Zlatko Sehanovic - Senior Consultant

Q: Where is Zlatko based?

Zlatko is based in Graz, Austria .

Q: What languages does Zlatko speak?

Zlatko speaks the following languages: Bosnian (Native), German (Advanced), English (Advanced) .

Q: How many years of experience does Zlatko have?

Zlatko has at least 9 years of experience. During this time, Zlatko has worked in at least 4 different roles and for 4 different companies . The average length of individual experience is 2 years and 3 months . Note that Zlatko may not have shared all experience and actually has more experience.

Q: What is Zlatko's latest experience?

Zlatko's most recent position is Senior Consultant at Kater Systems .

Q: What companies has Zlatko worked for in recent years?

In recent years, Zlatko has worked for Kater Systems , Payala , and ilvi GmbH .

Q: Which industries is Zlatko most experienced in?

Zlatko is most experienced in industries like Information Technology (IT) , Healthcare , and Banking and Finance . Zlatko also has some experience in Education .

Q: Which business areas is Zlatko most experienced in?

Zlatko is most experienced in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) . Zlatko also has some experience in Research and Development (R&D) .

Q: Which industries has Zlatko worked in recently?

Zlatko has recently worked in industries like Information Technology (IT) , Healthcare , and Banking and Finance .

Q: Which business areas has Zlatko worked in recently?

Zlatko has recently worked in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) .

Recommended expert

Graz, Austria

Experience

Jan 2025 - Jul 2025

7 months

Graz, Austria

Senior Consultant

Kater Systems

Collaborated on debugging and maintaining the existing codebase
Created diagrams and visualizations of system architecture
Contributed to reports and scientific documents

Oct 2022 - Nov 2024

2 years 2 months

Senior Android Developer

Payala

Maintained, extended, and adapted the existing prototype to Kotlin
Cross-platform development using Kotlin Multiplatform and Jetpack libraries (Compose, Hilt)
Reviewed code and ensured reliability through test automation with Kotlin Coroutines
Collaborated with team members to create development strategies
Set up continuous delivery pipeline and automated tests with GitHub Actions
Documented the software architecture and protocol process
Contributed to CLI tools for provisioning smart cards for testing and customer use
Updated the applet codebase to enable secure cryptographic communication and compatibility with current JavaCard SDK versions

Achievements:

Payala App: Architected and developed a new iteration of the product based on modern app architecture and MVVM
payala-sdk: Shared library for communication between devices and smart cards (NFC/BLE)

Feb 2017 - Oct 2022

5 years 9 months

Gleisdorf, Austria

Software Developer

ilvi GmbH

Co-developed the Xamarin app with a customizable user interface and features tailored to the different needs of healthcare institutions and their staff
Designed and developed a standalone software library to interface the application with medical devices
Developed, documented, and ensured quality as part of the ISO 13485 QMS

Achievements:

qPC: Windows application for automating patient data entry in ECG devices to reduce potential errors in datasets
BLE Library: AIDL library for Bluetooth communication using RxJava and RxAndroidBle
AEDCOM: Prototype of a communication module for the Zoll AED3 that connects emergency services with the person providing aid

Jul 2016 - Feb 2017

8 months

Freelance Mobile App Developer

Business School Benko

Developed an app with Ionic Framework including Stripe payments as well as Google and Facebook OAuth
Adapted the UI/UX design in collaboration with the design team to incorporate new features and final functionalities
Collaborated with backend developers to plan app features and API endpoints

Achievements:

Paukino App: Developed and launched the product on Google Play and the App Store

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (8.5 years), Healthcare (5.5 years), Banking and Finance (2 years), and Education (0.5 years).

Information Technology

Healthcare

Banking and Finance

Education

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (9 years), Product Development (8.5 years), Quality Assurance (5.5 years), and Research and Development (0.5 years).

Information Technology

Product Development

Quality Assurance

Research and Development

Summary

Android developer with over 8 years of experience in areas where security and reliability are top priorities. Highly skilled in Kotlin and Java, with extensive know-how in implementing low-level protocols and cross-platform development.

Skills

Core Competencies**
Kotlin Multiplatform
Jetpack Libraries (Compose, Hilt)
Kotlin Coroutines
Room
Automated Testing/tdd
Retrofit
Modern App Architecture/mvvm
Additional Areas Of Expertise**
Nfc - Iso 14443
Bluetooth Le
Android Java
C#/.net
Javacard Api
Threat Modeling
Reverse Engineering
Secure Mobile App Development
Tool Proficiency**
Git/github/bitbucket
Bamboo/github Actions
Confluence/notion/github Wiki
Android Studio/visual Studio
Gradle/maven
Postman
Figma
Globalplatformpro

Languages

Bosnian

Native

German

Advanced

English

Advanced

Education

Oct 2015 - Jun 2018

Technical University of Graz

Bachelor Programme · Software Engineering and Business · Graz, Austria

Profile

Created

February 2026

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Zlatko based?

Zlatko is based in Graz, Austria.

What languages does Zlatko speak?

Zlatko speaks the following languages: Bosnian (Native), German (Advanced), English (Advanced).

How many years of experience does Zlatko have?

Zlatko has at least 9 years of experience. During this time, Zlatko has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 3 months. Note that Zlatko may not have shared all experience and actually has more experience.

What roles would Zlatko be best suited for?

Based on recent experience, Zlatko would be well-suited for roles such as: Senior Consultant, Senior Android Developer, Software Developer.

What is Zlatko's latest experience?

Zlatko's most recent position is Senior Consultant at Kater Systems.

What companies has Zlatko worked for in recent years?

In recent years, Zlatko has worked for Kater Systems, Payala, and ilvi GmbH.

Which industries is Zlatko most experienced in?

Zlatko is most experienced in industries like Information Technology (IT), Healthcare, and Banking and Finance. Zlatko also has some experience in Education.

Which business areas is Zlatko most experienced in?

Zlatko is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA). Zlatko also has some experience in Research and Development (R&D).

Which industries has Zlatko worked in recently?

Zlatko has recently worked in industries like Information Technology (IT), Healthcare, and Banking and Finance.

Which business areas has Zlatko worked in recently?

Zlatko has recently worked in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

What is Zlatko's education?

Zlatko holds a Bachelor in Software Engineering and Business from Technical University of Graz.

What is the availability of Zlatko?

Zlatko is immediately available full-time for suitable projects.

What is the rate of Zlatko?

Zlatko's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.