Volker Ahlers - Senior Frontend Angular Developer, Camunda

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Mannheim, Germany

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Experience

Aug 2025 - Present

1 year 2 months

Frankfurt, Germany

Senior Frontend Angular Developer

fintus GmbH

Senior Frontend Angular and Frontend
Integrating Camunda processes into the frontend
Development supported by ChatGPT (Codex) and Claude (skills etc.)

Knowledge: Angular, Camunda

Products used: Claude, Codex, ChatGPT, Camunda

Jun 2025 - Jul 2025

2 months

Kronau, Germany

Senior Frontend Developer

MP-BOS GmbH

Building a new version of an existing administrative software for fire departments, rescue services, and preventive fire protection with vue.js and Quasar

Knowledge: Vue.js, Quasar

May 2023 - Dec 2024

1 year 8 months

Essen, Germany

Fullstack Developer

RWE

Creation of an Angular/C# prototype as a template that new projects can be adapted to. Further areas of use. Wiki documentation, accessibility
Creation of a browser-based MS Power BI prototype dashboard for the dynamic display and assembly of Power BI components (visuals) from various Power BI reports, whose position, arrangement, and size can be changed and saved.
Base: C#, .NET Core, Entity Framework, Angular, Responsive Web Design
C# updates, Angular updates
Migration of old C# versions to minimal hosting
PrimeNG (Angular UI component library),
Angular Material (UI component library),
Analysis, effort estimation, planning, architecture, clean code, implementation, testing, documentation, User Experience (UX) design
Azure DevOps, Docker,
jQuery, PHP, MYSQL, MSSQL, RxJS
Embedded Power BI in Angular, state handling with Signals
Video streaming in Angular,
Embedded Power BI in React, state handling with Signals
Accessibility and W3C standardization with "ARC Toolkit"

Knowledge: Angular 18, C#, RxJS, Signals, MS SQL Server, Entity Framework, .NET Core, PrimeNG, Angular Material, .NET Core, Responsive Web Design, Documentation, PHP8, MySQL, Azure, SQL, React, Accessibility

Products used: ARC Toolkit, Angular 15-18

Mar 2022 - Oct 2022

8 months

Ulm, Germany

Front-End Lead and Software Architect

Mercedes Benz Tech Innovation

Rebuilding an internal automotive portal with Angular 13, RxJS, DevExtreme, .NET Core, HTML, CSS and Bootstrap
Implementing unit tests
Analysis, effort estimation, planning, architecture, clean code, implementation, testing, documentation and UX design
Use of AngularJs
Development with Visual Studio 2019

Aug 2021 - Jul 2022

1 year

Frontend Lead, PO part-time

Gourmet-Portal GmbH

Relaunch of the restaurant rankings portal
Support for the Typo3 developer
HTML, CSS (latest version), JavaScript (jQuery)
Restructuring of the Typo3 elements
Project Owner: coordination and communication with owners, designers and the part-time Typo3 developer
Use of Zeplin, Visual Studio Code and Git

Aug 2021 - Nov 2021

4 months

App Frontend Developer Angular

Generali

Development, expansion, maintenance, and debugging of an app for financial service providers with Angular 12, TypeScript, JavaScript, JSON, HTML, SCSS, REST APIs, and NgRx
Scrum and agile process optimization
Defining user stories, prioritization, estimation, and sprint planning
Testing with Spectacular: creating test scenarios
Using Storybook: creating Storybook scenarios
Development with Ionic Framework
Version control with GitHub
Use of IntelliJ and Zeplin

Apr 2021 - Jul 2021

4 months

Hanover, Germany

Developer

Hannover Rück

Development, expansion, maintenance, and debugging of a web application for sanctions screening in the insurance sector with Angular 12, TypeScript, JavaScript, JSON, HTML, SCSS, and REST APIs
Work in the Kanban board and version control with Git
Use of DevExtreme
Responsive development
Testing and debugging
Use of Microsoft Visual Studio and Visual Studio Code

Jan 2020 - Dec 2020

1 year

Hanover, Germany

Software Engineer, Frontend Developer, C# Developer, Agile Scrum Coach

Hannover Rück

Fullstack development with a focus on frontend in C#, .NET, Razor, DevExtreme, and DevExtreme Grid
Forms with Razor and DevExtreme
Angular 9, responsive design, jQuery, JavaScript, JSON, HTML, CSS, Less, TypeScript, and Node.js
Scrum introduction, Scrum and DevOps coaching
Process optimization: defining user stories, prioritization, estimation, and sprint planning
Use of Azure, Azure DevOps, and Azure Deployment Pipelines for CI/CD
Implementation of a Selenium test system in C# with NUnit: refinement of test cases, building test suites, acceptance, regression, and integration tests
Integration of test tools into the continuous delivery system
Test data creation, debugging, performance measurement, and versioning with Git and TFS
Test documentation using Azure Wiki

