Profilbild von Birgit Lexa Android Developer aus Graz

Birgit Lexa

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Letztes Update: 02.04.2024

Android Developer

Firma: holudi e.U.
Abschluss: DI(FH) Medizinische Informationstechnik
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher)

Schlagwörter

Kotlin Java Android Android Application Development Architektur Tensorflow Sqlite

Dateianlagen

Resume-Birgit-Lexa-2024-03_020424.pdf

Skills

7 years of experience with native Android app development from concept and architecture to release in Google and Huawei Stores. 6 years of that working with Kotlin, and the last year mainly with Jetpack Compose.

Tech Stack:
- Android SDK
- Kotlin (Java)
- Coroutines, Flow
- Jetpack Compose UI
- Material2, Material3
- Room
- Retrofit
- SqLite
- Dagger, Hilt
- ExoPlayer3
- TensorFlow Lite
- Kotlin Multiplatform
- Compose Multiplatform
- ktor Server

Projekthistorie

10/2023 - 12/2023
Freelance Android Developer
RocketApps GmbH (Internet und Informationstechnologie, 10-50 Mitarbeiter)

Building an Android App utilizing cutting edge AI backend services from start to finish

02/2023 - 08/2023
Freelance Android Developer
FFW

ZDF Apps: Mediathek, Heute, Tivi; for handheld, TV, automotive platforms

06/2022 - 12/2022
Freelance Android Developer
RocketApps GmbH (Internet und Informationstechnologie, < 10 Mitarbeiter)

Porting FM Radio iOS app to Android
https://play.google.com/store/apps/details?id=co.rocket.apps.android.radio

06/2021 - 04/2022
Android Team Lead
iTranslate GmbH

* Responsibilities in addition to the Android Developer role
* Coordination of shared projects between Backend, iOS, Web and Android
team
* Advising the management team about Android or Google specific
implementation details or policies
* Release management

07/2017 - 04/2022
Android Developer
iTranslate GmbH

* Specification, implementation, testing, review, release and maintenance
of iTranslate's Android products:

iTranslate Translator: Translation app for text and voice with offline
capability, 50M+ installs

Initiatives and Achievements:
* Implementation of backend controlled A/B Testing framework for
purchase screens to optimize conversion rate
* Building analytics component for tying multiple analytics / tracking
frameworks into the app conveniently and quickly
* Overhaul of user account system including state of the art
authentication and local data encryption to better protect the
users' privacy and increase app security
* Refactoring of legacy in-app-purchase system into a coroutine
based version conforming to modern Android architecture to
speed up development time and create a more robust user
experience
* Migrating from C++ native code TensorFlow framework for running
machine learning models to TensorFlow Lite for faster prototyping
and easier maintenance
* Introduction of unit testing to increase code quality and minimize
incidents at a user level
* Introduction of Kanban based agile method using Jira for release
planning
* Keeping crash-free user rates in Google Play Store above 99.9%

Typeright: Keyboard app with built-in grammar correction and translation,
new in 2021

Initiatives and Achievements:
* Refactor in-app-purchase system from Translator app into a
reusable library component for all apps




Technologies used:
* Kotlin, Java
* Google and Huawei In App Purchases
* Analytics (Firebase, Facebook, Adjust, In-House APIs)
* SQLite Databases with Room
* REST Clients with Retrofit
* TensorFlow (Lite) for running machine learning models
* Local data encryption
* Dagger for dependency injection

05/2016 - 07/2017
Android Developer
Evolaris GmbH

* Specification and implementation of Android apps and prototypes for
diverse Android devices such as phones, smart glasses, info panels, smart
ski goggles, AR devices, as well as non-Android devices like Microsoft
HoloLens
* Participation in Google partner program "Glass at work"

Example projects:
* PoC for large Austrian construction company for construction plan
visualization on site with Augmented reality on Project Tango AR
enabled Android phone using Unity Engine
* Adapting existing Ski navigation solution using Smart Ski Goggles
with built in HUD for new clients

Technologies used:
* Java, C#
* Unity

04/2011 - 04/2016
Software Developer / Tester
B&R Automation GmbH

* Writing Automated Test Scripts for the In-House Automation Software
based on Ranorex Framework [C#/.NET]
* Design and implementation of test framework functionality and test steps,
as well as redesign and refactoring of existing packages

Technologies used:
* C#
* Ranorex
* ISTQB methodology

01/2008 - 12/2011
Junior Programmer in R&D Department
Alicona Imaging GmbH

* Application scripting for automated measurement with InfiniteFocus 3D
measurement device

Example project:
* Automation script for fully automatic microscopic quality
assurance of intaglio printing areas on bank note printing plates
with specialized hardware for OeBS GmbH (Austrian bank note and
security printing company)

01/2007 - 01/2008
Applications Engineer
Alicona Imaging GmbH

* Developing customer specific measurement solutions for clients in the
manufacturing industry (mostly in the Automotive or Medical sector)
* Presentation of InfiniteFocus functionality to customers on their
manufactured parts in-house and on-site
* Applications support

Reisebereitschaft

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