Kotlin Experts in Austria
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Meet FRATCH Experts in Austria, who have recently used Kotlin
Alexander P.
Last position:
Owner & Lecturer at Artellico / Own company for AI governance and data products
- Consulting and interim management at the intersection of IT operations and regulation
- Impact assessment and implementation planning for NISG 2026 and the EU AI Act, including risk management and reporting and evidence processes
- Training for governing bodies and employees on regulatory obligations
- Teaching assignments in Data & Information Management and Human-Machine Interaction at Hochschule Burgenland, since 2023
- Supervision of Master's theses and participation on examination boards
- Industry talks for businesses and educational institutions
- Design and development of data and AI products, platforms and pipelines
- Privacy-first architectures and Zero-Knowledge encryption, cloud-native on EU infrastructure
- Integration with bank account systems using SEPA direct debit mandates and message formats under ISO 20022 (pain.008, camt.053)
- MLOps and AIOps in live operations
- Own applications under my own brand: shared codebase, separate deployment for each target device
- AI-assisted software development (vibe-coding), complete agentic pipelines, code generation, implementation, automated testing, CI/CD and release cycles
- Professional publications on the EU AI Act, NIS2, DORA, CRA and CER as an integrated governance system
- Professional publications on data sovereignty, cloud economics and industrial image processing
- AI governance / compliance: data quality, Responsible AI, EU AI Act readiness, risk classification, AI ethics
Jori M.
Last position:
Agile IT Manager Healthcare Systems at MA01 Gov. Digital City
- Responsible for managing GMP-Critical systems
- Leading team of 20 professionals
- Vendor management with €15 M annual budget
Michael G.
Last position:
Scrummaster at Xenovo
Planning and monitoring sprints and holding the scheduled meetings
Analyzing and resolving issues in the development process
Error analysis, bug management and correction in individual process steps
Stakeholder management
Documentation and improvement of the development process
Tools: JIRA, Confluence
Jaroslav A.
Last position:
Child care, personal development and learning
Stefan K.
Last position:
Fullstack Developer (Freelancer) at Sciuto Software GbR
- Implementing a real-time procedural 3D/AR eyelash configurator using Three.js and MediaPipe
- Building a full-stack web application with React.js and Python
- Consulting on app and web development
Zlatko S.
Last position:
Senior Consultant at Kater Systems
- Collaborated on debugging and maintaining the existing codebase
- Created diagrams and visualizations of system architecture
- Contributed to reports and scientific documents
Andreas B.
Last position:
Freelance iOS Developer at Self-employed
NFC – Project: Development of a prepaid app solution that retrieves already paid services (credit) via an NFC connection between smartphone and terminal
Technologies: REST, NFC, Swift Concurrency, Keychain
KURIER edition & Futurezone.at: Development of white-label apps in partnership with Technical Apps for k-digital Medien GmbH
Technologies: REST, In-App Purchase, Push Notifications, Analytics, OAuth
White-label app for sports associations and institutions: iOS client connected to backend, focusing on modularity, flexibility, and customizability
Technologies: Swift packages (Network, Core, Business Logic, Frontend), MVVM pattern, reactive programming (Combine)
Magenta Sport iOS app: OTT sports platform by Deutsche Telekom with SSO (OAuth), HLS video streaming, DRM protection
Video player framework: Integration of the Sportradar OTT process, licensing model, HLS streams, DRM, analytics, Chromecast, AirPlay, Picture in Picture, Apple TV; available as an XCFramework via CocoaPods; used in WRC, MagentaSport, NHL TV
Collaboration on other apps: DFB and DFB Fanclub; LAOLA1.at; LAOLA1.tv; RedBull Salzburg (formerly)
Patrick H.
Last position:
Lead Frontend Developer at DB Cargo
- customer portal for different user groups
- scrum team member
- planning & implementation of single page application
- planning & connection to REST API backend
- Stack: azure devops, vite, typescript, react, react-router, react-query, react-table, db-ui
Mario M.
Last position:
Software Engineer at Labuniq GmbH
- Role: Software Engineer
- Tasks: Full stack development
- Technologies: NodeJS, TypeScript, LESS, Redis, JavaScript, Docker, Kubernetes, PostgreSQL, Git
Florian J.
Last position:
Senior Android Consultant at Bragi GmbH
- Working within a cross-functional team developing upgrades for in-app features
- Android app development since 2016
- App: Skull IQ & many more
Dominic W.
Last position:
Engineer / Architect at Freelancer
- Magento 2
- Symfony
- Various technologies
Discover over 15,000 top freelancers
Statistics of experts using Kotlin
Aggregated from the professional profiles of matched freelancers.
