46 “Kotlin" freelancers available

Alexander Buder

Located at Berlin

600€/day

Flutter Entwickler

259  views
  • Flutter
  • Swift
  • Kotlin
  • Java
  • iOS
  • Android
  • Django
  • JavaScript
  • MySQL
  • PHP
  • Git
  • Node.js

Available

Part time, 4 days a week

Mathias Vogler

Located at Berlin

640€/day

Android Developer

19  views
  • Android
  • Kotlin
  • Java
  • iOS
  • Swift
  • PHP
  • Scrum
  • RXJava
  • Dagger
  • Koin
  • AndroidX
  • LiveData
  • Retrofit
  • Firebase
  • REST
  • JavaScript
  • MySQL
  • HTML5

Jaap Groeneveld

Located at Hamburg

920€/day

Senior Software Entwickler und Berater

301  views
  • Golang
  • kotlin
  • Spring
  • architektur
  • SOA
  • TDD
  • Ruby on Rails
  • Git
  • Docker
  • MySQL
  • Hibernate
  • Java
  • Google Cloud
  • serverless
  • cloud architecture
  • Amazon Web Services
  • lambda
  • kubernetes
  • DevOps
  • JavaScript
  • React.js
  • PostgreSQL
  • Beratung
  • Teamleitung
  • Team-Management
  • Technisches Management
  • Programmierung
  • Back-End-Entwicklung
  • Konzeption
  • HTML
  • CSS
  • Webservices
  • Api Design
  • REST
  • OOP
  • Domain Driven Design
  • jQuery
  • Git-SVN
  • Versionskontrolle
  • Mobile Entwicklung
  • Führung

Available

Part time, 1 day a week

Timo Rohrberg

Located at Berlin

756€/day

Expert Software Entwickler (Java/Kotlin)

69  views
  • Java
  • Kotlin
  • OSGi
  • Spring Boot
  • Microservices
  • Back-End-Entwicklung
  • Softwarearchitektur
  • Hibernate
  • MySQL
  • JavaScript
  • Git
  • HTML5
  • C++
  • C#
  • Groovy
  • Eclipse Equinox
  • Eclipse EMF
  • Eclipse RCP/RAP
  • PostgreSQL
  • Oracle
  • MongoDB
  • IntelliJ IDEA
  • Atlassian JIRA
  • Atlassian Confluence
  • Scrum
  • Kanban

Semen Vyshnyevetsky

Located at Stuttgart

555€/day

Senior Android Kotlin/Java Devoloper

1 recommendation
  • Android
  • Java
  • Kotlin
  • Native Android Devolpment
  • User Experience Design
  • User Interface Design
  • Mobile Design
  • Django
  • Python
  • HTML
  • CSS

Dennis Olschowka

Located at Köln

640€/day

Android & Flutter App Developer

77  views
  • Android
  • Flutter
  • Mobile Entwicklung
  • Mobile Anwendung
  • Kotlin
  • Java
  • Agile Methode
  • Cross-Platform
  • Code Reviews
  • Android SDK
  • Scrum
  • Kanban
  • kontinuierliche Integration
  • Jenkins
  • Android Jetpack
  • Reactive Programming
  • Clean Architecture
  • Firebase
  • Testautomatisierung
  • Espresso
  • iOS
  • Git
  • TDD
  • REST
  • Datenbanken
  • SQL
  • JavaScript
  • HTML5
  • CSS3
  • Spring

Available

Pascal Loth

Located at Hamburg

900€/day

Co-Founder & Software Engineer

43  views
  • Google Cloud
  • Flutter
  • Node.js
  • Firebase
  • Google Cloud Platform (GCP)
  • Kotlin
  • Typescript
  • React.js
  • Terraform
  • Dart
  • Java
  • Istio
  • JavaScript
  • Organisatorische Effizienz
  • Softwareentwicklung
  • Produktentwicklung
  • GCP
  • Computer-Vision
  • Maschinelles Lernen
  • Generative adversarial networks
  • Software Development
  • Deep Learning
  • C++
  • Docker
  • React
  • Python (Programming Language)
  • Linux
  • Kubernetes
  • Cloud Computing
  • C (Programming Language)
  • Microservices
  • Agile Project Management

Danh Nhan Phung

Located at München

850€/day

Agile Coach| technischer PO | Kotlin Fullstack Dev

1 recommendation
  • Agile Methode
  • Kotlin
  • Mobile Entwicklung
  • Product Owner
  • Android
  • Scrum
  • Java
  • Spring
  • Git
  • JavaScript
  • Kanban
  • MEAN
  • React
  • Flutter

Available

Part time, 2 days a week

Georgi D.

