Віктор

.

VIKTOR
VIKTORMANDRYK
MANDRYK
IOS DEVELOPER
IOS DEVELOPER

Ukraine, Remote [відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») Telegram: @vityam05 GIT: @vityam01

SUMMARY SKILLS & QUALITIES
iOS Developer with 5 years of experience in creating robust and user-friendly mobile applications for Programming Languages/
Apple platforms. Expert in programming with Swift and designing intuitive user interfaces using Technologies
Apple's tools and technologies. Deep understanding of application architecture, including structuring • UIKit
logic, managing data flow, and ensuring maintainability and scalability. Proficient in working with • Realm Database
relational and object-based databases and third-party services. Known for creativity in problem- • Combine Framework
solving and providing clients with innovative ideas to enhance their products, ultimately driving
• Advanced Design Patterns
greater profitability and business growth
• Core Data
• Cocoa Touch Framework
EXPERIENCE
• RESTful APIs
CodeBridge • SKPayment
Role: iOS Developer • CoreAnimation
Dates: Jun 2024 – October 2024 • MVVM, MVP, MVC, VIPER
Project Overview • GCD
Developed a healthcare-focused mobile application that connected users with professional trainers • CallKit
and tracked physical activity, resulting in a 25% increase in user engagement. The app included two • AVFAudio
user roles (clients and trainers) with customized functionalities to optimize user experience. • TwilioVideo
• SwiftySound
Key Contributions
• Speech
• Built the application using Swift and SwiftUI • Stripe
• Integrated push notifications for reminders about scheduled sessions, keeping users engaged and • Google Ads SDK
consistent with their training plans. • GraphQL
• Developed a secure payment system using Stripe • Notifications
• Implemented video training sessions with a fixed duration of one hour, ensuring seamless video • Unit Testing
streaming and session management.
• App distribution
• Leveraged HealthKit and Apple Watch integration to monitor user activity, providing trainers
• SPM
with real-time insights into client performance metrics, such as heart rate and calorie expenditure.
• Concurrency
• Designed a dynamic dashboard for trainers to view client progress and session history, enhancing
• SwiftUI
their ability to offer personalized guidance.
• Property Wrappers
Collaboration
• Generics
• Worked closely with a team of designers and backend developers to deliver a feature-rich and • POP
user-friendly app.
• Participated in agile workflows, including sprint planning and code reviews, to maintain high
Infrastructure and Development
development standards and meet deadlines.
Tools

Technologies Used: Swift, SwiftUI, HealthKit, Stripe, Push Notifications, Apple Watch Integration,
• Fastlane
REST API.
• GitHub
• Dependency Management
NonameDigital
• WebSocket
Role: iOS Developer • Push Notifications
Dates: Nov 2023 - Jun 2024
• Collaborated in a cross-functional team (Project Manager, Test Engineer, Team Lead, and iOS
3D and AR Technologies
Developer) to deliver multiple high-quality applications with diverse use cases, driving a 20%
improvement in project delivery time.
• AutoClicker Project: Developed an automation tool for repetitive touch-based tasks, achieving • ARKit, RoomPlan
a 15% reduction in task execution time by optimizing touch simulation accuracy. Utilized
Swift, CoreAnimation, and GCD for seamless execution and real-time updates. Collaboration and Workflow
Tools
 .

• Room Design Planner App: Developed an interactive iOS app for scanning and customizing • Xcode
interior spaces using RoomPlan. Integrated ARKit and SceneKit for real-time 3D visualization of • Postman
furniture and decor placement. Employed Combine for reactive state updates and MVVM for • GitHub, SourceTree
maintainable architecture. Boosted user engagement by 15% through intuitive room scanning. • Jira and Trello
• Sign Language Translator: Contributed to an app that translates sign language gestures into • Figma
text. Integrated ARKit and CoreML for gesture recognition and Firebase for real-time database • JSON, Swagger
functionality, enabling 99% accuracy in gesture detection during beta testing.
• Dropbox
• Character Customization Project: Designed and developed an interactive app for assembling
and customizing characters. Leveraged SceneKit for 3D rendering, Combine for reactive
programming, and MVVM for a scalable architecture. Increased app retention rates Testing and Debugging
by 12% through engaging customization features and smooth performance across devices.
Technologies Used: Swift, SwiftUI, UIKit, SceneKit, CoreAnimation, AVFAudio, ARKit, CoreML, • UI Testing
Combine, MVVM, Firebase, AppStoreConnect, TestFlight, GCD, XCTest. • Snapshot Testing
• Firebase
D4Group • XCTest
Role: iOS Developer
Dates: Jun 2022 - Dec 2023 EDUCATION
Key Projects and Contributions • Bachelor degree in Computer
Care2Talk:
Science, Vinnytsia National
• Designed and developed a secure communication platform to connect families and caregivers
Technical University
with elderly individuals, achieving a 95% satisfaction rate among users.
• Built an accessible and user-friendly interface, improving ease of use for elderly individuals • IOS For Beginners,
and increasing engagement by 20%. WebAcedemy
• Implemented VoIP audio and video calls, reducing dependency on external communication
tools and cutting operational costs by 30%. LANGUAGES
• Integrated a secure subscription payment system, leading to a 15% increase in recurring
revenue. ● English - Upper-Intermediate
• Added real-time push notifications, improving response times for critical communication by ● Ukrainian - Native
25%.
• Ensured offline functionality through efficient data storage, enhancing reliability and user
retention by 18%.
• Designed a scalable architecture, facilitating the addition of new features with minimal impact
on existing functionality.
• Conducted rigorous testing, reducing bug reports by 30% post-launch and ensuring high app
stability.

