Full Stack Software Engineer for Web Applications and Android (Java, Kotlin, Angular, HTML5, CSS3, JQuery, PHP, JSP/JSF, REACT, Go-lang)
Aktualisiert am 28.02.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 02.03.2026
Verfügbar zu: 100%
davon vor Ort: 0%
Webentwicklung
Angular
Android
Java
C#
Oracle
MS SQL Datenbanken
Android SQLite
JavaScript
CSS3
jQuery
JSP
JSF
PHP
UML
Apache Tomcat
Apache Server
JavaFX
Delphi
German
Native Language
English
Fluent

Einsatzorte

Einsatzorte

Funchal (+200km)
möglich

Projekte

Projekte

1 Monat
2025-03 - 2025-03

Design and Programming Website

Full-Stack Web Developer (Freelancer) HTML5 CSS3 JavaScript ...
Full-Stack Web Developer (Freelancer)
? Designed and built a portfolio website that highlights my projects and expertise.
? The webpage is programmed in responsive design and using custom-build
frameworks for the menu, dynamically loading of templates and JavaScript files.
? The resume is loaded from a JSON file.
? Redirection to the page: first-soft-solutions.com/enricogehring
? Used technologies: HTML5, JavaScript, CSS3, PHP and JSON.
HTML5 CSS3 JavaScript PHP JSON
First Soft Solutions
Remote
5 Monate
2024-11 - 2025-03

Design and Development of an Android App

Android - Developer (Freelancer) Android Java Kotlin ...
Android - Developer (Freelancer)
? Further development of my Android app Learning Machine.
? Developed and implemented new features using Java and Kotlin.
? Redirection to landing page: https://first-soft-solutions.com/learningmachine/landingpage/
? Used technologies: Android Studio, Java, Kotlin and SQLite
Android Java Kotlin SQLite
First Soft Solutions
Remote
7 Monate
2024-04 - 2024-10

Book Writing ? Principles of Programming

Author Java SOLID Design Pattern ...
Author
? Authored the technical book Principles of Programming.
? The focus of the book is on the KISS principle and the SOLID principles.
? The book describes the principles in clear and comprehensible language. It is supported by relevant examples (programmed in Java) that vividly demonstrate how the principles should be applied. 
Java SOLID Design Pattern MS Word
Remote
6 Monate
2024-02 - 2024-07

Design and Development of an Android App

Android - Developer (Freelancer) Android Java Kotlin ...
Android - Developer (Freelancer)
? Revision and redesign of my Android App Learning Machine.
? Planning and development of the Android app within Android Studio.
? The programming of the Learning Machine App utilized, among other features: Billing API, Text to Speech API, Swiping Effects.
? Redirection to landing page: 
https://first-soft-solutions.com/learningmachine/landingpage/
? Used technologies: Android Studio, Java, Kotlin and SQLite
Android Java Kotlin SQLite
First Soft Solutions
6 Monate
2023-09 - 2024-02

Angular Software Developer

Angular Full-Stack Developer (Freelancer) Visual Studio Code Angular HTML5 ...
Angular Full-Stack Developer (Freelancer)

? A comprehensive web application for internal use was technically planned and developed by me.
? Great emphasis was placed by me on the use of programming principles and design patterns (SOLID principles, State Machine, Factory Design).
? REST Web services were used for communication with the Back-End.
? Co-creation of the Back-End, programmed in C#.
? Used technologies: Visual Studio Code, Angular 16, HTML5, JavaScript, TypeScript for the Front-End, Bootstrap, C# for the Back-End, Figma for planning and Scrum.

Visual Studio Code Angular HTML5 JavaScript TypeScript Bootstrap C# Figma Scrum
Bosch
Remote
1 Jahr 9 Monate
2021-10 - 2023-06

C# Full-Stack Developer (Freelancer)

C# Full-Stack Developer (Freelancer) C# MSSQL T-SQL ...
C# Full-Stack Developer (Freelancer)

? Transition of company leadership from DWS to Morgenfund in December 2022.
? My tasks included the analysis, maintenance, and extension of existing applications in the Front-End / Back-End.
? This includes areas such as data storage for customer information, tax management, as well as new developments within existing applications.
? Optimized and developed complex database queries for large-scale datasets, ensuring high performance and rapid processing.
? Adherence to programming standards and documentation was particularly important.
? Used technologies: Visual Studio, C#, Natural, Azure, MSSQL (T-SQL) and Scrum.
C# MSSQL T-SQL Visual Studio Natural Scrum
DWS/Morgenfund
Remote
6 Monate
2021-11 - 2022-04

