Maksym

Maksym Kychuk
Senior Android Engineer
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Summary
Senior Android Engineer with 7+ years of experience building fintech, IoT, and real-time mobile
systems. Strong focus on Jetpack Compose, scalable architecture, and modern Android
development practices. Proven experience owning mobile architecture, delivering end-to-end
features in production, mentoring engineers, and improving engineering workflows.
Experienced in introducing spec-driven development practices and AI-assisted engineering
workflows (LLM integration) to improve delivery speed, code quality, and engineering consistency.

Technical Skills
Languages: Kotlin, Java
Android: Android SDK, Jetpack Compose, ViewModel, Navigation, Room, DataBinding, Lifecycle
Architecture: Clean Architecture, MVVM, MVI, SOLID, Design Patterns, Spec-Driven Development
Async & Networking: Coroutines, Flow, Retrofit, OkHttp, REST APIs, WebSockets, Gson, Moshi
Dependency Injection: Hilt, Dagger 2
Testing: JUnit, Mockito, Espresso, Robolectric, Compose Testing
Tools: Firebase (Auth, Firestore, Crashlytics, FCM), GitHub Actions, Gradle, Git, Jira, SQL,
ProGuard/R8, Glide, LeakCanary, OneSignal
AI Engineering: LLM integration (Claude API), AI-assisted code review, spec analysis, engineering
workflow automation

Professional Experience
NymCard — Senior Android Engineer
Jul 2024 – May 2026 | Fintech / Mobile Banking
● Led Android architecture and feature delivery for a mobile banking platform built from
scratch using Jetpack Compose, MVI, and Hilt.
● Defined scalable application structure and engineering standards focused on long-term
maintainability and consistency.
● Introduced spec-driven development by transforming PRDs into structured implementation
plans before development.
● Integrated LLM-based workflows (Claude API) for feature analysis, code review support,
and development acceleration.
● Led code quality initiatives through structured reviews and mentoring, improving codebase
consistency and onboarding efficiency.

● Collaborated with backend, QA, product, and design teams to deliver stable product
features.
● Key Impact: Improved delivery efficiency and reduced engineering friction through
architecture standardization and workflow improvements.

FoxmindEd — Android Mentor
Mar 2024 – Present

● Worked with students on sample projects. Reviewed code and provided guidance on
architecture, clean code, and core Android development practices.

Grid Dynamics — Android Engineer
Feb 2022 – Mar 2024 | IoT / Smart Home Platform
● Contributed to UI development in a large IoT application with complex device interaction
flows and state management.
● Integrated new features into production systems without breaking backward compatibility or
stability.
● Worked cross-functionally to maintain scalability and maintainability in a complex Android
codebase.

TSTech — Android Engineer
Aug 2019 – Nov 2021 | Real-time Trading Platform
● Built real-time trading features using WebSockets, MVVM architecture.
● Implemented low-latency data handling and synchronization for financial updates.
● Optimized concurrency and caching to improve responsiveness and stability.

Selected Projects
Banking App (NymCard) – Production mobile banking platform built with Jetpack Compose, MVI,
and Hilt. Owned architecture and feature delivery in a regulated fintech environment.
SmartHome App (Grid Dynamics) – IoT device management platform with modular architecture
and complex multi-device UI flows.
Seek and Catch (Personal) – Reaction game built with Jetpack Compose and Firebase (Auth,
Firestore, Crashlytics). Clean architecture, released on Google Play.

Education
B.Sc. Software Engineering — Dnipropetrovsk National University of Railway Transport
(2015–2018)
Software Development — Kryvyi Rih Mining and Electromechanical College (2011–2015)

Languages
English: B2 | Ukrainian: Native