Java JEE, Spring Boot,ReactJS, Javascript, Typescript, Angular, Ionic, REST, HTML/HTML5, AWS Cloud, JMS JPA JSF, JSP, MySQL Oracle WildFly
Aktualisiert am 19.10.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.11.2024
Verfügbar zu: 100%
davon vor Ort: 100%
Java
ChatGPT
ReactJS
Spring Boot
Java EE
JavaScript
GPT4
TypeScript
Python
Node.js
Chatbot
Langchain
Ionic
Angular
REST
AWS
Semantic Search
OpenAI
VectorDatabases
Pinecone
OpenAI Whisper
MySQL
Deutsch
verhandlungssicher
Englisch
verhandlungssicher

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich

Bevorzugt Remote.


möglich

Projekte

Projekte

5 Jahre 10 Monate
2019-02 - heute

Various projects in development, deployment, testing running in parallel or subsequently

Senior Java Developer
Senior Java Developer

Various projects in development, deployment, testing running in parallel or subsequently among them:

1- Backend Microservices in the logistics and transportation industry / Leitstellendienste (Busses, Trains and

Trams) based on Quarkus 1.x/2.x, Quarkiverse Extensions, Apache CXF, RabbitMQ Client, Messaging,

RabbitMQ, Protobuf, SOAP, Oracle, IntelliJ, Eclipse, SoapUI, Git, Bitbucket, Jenkins, Jira, Confluence etc.

Senior Java Developer.

2- Create web based and Hybrid/Mobile/PWA eCommerce Apps utilizing Ionic 4/5, Angular, Cordova,

React/React Native.

Local Minikube Kubernetes cluster for the deployment of front end (Angular + Ionic) with the JHipster Spring

Boot backend microservices, Eureka.

Deployment on Google GKE using Docker Hub, gcr.io Google Container Registry, jib plugin.

Using Visual Studio Code with Cloud Code + Azure Kubernetes extension to create, test debug apps/web

applications in the cluster/pods.

Also using AWS Toolkit extension with AWS + SAM CLI + AWS CDK for AWS related cloud activities

resource management etc.

3- Create a Weather App personalized and configurable for specific client in the domain of sports, events,

manufacturing/industry etc.

Dockerized set of applications + MongoDB. A weather data processor back end implemented in Java, Spring

Boot and the back end REST services for the VueJS/Leaflet/OpenWeatherMaps front end.

4- Web based applications to collect and process governmental statistical data on large scale using all

possible channels, desktops, mobile devices, phone etc.

Back end based on Spring, REST services, Spring Data, Oracle DB, Camunda and the front end

implemented with JSF, GWT and Angular 7, Primeng, Angular JS and JQuery and regular HTML5, CSS and

Javascript.

5- Data migration MySQL to Dynamo DB in Amazon Cloud, Lambda Functions / Node + Java, AWS API

Gateway. EC2 instances.

6- Creating Added Services Apps (Web & Android Based, Java + Kotlin) around Big Data & AI/Machine

Learning for consumer applications. Image & Product recognition, product information, translation, AI based

OCR both online and locally.

7- Financial Apps with real time stock market information via IEXtrading.com / IEXcloud

8- Lightsail self mananged stand alone servers, including Wordpress + Woocommerce Multi Vendor Stores,

both self managed as well Plask and WO based.

9- New Features for the customer applications for a health insurance.

Quite a number of Spring Boot based microservices with JDK 11, Camunda Engine. Evaluating Openshift

Kubernetes to deploy company's microservices.

10- A Stock Trader Application (Web based and Mobile Apps) for real time zero commission and automated

algo trading. Front end implemented in Ionic 5 with Angular and the back end is on Jhipster Spring Boot with

KeyCloack OIDC, OAuth 2 + Python services for the fintech functions (Postgresql, TimescaleDB, FastAPI,

Flask, Pandas, Numpy, plotly, ta-lib, tulipy, sqlalchemy, redis, alpaca-trade-api, yfinance, backtrader,

backtesting, uvicorn, requests, websockets, websocket-client).

Using VS Code with Cloud Code + AWS Toolkit to create + manage Kubernetes clusters + deploy, test and

debug the code in the cloud (Google GKE, AWS cloud / Amazon EKS, Azure AKS).

