Koin Experts in Germany
in minutes with vetted specialists and precise AI matching.Hire experts who use Koin to wire clean dependency injection, modular Kotlin app setup, and test-friendly service layers. They support Android apps, backend services, and shared Kotlin code with vetted, available specialists matched fast and precisely.
Meet FRATCH Experts in Germany, who have recently used Koin
Patrick Waldschmitt
Last position:
AI Software Engineer at IppenMedia
- Analysis
- Consulting
- Software design
- Development
- Automation
- Testing
- Deployment
- Architecture, development and deployment of various proof-of-concept applications around the integration of current AI interfaces including conversational, realtime voice, images and videos
- Developed best practices for working with agentic systems and AI in practice
- Created code templates
Ahmet Cavus
Last position:
Senior Android Developer at enbw
- Support in restructuring and designing the group's internal Android apps
- Defining essential modules and implementing accessible components
- Establishing agile approaches at an international level
- Technologies & Methods: Kotlin, Android, JUnit 5, Koin, Azure DevOps, Android Studio, Git, Jetpack Compose, Coil, Flow API, Ktor, Coroutines, TypeScript, Node.js
Umer Dilpazir
Last position:
Activation and Vocational Integration Program with Integrated Language Support at Berlitz
- Intensive language course with a focus on professional language content.
Jan Kronenberg
Last position:
Software Architect: Training Platform for IT Career Changers at appvanced
- Mobile: Kotlin Multiplatform (KMP), Kotlin, Swift, SwiftUI, Jetpack Compose, Ktor, Room, Koin
- Backend: Spring Boot, GCP Cloud Run, GCP Load Balancer, GCP Eventarc
- Planned and developed a cloud backend architecture with Google Cloud Platform
- Developed a cross-platform architecture with Kotlin Multiplatform (KMP)
- Tech lead for comprehensive large project including webshop, two apps and omnichannel backend
Yodgorbek Komilov
Last position:
Android Developer at Mein Artz
- Led the development of a doctor scheduling Android app, integrating Jetpack Compose and Kotlin Multiplatform, achieving a 30% performance improvement.
- Implemented complex UI components, ensuring 99.8% crash-free user sessions.
- Seamlessly integrated Compose UI with existing View-based components.
- Optimized API calls, reducing load times by 20%.
- Tech Stack: Kotlin, Jetpack Compose, KMM, MVVM, Koin, Firebase, Stripe API, Crashlytics
Wolfram Rittmeyer
Last position:
Backend and Flutter App Developer at WWU Münster
- Further development of the existing citizen science app with Flutter for Android and iOS to integrate new features.
- Updated the backend, including database migration.
- Used Android, iOS, Flutter, Dart, Riverpod, Drift (migration from moor), flutter_local_notifications, home_widget, flutter_markdown, and flutter_workmanager.
- Backend development with Spring Boot, Kotlin, Kotlin Flow, GraalVM, PostgreSQL, and Docker.
- Used Firebase App Testing, Testflight, as well as Google Play Console and App Store upload.
Steven Mohr
Last position:
Freelance Trainer at TÜV Rheinland Akademie
- Practical seminar "Generative AI in Software Development"
- Mobile apps and cloud computing
- Internet of Things, smart home and consumer healthcare
- Future of mobile communication
Mathias Vogler
Last position:
Senior Android Developer / Freelancer at Adevinta
- Further development of the classifieds app
- Android
- Kotlin
- Coroutines
- Jetpack Compose
Rafael Kolloch
Last position:
Senior Android Developer / Team-Lead at IBM Deutschland
- Further development and release support of a white-label e-prescription component for health insurance companies
- Technologies: Android (Kotlin), Kotlin Multiplatform, Coroutines, Jetpack Compose, MVVM, StateFlow, Gradle, ProGuard
Discover over 15,000 top freelancers
Statistics of experts using Koin
Aggregated from the professional profiles of matched freelancers.
Experience
14 years
Position duration
1.5 years
Positions per freelancer
15
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Healthcare, Automotive
Certification focus areas
Information Technology, Product Development, Research and Development
Bachelor's degree or higher
100%
Master's degree or higher
63%
Certifications per freelancer
2
Most common languages
German, English, Arabic
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using Koin
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What Koin is
Koin is a lightweight dependency injection framework for Kotlin. Teams use it to manage object creation, reduce wiring code, and keep Android apps, backend services, and shared modules easier to test and change. It fits projects that want clear structure without a heavy container.