Java Full-Stack Developer (Freelancer)

Java Full-Stack Developer (Freelancer) JavaFX Java Javascript ...
Java Full-Stack Developer (Freelancer)
? A graphical user interface was designed and integrated to display status relationships. The programming was done in JavaFX.
? Analyzed web applications and implemented enhancements to extend their functionality.
? Further adjustments and extensions of web interfaces to the MKS system were made by me.
? Used technologies: Java, JavaFX, HTML5, CSS3, JavaScript, jQuery, Bootstrap, AWS, RESTful and SpringBoot. 
JavaFX Java Javascript HTML5 CSS3 REST jQuery Bootstrap AWS Spring Boot
Secodym
Remote
1 Jahr 7 Monate
2019-01 - 2020-07

Full-Stack Web Developer (Freelancer)

Full-Stack Web Developer (Freelancer) Java JavaScript Restful ...
Full-Stack Web Developer (Freelancer)

  •  with the  to  the  for improved performance.
  •  focused on the  of .
  •  and  of  for insurance companies.
  • Used technologies: 

Java JavaScript Restful IBM WebSphere HTML5 CSS3 Bootstrap jQuery Python Spring Boot Scrum
Inverso GmbH
Remote
1 Jahr 2 Monate
2017-11 - 2018-12

Java Full Stack Developer (Freelancer ? Remote)

Freelancer - Software Engineer (Remote) Java JSF HTML5 ...
Freelancer - Software Engineer (Remote)
Collaborated on backend development of new applications to be integrated into existing
systems.

? Commended for rapidly assimilating and maximizing capabilities of new tools and methods.
? Assumed extra responsibilities as DevOps manager to ensure successful completion of
mission-critical project.
? Used technologies: Java, JSF, JPA, HTML5, CSS3, JavaScript, SOAP, Restful Webservices,
C#, .NET, Oracle, Linux, DevOps, Camunda, WebSphere Server.
Java JSF HTML5 CSS3 JavaScript JPA SOAP Restful C# .NET and Oracle Linux DevOps Camunda and WebSphere Server
Smart Insuretech GmbH
Regensburg
3 Monate
2017-07 - 2017-09

Full Stack Web Developer (Freelancer - Remote)

Freelancer - Software Engineer (Remote) Java Eclipse HTML5 ...
Freelancer - Software Engineer (Remote)

Working as a Full Stack Developer on Front- and Backend.


? Optimizing the internal System for financial market.

? Used technologies: Java, Eclipse, HTML5, CSS, JavsScript.

Java Eclipse HTML5 JavaScript CSS
Fondsdepotbank
Hof an der Saale
10 Monate
2016-04 - 2017-01

Angular Software Developer (Freelancer - Remote)

Freelancer - Software Engineer (Remote) UML HTML5 JavaScript ...
Freelancer - Software Engineer (Remote)
Working as a Full Stack Developer on Front- and Backend.

? Planning and Developing of a web-based application from a Linux console program.
? Mastered and successfully completed hardware unit testing and framework testing.
? Used technologies: UML, HTML5, JavaScript, CSS3, Angular JS, jQuery, NodeJS, Restful,
Eclipse, Perl, and Bash.

UML HTML5 JavaScript CSS3 Angular JS jQuery NodeJS Restful Eclipse Perl Bash
Flextronics
Remote
1 Jahr
2015-05 - 2016-04

Java Full Stack Developer (Freelancer - Remote)

Freelancer - Software Engineer (Remote) UML Integrity Java ...
Freelancer - Software Engineer (Remote)

? Created XML-based program to control triggers for management system.
? Migrated MKS System to IMS system and created tool to compare server data.
? Used technologies: UML, Java, HTML5, JavaScript, MySQL, Tomcat Server, and CSS3.