Technology & Tools:

  • Java, Spring Boot, Camunda, JHipster, JPA, Hibernate, REST, Swagger, JSON, JUnit, JmockIt, Mockito, Hamcrest, Selenium,JMeter, Apache ab, Insomnia, Postman, SoapUI, Testcontainers

  • Angular 8/10, Ionic 4/5, Javascript, Typescript, SPA, PWA, Node, npm, Protractor. Jasmine, Puppeteer, Prime NG

  • Bootstrap, HTML 5, CSS, Sass, JQuery, DataTables, AngularJS, Polyfills

  • React , VueJs, Quasar, Leaflet, Weacast,

  • Python, Numpy, Pandas, MatplotLib, Flask, FastAPI, Charts, Finance data (historic + real time)

  • SQL, MongoDB, MySQL, DB2, Wordpress

  • Tomcat 9, JSF, Primefaces, Icefaces, Gwt

  • Ubuntu, Git, GitHub, Bitbucket, Artifactory

  • JWT, OIDC, OAuth 2.0, KeyCloak, Bcrypt,

  • AWS Cloud, AWS CDK, S3 Bucket, Amazon Lambda, API Gateway, IAM, EC2, AWS LightSail, Linux, Nginx,

  • Docker, DockerHub, Kubernetes, Openshift, SSL, Loadbalancer, AWS Hosting & Server Security, DDOS,

  • Oracle VM VirtualBox

  • Google Firebase, Mobile Machine Learning, Google ML Kit, Google Search,

  • Google Products, Google Maps / Geolocation / Geofencing / Google Places,

  • Tesseract OCR Reader, Google AI OCR, QR/Barcode Scanner, PDF.js,

  • OpenCV, Image Recognition & Processing,

  • Visual Code, Eclipse, Android Studio 3.x, NetBeans 8.2, IntelliJ, jEddict DB JPA Modeler, MySQL

  • Workbench, Spring Tool Suite 4, Squirrel, Git Bash, TortoiseGit,

  • Chrome/Firefox Developer Tools, Augury, Lighthouse, Postman, Insomnia,

  • Android SDK, Android & Genymotion Emulator,

  • Testing (unit, integration, stress, load, manual)

  • AI/Machine & Deep Learning, Big Data, Data Streaming, TensorFlow, SkLearn, Keras, Python, Pandas, NumPy, Matplotlib, Dataset Providers, IEX Trading, Tradier, Alpaca, Quandl, Quantopian, Investopedia, TradingView, Algotrading, Backtesting, BlockChain, Statistics, Analytics

  • Anaconda, PyCharm, Jupyter Notebook

Various industries
Spain/Portugal/Austria/Switzerland/Germany
8 Monate
2018-07 - 2019-02

Creating mobile and web based applications

Senior Java Developer
Senior Java Developer

Creating Android based mobile applications, among them health & sports app,

online services, transactions, reservations and administering data and configurations for the applications.

Technology & Tools:

  • Android SDK, Google Fuse Location Provider, GPS & Google Maps

  • Angular 6, Javascript, Typescript, CSS, Node, npm

  • React & React Native

  • Java 8, Spring, REST Services, Swagger, JPA, OAuth 2.0, MySQL7, Testing (unit, integration, stress, load, manual), JUnit, Arquillian, JmockIt, Mockito, Hamcrest, Selenium, Apache ab, SQL,

  • Json, Payara 5.x, Wildfly 13.x

  • Android Studio 3.x, NetBeans 8.2/9, IntelliJ, MS Visual Code, Eclipse Photon,

  • jEddict DB JPA Modeler, MySQL Workbench, Git bash, Tortoise

Valencia/Spain
6 Monate
2017-12 - 2018-05

Training in modern Web Frameworks & AI, Machine Learning

Training in modern Web Frameworks & AI, Machine Learning
Training in modern Web Frameworks & AI, Machine Learning

Training & Update in modern Web Frameworks, Mobile Development, AI, Machine Learning

- Angular 2+ (4-7)

- Javascript (ES5, 6, 7)

- Typescript

- Node

- React

- React Native

- Firebase

- Visual Code

- npm, Yarn, Jasmine, Selenium

- Ubuntu 18, Docker, VirtualBox

- AWS Cloud Computing, OpenShift

- Android SDK 26+, Android Studio, Genymotion, GPS & Location based services, Google

Fuse Location Provider, Google Map, Google Play

- Kotlin

- AI (Artificial Intelligence), Deep & Machine Learning, Algorithms & Data Science, Python,

Anaconda, JEE8, Jakarta EE, MicroProfile, Metrics, Prometheus, Java 9, 10,

Netbeans 10, MySQL 8, WildFly 13

Heidelberg / Greece
7 Monate
2017-05 - 2017-11

Planungs und Ortungsapplikation

Senior Java Developer
Senior Java Developer

Refactoring a critical application of the company for live tracking and planning their transportation fleets and facilities. Also implementing new features and fixing bugs.

The applications is based on JEE7 running on Jboss EAP 7.01 in the Amazon AWS cloud.

