Nikita

NIKITA OMELCHENKO
iOS Developer

Location: ​ Munich, Germany | Kyiv, Ukraine
E-mail: ​ [відкрити контакти](див. вище в блоці «контактна інформація»)
Phone: ​ [відкрити контакти](див. вище в блоці «контактна інформація»)
Date of Birth: ​ August 5, 1992

PROFESSIONAL SUMMARY
An experienced iOS developer with over nine years' experience in designing, developing and maintaining
high-quality mobile applications. Proficient in using modern iOS development tools and frameworks, such
as Swift, SwiftUI, UIKit and Combine, to improve application performance and shorten time to market. I
have a proven track record of implementing robust architectural solutions such as VIPER, MVVM and
Clean Architecture, which streamline development processes. I have a proven track record in mentoring
junior developers and leading cross-functional teams to deliver successful projects. I am intense about
leveraging AI and cutting-edge technologies to deliver exceptional user experiences, and I am committed to
staying updated with the latest industry trends and technologies to ensure the delivery of high-quality
applications.

CORE TECHNICAL SKILLS
Programming Languages: ​ Swift 5/6, Objective-C
Architecture Patterns: ​ MVVM, VIPER, MVP, Clean Architecture, Protocol-Oriented Programming
UI Frameworks: ​ ​ SwiftUI, UIKit, SnapKit
Data Management:​ ​ Realm, CoreData, SwiftData, UserDefaults, Keychain
Networking & APIs: ​​ URLSession, Alamofire, RESTful APIs, Sockets
Testing & Quality: ​ ​ XCTest, SwiftTesting, AI generated Tests, Unit Tests, Code Review
DevOps & CI/CD: ​ ​ Xcode Cloud, GitHub Actions, Fastlane
Tools & Frameworks: ​ Xcode, Git, CocoaPods, SPM, MapKit, Firebase, Combine, SwiftLint,
SwiftGen, XcodeTemplates, Swift Concurrency, async/await, DI
AI Tools: ​ ​ ​ Claude Code, SwiftLens MCP, AppleDocumentation MCP
Performance: ​ ​ Xcode Profiling Instruments, Firebase Analytic, MetricKit, Sentry

EDUCATION
Bachelor's Degree in Software Engineering ( September 2015 - May 2017 | Zaporizhzhya, Ukraine )
Zaporizhzhya Institute of Economics and Informational Technologies

LANGUAGES
•​ Ukrainian, Russian - Native proficiency
•​ English - Professional working proficiency (B2)
•​ German - A2 (Currently learning German to B1)

LINKS
GitHub | LinkedIn

PROFESSIONAL EXPERIENCE
Drum’N’Code | iOS Developer ( November 2020 - December 2024 (Full time) | Ukraine, January 2025 - Present
(Part time) | Remote )
•​ Led iOS development team, providing mentorship and technical guidance to junior developers
through code reviews and pair programming, contributing to their skill advancement and
professional growth
 •​ Architected and developed video networking application from initial concept through to successful
App Store publication, implementing modern Swift frameworks
•​ Conducted comprehensive application profiling using Instruments, identifying and resolving
performance bottlenecks that improved application responsiveness
•​ Established foundational architecture frameworks for multiple applications, ensuring code reusability
and maintainability across projects
•​ Implemented continuous integration and continuous delivery pipelines using Xcode Cloud,
streamlining release processes
•​ Developed comprehensive solutions package including reusable components, code templates, and
generation tools, accelerating team development velocity
•​ Collaborated with cross-functional teams including designers, backend developers, and product
managers to ensure cohesive application development
Light-IT | iOS Developer ( July 2019 - October 2020 | Ukraine )
•​ Served as iOS technical lead, mentoring junior developers and conducting thorough code reviews
that enhanced code quality and team capabilities
•​ Led iOS project initiatives, implementing significant feature enhancements and comprehensive
refactoring of existing codebase
•​ Optimized application performance through systematic profiling and implementation of efficient
algorithms and data structures
•​ Collaborated with backend team to design and implement efficient API integration patterns
DBO-Soft | iOS Developer ( December 2017 - June 2019 | Ukraine )
•​ Developed comprehensive online banking application for corporate clients, implementing secure
data handling and complex business logic
•​ Architected secure data solutions including encryption, private key generation, and digital signature
functionality for banking transactions
•​ Implemented sophisticated database architecture, ensuring data integrity and offline functionality
•​ Integrated complex features including bank location mapping, push notifications, document
management, and theme customization
•​ Collaborated closely with security team to ensure compliance with banking industry security
standards and regulations
Uran | Trainee iOS Developer ( September 2015 - September 2017 | Bulgaria )
•​ Completed comprehensive iOS development training program, establishing foundational knowledge
in Swift and Objective-C
•​ Participated in team projects, learning industry best practices for code organization and
collaborative development
•​ Gained practical experience with iOS SDK, Xcode, and version control systems

