08/30/2025 updated

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100 % available

Kotlin/Java/Javascript Fullstack Developer

Kúty, Slovakia
Only remote
Master in Computer Science
Kúty, Slovakia
Only remote
Master in Computer Science

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C (Programming Language)Java (Programming Language)JavaScript.NET FrameworkPHPAmazon Web ServicesApple IOSHTML5C++ (Programming Language)Cascading Style Sheets (CSS)Computer SecurityInformation SystemsWeb DevelopmentDojo ToolkitECMAScript (C Programming Language Family)Perl (Programming Language)GroovyJavaFXSpring FrameworkApache StrutsSwing (Java)PostgreSQLMicrosoft SQL ServersMySQLMessage Queuing Telemetry Transport (MQTT)MyBatisNode.jsOpenShiftOracle SQL DeveloperWindows PowerShellAnsiblePrometheusSimple Object Access Protocol (SOAP)PL-SQLTypeScriptWebSocketReact.jsGrafanaBrowserstackSpring BootSpockBackendKotlinWebpackAngularJSMaterial UIKubernetesApache KafkaSearch EnginesGraphQLFront End Software DevelopmentReact ReduxElastic KibanaCucumber (Software)Ansible TowerMochaDockerElixirJenkinsMicroservices
Top skills:
Kotlin, Java, Spring Boot, Ansible, React, Vue, Javascript

Advanced knowledge in:
Docker, Information Technology Security, , Microservice architecture, Node.js, Redux, Terraform, Cloud (Azure & AWS)

Medium level skills:
Kafka, Kubernetes, CSS3, Grafana, GraphQL, Jest, Jenkins, Kibana, Oracle PL/SQL, Postgres PL/SQL, Prometheus, PHP, SOAP, Perl, Typescript, Webpack, Cucumber

Limited experience with:
.NET, Browserstack, C programming language, C++, Elixir, Material UI, MQTT,  MS SQL Server, Mocha, Openshift, , PL/SQL, Spock, Websockets, PowerShell

Experience

Professional experience10+ years
Freelancer since2012

Languages

GermanFluentEnglishFluentFrenchGoodPortugueseGoodRomanianGoodSlovakNative speakerSpanishFluent

Project history

Senior Software Engineer

Capco

Banking & Financial Services

50-250 team member

  • Integration of a job-scheduling tool JS7 for a small bank
  • Migrating manually created Azure Cloud deployment to Terraform
  • Tech: Terraform, JS7, MS SQL Server, PowerShell, .NET

Senior Java & DevOps Engineer

Swiss National Bank

Banking & Financial Services

1000-5000 team member

  • Bugfixing and feature implementation in Java Spring Boot, Groovy & Python
  • Migration of Ansible deployment scripts to Ansible Automation Platform
  • Tech: Ansible, Ansible Automation Platform, Java, Groovy, Spring Boot, JBoss, Oracle, Eclipse Rich Client Platform

Kotlin Spring Boot Developer

REWE

>10.000 team member

Development of a microservice backend supporting online ordering platform. Tech: Kotlin
Spring Boot, Kafka, Postgres, ArgoCD, Prometheus, Grafana, Kibana

Typescript React Developer

Zurich Insurance

Insurance

>10.000 team member

Development of a frontend of a portal for insurance brokers. Tech: React, Typescript,
Material UI, Recoil, GraphQL, Camunda

Kotlin Spring Boot/React Fullstack Developer

Wiener Wohnen

1000-5000 team member

Development of a multi-client (Web, Android/iOS-App), micro-service application. Tech: Kotlin
Spring Boot, React, GraphQL, Kafka, Kubernetes, Helm, Cucumber e2e-Tests, Jest, Jenkins

Java/Kotlin Spring Boot App-Backend Developer

Magenta

1000-5000 team member

I was a developer of a microservice backend for Magenta OneApp. Tech: Java/Kotlin Spring
Boot, Spock (Groovy), Oracle PL/SQL, MyBatis, Jenkins, Openshift

React/Java 8 Spring Developer

Open Force

10-50 team member

I was a developer in a team writing an administration application for key card entry systems.
Tech: React, Ramda, Less, Java 8/Spring, PostgreSQL, Websockets, MQTT, JavaFx, Docker,
Nightwatch, Browserstack.

Elixir/Angular tech cofounder

< 10 team member

The only developer of a risk management tool "Balance Scorecard". Tech: Elixir, Angular

PHP programmer

DEMV Systems GmbH

Insurance

10-50 team member

I was developing a tool for comparing insurance offers on the German market. Tech: PHP,
MySQL, Dojo, SOAP. (http://www.demv.de/)

Perl & Oracle Developer

Masaryk University

Other

5000-10.000 team member

* I was a programmer in a team developing the information system of our university. The system
had 40.000 daily users (http://is.muni.cz/nas_system/?lang=en)
* I optimized PL/SQL Procedures for better performance
* I designed and implemented new versions of the part dedicated to students (course
applications, seminar groups enrollment etc.)

Java Junior Programmer

iSEC - IT Services and Enterprise Communications

Internet & IT

50-250 team member

* bugfixing and implementation of new features in a Java Swing tool for testing of the SIP protocol
* designed and implemented a web-client for the tool in Java Struts 2

Teacher of the "Introduction to the C programming language" und "C++ Programming"

Masaryk University

Other

5000-10.000 team member

Thanks to my good student results, I was offered the possibility to lead the seminar groups
of two university courses

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