Located at München

1.000€/day

Senior Mobile Developer

19  views
  • Java
  • Android
  • Kotlin
  • iOS
  • Flutter
  • Mobile Anwendung
  • Mobile Entwicklung
  • objective-c
  • swift
  • Android Studio
  • xcode
  • dart
  • mvvm
  • android sdk
  • firebase
  • rxjava

Available

Lucas Sanches

Located at Berlin

278€/day

Senior Software engineer

31  views
  • C#
  • React.js
  • JavaScript
  • Kotlin
  • PHP
  • React Native
  • Java
  • MySQL
  • Node.js
  • Spring
  • ASP.NET Core
  • Python

Kevin Read

Located at Mühldorf

800€/day

Senior Full-Stack-Entwickler Mobile/Web/Backend

(1missions)
High Potential
  • Java
  • JavaScript
  • Android
  • React.js
  • Kotlin
  • C++
  • Node.js
  • MongoDB
  • Python
  • Bash
  • Gradle
  • API-Design
  • MQTT
  • IoT
  • HTML5
  • CSS3
  • MySQL
  • jQuery
  • Git
  • Docker

Bernhard Franke-Polz

Located at Kaiserslautern

640€/day

Senior Software-Entwickler

120  views
  • Android
  • Kotlin
  • Java
  • Backend
  • API
  • Scrum
  • Atlassian JIRA
  • Git
  • MySQL
  • JavaScript
  • HTML5
  • Zend
  • PHP
  • XML
  • jQuery
  • CSS3

Marko Jakic

Located at Munich

720€/day

Senior software engineer / JavaScript

2 recommendations
High Potential
  • Node.js
  • JavaScript
  • React.js
  • Java
  • Flutter
  • Spring Boot
  • Kotlin
  • React Native
  • GraphQL
  • Microservices
  • redux
  • CSS3
  • MySQL
  • Vue.js
  • Git
  • HTML5
  • Docker
  • Amazon Web Services

Matthias Eymers

Located at Hamburg

560€/day

Mobile App Developer

80  views
  • Android
  • Kotlin
  • Java
  • Coaching
  • Mobile Entwicklung
  • Mobile Anwendung
  • Mobile
  • REST
  • Dagger2
  • Okhttp
  • Retrofit
  • Git
  • MVP
  • Bitbucket
  • MVVM
  • Databinding
  • GitHub
  • C#
  • Scrum
  • Kanban
  • Agile Methode
  • Flutter
  • Dart

Rakshit Soni

Located at Berlin

270€/day

Android,iOS Developer

1 recommendation
  • Android
  • iOS
  • Kotlin
  • Java
  • JavaScript
  • MySQL
  • HTML5
  • CSS3
  • Node.js
  • React.js
  • Développement Front-End
  • Git
  • Spring
  • Développement web
  • RxJava

Michael Kreutz

Located at Berlin

889€/day

java & kotlin backend engineer

70  views
  • Java
  • Spring Boot
  • Amazon Web Services
  • Apache Kafka
  • Kotlin
  • PostgreSQL
  • Docker
  • Git
  • Hibernate
  • Kubernetes

Pyry K.

Located at Berlin

710€/day

Experienced Software Developer

1 recommendation
  • TypeScript
  • Kotlin
  • Python
  • React.js
  • JavaScript
  • Scala
  • Java
  • PostgreSQL
  • Functional Programming
  • MongoDB
  • Consulting
  • Beratung
  • Backend
  • Frontend
  • Software Architecture
  • Agile
  • Scrum
  • Kanban
  • AWS
  • Azure
  • Pandas
  • NumPy
  • Spring
  • Springboot
  • Node.js
  • Team Lead
  • Spark
  • PySpark
  • Kubernetes
  • Docker
  • Microservices
  • Data Engineering
  • Big Data
  • Apache Kafka

Andre Stoffel

Located at München

700€/day

Data Scientist / Software Entwickler / Ph.D.