Sep 2019 - Dec 2019

4 months

Zürich, Switzerland

Developer

Nevartos AG

Further development and redesign of an online gallery with .NET and Bootstrap 4
Use and adaptation of cropper.js
Responsive web design
Image rendering
Version control with Git
Development in IntelliJ and Visual Studio

Aug 2019 - Aug 2019

1 month

Heidelberg, Germany

UX Consultant

German Cancer Research Center Heidelberg

UX design, UX architecture, analysis, and consulting
Mediation between different stakeholders to gather requirements
Creation of a mockup for a user interface for the graphical creation of complex scientific database queries for doctors
Use of Balsamiq

Jan 2019 - Apr 2019

4 months

Bremen, Germany

Frontend Developer

hmmh multimediahaus AG

Frontend development with HTML, CSS, Less and ES6 JavaScript
Vanilla JS, Kanban, Scrum, and requirement engineering
Creating specifications, estimating, and customer support
Working with Hybris and JSP
Development in JetBrains IntelliJ IDEA

Mar 2017 - Oct 2018

1 year 8 months

Magdeburg, Germany

Frontend on .NET, C#

Regiocom

Building a registration and administration tool for a German authority
Web frontends in C# .NET and frontend logic with jQuery and JavaScript
Testing with Jasmine and debugging
Using Kendo UI
Agile approach with Scrum: planning, task breakdown, and requirement analysis
Version control with Git/SVN
Testing with Jasmine/Karma
Development with Visual Studio

Mar 2017 - Feb 2018

1 year

Cologne, Germany

Software Developer

Crowdcode GmbH & Co. KG

Creating a customized in-house Bootstrap library based on Java and Bootstrap-GWT
Adjustments with GWT
Responsive design with Bootstrap 3
HTML, CSS, and Less
Development in IntelliJ

Oct 2015 - Feb 2017

1 year 5 months

Düsseldorf, Germany

Frontend Developer, Selenium Developer

Proximity Germany GmbH

Frontend adjustments and development for desktop, mobile, and webview apps (iOS, Android) with HTML5, CSS3, JavaScript, jQuery, and SASS
Debugging and maintenance of the test environment with Java and Selenium
Automated frontend testing with Selenium and Grunt
Scrum process: refinement, planning, and task breakdown
Database queries with MySQL
Project based on Hybris
CI/CD with GitLab/Jenkins pipelines
Creating landing pages
Development in Eclipse and WebStorm

Jun 2015 - Oct 2015

5 months

Langenfeld, Germany

Developer

Bayer CropScience Deutschland GmbH

Development of an application for weather and satellite data with Bootstrap 3
Displaying charts and data in Google Maps with Leaflet
Tool analysis
Backend with PHP and PostgreSQL for data management and statistical analysis
Creating a reusable scientific prototype with Zonar and AmCharts

Jun 2014 - Apr 2016

1 year 11 months

Munich, Germany

Frontend Developer

RI-Solutions GmbH

Complete rebuild of a frontend for a new platform based on Java and Hybris
Frontend development for desktop and mobile with responsive design
HTML5, CSS3, Less, Grunt, jQuery and Bootstrap 3
GWT UI and AJAX
Version control with Git and Jira
Scrum and documentation in Confluence

Jan 2014 - May 2014

5 months

Düsseldorf, Germany

Frontend Developer

Sinnerschrader

Frontend customization and development of the ePlus webshop based on Java and Hybris
HTML5, CSS3, Less, JSP, jQuery, jQuery UI, AJAX and Google Captcha
Version control with Git and Jira
Scrum

Nov 2013 - Dec 2013

2 months

Freiburg im Breisgau, Germany

Frontend Developer

Virtual Identity

Development of frontend templates for various small projects
HTML5, CSS3, JavaScript, jQuery, PHP, WordPress and responsive design

Jun 2013 - Oct 2013

5 months

Munich, Germany

Frontend Developer

Gruner + Jahr

Development of an editorial tool (OSKAR) for media based on Java/Spring
Frontend with AngularJS and Twitter Bootstrap
Programming of TinyMCE plugins
Customization of Dropzone and JCrop
Backend: adaptation of REST classes in Java and PHP bug fixes for kino.de
Documentation in Confluence
Version control with Git and SVN
Scrum

