Freelance Kotlin jobs

31 live freelance, contract and interim Kotlin roles, collected daily from recruitment-agency desks around the world — the postings that rarely make it to the big job boards.

31 live31 freelance2 remote
SC Cleared Android Developer (Kotlin) REMOTEUnited Kingdom
Freelanceremote🇬🇧 United Kingdom📍 United KingdomAndroidKotlin
Fullstack Developer (React + Kotlin/Java)
Freelanceremote🇵🇱 Poland📍 PolandReactKotlinJava
262408/Tech Lead full stack Java, Kotlin - Lille
Freelanceonsite🇫🇷 France📍 Lille⏱ 3 months + extensionJavaKotlin
Android Developer
Freelanceonsite🇵🇹 Portugal📍 Leiria, Portugal⏱ > 12 monthsAndroidJavaKotlinJetpack Compose
Fullstackutvecklare React/Kotlin
Freelancehybrid🇸🇪 Sweden📍 Sweden⏱ 4-6 monthsReactKotlinAWSKubernetes
Android Developer with Java Backend Experience
Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ Permanent PositionKotlinJetpack ComposeAndroid SDKJava
Android Developer + Kotlin Multiplatform
Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ 10-12 monthsKotlinJetpack ComposeKotlin MultiplatformCompose Multiplatform
Senior Camunda Specialist (Banking Industry)
Freelanceonsite🇫🇮 Finland📍 Helsinki, Finland⏱ 5 monthsCamundaKubernetesHelmElasticSearch
Développeur Backend Java/Kotlin Senior
Freelancehybrid🇫🇷 France📍 Puteaux, France⏱ > 12 monthsJavaKotlinSpring BootPostgreSQL
Backend Developer - Java/Kotlin
Freelancehybrid🇸🇪 Sweden📍 Sweden⏱ 7-9 monthsJavaKotlinSpring Bootmicroservices
Android Automotive - Solution Architect
Freelancehybrid🇩🇪 Germany📍 Ingolstadt, Germany⏱ > 12 monthsAndroidKotlinJetpack ComposeAOSP
System UI & Android Framework Base Architect
Freelancehybrid🇩🇪 Germany📍 Ingolstadt, Germany⏱ > 12 monthsAOSPAndroidJavaKotlin
Car Functions Architect / Proxy Product Owner
Freelancehybrid🇩🇪 Germany📍 Ingolstadt, Germany⏱ > 12 monthsAndroid AutomotiveKotlinJetpack ComposeVHAL
2x Android Developers
Freelancehybrid🇸🇪 Sweden📍 Sweden⏱ 4-6 monthsAndroidKotlinJavaC++
Navigation Architect - Domain-Spezialist
Freelancehybrid🇩🇪 Germany📍 Ingolstadt, Germany⏱ 10-12 monthsAndroid AutomotiveKotlinJavaC++
Android Automotive HMI / 3D Visualization Architect
Freelancehybrid🇩🇪 Germany📍 Ingolstadt, Germany⏱ 10-12 monthsAndroid AutomotiveUnreal EngineC++Kotlin
Solution Architect - Android IVI HMI
Freelancehybrid🇩🇪 Germany📍 Ingolstadt, Germany⏱ 10-12 monthsKotlinJetpack ComposeAndroid JetpackAAOS
Un développeur C#/.Net sur Clermont Ferrand
Freelancehybrid🇫🇷 France📍 Clermont-Ferrand⏱ 6 months + extensionKotlin
Développeur Mobile Android KMP MONTPELLIER/MA
Freelancehybrid🇫🇷 France📍 Montpellier⏱ 6 months + extensionKotlin Multiplateform (KMP)
Développeur FullStack Java/Angular
Freelancehybrid🇫🇷 France📍 Lille⏱ 1 year + extensionAngularJavaKotlinSpring
Développeur FullStack Java/Angular
Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extensionAngularJavaKotlinSpring
Développeur Android KMP / KMM
Freelancehybrid🇫🇷 France📍 Montpellier⏱ 3 years + extensionAndroidKotlinKotlin Multiplateform (KMP)
Tech Lead Front-End / Développeur Full Stack – Vue.js / Java / Kotlin / Spring Boot
Freelancehybrid🇫🇷 France📍 Île-de-France⏱ 1 year + extensionJavaJavascriptKotlinVue.js
Développeur iOS
Freelancehybrid🇫🇷 France📍 Montpellier⏱ 3 years + extensionAPI RESTGitiOSKotlin Multiplateform (KMP)
Front End Developer
Freelanceonsite🇺🇸 United States📍 Santa Monica, CaliforniaJavascriptTypescriptReactKotlin
Tech Lead Front End – Vue Js Java Kotlin Secteur Bancaire
Freelance🇫🇷 FranceVue.jsJavaKotlinSpring Boot
Senior Backend Engineer Kotlin
Freelancehybrid🇬🇧 United Kingdom📍 London⏱ 6 monthsKotlinGolangGCP
AI Engineer
Freelancehybrid🇳🇱 Netherlands📍 Noord-Holland⏱ 12 months + extensionPythonLangChainRAGKotlin
Fullstack Developer
Freelancehybrid🇩🇪 Germany📍 Frankfurt am MainJavaKotlinTypeScriptSpring Boot
Embedded Android Engineer
Freelance🇸🇪 Sweden📍 Stockholm, Stockholms län, Swedenembedded systemslinuxandroidkotlin
Consultant Task – Kotlin/Java Full Stack Application Developers (4 positions) (25 June 2026)
Freelancehybrid🇫🇮 Finland📍 Finland⏱ 12 monthsKotlinJavaSpring BootReact
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