1 recommendation
High Potential
  • Machine Learning
  • Python
  • Pytorch
  • Scikit-Learn
  • MongoDB
  • Kotlin
  • Deep Learning
  • Android
  • MySQL

Ivan Fenenko

Located at Berlin

700€/day

Senior Android Engineer

47  views
  • Android
  • Kotlin
  • Java
  • Android Development
  • Agile Methodologies
  • Scrum
  • mvvm
  • mvp
  • github actions
  • rxjava
  • dagger

Richard Meinsen

Located at Berlin

640€/day

IT Engineer

103  views
  • Java
  • Python
  • Kotlin
  • Dart
  • Systems Engineering
  • PostgreSQL
  • JavaScript
  • Alexa
  • Flutter
  • Keras
  • PyTorch
  • scikit
  • Typescript
  • C++ C
  • Linux
  • C#
  • Unity
  • Corda R3
  • Git-SVN
  • PostGIS
  • Apache Subversion
  • Docker
  • Kubernetes
  • Amazon Web Services
  • Architecture
  • Blockchain
  • Corda
  • Distributed Ledger
  • Gradle
  • IntelliJ
  • Object Oriented Programming
  • JDBC
  • Projektmanagement
  • Koordination
  • Consulting
  • AMQP
  • Command Line
  • Administration
  • Android SDK
  • mavlink
  • Android

Glenn Kintscher

Located at Liebenau

600€/day

Software Architect / Software Engineer

1 recommendation
  • C#
  • .NET
  • Kotlin
  • Node.js
  • PHP
  • Agile Methoden
  • Softwareentwicklung
  • Programmieren
  • Scrum
  • JavaScript
  • AngularJS
  • React.js
  • Xamarin
  • WPF
  • MongoDB
  • PostgreSQL
  • MySQL
  • ASP.NET
  • Java
  • WordPress
  • Zend Framework
  • MariaDB
  • Vue.js
  • Yii2
  • Unreal Engine 4

Lukas Klinger

Located at Marktheidenfeld

450€/day

Java/Kotlin Senior-Entwickler, C# Entwickler

55  views
  • Kotlin
  • Java
  • C#
  • Debian
  • .NET
  • Node.js
  • Webmastering
  • PL/SQL
  • SQL Server
  • PHP
  • PostgreSQL
  • MySQL

Arian Nozari Amini

Located at Köln

600€/day

Mobile/ App Developer

1 recommendation
  • Swift
  • iOS
  • React.js
  • Android
  • Java
  • Kotlin
  • reactnative
  • Scrum
  • JavaScript
  • Node.js
  • SwiftUI

Reginaldo Soares

Located at Berlin

520€/day

Senior Software Engineer, Tech Lead, IT-Consultant

130  views
  • Java
  • scala
  • kotlin
  • Apache Kafka
  • Cloud Computing
  • Amazon Web Services
  • Big Data
  • Docker
  • Kubernetes
  • Scrum
  • Google Cloud
  • CQRS
  • Vertx
  • Akka
  • Play Framework
  • Elasticsearch
  • Microservices
  • Hadoop
  • SOA
  • Oracle
  • J2EE
  • Spring

Available

Part time, 4 days a week

Frank M.

Located at Mannheim

890€/day

Senior Java, Kotlin, iOS, SpringBoot, Apache Kafka

19  views
High Potential
  • Kotlin
  • Java
  • Spring Boot
  • Swift
  • Spring
  • Apache Kafka
  • iOS
  • Amazon Web Services
  • React.js
  • rest
  • sqlite
  • spring mvc
  • gitlab
  • backend
  • redis
  • serverless

Marc-Oliver Scheele

Located at München

890€/day

Senior Developer / Lead / Java / Elasticsearch

49  views
Super Malter
  • Java
  • Kotlin
  • Elasticsearch
  • Grails
  • spring boot
  • Groovy
  • BigData
  • Scrum
  • Fullstack
  • IT-Architektur
  • Web
  • tech lead
  • schulungen
  • Datenbanken
  • Projektmanagement
  • microservices
  • CTO
  • Start-up
  • Lean Startup
  • Spring
  • job interviews
  • Intellj
  • Programming
  • Software Development
  • Software Architecture
  • Project Management
  • Start-up Consulting
  • Kotlin/Web
  • technical Lead
  • Software Consulting
  • JavaScript
  • Html
  • CSS

Roman Tikhonov

Located at München

990€/day

Lead Android Entwickler

9  views
  • Kotlin
  • Android
  • Java
  • Material Design
  • Dagger
  • RxJava
  • kotlin coroutines
  • Android Jetpack
  • Android Architecture Components
  • Mobile App Architecture
  • Android SDK
  • Mobile App performance

