Description

Senior Android Engineer (Kotlin / Jetpack Compose)

Bio: Senior Android Engineer with 6+ years of experience delivering high-quality mobile products. I specialize in building robust, scalable applications from scratch and optimizing existing ones using modern Android toolsets.

Currently based in Spain and available for immediate start.

My Expertise:

Modern UI: 100% Jetpack Compose.

Tech Stack: Kotlin, Coroutines, Flow, Dagger/Hilt.

Architecture: Clean Architecture, MVVM, MVI, Modularization.

Performance: App profiling, memory leak fixing, and UI/UX optimization.

Availability: I am looking for contract-based projects (6+ months) or full-time roles. Open to remote work or hybrid/on-site positions in any region of Spain.

I focus on writing clean, maintainable code and helping teams achieve fast delivery without compromising quality.

Languages

English
Native or bilingual
Ukrainian
Native or bilingual
Hungarian
Conversational
Spanish
Conversational

Workplace preferences

Remote only

Primarily works remotely

Intellias
Android Developer
April 2021 - June 2025 (4 years and 2 months)
• ● Developed and maintained new features for a companion Android application for a leading home technology client, using Kotlin, Android Jetpack, and an MVC pattern with Clean Architecture principles.
• ● Collaborated within a large Agile/Scrum team to plan sprints, estimate tasks, and deliver high-quality code on schedule, using Azure DevOps for task management.
• ● Reimplemented legacy Java code in Kotlin using modern approaches to improve application performance, stability, and maintainability.
• ● Conducted code reviews to ensure code quality and adherence to best practices.
• ● Ensured over 90% test coverage of logic for all developed features.
Perpetio
Android Developer
March 2020 - March 2021 (1 year)
• ● Worked on a child education app, integrating Automatic Speech Recognition (ASR) technology to create an interactive learning experience. Single-handedly ported the entire iOS application to Android.
InVerita
Android Developer
July 2016 - March 2020 (3 years and 8 months)
• ● Led the full development cycle for numerous Android applications across various domains, from initial concept and R&D to deployment and support.
• ● Headed an R&D initiative to integrate machine learning models into a core Android application, utilizing NLP and Computer Vision to expand functionality, including asset price prediction.
• ● Developed an indoor navigation application for warehouses using Bluetooth LE (iBeacon) technology to track assets and personnel in real-time.
• ● Implemented video playback and streaming functionalities using libraries such as ExoPlayer.
• ● Architected and built features for a dating social network and a real-time messaging application, integrating Firebase for backend services and push notifications.
• ● Developed an application to control light therapy glasses via Bluetooth.