Kotlin Experts in Switzerland
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Meet FRATCH Experts in Switzerland, who have recently used Kotlin
Frank G.
Last position:
Agile Coach and Program Manager at Centris AG
The insurance application service provider in Switzerland intended to develop a multi-channel output system to support their customers on their digital enhancement journey.
- Established an Agile Release Train based on SAFe 6.0
- Trained all ART leadership
- Coached the development of the solution intent
- Established 5 teams in the ART. Developed the Epic and Feature Backlog for the team.
- Planned and coached 2 PI planning sessions
The insurance application service provider in Switzerland intended to transform their claims management BPO and IT team into an agile delivery organization.
- Established an Agile Release Train based on SAFe 6.0
- Trained all ART leadership
- Coached the development of the solution intent
- Established 2 teams in an ART.
- Developed the Epic and Feature Backlog for the team.
- Planned and coached 2 PI planning sessions
Urs S.
Last position:
CargoMonitor App at MSR Electronics GmbH
MVP app for shock logger to monitor and analyze transport data via BLE as a Kotlin Multiplatform solution for Android and iOS.
Yuri G.
Last position:
Senior Security Devops Engineer at Swisscom
- Implementation and maintenance of highly critical IAM solutions for B2B clients (SSO, MFA, SAML/OIDC, Entra ID, PIM/PAM)
- Security administration of Linux systems (CentOS, Red Hat) in Docker and Kubernetes environments
- Migration from Docker Swarm to Kubernetes
- Infrastructure automation with Terraform
- Planning and execution of risk assessments, threat modeling, and compliance reports
- Development and management of B2B applications (Java, REST/SOAP, Angular) and CI/CD pipelines (Python, Ansible, Jenkins, GitLab)
- Leading integration tests and UAT (Cucumber, Selenium, Katalon)
- Implementing monitoring and observability strategies with Grafana, Prometheus, and Splunk
- Integrating SAST tools like Snyk and SonarQube
- Release management and project coordination according to Scrum and SAFe
- Mentoring and technical support of junior team members
Ferran S.
Last position:
Senior Software Engineer at Personal time off / Private projects
- Took on and completed private/organizational projects.
- Continued self-training, e.g., in cloud and reactive architectures.
- Focused deepening of knowledge in areas like Kafka and modern Java 17 enterprise architectures.
Christoph J.
Last position:
Project management, Software engineering, Software architect, DevOps at Migros Genossenschafts Bund
- Greenfield project M-Zollmanager: Development of an internal platform to support users in booking requirement areas on line items in assessment notices.
- Greenfield project M-Deliveryplan: Development of an internal platform for planning and tracking deliveries in the international transport sector.
- Created functions to predict the estimated arrival time of container ships and goods from the port of loading to the port of destination, considering potential events.
- Developed the TrackAndTrace add-on for M-Deliveryplan to track and plan goods and containers.
- Built a generic AI chatbot for Migros app infrastructure, including ChatGPT integration and creating AI workflows with N8N.
- Developed AI assistants to automate repetitive tasks, such as creating release notes or processing Jira tasks based on N8N workflows.
- Further development and maintenance of the M-LFS, M-Vehicleaccess and M-Worklog apps.
- Used C#, Angular 18, DevOps practices, N8N, Kubernetes, Docker, Jira, Confluence and Azure.
- Ongoing project with continuous development of platforms and workflows.
Mateusz L.
Last position:
Project Lead Developer at PwC
- Took over the analyst and leading developer role in an innovative project helping detection of financial fraud in a major financial institution in Zurich with assistance of artificial intelligence
- Analyzed and implemented new modules, improved performance and user experience, elevated technical documentation and code quality to the standard required by the end client
- Technologies: Java 17, JavaFX, Spring Boot, concurrency, UX, Gradle, Impala
Discover over 15,000 top freelancers
Statistics of experts using Kotlin
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2 years
Positions per freelancer
19
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Healthcare, Insurance
Certification focus areas
Information Technology, Business Intelligence, Operations
Bachelor's degree or higher
100%
Master's degree or higher
80%
Certifications per freelancer
1
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Switzerland 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 Switzerland 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 19 Sep 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%)
- Healthcare (67%)
- Insurance (67%)
- Manufacturing (67%)
- Government and Administration (67%)
- Banking and Finance (50%)
- Media and Entertainment (50%)
- Professional Services (50%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Kotlin at a glance
Kotlin is a modern language for JVM systems, Android apps, and shared code across platforms. It is used to write services, app layers, and internal tools with less boilerplate than Java. Companies bring in specialists when they need clean code, safer null handling, or help moving older Java work into Kotlin.