Technologies involved are: Java 8, REST Services, EJB 3.1/3.2, MDB, JMS 1.0/2.0, Artemis ActiveMQ, JPA 2, Postgres 9.6 , with GIS Geo extensions, EJB Timers & Schedulers, Singletons, HASingletons, JBoss EAP cluster, Testing, Junit, Arquillian, Jmockit, Flyway, MQTT, IBM MessageSight, Eclipse Paho MQTT Library, SQL, UML, XML, Json, Swagger



Tools used:

Eclipse Neon / JbossTools 4.4, PgAdmin 3 & 4, jRebel, Git bash, Tortoise, Enterprise Architect, IBM Rational Software Architect, MobaXterm, Lotus Notes, NetBeans 8.2, Primefaces 5, Wildfly 10, React, Yarn, Node, npm, Windows 7 Enterprise, Linux

Transportation & Logistics
Transportation & Logistics
5 Monate
2016-11 - 2017-03

Apps und Webanwendungen

Senior Java Developer
Senior Java Developer



Supporting the development of various apps/tools to administrate own facebook accounts, and later twitter. Running reports and statistics of the past own and friend's activity. Obviously embedding the apps as FB Canvas. Sharing and publishing announcements, buy & sell. Creating events and mailing lists for page admins and extending the communication with users.



Technologies & Tools:

Java 7/8, JEE7, EJB3.x, IoC & Injections, JMS, Web Services, REST, Jersey, RESTEasy, PostMan, SOAP UI, Chrome NetBeans Connector, JSON, XML, JAXB, AngularJS, Angular 2.0, Security, OAuth 2.0, Authentication & Authorization(JEE & Token based), Spring Boot, Spring Data, Karma, Protractor, WebDriver, Jasmine, NPM, Node, Bower, Grunt, Javascript, TypeScript, jQuery, HTML5, CSS, JPA, Hibernate, MySQL, Selenium, GIT, SourceTree, WildFly 10, GlassFish 4.1, Maven, NetBeans 8.x, Eclipse NEON, Eclipse JBossTools 4.x, JBossStudio 10.x. Docker, Amazon WS, RedHat OpenShift PaaS , UMLet, Facebook & Twitter Integration,, JUnit, Mockito, Arquillian, Embedded EJB Container Testing, Forge, MVC, Java Patterns, Agile, Requirements, Analysis, Design, Unit & Functional & Integration Testing, TDD, Front & Back End, Linux, Transactions (Container & Bean Managed) , VisualVM.

Schweiz
Bern
4 Monate
2016-06 - 2016-09

Onlineanwendung für Verischerungskundne und Broker

Senior Java Developer
Senior Java Developer

Entwicklung, Erweiterung und Testen von neuen Features/Anforderungen für eine web basierte Anwendung im bereich Versicherungen für Kunden und Versicherungsbroker.



Als Senior Java Developer war ich zuständig für die Aufnahme von neuen Anforderungen, Klärung und Erläuterung mit dem Fachbereich und dann die Implementierung und Testen auf der Server- und Frontendseite.

Die Anwendung wurde schweizweit von Kundne und Brokern benutzt.



Technologies & Tools:

Java 7, JEE6, GWT, Richfaces, SEAM, Web Services, Javascript, jQuery, CSS, DB2, DbVisualizer, Squirrel, Selenium, JIRA, Jenkins, GIT, SourceTree, JBoss EAP 6.4.7, Maven, JRebel.

Java 7 JEE6 GWT Richfaces SEAM Web Services Javascript jQuery CSS DB2 DbVisualizer Squirrel Selenium JIRA Jenkins GIT SourceTree JBoss EAP 6.4.7 Maven JRebel
Versciherung
Winterthur - Schweiz
4 Monate
2016-03 - 2016-06

Onlinebankenanwendung für Premiumkunden

Senior Java Developer
Senior Java Developer

Entwickeln, Testen und Deployen von web basierten Applikationen, die von bevorzugte n internationalen Kunden der Bank benutzt werden, um die gesonderten Services nutzen zu können.

Ds Projektteam besteht aus mehr als 50 Entwicklern, Architekten, Testern usw. , die aus verschiedenen Lokationen in der US, Europa und Indien am Projekt arbeiten



Technologies & Tools:

Java 7, JEE6, JPA, JSF2, Primefaces, Web Services, REST (JAX-RS), Authentication, Javascript, jQuery, CSS, Oracle, Orcael SQL Developer, Eclipse, Nexus, JIRA, GIT, Websphere, Tomcat, Maven.

Java 7 JEE6 JPA JSF2 Primefaces Web Services REST (JAX-RS) Authentication Javascript jQuery CSS Oracle Orcael SQL Developer Eclipse Nexus JIRA GIT Websphere Tomcat Maven.
Finance
Genf - Schweiz
5 Monate
2015-09 - 2016-01

Informations und Buchungsdienste im Bereich Tourismus

Senior Java Developer Java JEE7 JPA ...
Senior Java Developer

Entwicklung von Informations und Buchungsdiensten im Bereich Tourismus, Hotels etc.