Where it fits
Koin works well in Kotlin-first codebases, especially when teams want simple module definitions and readable startup logic.
- Android apps with screens, view models, and repositories
- Ktor or Spring-based services that need clean wiring
- Multi-module Kotlin projects with shared components
- Test setups that swap real services for fakes
Skills around it
Strong Koin specialists also know Kotlin language features, coroutines, Android app structure, and backend layering. They understand scopes, singletons, factories, qualifiers, and how to keep module design simple. For teams in Germany, clear communication in English is often enough, but local collaboration can matter for on-site workshops or legacy handovers.
Why companies bring help
Companies usually bring in freelance expertise when dependency setup has become hard to follow, tests are brittle, or a Kotlin migration needs a cleaner structure. A good specialist can review modules, untangle startup issues, and align Koin usage with app architecture. This is common when teams need support without adding long-term overhead.
What strong work looks like
Strong Koin work is easy to read, easy to test, and easy to extend. You should see focused modules, sensible scope boundaries, and no hidden service locator habits.
- Modules grouped by feature or layer
- Clear naming for dependencies and qualifiers
- Simple test replacements and mocks
- No over-engineered container setup
Alternatives and adoption
Koin is often compared with Dagger or Hilt. Compared with those options, it is usually chosen for simpler Kotlin-centric setup and faster team onboarding, while still covering real production needs. In Germany, it is a practical choice for product teams that want maintainable DI without extra complexity.
Frequently asked questions
Curious about Koin? Here are the answers that come up again and again.
Koin is used to manage dependency injection in Kotlin apps. It helps teams create services, repositories, view models, and other objects in one clear place instead of wiring them by hand. That makes app startup, testing, and maintenance easier to control.
Koin is usually chosen for simpler setup and more direct Kotlin code. Hilt and Dagger are more compile-time heavy and can fit larger Android architectures, but they often need more boilerplate. If your team values readability and speed of change, Koin can be the better fit.
A company needs Koin expertise when dependency graphs are growing, tests are hard to isolate, or modules are becoming tangled. A specialist can clean up scope usage, fix startup issues, and review whether the current setup still matches the app architecture. That is especially useful during refactors and Kotlin migrations.
A strong Koin freelancer should also know Kotlin well, including coroutines and null safety. For Android work, they should understand lifecycle patterns, view models, and modular app design. For backend projects, experience with Ktor or Spring-based services is often valuable.
Yes, Koin is not only for Android. It is also used in Kotlin backend services where teams want lightweight dependency wiring and test-friendly modules. It works well in services that need clear boundaries without a heavy framework footprint.
A small Koin setup can be handled quickly, but larger apps need someone who has worked through scopes, module boundaries, and test overrides before. The more modules and shared components you have, the more important real production experience becomes. Simple demos are not enough for messy codebases.
Yes, Koin projects are often well suited to remote work because the core tasks are code review, module design, and test setup. For German teams, remote collaboration usually works best when interfaces, naming, and handover notes are written clearly in English. On-site sessions can still help when a legacy codebase needs fast alignment.
A strong Koin specialist explains trade-offs clearly and keeps configuration simple. Look for clean module structure, sensible use of scopes, and tests that do not depend on fragile setup. Good work should make the codebase easier to understand, not just make it run.
The average hourly rate of freelancers in Germany who have used Koin in their recent projects is 91 €, which corresponds to a daily rate of about 731 € based on an 8-hour working day.
Of the freelancers in Germany who have used Koin in their recent projects, 100% hold at least a Bachelor's degree and 63% hold at least a Master's degree.
On average, freelancers in Germany who have used Koin in their recent projects have 14 years of professional experience, with a single engagement typically lasting around 1.5 years.
The most common languages among freelancers in Germany who have used Koin in their recent projects are German (100%), English (89%), and Arabic (11%).
The most common industries among freelancers in Germany who have used Koin in their recent projects are Information Technology (100%), Healthcare (78%), and Automotive (67%).
The most common business areas among freelancers in Germany who have used Koin in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (67%).
Main locations of FRATCH Experts, who have recently used Koin
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