Dominik Grimmeisen

Located at Giengen an der Brenz

556€/day

Fullstack Web-Developer (Front- und Backend)

1 recommendation
  • AngularJS
  • JavaScript
  • Java
  • kotlin
  • TypeScript
  • React.js
  • Laravel
  • PHP
  • kontinuierliche Integration
  • Amazon Web Services
  • MySQL
  • NoSQL
  • Postgre
  • Devops
  • TDD
  • HTML5
  • CSS3
  • Bootstrap
  • Node.js
  • Spring
  • Git
  • Wordpress
  • SQL

Available

Detlef Folke

Located at Nürnberg

250€/day

Java Senior Backend Entwickler

237  views
  • Java
  • Spring Boot
  • REST
  • Kotlin
  • Microservices
  • Jboss
  • Apache Tomcat
  • Oracle
  • PostgreSQL
  • CDI
  • IntelliJ
  • Eclipse
  • Maven
  • Git
  • Hibernate
  • node.js
  • Express
  • React
  • TypeScript

Dennis Hering

Located at Bad Wünnenberg

550€/day

Senior Full Stack Developer

118  views
  • Typescript
  • AngularJS
  • Vue
  • NestJs
  • Laravel
  • Ionic
  • Kotlin
  • Electron
  • JavaScript
  • Java
  • HTML5
  • CSS3
  • Android
  • MySQL
  • Git
  • MongoDB
  • Nginx
  • Apache
  • Cordova
  • Node.js

Christoph Mayr

Located at München

784€/day

Senior Android Developer

55  views
  • Kotlin
  • Java
  • Android
  • Flutter
  • Dart
  • SOLID
  • UX

Matso Abgaryan

Located at Berlin

667€/day

Senior Android Engineer

3  views
  • Android SDK
  • Android Studio
  • Android
  • Kotlin
  • Java
  • Material Design
  • SQLite

Björn Hurling

Located at Hamburg

720€/day

Senior Software Engineer

8  views
  • Android
  • Kotlin
  • Material Design
  • Java
  • Typescript
  • Node.js
  • React.js

Sagar Balai

Located at Wolfsburg

350€/day

Senior Software Engineer

15  views
  • Java
  • kotlin
  • microservice
  • Big Data
  • Data analysis
  • Apache spa
  • apache ka
  • API
  • Hbase
  • TDD
  • Agile
  • solr
  • Scala
  • Spring boot
  • Spring Batch

Patrick Haas

Located at Aachen

640€/day

Senior Software Developer

43  views
  • Scrum
  • Java
  • Spring
  • Kubernetes
  • Docker
  • Ionic
  • TypeScript
  • REST
  • Kotlin
  • Git
  • HTML5
  • CSS3
  • Maven

Niklas Mengele

Located at Augsburg

668€/day

Full-Stack Cloud based Developer

87  views
  • Microsoft Azure
  • JavaScript
  • React.js
  • Typescript
  • Node.js
  • Amazon Web Services
  • Webentwicklung
  • Java
  • Cloud Computing
  • Mobile Anwendung
  • Events
  • Express
  • Redux
  • PHP
  • Python
  • SCSS
  • CSS
  • C
  • C++
  • Kotlin
  • Serverless

Available

Part time, Evenings & week-ends

Daniel Schulz

Located at Berlin

750€/day

Senior C#-Developer / Senior Mobile Developer

(1missions)
High Potential
  • Xamarin
  • C#
  • .NET
  • .NET Core
  • ASP.NET MVC
  • ASP.NET Core
  • Entity Framework Core
  • Entity Framework
  • Java
  • Kotlin
  • Swift
  • Objective-C
  • Git
  • HTML5
  • JavaEE
  • Active Directory
  • Exchange
  • SQL Server
  • Windows Server
  • PostgreSQL
  • PHP
  • VMWare
  • Netzwerk
  • Cisco
  • Consulting
  • VPN
  • Administration
  • Scrum
  • Kanban
  • Android
  • iOS
  • MCSA
  • MCSD
  • UWP

Available

Chris Kahlefendt

Located at Hamburg

800€/day

Full Stack / Mobile / Cloud Developer

80  views
  • React.js
  • Google Cloud
  • Softwareentwicklung
  • Cloud
  • next.js
  • Projektmanagement
  • Firebase
  • Kotlin
  • flutter
  • TypeScript
  • Amazon Web Services
  • Microsoft Azure
  • Vue.js
  • TensorFlow
  • Python
  • C++
  • Go
  • Microservices
  • Terraform
  • CI / CD
  • Docker
  • Kubernetes

