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Andrii Isaienko
Android Developer
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
Simon Petliura str., 36b, ap. 312,
Brovary, Kyiv region

Pro le
Android developer with 3+ years of experience creating top-notch,
scalable mobile applications using modern Android frameworks and
industry best practices. Pro cient in Jetpack Compose for designing
dynamic and responsive UIs, including custom components, and well-
versed in Clean Architecture for maintainable, testable, and scalable
code. Skilled in writing unit and UI tests to improve app reliability and
utilizing Android Architecture Components for a solid app structure.
Blends technical expertise with a strong grasp of UX/UI principles to
provide intuitive and polished user experiences. Familiar with Git and
collaborative work ows, facilitating smooth collaboration with
designers, project managers, and other developers. Recognized for
being diligent, results-driven, and communicative, with a track record
of leading development projects and achieving signi cant outcomes.

Education
Chernihiv National University of Technology. Quali cation awarded:
Master's Degree in Engineering.

Expertise
• Kotlin, Java

• Android SDK, Facebook SDK, Firebase SDK

• Coroutines, Flow, Retro t, Dagger 2, Hilt, Koin, Jetpack Navigation,
Jetpack Compose, Lottie, Room, Flоw, ViewModel
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• Clean Architecture, MVVM, MVP, MVI

• Swagger, REST API, Gradle, gRPC, Protobuf

• JUnit, Mockito, Paparazzi

• Git, Git ow, GitLab

Experience
• 09.2025 - till now
First Android Developer in Axis-Y

Responsibilities:
Developed and maintained an Android self-service app for vending
apparats
Implemented card and corporate (face ID / RFID) checkout ows,
including payments, scalization, and error recovery
Improved reliability through event logging, payment analytics, bug
xes, and release-branch support

• 08.2023 - 09.2025
Android Developer in Andersen Lab

Responsibilities:
Developing new features according to business requirements
Performing UI and unit testing to assure high quality of codebase
Diagnosing and resolving software issues through debugging and
troubleshooting
Conducting code reviews to maintain high code quality standards
Estimating tasks and decomposing them
Discussing architectural approaches
Utilizing good design practices, code reusing and writing ef cient
source code
Communicating with technical specialists from other teams
Working in an Agile environment, participating in daily stand-ups,
sprint planning, retrospectives, and other Agile ceremonies
Mentoring junior developers by providing guidance and sharing
knowledge
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• 12.2022 - 08.2023
Android Developer In Traf c Devils

Responsibilities:
Created new features and components
Worked with WebView
Discussed architectural approaches
Troubleshot, including software debugging/updating process
Conducted code reviews to maintain high code quality standards
Utilized good design practices, code reuse and wrote ef cient source
code
Created technical documentation for reference and reporting
Participated in the project estimation and planning
Collaborated with cross-functional teams

Languages
• Ukrainian - native

• English - B1
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