Available to hire
Hello, I’m Olha Pelypets. I’m a Senior Software Engineer with over 9 years of Android development and Flutter experience, building mobile apps for large-scale projects. I enjoy turning complex requirements into reliable, scalable solutions and I thrive both as a solo developer and as part of cross-functional teams.
I’ve worked across the full mobile development lifecycle, including architecture design, code reviews, and mentoring interns. I’m proficient with Agile/Scrum, Clean Architecture, MVVM/MVI, and modern Android and Flutter toolchains, and I continuously expand my skills with new technologies and best practices.
Language
English
Advanced
Russian
Advanced
Ukrainian
Fluent
Polish
Intermediate
Work Experience
Senior Android Developer / Flutter Developer at Grid Dynamics
April 1, 2024 - September 17, 2025E-commerce big projects; Flutter internal project; code reviews; bug fixes; refactoring; clarifying requirements; estimating features; mentoring interns; managing small teams of 2-3 developers; collaboration with other teams and platforms.
Android Developer at Welltech
April 1, 2024 - PresentDeveloping new features for an Android application; improving architecture and stability; code reviews; implementing features across the app; providing technical interviews for Android technologies (Kotlin, Android SDK, Clean Architecture, Coroutines, Retrofit, Jetpack Compose, modularity).
Senior Android Developer, Flutter developer for internal projects at Grid Dynamics
April 1, 2024 - August 20, 2025Developed large e-commerce projects and Flutter internal projects. Responsibilities included code reviews, bug fixing, refactoring, clarifying requirements, estimating features, providing technical interviews for Android and Flutter projects, managing small teams, mentoring interns, and collaborating with developers across teams and platforms.
Android Developer at Welltech
April 1, 2024 - PresentDeveloped new features for a health product Android application focusing on cross-platform development. Improved code architecture and stability, conducted code reviews, participated in all stages of feature development, and provided technical interviews for Android candidates.
Senior Android Developer, Flutter developer for internal projects at Grid Dynamics
April 1, 2024 - August 20, 2025Developed big e-commerce projects and internal Flutter projects. Responsibilities included code review, bug fixing, refactoring, clarifying requirements, estimating features, mentoring interns, managing small teams, and providing technical interviews for Android and Flutter projects. Collaborated with developers from other teams and platforms.
Android Developer at Welltech
April 1, 2024 - PresentDevelopment of new features for the Android health product application with a focus on improving code architecture and stability. Conducting code reviews and participating in all stages of feature development. Providing technical interviews for Android positions.
Senior Software Engineer, Android Developer at GlobalLogic
December 1, 2020 - September 17, 2025Development of a secure encrypted videoconference application; base features such as custom video view, screen sharing, connectivity handling; bug fixing; refactoring; requirement clarification; mentoring.
Senior Software Engineer, Android Developer at GlobalLogic
December 1, 2020 - August 20, 2025Developed a secure and encrypted application for video conferences (under NDA). Worked on base features such as custom conference screen views, screen sharing, and handling bad connections. Responsible for bug fixing, refactoring, clarifying requirements, estimating features, and collaborating with cross-team developers.
Senior Software Engineer, Android Developer at GlobalLogic
December 1, 2020 - August 20, 2025Developed a secure and encrypted application for video conferences. Implemented features such as custom conference screen views, screen sharing, and handling bad connections. Tasks included bug fixing, refactoring, clarifying requirements, estimating features, and collaborating with other teams and platforms.
Android Developer at Grid Dynamics
June 1, 2020 - September 17, 2025Development of in-house enterprise e-commerce application; contributed to Checkout process, Quick Buy, Loyalty programs; bug fixes; requirement clarification; feature estimation; onboarding new colleagues; technical interviews.
Android Developer at Grid Dynamics, Macys
June 1, 2020 - August 20, 2025Developed an online shop enterprise application and internal R&D projects. Responsibilities included developing base features such as checkout orders, quick buy, loyalty programs, fixing bugs, clarifying requirements, estimating features, code reviews, onboarding new colleagues, and technical interviewing in Russian and English.
Android Developer at Grid Dynamics / Macys
June 1, 2020 - August 20, 2025Developed a shop online enterprise application and internal R&D projects. Responsible for implementing features such as checkout order, quick buy, loyalty programs, bug fixing throughout the app, clarifying requirements, estimating features, code review, and onboarding new colleagues. Conducted technical interviews in both Russian and English.
Android Developer at Freelance
June 1, 2019 - September 17, 2025Full development of Android applications for clients (medical tracking devices, artist social network, business app for lawyers); led development as a solo developer or as part of a small team; requirements clarification; feature estimation.
Android Developer at Freelance
June 1, 2019 - August 20, 2025Developed multiple applications including a medical application for health tracking with Bluetooth devices, a social network for artists similar to Instagram, a business application for lawyers and clients, a children's toy-connected application via Bluetooth, and an internet shop. Responsibilities included full Android application development, clarifying requirements, estimating features, and developing functionality either solo or as part of a small team.
Android Developer (Freelance) at Freelance
June 1, 2019 - August 20, 2025Full development of various Android applications including medical applications for health tracking with Bluetooth devices, social networks for artists like Instagram, business applications for lawyers, applications for children’s toys connected via Bluetooth, and internet shops. Responsibilities included clarifying requirements, estimating features, and developing functionality as either a single developer or part of a small team.
Education
Degree at National Technical University “Kharkiv Polytechnic Institute”
January 1, 1999 - January 1, 2005Android at NURE IT Academy, Kharkiv
January 1, 2015 - August 20, 2025 at National Technical University “Kharkiv Polytechnic Institute”
January 1, 1999 - January 1, 2005Android at NURE IT Academy, Kharkiv
January 1, 2015 - August 20, 2025Specialist at Kharkiv Polytechnic Institute (National Technical University)
January 1, 1999 - January 1, 2005Android Development Course at NURE IT Academy, Kharkiv
January 1, 2015 - September 17, 2025Qualifications
Android
January 1, 2015 - August 20, 2025Android
January 1, 2015 - August 20, 2025Industry Experience
Software & Internet, Healthcare, Retail, Professional Services, Other, Financial Services, Media & Entertainment
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