UML Integrity Java XML Javascript Perl Powershell Eclipse SVN JavaScript PowerShell
Continental
Remote
8 Monate
2014-11 - 2015-06

Collaborated with UNISOFT to develop concept

Freelancer - Software Engineer (Remote) UML Java HTML5 ...
Freelancer - Software Engineer (Remote)
  • Collaborated with UNISOFT to develop concept, plan development, and analyse performance of production system 
UML Java HTML5 JavaScript MySQL Tomcat Server CSS3
Audi
Remote
2 Monate
2014-11 - 2014-12

First Level Support

Freelancer - Software Engineer
Freelancer - Software Engineer

LEAR Corporation
Wackersdorf
1 Monat
2014-10 - 2014-10

create management software featuring user management

Freelancer - Software Engineer (Remote) HTML5 JavaScript jQuery ...
Freelancer - Software Engineer (Remote)

  • create management software featuring user management, e-mail client, and functionalities to add, balance, delete, and change database entries
  • Created configuration-based web application

HTML5 JavaScript jQuery Java and JSP Oracle Tomcat Server
XWS
Remote
4 Monate
2014-07 - 2014-10

Expanded web-based control software

Freelancer - Software Engineer HTML5 Javascript JQuery ...
Freelancer - Software Engineer
  • Expanded web-based control software to allow retrieval and adjustment of large amounts of data
HTML5 Javascript JQuery Perl Apache Server
Dallmeier Electronics
Regensburg
4 Monate
2014-02 - 2014-05

exchanging web application

Freelancer - Software Engineer HTML5 Javascript JQuery ...
Freelancer - Software Engineer
  • Added functionality to data exchanging web application
  • Integrated bulk upload capability and enhanced usability
HTML5 Javascript JQuery DojoJS Java MySQL Tomcat Server
SSP-Europe
Regensburg
1 Jahr 6 Monate
2012-05 - 2013-10

Designed and integrated embedded software system

Software Engineer C C++ PHP ...
Software Engineer
  • Designed and integrated embedded software system including operator control panel with 10-inch touch screen display and remote manual interface capable of controlling all system functions
  • Planned and engineered frontend and backend of interface to allow two-way communication with device
  • Programmed backend to control device
C C++ PHP Javascript JQuery JQuery Mobile SQLLite XML
BDT
Rottweil
2 Jahre 7 Monate
2009-11 - 2012-05

Planned, engineered, tested, and improved multiple software tools

Freelancer - Software Engineer Delphi Java PLSQL ...
Freelancer - Software Engineer
  • Enhanced data warehouse system by contributing additional programs
  • Made significant improvements to response management and allowed system to manage large datasets
  • Planned, delivered, and documented all project phases
  • I used C# and Delphi for developing
Delphi Java PLSQL C# PHP Oracle Database
Meiller GHP
Schwandorf
2 Monate
2009-11 - 2009-12

Planning and programming oft he web portal

Freelancer - Software Engineer (Remote) HTML Javascript Ajax und PHP
Freelancer - Software Engineer (Remote)
Planned and developed web portal. Programmed animation using
JavaScript.
HTML Javascript Ajax und PHP
Home & Pet Sitting
Remote
3 Monate
2009-10 - 2009-12

Revamped web portal and integrated new shipping cart.

Freelancer - Software Engineer (Remote) HTML JavaScript und PHP
Freelancer - Software Engineer (Remote)
Revamped web portal and integrated new shipping cart.
HTML JavaScript und PHP
FooStar Studioartikel
Remote

Aus- und Weiterbildung

Aus- und Weiterbildung

5 Monate
2007-02 - 2007-06

English

Certificate, English Language Academy, Language Academy in Fort Lauderdale, Florida
Certificate
English Language Academy, Language Academy in Fort Lauderdale, Florida


Position

Position

Senior Software Engineer
Dedicated and accomplished technologist with depth of diverse knowledge across full stack development, project management, process automation, testing,

Kompetenzen

Kompetenzen

Top-Skills

Webentwicklung Angular Android Java C# Oracle MS SQL Datenbanken Android SQLite JavaScript CSS3 jQuery JSP JSF PHP UML Apache Tomcat Apache Server JavaFX Delphi

Produkte / Standards / Erfahrungen / Methoden

About me

With over 18 years of experience in software development, including more than 15 years as a freelance developer, I bring a broad spectrum of skills and expertise. As a FullStack developer for both Front- and Backend, I specialize in the development and design of web applications and Android development.

I have had the privilege of working with renowned companies such as Continental, Bosch, Audi, Meiller, DWS/Morgenfund, Flextronics, Dallmeier Electronics, BDT, Smart InsureTech, and Inverso. These diverse experiences have sharpened my skills and deepened my expertise.