KEY PROJECTS
Octopus AI Solutions Driver - Enterprise Logistics Platform
Technologies: Swift 5, iOS 17+, VIPER Architecture, Needle DI, Firebase 12.0, HERE Maps SDK, Xcode Cloud, SwiftTests
App Store: Live
Metrics: 1000+ active drivers on platform, 97.8% crash-free rate, achieved 70% Unit Tests business logic code coverage
Team: 2 iOS Devs, Android Team, Designer Team, ML Devs, BE Team, FE Team
Led iOS development from architecture design to App Store deployment for enterprise TMS platform
serving Manas Express logistics operations. Architected modular VIPER structure with Generamba code
generation, creating 20+ reusable modules reducing feature development time. Implemented document
scanning, reducing paperwork processing time from 15 minutes to 2 minutes per delivery. Integrated HERE
Maps SDK for route navigation and delivery location services. Established comprehensive analytics
tracking with Firebase Analytics wrapper for business metrics monitoring.

Kibosh VPN
Technologies: Swift 5, iOS 17+, SwiftUI, SPM, MVVM, SwiftGen, Networking Extension, Firebase, CoreData, Xcode Cloud
App Store: Live
Metrics: 100+ active users per month, 100% crash-free rate, achieved 80% Unit Tests business logic code coverage
Team: 2 iOS Devs, BE Team, Designer Team
Developed comprehensive VPN application from initial concept through App Store publication,
implementing on-demand functionality for secure network connections. Designed a profile management
system and integrated real-time network monitoring capabilities.

Pet Project | AppSecureStorage Package - Property wrapper for Keychain usage
Technologies: Swift 6.2, iOS 18+, MacOS 15+, Valet, SwiftLint, SwiftTests, Github Actions
Github: Link
Developed and published open-source Swift Package providing secure Keychain storage through property
wrapper API. Implemented type-safe storage solution supporting primitive types and Codable serialization.
Architected App Groups functionality for secure data sharing between application targets. Thread-safe
implementation utilizing Swift Concurrency Sendable protocol.

Pet Project | ASC Package - Alamofire Swift Client
Technologies: Swift 6.2, iOS 18+, MacOS 15+, Alamofire, SwiftLint, SwiftTests, Github Actions
Github: Link
Team: 2 iOS Devs
Designed and implemented protocol-oriented networking library providing type-safe wrapper around
Alamofire with declarative API. Implemented authentication infrastructure with TokenStorage protocol and
automatic token refresh interceptor handling 401 responses. Built structured error handling with 3 distinct
error types (NetworkError, ResponseError, AuthenticationError) providing precise failure diagnostics.

Learners - Social Networking Platform
Technologies: Swift 5, iOS 15+, SPM, VIPER, SwiftGen, SwiftLint, SnapKit, Alamofire, AVPlayer, Xcode Cloud, MetricKit, Sentry
App Store: unavailable
Team: 3 iOS Devs, Android Team, BE Team, FE Team, Designer Team
Designed and developed from concept through App Store publication a social networking application
featuring short-form video content from professional educators. Implemented sophisticated video streaming
architecture, user interaction features, and content discovery algorithms. Established automated
deployment pipeline using Xcode Cloud for continuous integration and delivery.

Banking Application - Financial Services Platform
Technologies: Swift 5, iOS 15+, SPM, SwiftLint, Alamofire, Keychain, Realm, XCConfig, Remote Configs
App Store: enterprise edition
Team: 5 iOS Devs, Android Team, BE Team, Designer Team
Developed a comprehensive online banking application providing corporate clients with extensive financial
management tools. Implemented secure account viewing, transaction history analysis, document
management with digital signature capabilities, bank location mapping, customizable push notifications, and
offline operational mode. Prioritized security throughout development with encryption and secure data
storage implementations.

ADDITIONAL INFORMATION
•​ Available for relocation
•​ Experienced in remote collaboration with international teams across different time zones
•​ Committed to continuous learning and staying current with latest iOS development trends and
technologies
•​ Strong problem-solving abilities with systematic approach to debugging and performance
optimization
•​ Excellent communication skills, capable of explaining complex technical concepts to non-technical
stakeholders