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I am a highly accomplished Senior Android Developer with a passion for creating high-performance mobile applications. I specialize in clean architecture, Jetpack Compose, and Kotlin, and I strive to utilize my skills to contribute to the growth of any organization I work with. As a fast learner and problem solver, I always aim to create elegant, efficient, and high-quality software solutions.…

George Sigalas

Developer, Programmer, Full Stack Developer

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I am a highly accomplished Senior Android Developer with a passion for creating high-performance mobile applications. I specialize in clean architecture, Jetpack Compose, and Kotlin, and I strive to utilize my skills to contribute to the growth of any organization I work with. As a fast learner and problem solver, I always aim to create elegant, efficient, and high-quality software solutions.…

Available to hire

I am a highly accomplished Senior Android Developer with a passion for creating high-performance mobile applications. I specialize in clean architecture, Jetpack Compose, and Kotlin, and I strive to utilize my skills to contribute to the growth of any organization I work with. As a fast learner and problem solver, I always aim to create elegant, efficient, and high-quality software solutions.

Skills

Kotlin

Android

Experience Level

Kotlin

Expert

Android

Expert

Language

English

Fluent

Greek, Modern

Fluent

Work Experience

Senior Android Developer at Arrive

September 1, 2025 - Present

Part of a team responsible for maintenance and optimization of the core AI Chatbot functionality, using a diverse set of development tools. Managed the Chatbot Backend, architecting the integration layer that connects the Large Language Model platform with internal systems. Led the development of a screenshot testing generation plugin for Android applications.

Android Developer at Skroutz SA

December 1, 2023 - September 1, 2025

Contributed to the maintenance and enhancement of the e-commerce platform's Android app. Led the redesign of the app's filter system and the development of server-driven UI components. Managed the app’s core APIs and functions, including leading the complete rewrite of the login flow.

Android Developer at Airborne Interactive

May 1, 2023 - December 1, 2023

Worked in an agile environment contributing to inflight entertainment systems applications. Led technical debt investigations and advocated for clean architecture and solid programming principles. Updated CI/CD pipelines on GitLab to reduce build times significantly.

Android Developer at ParkNow/EasyPark Group

July 1, 2021 - August 1, 2022

Developed core user features for the RingGo enforcement app, achieving significant network performance improvements. Led the complete rewrite of the app to Jetpack Compose and integrated a custom TensorFlow model.