Experience
19 years
Position duration
2.9 years
Positions per freelancer
10
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Education, Healthcare
Certification focus areas
Information Technology, Logistics, Product Development
Bachelor's degree or higher
80%
Master's degree or higher
40%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Austria are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Austria using Kotlin
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Kotlin experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Education (55%)
- Healthcare (55%)
- Banking and Finance (36%)
- Media and Entertainment (36%)
- Transportation (27%)
- Professional Services (27%)
- Government and Administration (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Modern Software with Kotlin
Kotlin is a concise, statically typed language developed by JetBrains running on the Java Virtual Machine. It eliminates null-pointer exceptions by design and cuts down boilerplate. Teams rely on it for native Android products, resilient backend architectures, and shared mobile libraries across operating systems.
Typical Use Cases and Delivery Areas
- Native Android mobile applications using Jetpack Compose
- Cloud-native microservices with Spring Boot and Ktor
- Multiplatform logic sharing via Kotlin Multiplatform
- Asynchronous backend systems using structured coroutines
- Migration and modernisation of legacy Java codebases
Tooling and Technical Ecosystem
Projects combine the language with build systems such as Gradle Kotlin DSL and frameworks like Micronaut or Quarkus. In mobile development, specialists combine Kotlin with Android Jetpack, Room, and Retrofit. For asynchronous concurrency, Kotlin Coroutines and Flow provide reactive, non-blocking pipelines that simplify complex background tasks.
Enterprise Adoption in Austria
Companies in Austria across fintech, industrial automation, and digital commerce rely on the language for mission-critical systems. Organizations in hubs like Vienna, Linz, and Graz use it to modernise enterprise services and deliver performant mobile banking and IoT companion apps. Remote and hybrid models dominate local team setups.
When to Bring in Freelance Expertise
External support becomes vital when transitioning backend services away from verbose legacy code, adopting Jetpack Compose, or accelerating cross-platform initiatives with Kotlin Multiplatform. Contract specialists resolve technical debt, implement reactive stream designs, and establish clean architectural standards without long hiring delays.
Hallmarks of Seasoned Specialists
Top specialists write idiomatic code rather than translated Java syntax. They structure complex concurrent flows using coroutines without leaking memory, design modular multi-project Gradle setups, and isolate platform-agnostic business logic effectively. Their code bases emphasize testability, compile-time safety, and maintainable software patterns.
Frequently asked questions
What clients ask us most about Kotlin — answered in short.
A seasoned Kotlin specialist demonstrates deep knowledge of coroutines, Flow for asynchronous data streams, and idiomatic language features like extension functions and sealed classes. They understand JVM memory management, Gradle build automation, and frameworks such as Spring Boot or Android Jetpack.
Yes, Kotlin runs seamlessly on the JVM and offers full bidirectional interoperability with existing Java code. Many organizations migrate backend microservices incrementally, writing new endpoints in Ktor or Spring Boot while keeping legacy business logic intact.
Also known as Kotlin Multiplatform or KMP, this technology allows engineering teams to share core business logic, networking, and data storage across iOS, Android, and desktop applications. It avoids duplicated codebases while letting each platform retain its native user interface layer.
Compared to standard Java, Kotlin drastically reduces boilerplate, introduces built-in null safety, and handles concurrency with lightweight coroutines. While Swift targets the Apple ecosystem, multiplatform setups allow code sharing between iOS and Android without adopting heavy hybrid frameworks.
Strong Kotlin professionals avoid writing procedural code in a syntax-transformed Java style. They master structured concurrency, understand functional transformations, architect clean dependency injection with tools like Koin or Dagger, and optimize runtime performance on the JVM.
Most companies in Austria operating in tech hubs like Vienna and Linz work with remote or hybrid professionals. Clear communication in English or German, alignment with Central European time zones, and disciplined asynchronous reporting are standard requirements for remote collaboration.
Engagements with a Kotlin professional usually range from three to nine months depending on scope. Common initiatives include migrating legacy enterprise backends, launching greenfield mobile applications, or integrating multiplatform shared logic across mobile engineering squads.
While international teams and startups in Austria use English as their primary engineering language, many established local enterprises value German proficiency. Defining whether the Kotlin project requires German or English early on ensures alignment across internal teams.
The average hourly rate of freelancers in Austria who have used Kotlin in their recent projects is 95 €, which corresponds to a daily rate of about 760 € based on an 8-hour working day.
Of the freelancers in Austria who have used Kotlin in their recent projects, 80% hold at least a Bachelor's degree and 40% hold at least a Master's degree.
On average, freelancers in Austria who have used Kotlin in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 2.9 years.
The most common languages among freelancers in Austria who have used Kotlin in their recent projects are German (100%), English (100%), and French (18%).
The most common industries among freelancers in Austria who have used Kotlin in their recent projects are Information Technology (100%), Education (55%), and Healthcare (55%).
The most common business areas among freelancers in Austria who have used Kotlin in their recent projects are Information Technology (100%), Product Development (91%), and Project Management (45%).
Main locations of FRATCH Experts, who have recently used Kotlin
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Countries:
- Germany
- Austria
- Switzerland
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Philipp Thomaschewski
FRATCH CEO