Neben Weboberflächen in JSF Integration mit Facebook und Android Apps.

CSS Android Framework MySQL MongoDB IntelliJ Android Studio
Java JEE7 JPA JSF2 Primefaces AngularJS Javascript jQuery
Köln
7 Monate
2015-01 - 2015-07

BestellPortal

Senior Java Developer Java, JEE, SAP, Oracle
Senior Java Developer
Weiterentwicklung eines Portals für Bestellungen füe einen Konzern in Köln.
Eclipse, Toad, SQL Developer, Jenkins, Jira
Java, JEE, SAP, Oracle
Köln
9 Monate
2014-03 - 2014-11

Inhouse Development and Services

Senior Java Developer Java 7, NoSQL, Apache Cassandra, JPA, JEE5/6, JSF 1.2/2, Richfac Scrum & agile programming
Senior Java Developer
Entwicklung von Java basierten Anwendungen für ein grosses amerikanisches Telekomunternehmen wie Abrechnungsanwendungen, Berichte und Statistiken aus NoSQL Datenbanken, web basierte Administrationsportale sowie den Betrieb und Pflege der Anwendungen und Applikationsservern. Als Senior Java developer bin ich Teil eines Teams, dass mehr als 20 Mitglieder hat, die teilweise auch in den USA und Indien sich befinden.
Eclipse Kepler, JBossTools, Netbeans 7.4/8, VM Player.
Java 7, NoSQL, Apache Cassandra, JPA, JEE5/6, JSF 1.2/2, Richfac Scrum & agile programming
Belgien
9 Monate
2013-04 - 2013-12

Value Added Services

Senior Java Developer Java 6, MySQL 5.x, JPA, GlassFish 4, JBoss 6, Javascript, jQuery
Senior Java Developer
Entwicklung von in Facebook eingebetteten Applikationen, um die Mitglieder und regsitrierten User der Organisationen und Kunden miteinander zu verbinden. Entwicklung von Facebook basierten Apps, um verschieden Services zusätzlich zu den oben genannten anzubieten, wie das Publizieren von Content, Anzeigen für Suche/Biete.
Eclipse Kepler, Maven, Subversion.
Java 6, MySQL 5.x, JPA, GlassFish 4, JBoss 6, Javascript, jQuery
Basel/Schweiz und Frankreich

Aus- und Weiterbildung

Aus- und Weiterbildung

1- Dipl.-Ing. für Nachrichtentechnik
2- 1 Jahr Fortbildung als "PC Spezialist" bei Siemens Nixdorf Bonn


Position

Position

Projekte in einem der folgenden Schwerpunkten, oder die Kombination:

1- Java/JEE/REST

2- Frontend Angular/Javascript/Typescript/Ionic/Cordova/Node, Mongo DBHTML, CSS

3- AWS Cloud, Lightsail, Nginx, Ubuntu, SSL, Zertfikate, Security, Firewall, Wordpress

Kompetenzen

Kompetenzen

Top-Skills

Java ChatGPT ReactJS Spring Boot Java EE JavaScript GPT4 TypeScript Python Node.js Chatbot Langchain Ionic Angular REST AWS Semantic Search OpenAI VectorDatabases Pinecone OpenAI Whisper MySQL

Produkte / Standards / Erfahrungen / Methoden

VS Code
Experte
Eclipse
Experte
IntelliJ
Fortgeschritten
JEE
Experte
Spring Boot
Experte
REST (JAX-RS)
Experte
MIcroservices
Experte
Angular
Experte
Ionic
Fortgeschritten
React
Fortgeschritten
React Native
Basics
AWS
Experte
Cloud
Experte
Authentication
Experte
Webentwicklung
Experte
Android
Fortgeschritten
Android Studio
Fortgeschritten
JSF
Experte
Primefaces
Experte
Tomcat
Experte
JBoss EAP 6.4.7
Experte
CSS
Fortgeschritten
GIT
Experte
Jenkins
Basics
JIRA
Experte
Maven
Experte
Scrum
Experte

Betriebssysteme

Linux
Experte
Mac OS
Fortgeschritten
MS-DOS
Experte
Windows
Experte

Programmiersprachen

Java
Experte
JavaScript
Experte
Kotlin
Basics
PHP
Experte
Pyhton
Fortgeschritten
TypeScript
Experte

Datenbanken

DB2
Fortgeschritten
JDBC
Experte
MongoDB
Fortgeschritten
MySQL
Experte
ODBC
Experte
Oracle
Experte
Postgres
Experte
SQL
Experte
JPA
Experte
Hibernate
Experte

Hardware

PC
Experte
Mc
Fortgeschritten

Branchen

Branchen

Erfahrungen in diesen Bereichen:

1- Telekommunikationsunternehmen

2- Logistics & Transport

3- Versicherung, Krankenkasse

4- Versicherungsbank

5- Internet Services Provider ISP

6- Sport/ FIFA

7- Internationale Portalanbieter

8- Behörden & Organisationen

9- Supply Chain Management, CRM, SCM, SRM

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich

Bevorzugt Remote.


möglich

Projekte

Projekte

5 Jahre 10 Monate
2019-02 - heute

Various projects in development, deployment, testing running in parallel or subsequently

Senior Java Developer
Senior Java Developer

Various projects in development, deployment, testing running in parallel or subsequently among them:

1- Backend Microservices in the logistics and transportation industry / Leitstellendienste (Busses, Trains and

Trams) based on Quarkus 1.x/2.x, Quarkiverse Extensions, Apache CXF, RabbitMQ Client, Messaging,

RabbitMQ, Protobuf, SOAP, Oracle, IntelliJ, Eclipse, SoapUI, Git, Bitbucket, Jenkins, Jira, Confluence etc.

Senior Java Developer.

2- Create web based and Hybrid/Mobile/PWA eCommerce Apps utilizing Ionic 4/5, Angular, Cordova,

React/React Native.

Local Minikube Kubernetes cluster for the deployment of front end (Angular + Ionic) with the JHipster Spring

Boot backend microservices, Eureka.

Deployment on Google GKE using Docker Hub, gcr.io Google Container Registry, jib plugin.

Using Visual Studio Code with Cloud Code + Azure Kubernetes extension to create, test debug apps/web

applications in the cluster/pods.

Also using AWS Toolkit extension with AWS + SAM CLI + AWS CDK for AWS related cloud activities

resource management etc.

3- Create a Weather App personalized and configurable for specific client in the domain of sports, events,

manufacturing/industry etc.

Dockerized set of applications + MongoDB. A weather data processor back end implemented in Java, Spring

Boot and the back end REST services for the VueJS/Leaflet/OpenWeatherMaps front end.

4- Web based applications to collect and process governmental statistical data on large scale using all

possible channels, desktops, mobile devices, phone etc.

Back end based on Spring, REST services, Spring Data, Oracle DB, Camunda and the front end

implemented with JSF, GWT and Angular 7, Primeng, Angular JS and JQuery and regular HTML5, CSS and

Javascript.

5- Data migration MySQL to Dynamo DB in Amazon Cloud, Lambda Functions / Node + Java, AWS API

Gateway. EC2 instances.

6- Creating Added Services Apps (Web & Android Based, Java + Kotlin) around Big Data & AI/Machine

Learning for consumer applications. Image & Product recognition, product information, translation, AI based

OCR both online and locally.

7- Financial Apps with real time stock market information via IEXtrading.com / IEXcloud

8- Lightsail self mananged stand alone servers, including Wordpress + Woocommerce Multi Vendor Stores,

both self managed as well Plask and WO based.

9- New Features for the customer applications for a health insurance.

Quite a number of Spring Boot based microservices with JDK 11, Camunda Engine. Evaluating Openshift

Kubernetes to deploy company's microservices.

10- A Stock Trader Application (Web based and Mobile Apps) for real time zero commission and automated

algo trading. Front end implemented in Ionic 5 with Angular and the back end is on Jhipster Spring Boot with

KeyCloack OIDC, OAuth 2 + Python services for the fintech functions (Postgresql, TimescaleDB, FastAPI,

Flask, Pandas, Numpy, plotly, ta-lib, tulipy, sqlalchemy, redis, alpaca-trade-api, yfinance, backtrader,

backtesting, uvicorn, requests, websockets, websocket-client).

Using VS Code with Cloud Code + AWS Toolkit to create + manage Kubernetes clusters + deploy, test and

debug the code in the cloud (Google GKE, AWS cloud / Amazon EKS, Azure AKS).

Technology & Tools:

  • Java, Spring Boot, Camunda, JHipster, JPA, Hibernate, REST, Swagger, JSON, JUnit, JmockIt, Mockito, Hamcrest, Selenium,JMeter, Apache ab, Insomnia, Postman, SoapUI, Testcontainers

  • Angular 8/10, Ionic 4/5, Javascript, Typescript, SPA, PWA, Node, npm, Protractor. Jasmine, Puppeteer, Prime NG

  • Bootstrap, HTML 5, CSS, Sass, JQuery, DataTables, AngularJS, Polyfills

  • React , VueJs, Quasar, Leaflet, Weacast,

  • Python, Numpy, Pandas, MatplotLib, Flask, FastAPI, Charts, Finance data (historic + real time)

