrating a wide range of third-party services and frameworks including Firebase, Facebook SDK, AppsFlyer, Google AdMob, GraphQL, StoreKit, WebView, WebSockets, OneSignal, PushExpress, GrowthBook, MapKit, CoreData, and SwiftLint. Established structured development workflows, prepared technical documentation, and maintained project knowledge bases in Confluence while managing development processes through Jira. Contributed to product planning, feature design, and implementation of reusable technical solutions shared across multiple projects. Collaborated with App Store Review by preparing appeals, resolving submission and compliance issues, and addressing platform-specific moderation requirements. Conducted regular code reviews, enforced coding standards, mentored developers, and provided technical guidance on architecture, performance optimization, and best development practices. Collaborated within Agile development teams, following Scrum methodologies and iterative delivery processes.

Developed an immersive aircraft cockpit simulation application for iPad and visionOS using SwiftUI, UIKit, RealityKit, and ARKit. Designed and implemented a custom scalable architecture to support complex spatial interactions, immersive navigation, and long-term maintainability of the codebase. Built a multi-panel cockpit interface, spatial avionics interaction layer, and interactive 3D cockpit controls with entity-based tap handling and advanced spatial interaction logic. Developed modular scene management for large USD-based environments, custom camera orbit navigation, avionics display systems, and interactive checklist guidance overlays integrated with cockpit functionality. Leveraged modern Swift Concurrency (async/await) for asynchronous data processing and seamless interaction between application modules. Integrated AWS-backed services and Realm for local data persistence, synchronization, and efficient state management. Optimized rendering performance, memory consumption, and spatial UI responsiveness for large-scale immersive environments across both iPadOS and visionOS platforms. Engineered a reusable entity-driven interaction framework enabling scalable navigation and control across complex 3D scenes. Collaborated closely with designers, QA engineers, and product stakeholders throughout the development lifecycle. Conducted code reviews, participated in architecture discussions, maintained high coding standards, and contributed to technical decision-making. Performed feature validation, debugging, performance profiling, and testing to ensure application stability, reliability, and production readiness across supported platforms.

Maintained and enhanced a portfolio of iOS applications focused on traffic arbitration, consumer products, and App Store Connect automation. Oversaw the full application lifecycle, including feature delivery, release management, App Store submissions, and communication with App Store Review. Architected and maintained scalable, modular iOS applications using MVVM+C, MVP, ReSwift, TCA, and custom architectural approaches. Leveraged Combine and RxSwift for reactive programming, CoreData and Realm for data persistence, and Alamofire for networking. Integrated Firebase, AppsFlyer, Facebook SDK, OneSignal, AdSupport, and WebView-based solutions to support analytics, attribution, remote configuration, monetization, and user engagement initiatives. Implemented remote configuration, analytics, feature flags, and A/B testing solutions to support data-driven product decisions and improve conversion metrics. Worked within Agile Kanban environments, contributing to backlog prioritization, technical planning, and continuous delivery processes. Conducted code reviews, participated in architecture discussions, collaborated closely with QA, product, and design teams, and contributed to application stability, performance optimization, and overall code quality.

Contributed to the development and evolution of a fitness application and several consumer-facing iOS products. Implemented Bluetooth Low Energy (BLE) integrations using CoreBluetooth for communication with fitness and health-related devices, including device discovery, connection management, data synchronization, and real-time sensor data processing. Delivered scalable and maintainable solutions while collaborating with cross-functional teams throughout the product lifecycle. Applied MVVM architecture to build clean, testable, and modular codebases. Leveraged SwiftUI, RxSwift, and Combine to implement responsive user experiences and efficient state management. Integrated payment and subscription solutions, including Stripe, Portmone, StoreKit, and In-App Purchases, as well as analytics, attribution, and engagement platforms such as Firebase, Affise, AdMob, and OneSignal. Utilized GraphQL (Apollo), AWS, CoreData, Twilio, MapLibre, and Charts to support data-driven features, real-time communication, mapping functionality, and data visualization. Participated in code reviews, feature planning, testing, and performance optimization while contributing to application stability, code quality, and successful feature delivery within Agile development environments.

Delivered new features and enhancements for customer-facing iOS applications of leading brands, including Planeta Kino, Goodwine, and Bad Boy. Supported e-commerce operations, ticket booking flows, loyalty programs, product catalog experiences, and content delivery functionality. Implemented scalable solutions based on MVVM+C architecture, maintaining clean, modular, and maintainable code. Leveraged GraphQL, CoreData, Reachability, and WebView technologies to build reliable datadriven experiences with offline capabilities. Integrated payment and purchase flows using Portmone, PassKit, and SwiftyStoreKit, while enabling customer engagement through Firebase Cloud Messaging and MarketingCloudSDK push notification platforms. Monitored application stability and production performance using Firebase Crashlytics, proactively identifying and resolving issues affecting user experience. Utilized MapKit and Core Location to implement location-aware features and personalized customer experiences. Feature planning, testing activities, and cross-functional collaboration with product, design,

Engineered a branded educational platform for creators and academies, delivering features for video courses, workshops, mentoring sessions, comments, media galleries, and real-time user interactions. Implemented scalable solutions based on Clean Architecture and ReSwift, ensuring maintainable, modular, and testable code. Utilized a hybrid UIKit and SwiftUI approach to support modern user experiences while maintaining compatibility with existing application components. Integrated payment processing through Portmone, real-time functionality using Firebase Realtime Database, authentication workflows, dynamic links, and media-rich experiences powered by AVFoundation, Kingfisher, Hero, and Lightbox. Designed and implemented custom authentication and user management flows, including registration, login, password recovery, profile management, and secure session handling. Integrated Firebase Authentication, Dynamic Links, and secure credential storage using Keychain. Developed location-aware functionality using MapKit, MapLibre, and Mapbox, while leveraging Realm, URLSession, and Moya for efficient data management and networking. Ensured secure data storage through Keychain and maintained high application quality through testing, code reviews, debugging, and TestFlight release cycles.

Played a key role in building an internal logistics platform used by European truck drivers and dispatchers to manage issue reporting, client communication, vehicle damage documentation, and equipment tracking processes. Established a modular MVVM-based architecture that supported longterm scalability, maintainability, and efficient feature delivery. Created structured workflows for incident reporting, photo-based documentation, equipment logs, and operational process automation. Leveraged UIKit, CoreData, URLSession, and GCD to provide reliable data synchronization and offline functionality in low-connectivity environments. Integrated Firebase Crashlytics and Firebase Messaging to improve application stability, monitoring, and communication through push notifications. Contributed to code reviews, testing efforts, debugging activities, and performance optimization initiatives to maintain a high-quality and reliable product. Utilized Nimble for validating businesscritical workflows and ensuring feature reliability. Partnered directly with English-speaking customers and business stakeholders, gathering requirements, clarifying technical details, and translating operational needs into actionable development tasks. Served as a communication bridge between clients and engineering teams, helping align technical solutions with business objectives.