Software Engineer

Marinos Zinonos

Mobile/Android Engineer

Software Engineer with 5 years of professional Android development experience in Kotlin, plus strong cross-platform expertise with Flutter and Dart. I build mobile products end-to-end, from concept to deployment, with clean architecture and maintainable code.

Experience

January 2025 - January 2026

Mobile Developer

Synbiotix Solutions Ltd

  • Migrated a legacy Xamarin application to a fully native Android app using Kotlin and Android SDK.
  • Integrated complex SOAP APIs and built modular, reusable components used across multiple products.
  • Owned the entire Android lifecycle as a one-person mobile team, from architecture to testing and deployment.
  • Contributed to medical-grade software used in the UK healthcare sector, including NHS clients.

September 2023 - December 2024

Software Engineer - Mobile Banking Development

Hellenic Bank Public Company Ltd (now Eurobank)

  • Developed new features and fixes for the mobile banking app serving over 300,000 active users.
  • Collaborated in a large cross-functional team with code reviews and shared technical problem-solving.
  • Integrated RESTful APIs in close collaboration with backend engineers.
  • Led refinement sessions with PMs for scope breakdown, story-pointing, and roadmap shaping.

July 2020 - January 2023

Android Developer

Axiom Consulting Ltd

  • Built loyalty and rewards Android solutions for leading commercial businesses in Cyprus.
  • Developed with Kotlin, Android SDK, and REST APIs in collaboration with senior developers.
  • Troubleshot, debugged, and optimized mobile code for reliability and performance.

Projects / Portfolio

LegalMatters

2026

Cross-platform legal services app delivered for iOS and Android with Flutter.

FlutterDartiOSAndroid
WebsiteApp StorePlay Store

InMobi CMP Flutter Plugin

2025

Flutter plugin integrating InMobi CMP SDK with native Kotlin and Swift support for GDPR/CCPA consent workflows.

FlutterKotlinSwiftGDPR/CCPA
GitHub

Supersport 104

2023

Media streaming application delivered for both iOS and Android using Flutter.

FlutterDartiOSAndroid
WebsiteApp StorePlay Store

OMEGALIVE

2022

News and media application for iOS and Android with a cross-platform Flutter architecture.

FlutterDartiOSAndroid
WebsiteApp StorePlay Store

Skills

Mobile Development

Kotlin
Android SDK
Jetpack Compose
Coroutines

Cross-Platform

Flutter
Dart

Architecture & APIs

REST APIs
SOAP APIs
JSON/XML
Firebase
Hilt/Koin

Tools & Workflow

Jira/Scrum
Gradle
Git

Contact

Interested in collaborating? Let's connect.

+357 96378445LinkedInGitHub