  • SQL, MongoDB, MySQL, DB2, Wordpress

  • Tomcat 9, JSF, Primefaces, Icefaces, Gwt

  • Ubuntu, Git, GitHub, Bitbucket, Artifactory

  • JWT, OIDC, OAuth 2.0, KeyCloak, Bcrypt,

  • AWS Cloud, AWS CDK, S3 Bucket, Amazon Lambda, API Gateway, IAM, EC2, AWS LightSail, Linux, Nginx,

  • Docker, DockerHub, Kubernetes, Openshift, SSL, Loadbalancer, AWS Hosting & Server Security, DDOS,

  • Oracle VM VirtualBox

  • Google Firebase, Mobile Machine Learning, Google ML Kit, Google Search,

  • Google Products, Google Maps / Geolocation / Geofencing / Google Places,

  • Tesseract OCR Reader, Google AI OCR, QR/Barcode Scanner, PDF.js,

  • OpenCV, Image Recognition & Processing,

  • Visual Code, Eclipse, Android Studio 3.x, NetBeans 8.2, IntelliJ, jEddict DB JPA Modeler, MySQL

  • Workbench, Spring Tool Suite 4, Squirrel, Git Bash, TortoiseGit,

  • Chrome/Firefox Developer Tools, Augury, Lighthouse, Postman, Insomnia,

  • Android SDK, Android & Genymotion Emulator,

  • Testing (unit, integration, stress, load, manual)

  • AI/Machine & Deep Learning, Big Data, Data Streaming, TensorFlow, SkLearn, Keras, Python, Pandas, NumPy, Matplotlib, Dataset Providers, IEX Trading, Tradier, Alpaca, Quandl, Quantopian, Investopedia, TradingView, Algotrading, Backtesting, BlockChain, Statistics, Analytics

  • Anaconda, PyCharm, Jupyter Notebook

Various industries
Spain/Portugal/Austria/Switzerland/Germany
8 Monate
2018-07 - 2019-02

Creating mobile and web based applications

Senior Java Developer
Senior Java Developer

Creating Android based mobile applications, among them health & sports app,

online services, transactions, reservations and administering data and configurations for the applications.

Technology & Tools:

  • Android SDK, Google Fuse Location Provider, GPS & Google Maps

  • Angular 6, Javascript, Typescript, CSS, Node, npm

  • React & React Native

  • Java 8, Spring, REST Services, Swagger, JPA, OAuth 2.0, MySQL7, Testing (unit, integration, stress, load, manual), JUnit, Arquillian, JmockIt, Mockito, Hamcrest, Selenium, Apache ab, SQL,

  • Json, Payara 5.x, Wildfly 13.x

  • Android Studio 3.x, NetBeans 8.2/9, IntelliJ, MS Visual Code, Eclipse Photon,

  • jEddict DB JPA Modeler, MySQL Workbench, Git bash, Tortoise

Valencia/Spain
6 Monate
2017-12 - 2018-05

Training in modern Web Frameworks & AI, Machine Learning

Training in modern Web Frameworks & AI, Machine Learning
Training in modern Web Frameworks & AI, Machine Learning

Training & Update in modern Web Frameworks, Mobile Development, AI, Machine Learning

- Angular 2+ (4-7)

- Javascript (ES5, 6, 7)

- Typescript

- Node

- React

- React Native

- Firebase

- Visual Code

- npm, Yarn, Jasmine, Selenium

- Ubuntu 18, Docker, VirtualBox

- AWS Cloud Computing, OpenShift

- Android SDK 26+, Android Studio, Genymotion, GPS & Location based services, Google

Fuse Location Provider, Google Map, Google Play

- Kotlin

- AI (Artificial Intelligence), Deep & Machine Learning, Algorithms & Data Science, Python,

Anaconda, JEE8, Jakarta EE, MicroProfile, Metrics, Prometheus, Java 9, 10,

Netbeans 10, MySQL 8, WildFly 13

Heidelberg / Greece
7 Monate
2017-05 - 2017-11

Planungs und Ortungsapplikation

Senior Java Developer
Senior Java Developer

Refactoring a critical application of the company for live tracking and planning their transportation fleets and facilities. Also implementing new features and fixing bugs.

The applications is based on JEE7 running on Jboss EAP 7.01 in the Amazon AWS cloud.

