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
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.
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.
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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Switzerland 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 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 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%)
- 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
What Kotlin is used for
Kotlin is a statically typed language from JetBrains that runs on the Java Virtual Machine and interoperates closely with Java. Companies use it for Android applications, backend services, shared mobile code, desktop tools and cloud-native systems. Its concise syntax, null-safety features and modern standard library help teams reduce common defects while keeping code readable.
Android and mobile delivery
Kotlin is the primary language for modern Android work. Specialists use Jetpack Compose for declarative interfaces, Coroutines and Flow for asynchronous operations, and Android Studio for development, testing and profiling. Kotlin Multiplatform can share business logic across Android, iOS, desktop and web targets while preserving native user experiences.
- Design and maintain Android applications
- Migrate Java codebases to Kotlin
- Share domain logic with Kotlin Multiplatform
- Build responsive interfaces with Jetpack Compose
Backend ecosystem
On the server, Kotlin works across the JVM ecosystem and integrates with established Java libraries. Professionals commonly deliver services with Spring Boot, Ktor, Micronaut, Hibernate, Gradle and relational or NoSQL databases. They also connect Kotlin services to REST and GraphQL APIs, messaging systems, containers and cloud infrastructure.
When companies need specialists
Freelance expertise is useful when a team is modernising a Java application, launching an Android product or introducing shared code across mobile platforms. It also helps when internal teams need support with architecture, performance, testing or a difficult migration. In Switzerland, remote collaboration can work well when documentation and communication are clear; on-site work may matter for product discovery or regulated environments.
- Replace fragile Java modules with maintainable Kotlin code
- Establish project structure, coding standards and tests
- Resolve coroutine, build or release pipeline issues
- Prepare a Kotlin Multiplatform foundation
Skills that matter
Strong Kotlin professionals understand more than the language itself. They know JVM memory and concurrency, API design, database access, security, automated testing and delivery pipelines. Android specialists may bring expertise in lifecycle management, Compose, offline data and accessibility, while backend specialists should understand observability, distributed systems and resilient deployments.
How to assess quality
Review production examples that resemble the intended system rather than judging syntax alone. Ask how the specialist handles cancellation, error states, dependency management, API compatibility and testing strategy. Good professionals explain trade-offs between native Kotlin, Java interoperability and Kotlin Multiplatform, then leave behind clear documentation and maintainable code.
Frequently asked questions
What clients ask us most about Kotlin — answered in short.
Companies use Kotlin for Android applications, backend APIs, cloud services, desktop software and shared mobile logic. It is especially useful when teams want modern language features while retaining access to the Java ecosystem.
Kotlin offers concise syntax, built-in null-safety and structured concurrency, while Java has a broader legacy codebase and a long-established ecosystem. The choice depends on team skills, existing libraries, migration needs and the target runtime; both can work together in one JVM application.
Kotlin is well suited to Android applications and works closely with Android Studio, Jetpack libraries and Jetpack Compose. A capable specialist should also understand lifecycle handling, offline storage, accessibility, automated testing and release management.
A strong Kotlin freelancer may also bring Java, Gradle, Git, SQL, REST or GraphQL, automated testing and cloud delivery skills. Android work often requires Compose and platform APIs, while backend work may involve Spring Boot, Ktor, containers, messaging and observability.
A Kotlin specialist is valuable for architecture decisions, Java migrations, coroutine issues, performance work and Kotlin Multiplatform adoption. The required depth depends on system complexity, delivery risk and whether the codebase must support several platforms or teams.
Kotlin projects can usually be delivered remotely when repositories, environments and requirements are well organised. Swiss companies should clarify time-zone overlap, communication language, data access and any need for on-site workshops before the engagement begins.
Ask a Kotlin specialist to explain design choices around null-safety, coroutines, testing, API boundaries and dependency management. Review production code or a focused technical exercise, and look for clear reasoning, maintainable structure, useful tests and practical documentation.
Kotlin Multiplatform makes sense when a company wants to share domain logic, networking or data access while keeping platform-specific interfaces where needed. It is not a universal replacement for native development, so the specialist should assess product scope, team capabilities and the maturity of each target platform.
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