Where it fits
- Android product work and app feature delivery
- Backend services on JVM stacks such as Spring Boot and Ktor
- Kotlin Multiplatform for shared business logic
- Internal tools, APIs, and test-heavy delivery
Kotlin also fits teams that want one language for multiple layers while keeping strong support for Java libraries.
What strong experts do
A strong Kotlin professional writes clear domain code, understands coroutines, and knows where idiomatic Kotlin helps or hurts. They should work well with Gradle, testing tools, and CI pipelines, and they should spot problems in null safety, concurrency, and API design early.
When companies hire
Companies usually look for freelance Kotlin help when a product team is short on delivery capacity, a migration has stalled, or an Android codebase needs structure. It also helps when a JVM service must be refactored without breaking existing Java integration.
Ecosystem and tooling
- Kotlin language features such as data classes, sealed types, and extension functions
- Coroutines and Flow for async work and streams
- Gradle builds, test suites, and static analysis
- Spring Boot, Ktor, and Android Studio in the daily workflow
This ecosystem is broad, so the best experts know how to keep code simple while using the right framework features.
Switzerland context
In Switzerland, Kotlin work often appears in product teams that need reliable mobile and backend delivery with English-first collaboration. Some projects stay remote, while others ask for regular on-site time in Zurich, Bern, Basel, or Lausanne when product and stakeholder work needs tighter coordination.
Frequently asked questions
What clients ask us most about Kotlin — answered in short.
Kotlin is commonly used for Android apps, JVM backend services, and shared modules in Kotlin Multiplatform setups. Teams also use it for APIs, internal tools, and refactoring older Java systems into cleaner code. It works well when you want concise code without leaving the Java ecosystem behind.
Kotlin is usually chosen when a team wants less boilerplate, safer null handling, and better support for coroutines. Java still matters for large existing systems and broad library support, so many projects use both. A good freelancer should be comfortable moving between them and keeping integration simple.
Kotlin started gaining wide attention through Android, but it is not limited to mobile work. It is also strong for backend services and shared business logic across platforms. That is why many companies hire specialists who can support both app and server code.
A strong Kotlin specialist usually knows Gradle, Git, testing tools, and either Spring Boot or Ktor for server work. For mobile projects, Android Studio, Jetpack libraries, and app architecture patterns matter. Coroutines, Flow, and Java interoperability are often central too.
A Kotlin project with a small feature area may only need focused support, while a migration or shared-code setup needs someone who has shipped similar work before. Look for practical experience with the exact stack, not just general language knowledge. The best signal is clear examples of production code and maintainable design choices.
Bring in a Kotlin freelancer when delivery is blocked, a team lacks deep language knowledge, or a migration needs a careful hand. It also helps when you need temporary capacity for an Android release or a backend refactor. Short engagements often work well for audits, implementation spikes, and code reviews.
Yes, many Kotlin experts can work remotely from Switzerland and integrate well with distributed product teams. Remote setup is common for backend and shared-code work, while some mobile projects benefit from on-site workshops at the start. Clear communication in English is usually enough, though local language can help in stakeholder-heavy settings.
A strong Kotlin freelancer writes code that is readable, testable, and consistent with the rest of the system. Check for solid handling of null safety, coroutines, API boundaries, and build setup. Good specialists also explain trade-offs clearly and leave the codebase easier to maintain.
The average hourly rate of freelancers in Switzerland who have used Kotlin in their recent projects is 124 €, which corresponds to a daily rate of about 994 € based on an 8-hour working day.
Of the freelancers in Switzerland who have used Kotlin in their recent projects, 100% hold at least a Bachelor's degree and 80% hold at least a Master's degree.
On average, freelancers in Switzerland who have used Kotlin in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Switzerland who have used Kotlin in their recent projects are German (100%), English (100%), and French (50%).
The most common industries among freelancers in Switzerland who have used Kotlin in their recent projects are Information Technology (100%), Healthcare (67%), and Insurance (67%).
The most common business areas among freelancers in Switzerland who have used Kotlin in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (83%).
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:
Zurich Geneva Basel Bern Request a free demo
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Philipp Thomaschewski
FRATCH CEO