Technologies involved are: Java 8, REST Services, EJB 3.1/3.2, MDB, JMS 1.0/2.0, Artemis ActiveMQ, JPA 2, Postgres 9.6 , with GIS Geo extensions, EJB Timers & Schedulers, Singletons, HASingletons, JBoss EAP cluster, Testing, Junit, Arquillian, Jmockit, Flyway, MQTT, IBM MessageSight, Eclipse Paho MQTT Library, SQL, UML, XML, Json, Swagger



Tools used:

Eclipse Neon / JbossTools 4.4, PgAdmin 3 & 4, jRebel, Git bash, Tortoise, Enterprise Architect, IBM Rational Software Architect, MobaXterm, Lotus Notes, NetBeans 8.2, Primefaces 5, Wildfly 10, React, Yarn, Node, npm, Windows 7 Enterprise, Linux

Transportation & Logistics
Transportation & Logistics
5 Monate
2016-11 - 2017-03

Apps und Webanwendungen

Senior Java Developer
Senior Java Developer



Supporting the development of various apps/tools to administrate own facebook accounts, and later twitter. Running reports and statistics of the past own and friend's activity. Obviously embedding the apps as FB Canvas. Sharing and publishing announcements, buy & sell. Creating events and mailing lists for page admins and extending the communication with users.



Technologies & Tools:

Java 7/8, JEE7, EJB3.x, IoC & Injections, JMS, Web Services, REST, Jersey, RESTEasy, PostMan, SOAP UI, Chrome NetBeans Connector, JSON, XML, JAXB, AngularJS, Angular 2.0, Security, OAuth 2.0, Authentication & Authorization(JEE & Token based), Spring Boot, Spring Data, Karma, Protractor, WebDriver, Jasmine, NPM, Node, Bower, Grunt, Javascript, TypeScript, jQuery, HTML5, CSS, JPA, Hibernate, MySQL, Selenium, GIT, SourceTree, WildFly 10, GlassFish 4.1, Maven, NetBeans 8.x, Eclipse NEON, Eclipse JBossTools 4.x, JBossStudio 10.x. Docker, Amazon WS, RedHat OpenShift PaaS , UMLet, Facebook & Twitter Integration,, JUnit, Mockito, Arquillian, Embedded EJB Container Testing, Forge, MVC, Java Patterns, Agile, Requirements, Analysis, Design, Unit & Functional & Integration Testing, TDD, Front & Back End, Linux, Transactions (Container & Bean Managed) , VisualVM.

Schweiz
Bern
4 Monate
2016-06 - 2016-09

Onlineanwendung für Verischerungskundne und Broker

Senior Java Developer
Senior Java Developer

Entwicklung, Erweiterung und Testen von neuen Features/Anforderungen für eine web basierte Anwendung im bereich Versicherungen für Kunden und Versicherungsbroker.



Als Senior Java Developer war ich zuständig für die Aufnahme von neuen Anforderungen, Klärung und Erläuterung mit dem Fachbereich und dann die Implementierung und Testen auf der Server- und Frontendseite.

Die Anwendung wurde schweizweit von Kundne und Brokern benutzt.



Technologies & Tools:

Java 7, JEE6, GWT, Richfaces, SEAM, Web Services, Javascript, jQuery, CSS, DB2, DbVisualizer, Squirrel, Selenium, JIRA, Jenkins, GIT, SourceTree, JBoss EAP 6.4.7, Maven, JRebel.

Java 7 JEE6 GWT Richfaces SEAM Web Services Javascript jQuery CSS DB2 DbVisualizer Squirrel Selenium JIRA Jenkins GIT SourceTree JBoss EAP 6.4.7 Maven JRebel
Versciherung
Winterthur - Schweiz
4 Monate
2016-03 - 2016-06

Onlinebankenanwendung für Premiumkunden

Senior Java Developer
Senior Java Developer

Entwickeln, Testen und Deployen von web basierten Applikationen, die von bevorzugte n internationalen Kunden der Bank benutzt werden, um die gesonderten Services nutzen zu können.

Ds Projektteam besteht aus mehr als 50 Entwicklern, Architekten, Testern usw. , die aus verschiedenen Lokationen in der US, Europa und Indien am Projekt arbeiten



Technologies & Tools:

Java 7, JEE6, JPA, JSF2, Primefaces, Web Services, REST (JAX-RS), Authentication, Javascript, jQuery, CSS, Oracle, Orcael SQL Developer, Eclipse, Nexus, JIRA, GIT, Websphere, Tomcat, Maven.

Java 7 JEE6 JPA JSF2 Primefaces Web Services REST (JAX-RS) Authentication Javascript jQuery CSS Oracle Orcael SQL Developer Eclipse Nexus JIRA GIT Websphere Tomcat Maven.
Finance
Genf - Schweiz
5 Monate
2015-09 - 2016-01

Informations und Buchungsdienste im Bereich Tourismus

Senior Java Developer Java JEE7 JPA ...
Senior Java Developer

Entwicklung von Informations und Buchungsdiensten im Bereich Tourismus, Hotels etc.

Neben Weboberflächen in JSF Integration mit Facebook und Android Apps.

