Kotlin freelance projects in Germany: 38 new listings

Of the 5,447 IT projects posted on freelance.de, gulp.de, freelancermap.de, projekt-pool.de, solcom.de and westhouse-group.com in the last 14 days, 38 require Kotlin. The 30 newest listings for IT freelancers are here; all 38 on the projects page.

As of 11 Nov 2026, 17:11 (German time). The page is updated hourly between 6:00 and 18:00.

Remote: 16 fully, 12 hybrid, 0 on site20 as a freelance contractMost frequent city: Frankfurt (8)Most frequent role: Java Fullstack Developer (11)Boards: freelancermap.de 27 · freelance.de 7 · gulp.de 48 of them since yesterday

Often asked for together: Java, Spring Boot, Angular, TypeScript, Kotlin Multiplatform

The 30 newest Kotlin freelance projects

1. Senior Kotlin/KMP Developer (m/w/d) TI-Messenger SDK (ID: 30836)

   freelancermap.de · 11 Nov 2026 · Hamburg · Freelance contract · 80% remote

   • Kotlin
   • Kotlin Multiplatform
   • Matrix Protocol
   • Cryptography
   • Telematics Infrastructure
   • Automation

2. Softwareentwickler Kotlin Multiplatform / TI-Messenger (m/w/d)

   gulp.de · 11 Nov 2026

   • Kotlin
   • Kotlin Multiplatform
   • Matrix Protocol
   • gematik Specifications
   • Telematics Infrastructure
   • Cryptography

3. Kotlin Entwickler (m/w/d) Erfahrung Verschlüsselungsverfahren, Olm/MegOlm

   freelancermap.de · 11 Nov 2026 · Remote · Freelance contract · 100% remote

   • Kotlin
   • Kotlin Multiplatform
   • Matrix Protocol
   • SDK Development
   • Olm/MegOlm
   • Verschlüsselungsverfahren (symmetrisch/asymmetrisch)

4. Flutter Experte (m/w/d) vor Ort Einsatz in Frankfurt am Main

   freelancermap.de · 11 Nov 2026 · Frankfurt · Freelance contract · 40% remote

   • Flutter
   • Dart
   • iOS
   • Android
   • Software Architecture
   • Modularization

5. Senior Fullstack Entwickler – Angular, Java, Cloud, DevOps, KI / GenAI, RAG, LLM Integration

   freelancermap.de · 10 Nov 2026 · Frankfurt · Freelance contract · 100% remote

   • Scrum
   • Group Experience
   • Remote Work
   • ISTQB
   • SAFe
   • Java

6. Senior Java/Kotlin Fullstack Entwickler (m/w/d) - Angular / Spring Boot / Azure

   freelance.de · 9 Nov 2026 · CH-Zürich

   • Java
   • Kotlin
   • Angular
   • Spring Boot
   • Azure
   • Hibernate

7. Lead React Developer / Senior Fullstack Developer (m/w/d), Node.js, TypeScript

   freelancermap.de · 9 Nov 2026 · Karlsruhe · Freelance contract · 100% remote

   • React
   • JavaScript
   • TypeScript
   • Software Architecture
   • API Design
   • Backend Development

8. Senior Backend Engineers - 100% remote, ASAP, 6+ months

   freelancermap.de · 7 Nov 2026 · Berlin · Freelance contract · 100% remote

   • Kotlin
   • Java
   • AWS Lambda
   • ECS
   • S3
   • DynamoDB

9. Backend Developer (m/w/d) - 100% remote

   gulp.de · 6 Nov 2026 · 100% remote

   • Kotlin
   • Microservices
   • API Development
   • AWS
   • AWS CDK
   • TypeScript

10. FREELANCE Android Developer - Self-Scanning / Hardware Integration (m/w/d) gesucht // 100% Remote!

    freelancermap.de · 5 Nov 2026 · Berlin · Freelance contract · 100% remote

    • Android
    • Kotlin
    • Hardware Integration
    • Interface Development
    • REST APIs
    • Authentication

11. FREELANCE Android Developer - Self-Scanning / Hardware Integration (m/w/d) gesucht // 100% Remote! // Mitwirkung am Fortschritt eines nachhaltigen und großen Kunden

    freelance.de · 5 Nov 2026 · Berlin · Freelance contract · 100% remote

    • Android
    • Kotlin
    • Hardware Integration
    • Interface Development
    • REST APIs
    • Authentication

12. Suche: Senior Softwaretester (m/w/d)

    freelancermap.de · 5 Nov 2026 · Munich · Employee leasing (ANÜ) · 98% remote

    • REST APIs
    • API Testing
    • Load and Performance Testing
    • Test Data Management
    • End-to-End Testing
    • Frontend Testing

13. Senior Business Analyst (m/w/d)

    freelancermap.de · 4 Nov 2026 · Munich · Employee leasing (ANÜ) · 95% remote

    • Requirements Engineering
    • Requirements Management
    • Business Analysis
    • Jira
    • Confluence
    • BPMN

14. Backend Developer (Kotlin UND Go) + gerne Vue-Kenntnisse im Frontend – Homeoffice (m/w/d)

    freelancermap.de · 4 Nov 2026 · Stuttgart · Freelance contract · 100% remote

    • Kotlin
    • Go
    • AI Tools
    • Communication
    • Hands-On Mentality
    • Vue.js

