Senior Android Engineer - Kotlin, Jetpack Compose, Clean/MVI

OLEKSANDR PLIEKHOV

Senior Android Engineer

*********.********.***@*****.*** • linkedin.com/in/oleksandr-pliekhov • 980-***-**** Mooresville, NC, US (willing to relocate)

PROFESSIONAL SUMMARY

Senior Android Engineer with 12+ years building native apps across consumer, enterprise, and IoT. Advanced user of Jetpack Compose and Kotlin Flow, with ~2 gains in feature delivery speed. Integrates on-device ML and BLE mesh networking for offline-capable mobile experiences. Architecture migrations to Clean Architecture and MVI raised crash-free rates to 99% and Play Store ratings from 4.4 to 4.9. IEEE Senior Member, team lead, and mentor.

SKILLS

Languages: Kotlin, Java

Cross-platform: React Native

Android Jetpack: Compose, Navigation, LiveData, Room, Hilt, DataStore, DataBinding, WorkManager ML / AI: TFLite on-device inference, model integration & optimization Speech & NLP: Vosk (offline STT), Google Cloud Speech-to-Text, Dialogflow CX (Conversational AI) Reactive: Kotlin Flow, LiveData, RxJava 2

Architecture: MVVM, MVI, MVP, Clean Architecture, SOLID / KISS / DRY Networking: BLE, Wi-Fi Direct, Mesh Networks, REST, Retrofit, WebSocket CI/CD: GitHub Actions, Firebase App Distribution, Google Play auto-deployment, Jenkins, Bitrise, Travis, Bitbucket Pipelines

Testing: Unit testing, A/B testing, benchmarking

Tools: Figma, Jira, Asana, SourceTree (Git)

Publishing: Google Play (Mobile/Android TV), Amazon Appstore (Fire TV) PROFESSIONAL EXPERIENCE

Mercury Intermedia, Inc. — Charlotte, NC, US 03/2024 – Present Senior Android Engineer

• Automated Google Play production releases with GitHub Actions, eliminating manual steps and cutting release time by 30+ minutes per cycle.

• Shipped a Slack-integrated Bitbucket Pipelines workflow that triggers Firebase App Distribution builds on demand, saving 20 minutes per distribution cycle.

• Migrated mobile and Android TV playback from ExoPlayer to Bitmovin, reducing playback issues by 23% and improving long-term maintainability.

• Rolled out interactive graphical overlays, expanding the viewer’s in-stream experience.

• Adopted ktlint-compose static analysis and refactored the codebase to comply, resolving 140+ Compose performance issues.

Welltech (Muscle Booster) — Remote 02/2022 – 03/2024 Senior Android Engineer

• Engineered a server-driven screen configuration system in Jetpack Compose, enabling real-time UI updates without a store release and cutting team development time by 5%.

• Added domain-level unit tests, pushing the crash-free rate to 99.8% and raising Play Store ratings from 4.4 to 4.9.

• Contributed to feature discussions as both engineer and user advocate, improving NPS by 25%.

• Executed a full MVI architecture migration, reducing bugs by 15% and accelerating feature delivery.

• Strengthened the hiring process and onboarded 2 senior Android engineers to the team. Goodyear / eJob (via Intellias) — Remote 05/2021 – 10/2022 Senior Android Engineer

• Adapted a complex tablet application for mobile phones in partnership with product and design, growing the user base 3 .

• Connected the mobile app to a physical tire-inspection device over Bluetooth, enabling faster, more accurate tread-depth monitoring.

• Refactored the UI with ConstraintLayout and custom views, delivering pixel-perfect layouts across device sizes.

• Initiated the transition to Jetpack Compose and Kotlin Flow, bringing the codebase up to the current Android platform standards.

Curiosity Stream (via DAXX) — USA / Ukraine 07/2019 – 06/2021 Senior Android Engineer

• Rebuilt Mobile and Android TV platforms by extracting shared logic into a separate submodule, delivering features 2 faster.

• Introduced unit tests and guided Kotlin adoption, raising Play Store ratings from 3.8 to 4.1.

• Configured CI-driven QA build distribution via Firebase App Distribution, making builds instantly available to testers.

• Completed the billing v2 v3 migration, ensuring full Play Store compliance. Comodo / Ezlo — USA / Ukraine 04/2016 – 07/2019

Lead Android Engineer

• Launched 3 smart-home IoT MVPs built on BLE and mesh networking.

• Ran a Crashlytics quality initiative through targeted legacy refactoring, reaching a 96% crash-free rate.

• Mentored developers and introduced modern tooling, raising team productivity by 1.5 .

• Managed the team’s full transition to Kotlin, MVVM, and Clean Architecture, increasing feature velocity 2 .

AppsORama — USA / Ukraine 07/2014 – 10/2015

Middle Android Developer

• Architected a shared-resource layer across 5 similar applications, cutting development time 5 and enabling simultaneous releases.

• Delivered two Android apps from scratch — a religious social network and an audio player. PERSONAL PROJECTS

ResQMesh AI Platform 2025 – Present

Creator & Lead Developer

• Open-source Android BLE mesh emergency-communication platform with on-device ML for offline disaster response; submitted to IEEE FMEC 2026.

• Trained a dual-Conv1D TFLite classifier (1,137 KB INT8, macro-F1 = 0.92); MobileNetV2 image-to-text module achieving 7,869 BLE bandwidth reduction.

• Designed a battery-aware relay policy and a BLE priority queue delivering 975–983 CRITICAL message preemption.

Clients & Visits 2014 – Present

Solo Developer — 5K downloads

• Self-built Android app for client-visit management: appointment reminders, procedure photo capture, income statistics, and Google Drive sync. Actively maintained. EDUCATION

V. N. Karazin Kharkiv National University — Ukraine Master’s Degree in Chemistry

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