In addition to my practical work, I have authored a book on programming principles, where I explain key concepts like SOLID and KISS. My extensive experience spans numerous programming languages and technologies, including Java, Kotlin, C#, C++, Angular, HTML5, CSS3, JavaScript, PHP, JSF/JSP, TypeScript, and Delphi. I am also well-versed in developing interfaces with RESTful and SOAP.

Writing clean and maintainable code that adheres to fundamental programming principles and design patterns is of utmost importance to me. My goal is to develop efficient, robust, and future-proof software solutions.


AREAS OF EXPERTISE

  • Goal-focused professional consistent orientation to quality and efficiency. Solid history meeting and exceeding client expectations.
  • Dedicated learner and technical generalist, readily master and leverage cutting-edge technologies to enhance quality, increase productivity, and reduce costs.
  • Experienced across all phases of project management.
  • Engaging and articulate communicator fluent in English and German. Highly approachable; penchant for providing clear and constructive feedback.
  • I'am an expert in C# and Java. During the projects I mainly used Java and C#. Overall I have over 10 years experience in C# and Java.
  • I'am an expert in developing, designing and architecture of webapplications.


TECHNICAL PROFICIENCIES

Scripting

  • HTML5
  • CSS3
  • jQuery
  • DOJO
  • KnockoutJS
  • AngularJS
  • JavaScript
  • PHP
  • JSP
  • JSF
  • XML/XSL
  • SenchaJS
  • Groovy
  • Perl
  • NodeJS


Version Control

  • Subversion
  • ClearCase
  • SCM
  • GIT


Servers

  • Apache Server
  • Tomcat Server
  • Lighttpd
  • WebLogic
  • IBM WebSphere

Programmiersprachen

AngularJS
ASP.NET
C
C# (WPF)
C++
CSS3
Delphi
DOJO
Groovy
HTML5
J2EE
Java
Java Swing
JavaFX
Javascript
JavaServlets
JQuery
JSF
JSP
KnockoutJS
Logical Programming
Matlab
MFC
NodeJs
Perl
PHP
SenchaJS
XML/XSL
Android
Angular 16
Experte

Datenbanken

MSSQL
Oracle
PLSQL
MySQL
SQLite
NOSQL
MongoDB

Branchen

Branchen

  • Automotive Industry
  • Computer Industry
  • Electronics Industry
  • Financial Industry
  • Construction Industry

Einsatzorte

Einsatzorte

Funchal (+200km)
möglich

Projekte

Projekte

1 Monat
2025-03 - 2025-03

Design and Programming Website

Full-Stack Web Developer (Freelancer) HTML5 CSS3 JavaScript ...
Full-Stack Web Developer (Freelancer)
? Designed and built a portfolio website that highlights my projects and expertise.
? The webpage is programmed in responsive design and using custom-build
frameworks for the menu, dynamically loading of templates and JavaScript files.
? The resume is loaded from a JSON file.
? Redirection to the page: first-soft-solutions.com/enricogehring
? Used technologies: HTML5, JavaScript, CSS3, PHP and JSON.
HTML5 CSS3 JavaScript PHP JSON
First Soft Solutions
Remote
5 Monate
2024-11 - 2025-03

Design and Development of an Android App

Android - Developer (Freelancer) Android Java Kotlin ...
Android - Developer (Freelancer)
? Further development of my Android app Learning Machine.
? Developed and implemented new features using Java and Kotlin.
? Redirection to landing page: https://first-soft-solutions.com/learningmachine/landingpage/
? Used technologies: Android Studio, Java, Kotlin and SQLite
Android Java Kotlin SQLite
First Soft Solutions
Remote
7 Monate
2024-04 - 2024-10

Book Writing ? Principles of Programming

Author Java SOLID Design Pattern ...
Author
? Authored the technical book Principles of Programming.
? The focus of the book is on the KISS principle and the SOLID principles.
? The book describes the principles in clear and comprehensible language. It is supported by relevant examples (programmed in Java) that vividly demonstrate how the principles should be applied. 
Java SOLID Design Pattern MS Word
Remote
6 Monate
2024-02 - 2024-07

