Arzan Nebiu

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Arzan NebiuSenior Software Engineer

Experienced full-stack and mobile engineer with 8+ years of building scalable, secure, and maintainable applications. Specialized in Flutter, React, and Android development, leading 20+ successful projects that improved engagement and performance. Passionate about modern architectures like MVVM and reactive programming, driving quality through clean code and thoughtful design.

About Me

Profile

Experienced full-stack and mobile engineer with 8+ years of building scalable, secure, and maintainable applications

I'm a passionate developer with expertise across multiple platforms and technologies. I enjoy creating efficient, scalable solutions that solve real-world problems.

8+

Years Experience

20+

Projects Completed

10+

Technologies

100%

Client Satisfaction

Technical Skills

Languages

TypeScriptJavaScriptKotlinJavaDartC#SQL

Frameworks & Libraries

FlutterReactAngularNode.js.NETIonicTailwind

Technologies

Android SDKCoroutinesFirebaseHiltReflectionRoomRetrofitGradlePrismaRedisPostgreSQLOpenAPI

Tools

GitDockerGradleWebpackAndroid StudioVS CodePostmanFigma

Languages

Albanian

Native

English

Fluent

German

B1

Macedonian

B1

Work Experience

Senior Software Engineer

Kaspar&

Aug 2024 - Present

St. Gallen, Switzerland

  • Built and maintained a modular Flutter design system that cut UI development time by 40%
  • Migrated client state to backend state using CachedQuery, a ReactQuery-inspired solution, reducing bugs by 35% and boosting app reliability
  • Rewrote the app architecture and API layer using OpenAPI Generators, cutting backend integration bugs by 25%
  • Integrated accessibility and localization features, enhancing usability and global reach
  • Created frost animations and adaptive UI toggles, enriching interactivity while supporting legacy and new designs

Lead Engineer

ServiceOcean

Aug 2022 - Aug 2024

St. Gallen, Switzerland

  • Led a team of four engineers, improving release frequency by 30% and maintaining 95% peer-reviewed code quality
  • Defined and implemented technical strategies aligned with company goals
  • Boosted backend performance by leveraging parallelism and concurrency, resulting in faster and more efficient processing
  • Mentored engineers through regular feedback and pair programming
  • Built C# backend services and migrated legacy jQuery/ASP codebases to React and Tailwind
  • Collaborated with designers to create branded, accessible UI components

Senior Software Engineer

Sablono

Oct 2021 - Jul 2022

Berlin, Germany

  • Developed and maintained web applications using Node.js, TypeScript, and Angular
  • Contributed to the migration from AngularJS to modern Angular framework
  • Built cross-platform mobile applications using Flutter

Freelancer (Android/Web)

Upwork

Jan 2021 - Aug 2022

  • Built Android apps including a machine learning translator, embedded Android server, and virtual space app
  • Developed web apps such as a keyword analytics platform and multi-account Google Photos tool (Electron)
  • Upgraded legacy apps to meet Google Play requirements and platform deprecations

Android Developer

Check24

Feb 2021 - Sep 2021

Berlin, Germany

  • Developed Consumer and Service Provider App
  • Used Coroutines, Flows, Room, View-Models, Dagger
  • Developed Gradle scripts for modularization
  • Solved concurrent issues with the help of Coroutines

Full Stack Developer

Escriba AG

Jan 2018 - Feb 2021

Berlin, Germany

  • Developed enterprise web applications using Angular, TypeScript, and REST APIs for document automation platforms
  • Built up to nine micro-apps, standardizing design systems and reusable components
  • Actively contributed to Agile sprints and architectural planning

Full Stack Developer

Turbosoft

Jan 2015 – Apr 2019

Tetovo, Macedonia

  • Built web and mobile applications using .NET, AngularJS, and Ionic
  • Delivered quiz, warehouse, and appointment systems
  • Designed data models and implemented efficient API communication between frontend and backend layers

Projects

AN Player

A native Android streaming player with a plugin-based architecture, delivering a smooth, material-themed experience for music videos and movies without restrictions.

KotlinCoroutinesMVVM+3 more
View on Play Store

Dependy

A simple Dependency Injection library for Dart that simplifies app architecture and testing.

DartFlutter
View Project

Linked PageView

Synchronize scroll activity across multiple PageViews for a seamless UI experience in Flutter.

DartFlutter
View on Pub.dev

Logger for TypeScript

Enable logging on your TypeScript projects using decorators and annotations for cleaner code.

TypeScriptDecorators
View on GitHub

Android Suspendable Dialogs

A library for Android to display Dialogs by suspending the coroutine finish of the dialog.

KotlinCoroutinesAndroid
View on GitHub

Android Change Logs View

100% Customizable & Performance View to display your application Release Notes. Memory efficient and Strong Performance on long Release Note's list.

KotlinAndroidCustom Views
View on GitHub

Audio Effect Manager

Add audio effects easily to your music apps for enhanced sound experience on Android.

KotlinAndroidAudioManager
View Project

Floating Video Player

A video player library using ExoPlayer with support for floating window playback on Android.

KotlinAndroidExoPlayer
View Project

Media Stream

Stream videos from your Android device over a network easily with this streaming library.

KotlinAndroidMediaCodec
View Project

Get In Touch

I'm always interested in new opportunities and challenges. Whether you have a question or just want to say hi, I'll try my best to get back to you!

Location
St. Gallen, Switzerland

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