CSS Android Framework MySQL MongoDB IntelliJ Android Studio
Java JEE7 JPA JSF2 Primefaces AngularJS Javascript jQuery
Köln
7 Monate
2015-01 - 2015-07

BestellPortal

Senior Java Developer Java, JEE, SAP, Oracle
Senior Java Developer
Weiterentwicklung eines Portals für Bestellungen füe einen Konzern in Köln.
Eclipse, Toad, SQL Developer, Jenkins, Jira
Java, JEE, SAP, Oracle
Köln
9 Monate
2014-03 - 2014-11

Inhouse Development and Services

Senior Java Developer Java 7, NoSQL, Apache Cassandra, JPA, JEE5/6, JSF 1.2/2, Richfac Scrum & agile programming
Senior Java Developer
Entwicklung von Java basierten Anwendungen für ein grosses amerikanisches Telekomunternehmen wie Abrechnungsanwendungen, Berichte und Statistiken aus NoSQL Datenbanken, web basierte Administrationsportale sowie den Betrieb und Pflege der Anwendungen und Applikationsservern. Als Senior Java developer bin ich Teil eines Teams, dass mehr als 20 Mitglieder hat, die teilweise auch in den USA und Indien sich befinden.
Eclipse Kepler, JBossTools, Netbeans 7.4/8, VM Player.
Java 7, NoSQL, Apache Cassandra, JPA, JEE5/6, JSF 1.2/2, Richfac Scrum & agile programming
Belgien
9 Monate
2013-04 - 2013-12

Value Added Services

Senior Java Developer Java 6, MySQL 5.x, JPA, GlassFish 4, JBoss 6, Javascript, jQuery
Senior Java Developer
Entwicklung von in Facebook eingebetteten Applikationen, um die Mitglieder und regsitrierten User der Organisationen und Kunden miteinander zu verbinden. Entwicklung von Facebook basierten Apps, um verschieden Services zusätzlich zu den oben genannten anzubieten, wie das Publizieren von Content, Anzeigen für Suche/Biete.
Eclipse Kepler, Maven, Subversion.
Java 6, MySQL 5.x, JPA, GlassFish 4, JBoss 6, Javascript, jQuery
Basel/Schweiz und Frankreich

Aus- und Weiterbildung

Aus- und Weiterbildung

1- Dipl.-Ing. für Nachrichtentechnik
2- 1 Jahr Fortbildung als "PC Spezialist" bei Siemens Nixdorf Bonn


Position

Position

Projekte in einem der folgenden Schwerpunkten, oder die Kombination:

1- Java/JEE/REST

2- Frontend Angular/Javascript/Typescript/Ionic/Cordova/Node, Mongo DBHTML, CSS

3- AWS Cloud, Lightsail, Nginx, Ubuntu, SSL, Zertfikate, Security, Firewall, Wordpress

Kompetenzen

Kompetenzen

Top-Skills

Java ChatGPT ReactJS Spring Boot Java EE JavaScript GPT4 TypeScript Python Node.js Chatbot Langchain Ionic Angular REST AWS Semantic Search OpenAI VectorDatabases Pinecone OpenAI Whisper MySQL

Produkte / Standards / Erfahrungen / Methoden

VS Code
Experte
Eclipse
Experte
IntelliJ
Fortgeschritten
JEE
Experte
Spring Boot
Experte
REST (JAX-RS)
Experte
MIcroservices
Experte
Angular
Experte
Ionic
Fortgeschritten
React
Fortgeschritten
React Native
Basics
AWS
Experte
Cloud
Experte
Authentication
Experte
Webentwicklung
Experte
Android
Fortgeschritten
Android Studio
Fortgeschritten
JSF
Experte
Primefaces
Experte
Tomcat
Experte
JBoss EAP 6.4.7
Experte
CSS
Fortgeschritten
GIT
Experte
Jenkins
Basics
JIRA
Experte
Maven
Experte
Scrum
Experte

Betriebssysteme

Linux
Experte
Mac OS
Fortgeschritten
MS-DOS
Experte
Windows
Experte

Programmiersprachen

Java
Experte
JavaScript
Experte
Kotlin
Basics
PHP
Experte
Pyhton
Fortgeschritten
TypeScript
Experte

Datenbanken

DB2
Fortgeschritten
JDBC
Experte
MongoDB
Fortgeschritten
MySQL
Experte
ODBC
Experte
Oracle
Experte
Postgres
Experte
SQL
Experte
JPA
Experte
Hibernate
Experte

Hardware

PC
Experte
Mc
Fortgeschritten

Branchen

Branchen

Erfahrungen in diesen Bereichen:

1- Telekommunikationsunternehmen

2- Logistics & Transport

3- Versicherung, Krankenkasse

4- Versicherungsbank

5- Internet Services Provider ISP

6- Sport/ FIFA

7- Internationale Portalanbieter

8- Behörden & Organisationen

9- Supply Chain Management, CRM, SCM, SRM

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

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