Design and Development of an Android App

Android - Developer (Freelancer) Android Java Kotlin ...
Android - Developer (Freelancer)
? Revision and redesign of my Android App Learning Machine.
? Planning and development of the Android app within Android Studio.
? The programming of the Learning Machine App utilized, among other features: Billing API, Text to Speech API, Swiping Effects.
? Redirection to landing page: 
https://first-soft-solutions.com/learningmachine/landingpage/
? Used technologies: Android Studio, Java, Kotlin and SQLite
Android Java Kotlin SQLite
First Soft Solutions
6 Monate
2023-09 - 2024-02

Angular Software Developer

Angular Full-Stack Developer (Freelancer) Visual Studio Code Angular HTML5 ...
Angular Full-Stack Developer (Freelancer)

? A comprehensive web application for internal use was technically planned and developed by me.
? Great emphasis was placed by me on the use of programming principles and design patterns (SOLID principles, State Machine, Factory Design).
? REST Web services were used for communication with the Back-End.
? Co-creation of the Back-End, programmed in C#.
? Used technologies: Visual Studio Code, Angular 16, HTML5, JavaScript, TypeScript for the Front-End, Bootstrap, C# for the Back-End, Figma for planning and Scrum.

Visual Studio Code Angular HTML5 JavaScript TypeScript Bootstrap C# Figma Scrum
Bosch
Remote
1 Jahr 9 Monate
2021-10 - 2023-06

C# Full-Stack Developer (Freelancer)

C# Full-Stack Developer (Freelancer) C# MSSQL T-SQL ...
C# Full-Stack Developer (Freelancer)

? Transition of company leadership from DWS to Morgenfund in December 2022.
? My tasks included the analysis, maintenance, and extension of existing applications in the Front-End / Back-End.
? This includes areas such as data storage for customer information, tax management, as well as new developments within existing applications.
? Optimized and developed complex database queries for large-scale datasets, ensuring high performance and rapid processing.
? Adherence to programming standards and documentation was particularly important.
? Used technologies: Visual Studio, C#, Natural, Azure, MSSQL (T-SQL) and Scrum.
C# MSSQL T-SQL Visual Studio Natural Scrum
DWS/Morgenfund
Remote
6 Monate
2021-11 - 2022-04

Java Full-Stack Developer (Freelancer)

Java Full-Stack Developer (Freelancer) JavaFX Java Javascript ...
Java Full-Stack Developer (Freelancer)
? A graphical user interface was designed and integrated to display status relationships. The programming was done in JavaFX.
? Analyzed web applications and implemented enhancements to extend their functionality.
? Further adjustments and extensions of web interfaces to the MKS system were made by me.
? Used technologies: Java, JavaFX, HTML5, CSS3, JavaScript, jQuery, Bootstrap, AWS, RESTful and SpringBoot. 
JavaFX Java Javascript HTML5 CSS3 REST jQuery Bootstrap AWS Spring Boot
Secodym
Remote
1 Jahr 7 Monate
2019-01 - 2020-07

Full-Stack Web Developer (Freelancer)

Full-Stack Web Developer (Freelancer) Java JavaScript Restful ...
Full-Stack Web Developer (Freelancer)

  •  with the  to  the  for improved performance.
  •  focused on the  of .
  •  and  of  for insurance companies.
  • Used technologies: 

Java JavaScript Restful IBM WebSphere HTML5 CSS3 Bootstrap jQuery Python Spring Boot Scrum
Inverso GmbH
Remote
1 Jahr 2 Monate
2017-11 - 2018-12

Java Full Stack Developer (Freelancer ? Remote)

Freelancer - Software Engineer (Remote) Java JSF HTML5 ...
Freelancer - Software Engineer (Remote)
Collaborated on backend development of new applications to be integrated into existing
systems.

? Commended for rapidly assimilating and maximizing capabilities of new tools and methods.
? Assumed extra responsibilities as DevOps manager to ensure successful completion of
mission-critical project.
? Used technologies: Java, JSF, JPA, HTML5, CSS3, JavaScript, SOAP, Restful Webservices,
C#, .NET, Oracle, Linux, DevOps, Camunda, WebSphere Server.
Java JSF HTML5 CSS3 JavaScript JPA SOAP Restful C# .NET and Oracle Linux DevOps Camunda and WebSphere Server
Smart Insuretech GmbH
Regensburg
3 Monate
2017-07 - 2017-09

Full Stack Web Developer (Freelancer - Remote)

Freelancer - Software Engineer (Remote) Java Eclipse HTML5 ...
Freelancer - Software Engineer (Remote)

Working as a Full Stack Developer on Front- and Backend.