15. Senior Backend Developer (Kotlin/Go) – Fokus Massendaten & Health (m/w/d)

    gulp.de · 4 Nov 2026

    • Kotlin
    • Go
    • Backend Development
    • REST APIs
    • Big Data
    • Frontend Development

16. Senior Android Developer (m/f/d)

    freelance.de · 4 Nov 2026 · Remote

    • Communication
    • Teamwork
    • Contentful
    • Frontend Development
    • Kotlin
    • Jetpack Compose

17. Senior Android Developers - Barcelona, ASAP, 6+ months

    freelancermap.de · 3 Nov 2026 · Berlin · Freelance contract · 100% remote

    • Android
    • Mobile App Development
    • Kotlin
    • Jetpack Compose
    • Communication
    • Teamwork

18. Senior Entwickler und IT-Berater – Konzernprojekte Java, Cloud, DevOps, KI (mehrere Positionen)

    freelancermap.de · 3 Nov 2026 · Frankfurt · Freelance contract · 80% remote

    • Java
    • Spring Boot
    • Kotlin
    • Python
    • .NET
    • Angular

19. Senior Camunda 8 / Java Entwickler (m/w/d) 80%

    freelance.de · 2 Nov 2026 · CH-Zürich · Freelance contract

    • Camunda
    • Java
    • Angular
    • Spring Boot
    • JPA
    • Hibernate

20. Agile Software Developer / Full Stack Developer (m/w/d)

    freelancermap.de · 2 Nov 2026 · Frankfurt · Employee leasing (ANÜ) · 60% remote

    • Java
    • TypeScript
    • Java EE
    • Backend Development
    • Cloud Computing
    • Interface Integration

21. ANÜ - Senior Android / Kotlin DevOps Entwickler (m/w/d) | 80 % Remote

    freelancermap.de · 2 Nov 2026 · Hamburg · Employee leasing (ANÜ) · 80% remote

    • Android
    • Kotlin
    • Kotlin Multiplatform
    • Build Management
    • GitHub Actions
    • GitHub

22. Agile Software Developer:in (m/w/d) in ANÜ – AFRA-96

    freelancermap.de · 2 Nov 2026 · Frankfurt · Employee leasing (ANÜ) · 40% remote

    • Java
    • TypeScript
    • Java EE
    • Backend Development
    • Cloud Computing
    • Continuous Integration

23. Software Developer | Java, React & TypeScript | Gehalt >15% über Marktschnitt | ID 2048 (m/w/d)

    freelancermap.de · 2 Nov 2026 · Frankfurt · Employee leasing (ANÜ) · 40% remote

    • Java
    • TypeScript
    • Backend Development
    • Cloud Computing
    • Java EE
    • Continuous Integration

24. Fullstack Software Developer (m/w/d) – Java, TypeScript | temp Festanstellung 12 Monate

    freelancermap.de · 30 Oct 2026 · Frankfurt · Employee leasing (ANÜ) · 40% remote

    • Java
    • Java EE
    • TypeScript
    • Backend Development
    • Cloud Computing
    • Databases

25. Fullstack Developer (m/w/d) (ID: 2048)

    freelancermap.de · 30 Oct 2026 · Frankfurt · Employee leasing (ANÜ) · 40% remote

    • Java
    • TypeScript
    • Fullstack Development
    • Cloud Computing
    • Backend Development
    • Java EE

26. Senior Java/Kotlin Developer (m/w/d) – Spring Boot, Angular, Oracle, GIS-Umfeld

    freelancermap.de · 29 Oct 2026 · Karlsruhe · Freelance contract · 100% remote

    • Java
    • Kotlin
    • Spring Boot
    • Angular
    • TypeScript
    • Kubernetes

27. IT-Projektleiter (m/w/d) – Application Maintenance, Security

    freelancermap.de · 29 Oct 2026 · Karlsruhe · Freelance contract · 100% remote

    • Project Management
    • Controlling
    • Web Application Development
    • Team Leadership
    • University Degree
    • German

28. Senior Java/Kotlin Application Engineer (m/w/d) im Bereich Wartung & Security – GIS-Umfeld

    freelancermap.de · 29 Oct 2026 · Karlsruhe · Freelance contract · 100% remote

    • Java
    • Kotlin
    • Spring Framework
    • Spring Boot
    • Angular
    • TypeScript

29. Arbeitnehmerüberlassung - Software Entwickler:in Android/ Kotlin DevOps

    freelancermap.de · 29 Oct 2026 · Hamburg · Employee leasing (ANÜ) · 80% remote

    • Android
    • Kotlin
    • DevOps
    • Kotlin Multiplatform
    • Build Management
    • GitHub Actions

30. IT-Projektleiter (m/w/d) – Public Sector

    freelancermap.de · 29 Oct 2026 · Karlsruhe · Freelance contract · 100% remote

    • Project Management
    • Web Application Development
    • University Degree
    • German
    • GPM
    • PMI

Projectmatch matches every new project against your profile automatically and shows which required skills your profile covers – 14 days free. Try it now.

Current projects with other skills

• Microsoft Fabric57
• GCP51
• C++49
• Containerization49
• React49
• Generative AI39
• Snowflake38
• Vue.js37
• Node.js33
• MySQL30
• C28
• Go28

How the demand develops over the months: see the analysis Kotlin. All pages: current projects by skill, role and city.

Source: the listings of the five project boards from the last 14 days, without projects closed there in the meantime. An AI model reads the skills a project requires from its listing; location, contract type and remote share are stated in the listing itself. We do not show the description – the title links to the listing on its board.