Legacy Projects:
• Maintained and updated multiple legacy applications, improving performance and fixing bugs
across various modules.
• Refactored outdated codebases to align with modern best practices, such as transitioning from
MVC to MVVM for better separation of concerns.
• Enhanced analytics integration with Google Ads SDK to track user behavior and optimize in-app
advertisements.

Team Collaboration
• Worked closely with a Project Manager (PM), QA engineers, and other developers to ensure
timely delivery of project milestones.
• Participated in regular code reviews to maintain high code quality and implemented CI/CD
pipelines using GitHub for efficient delivery workflows.

Technologies Used: Swift, UIKit, CallKit, TwilioVideo, Realm, Core Data, REST API, GraphQL,
Firebase, APNs, Stripe, Google Ads SDK, MVVM, Fastlane, GitHub Actions.

ITStolytsa
Role: Swift Teacher
Dates: Nov 2022 - Feb 2023
Taught Swift programming, guiding students from beginner to intermediate levels. Designed and
delivered interactive lessons, including hands-on coding exercises to reinforce key programming
concepts. Provided personalized feedback and support to help students overcome challenges and
achieve their learning goals. Created custom course materials and practical examples to ensure clarity
and engagement during lessons. Encouraged problem-solving and critical thinking by integrating real
world coding scenarios into the curriculum.
 .

WebAcademy
Role: iOS Mentor
Dates: Sep 2021 - Nov 2023
Guided students through group and one-on-one mentoring sessions, ensuring a clear understanding of
iOS development concepts and practices. Provided comprehensive support for final course projects,
helping students implement real-world solutions and meet project requirements. Assisted in career
development by offering tailored advice on resume building, technical interview preparation, and job
market navigation. Reviewed and refined students' code to ensure adherence to best practices and
coding standards. Fostered a collaborative and motivating learning environment, encouraging students
to excel in their iOS development journey.

Five System Development
Role: iOS Developer
Dates: Oct 2021 - May 2022
Key Projects and Contributions

Orcade: Developed an engaging underwater-themed gaming application, increasing user retention by
20% through immersive 3D environments, interactive mechanics, and in-app purchase options for
customization and progression. Enhanced gameplay with dynamic animations and a scalable
architecture, supporting seamless future updates.

Cubes: Designed a puzzle game focused on manipulating 3D cubes, boosting user engagement by
15% through intuitive controls and competitive features like leaderboards and premium content
subscriptions. Optimized performance across devices, ensuring smooth gameplay and rendering for a
wide range of users.
Collaboration and Tools
• Worked as part of a team to brainstorm game concepts and refine gameplay mechanics.
• Participated in regular sprint reviews, contributing to feature prioritization and milestone
planning.
• Utilized Git for version control and collaborated with other team members via Jira

Technologies Used: Swift, SceneKit, CoreAnimation, UIKit, Realm, MVVM, StoreKit, Firebase,
Git, Jira, Trello.

Lyst
Role: iOS Developer (Volunteer)
Dates: May 2020 - Jul 2020
Project Overview
Collaborated on a project to promote sustainable shopping practices, enabling eco-friendly purchases
and donating a percentage of each transaction to environmental funds.
• Designed an intuitive user interface, increasing user adoption by 20%.
• Streamlined real-time data updates for tracking donations and product availability, enhancing
user engagement.
• Integrated secure APIs for transaction processing and donation tracking, ensuring 100% accuracy
in financial operations.
• Implemented features to highlight eco-friendly products and progress toward funding goals,
motivating a 15% increase in user participation.
Collaboration
• Worked closely with a multidisciplinary team, including designers and backend engineers, to
ensure seamless functionality and alignment with project goals.
• Participated in daily stand-ups and team code reviews to maintain high-quality standards.

Technologies Used: Swift, SwiftUI, Combine, MVVM, REST API.