? Optimizing the internal System for financial market.

? Used technologies: Java, Eclipse, HTML5, CSS, JavsScript.

Java Eclipse HTML5 JavaScript CSS
Fondsdepotbank
Hof an der Saale
10 Monate
2016-04 - 2017-01

Angular Software Developer (Freelancer - Remote)

Freelancer - Software Engineer (Remote) UML HTML5 JavaScript ...
Freelancer - Software Engineer (Remote)
Working as a Full Stack Developer on Front- and Backend.

? Planning and Developing of a web-based application from a Linux console program.
? Mastered and successfully completed hardware unit testing and framework testing.
? Used technologies: UML, HTML5, JavaScript, CSS3, Angular JS, jQuery, NodeJS, Restful,
Eclipse, Perl, and Bash.

UML HTML5 JavaScript CSS3 Angular JS jQuery NodeJS Restful Eclipse Perl Bash
Flextronics
Remote
1 Jahr
2015-05 - 2016-04

Java Full Stack Developer (Freelancer - Remote)

Freelancer - Software Engineer (Remote) UML Integrity Java ...
Freelancer - Software Engineer (Remote)

? Created XML-based program to control triggers for management system.
? Migrated MKS System to IMS system and created tool to compare server data.
? Used technologies: UML, Java, HTML5, JavaScript, MySQL, Tomcat Server, and CSS3.

UML Integrity Java XML Javascript Perl Powershell Eclipse SVN JavaScript PowerShell
Continental
Remote
8 Monate
2014-11 - 2015-06

Collaborated with UNISOFT to develop concept

Freelancer - Software Engineer (Remote) UML Java HTML5 ...
Freelancer - Software Engineer (Remote)
  • Collaborated with UNISOFT to develop concept, plan development, and analyse performance of production system 
UML Java HTML5 JavaScript MySQL Tomcat Server CSS3
Audi
Remote
2 Monate
2014-11 - 2014-12

First Level Support

Freelancer - Software Engineer
Freelancer - Software Engineer

LEAR Corporation
Wackersdorf
1 Monat
2014-10 - 2014-10

create management software featuring user management

Freelancer - Software Engineer (Remote) HTML5 JavaScript jQuery ...
Freelancer - Software Engineer (Remote)

  • create management software featuring user management, e-mail client, and functionalities to add, balance, delete, and change database entries
  • Created configuration-based web application

HTML5 JavaScript jQuery Java and JSP Oracle Tomcat Server
XWS
Remote
4 Monate
2014-07 - 2014-10

Expanded web-based control software

Freelancer - Software Engineer HTML5 Javascript JQuery ...
Freelancer - Software Engineer
  • Expanded web-based control software to allow retrieval and adjustment of large amounts of data
HTML5 Javascript JQuery Perl Apache Server
Dallmeier Electronics
Regensburg
4 Monate
2014-02 - 2014-05

exchanging web application

Freelancer - Software Engineer HTML5 Javascript JQuery ...
Freelancer - Software Engineer
  • Added functionality to data exchanging web application
  • Integrated bulk upload capability and enhanced usability
HTML5 Javascript JQuery DojoJS Java MySQL Tomcat Server
SSP-Europe
Regensburg
1 Jahr 6 Monate
2012-05 - 2013-10

Designed and integrated embedded software system

Software Engineer C C++ PHP ...
Software Engineer
  • Designed and integrated embedded software system including operator control panel with 10-inch touch screen display and remote manual interface capable of controlling all system functions
  • Planned and engineered frontend and backend of interface to allow two-way communication with device
  • Programmed backend to control device
C C++ PHP Javascript JQuery JQuery Mobile SQLLite XML
BDT
Rottweil
2 Jahre 7 Monate
2009-11 - 2012-05

Planned, engineered, tested, and improved multiple software tools

Freelancer - Software Engineer Delphi Java PLSQL ...
Freelancer - Software Engineer
  • Enhanced data warehouse system by contributing additional programs
  • Made significant improvements to response management and allowed system to manage large datasets
  • Planned, delivered, and documented all project phases
  • I used C# and Delphi for developing
Delphi Java PLSQL C# PHP Oracle Database
Meiller GHP
Schwandorf
2 Monate
2009-11 - 2009-12

Planning and programming oft he web portal

Freelancer - Software Engineer (Remote) HTML Javascript Ajax und PHP
Freelancer - Software Engineer (Remote)
Planned and developed web portal. Programmed animation using
JavaScript.
HTML Javascript Ajax und PHP
Home & Pet Sitting
Remote
3 Monate
2009-10 - 2009-12

Revamped web portal and integrated new shipping cart.