Maximilian Brenner

Located at Leipzig

800€/day

DevOps/Cloud Consultant

117  views
  • DevOps
  • Microsoft Azure
  • Kubernetes
  • Helm
  • Terraform
  • CI/CD
  • Docker
  • Monitoring
  • Ansible
  • Python
  • Bash
  • Kotlin
  • Amazon Web Services
  • GitOps
  • FluxCD
  • ArgoCD
  • ELK Stack
  • TICK Stack
  • Icinga
  • Checkmk
  • Linux
  • Ubuntu
  • Debian

Finn Poppinga

Located at Hamburg

1.000€/day

Software Engineer - Professional Cloud Architect

68  views
  • Cloud
  • Externes Code Review
  • Terraform
  • Kubernetes
  • Microservices
  • Softwareentwicklung
  • Agile
  • Produktentwicklung
  • Google Cloud
  • Mobile Anwendung
  • TypeScript
  • Kotlin
  • Go
  • Cybersicherheit
  • Due-Diligence
  • Microsoft Azure
  • Flutter
  • Continuous Deployment
  • Serverless
  • apache kafka
  • React.js

Kai Wolf

Located at Wiesbaden

850€/day

Software Consultant

254  views
  • C++
  • Java
  • Python
  • Bildverarbeitung
  • Computer Vision
  • Machine Learning
  • Software-Architektur
  • CMake
  • Android
  • Kotlin
  • RenderScript
  • Git
  • Docker
  • HTML5
  • MySQL

Thomas Blum

Located at München

480€/day

Full-Stack-Developer

(4missions)
  • Swift
  • Java
  • JavaScript
  • Scrum
  • Android
  • iOS
  • Node.js
  • C++
  • Atlassian JIRA
  • Git
  • Docker
  • PHP
  • Eclipse
  • Android studio
  • Gitlab
  • Xcode
  • Kotlin
  • Gradle
  • Cocoapods
  • NPM
  • Express.js
  • PostgreSQL
  • SQL
  • HTML5
  • CSS3
  • JSON
  • XML
  • C
  • Assembler
  • Ocaml
  • Python
  • Visual Basic
  • Atlassian Confluence
  • Bamboo
  • SourceTree
  • Microsoft Word
  • Microsoft Excel
  • Microsoft Powerpoint
  • Microsoft Office
  • Bitbucket
  • Atom
  • Linux
  • Debian
  • Ubuntu
  • Websocket
  • Git-SVN

Available

Christian Eichmueller

Located at München

670€/day

Android, iOS, Flutter Developer & Projekt Manager

(8missions)
High Potential
  • Android
  • iOS
  • Mobile Entwicklung
  • Mobile Design
  • Flutter
  • App Development
  • Mobile Anwendung
  • Back-End-Entwicklung
  • Java
  • Swift
  • Firebase
  • User Interface Design
  • CI/CD
  • Node.js
  • Webentwicklung
  • Projektmanagement
  • Kotlin

Pedro Fernandes

Located at Berlin

500€/day

C#, Python, JavaScript / React.js Expert

18  views
  • C#
  • Python
  • React.js
  • React Native
  • JavaScript
  • API
  • Machine learning
  • Deep Learning
  • Kotlin
  • Pandas
  • Scikit-learn

Bouraoui M.

Located at Berlin

300€/day

Android software Engineer (20+ apps)

49  views
  • Java
  • Xamarin
  • C#
  • .NET
  • ASP.NET MVC
  • PHP
  • JavaScript
  • Android
  • Kotlin
  • Angular
  • Spring

Micaël Paganotto

Located at Bergisch Gladbach

444€/day

Développeur Java, VBA, Ruby, PHP, SQL

56  views
  • Java
  • C#
  • VBA
  • Ruby
  • PHP
  • PL/SQL
  • SQL
  • JavaScript
  • MySQL
  • phpMyAdmin
  • SQL Server
  • Oracle
  • Python
  • Microsoft Access
  • Microsoft Excel
  • Microsoft Office
  • Bash
  • Linux
  • UNIX
  • Crypto
  • R
  • Kotlin
  • Pharo
  • Android
  • Android Studio
  • Netbeans
  • Eclipse
  • IntelliJ
  • Machine learning
  • Français
  • Anglais
  • Recherche clinique
  • Biomédical

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