Freelancer - Software Engineer (Remote) HTML JavaScript und PHP
Freelancer - Software Engineer (Remote)
Revamped web portal and integrated new shipping cart.
HTML JavaScript und PHP
FooStar Studioartikel
Remote

Aus- und Weiterbildung

Aus- und Weiterbildung

5 Monate
2007-02 - 2007-06

English

Certificate, English Language Academy, Language Academy in Fort Lauderdale, Florida
Certificate
English Language Academy, Language Academy in Fort Lauderdale, Florida


Position

Position

Senior Software Engineer
Dedicated and accomplished technologist with depth of diverse knowledge across full stack development, project management, process automation, testing,

Kompetenzen

Kompetenzen

Top-Skills

Webentwicklung Angular Android Java C# Oracle MS SQL Datenbanken Android SQLite JavaScript CSS3 jQuery JSP JSF PHP UML Apache Tomcat Apache Server JavaFX Delphi

Produkte / Standards / Erfahrungen / Methoden

About me

With over 18 years of experience in software development, including more than 15 years as a freelance developer, I bring a broad spectrum of skills and expertise. As a FullStack developer for both Front- and Backend, I specialize in the development and design of web applications and Android development.

I have had the privilege of working with renowned companies such as Continental, Bosch, Audi, Meiller, DWS/Morgenfund, Flextronics, Dallmeier Electronics, BDT, Smart InsureTech, and Inverso. These diverse experiences have sharpened my skills and deepened my expertise.

In addition to my practical work, I have authored a book on programming principles, where I explain key concepts like SOLID and KISS. My extensive experience spans numerous programming languages and technologies, including Java, Kotlin, C#, C++, Angular, HTML5, CSS3, JavaScript, PHP, JSF/JSP, TypeScript, and Delphi. I am also well-versed in developing interfaces with RESTful and SOAP.

Writing clean and maintainable code that adheres to fundamental programming principles and design patterns is of utmost importance to me. My goal is to develop efficient, robust, and future-proof software solutions.


AREAS OF EXPERTISE

  • Goal-focused professional consistent orientation to quality and efficiency. Solid history meeting and exceeding client expectations.
  • Dedicated learner and technical generalist, readily master and leverage cutting-edge technologies to enhance quality, increase productivity, and reduce costs.
  • Experienced across all phases of project management.
  • Engaging and articulate communicator fluent in English and German. Highly approachable; penchant for providing clear and constructive feedback.
  • I'am an expert in C# and Java. During the projects I mainly used Java and C#. Overall I have over 10 years experience in C# and Java.
  • I'am an expert in developing, designing and architecture of webapplications.


TECHNICAL PROFICIENCIES

Scripting

  • HTML5
  • CSS3
  • jQuery
  • DOJO
  • KnockoutJS
  • AngularJS
  • JavaScript
  • PHP
  • JSP
  • JSF
  • XML/XSL
  • SenchaJS
  • Groovy
  • Perl
  • NodeJS


Version Control

  • Subversion
  • ClearCase
  • SCM
  • GIT


Servers

  • Apache Server
  • Tomcat Server
  • Lighttpd
  • WebLogic
  • IBM WebSphere

Programmiersprachen

AngularJS
ASP.NET
C
C# (WPF)
C++
CSS3
Delphi
DOJO
Groovy
HTML5
J2EE
Java
Java Swing
JavaFX
Javascript
JavaServlets
JQuery
JSF
JSP
KnockoutJS
Logical Programming
Matlab
MFC
NodeJs
Perl
PHP
SenchaJS
XML/XSL
Android
Angular 16
Experte

Datenbanken

MSSQL
Oracle
PLSQL
MySQL
SQLite
NOSQL
MongoDB

Branchen

Branchen

  • Automotive Industry
  • Computer Industry
  • Electronics Industry
  • Financial Industry
  • Construction Industry

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

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

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.