May 2013 - Jun 2013

2 months

Minden, Germany

Software Architect (JS), Developer

Lebensmittel Edeka

Development of a dynamically generated frontend for Windows XP users with JavaScript and JSON
Table structure with JS Tablesorter 2.0
Documentation with JSDoc
Control via JavaScript and configuration via JSON file
HTML, CSS, Twitter Bootstrap and jQuery UI

Mar 2013 - May 2013

3 months

Heidelberg, Germany

Lecturer

Fachhochschule Heidelberg

Guest lecturer for web technologies with assessment (exam) and evaluation
Topics: HTML, HTML5, CSS, CSS3, jQuery, AJAX, JavaScript and PHP

Feb 2013 - Feb 2013

1 month

Fullstack Developer

Stadt Wilich

Migration of a city portal into a Pimcore/Zend/MySQL system
Design and creation of database structures
Pimcore, Apache 2, PHP5, MySQL, Propel
jQuery, AJAX, JavaScript, HTML and CSS3
Version control with SVN

Jul 2010 - Dec 2012

2 years 6 months

Hanover, Germany

Fullstack Developer, UX Consultant, Team Lead (partly)

Netrada Holding GmbH

Expansion and internationalization of the checkouts of two large fashion portals
Pixel-perfect implementation of the frontend based on design templates
UX consulting for special requests from new countries
Feasibility analyses, planning and implementation of new features
Backend: administration of database systems, configuration and language data in PHP
Training of new freelancers and partial team leadership
Implementation and maintenance of Webtrekk
Documentation in Jira/Confluence

Apr 2010 - May 2010

2 months

Munich, Germany

Developer, Analyst

Teléfonica, o2, Codevise Solutions Ltd

Creation of a registration flow optimized for the new iPad
Servlet analysis, usability planning, frontend in HTML and CSS
Coordination with the Java backend

Oct 2009 - Jan 2010

4 months

Karlsruhe, Germany

Fullstack Developer

1&1

Analysis of existing software to expand Jimdo
Development and bug fixing of in-house modules
Data transformation with Bash on Linux
PHP5, JavaScript, AJAX, jQuery, JSON, Bash, HTML, CSS and MySQL

Sep 2008 - Sep 2009

1 year 1 month

Mannheim, Germany

Junior Developer in Permanent Position

i42 Informationsmanagement GmbH

Design and development of complex websites and web shops (eCommerce)
Automated database synchronization
Data import, management, and processing with Bash and MySQL
Bash backend programming and Linux server setup

Dec 2007 - Aug 2008

9 months

Ulm, Germany

Junior Developer in Permanent Position

Axintos Software GmbH

Development of websites for companies
Administration and synchronization of company servers
OpenCMS, Typo3, Photoshop, HTML, CSS, JSP, Java, PHP, XML, XSLT, Flash and xtCommerce

Jun 2006 - Nov 2006

6 months

Twistringen, Germany

Intern

F&U Kg

Planning and development of an online administration software with different access rights and automated commission billing in PHP and HTML (CSS)
eCommerce, HTML, CSS, PHP5 and MySQL4

Sep 2004 - May 2007

2 years 9 months

Heidelberg, Germany

Student

Heidelberg University of Applied Sciences

Planning and implementation of various administrative software systems
Leading multimedia projects as project leader for the study project
Development of an intelligent online learning software with user tracking

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Education, Retail, Fashion, Government and Administration, and Energy.

Information Technology

Education

Retail

Fashion

Government and Administration

Energy

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Project Management, Quality Assurance, and Customer Service.

Information Technology

Product Development

Project Management

Quality Assurance

Customer Service

Skills

Angular
Rxjs
Frontend
Accessibility
Scrum Master
Ecommerce
Responsive Design
Ux
Html
Css
Bootstrap
Devextreme
C#
Selenium
Docker

Top Skills:

Angular
Responsive Web Design
Accessibility
Html
Css
Scss
Less
Scrum
Devextreme
Jquery
Javascript
Planning
User Stories
Communication
User Experience (Ux)
Typescript
React
Signals
Rxjs
C#

Skills:

Administration
Azure Devops
Kanban
Customer Support
Requirement Engineering
Responsive
Estimation
Scrum
Scrum Coaching
Specification Writing
Ux Design
Ajax
Amcharts
Apache 2
Atlassian Confluence
Bootstrap 4
Bootstrap3
Css
Css3
Devextreme
Devops
Documentation
Eclipse
Ecommerce
Efashion
Flash
Git
Google Maps
Html5
Hybris Operation
Intellij
Internet Explorer 8 (Ie8)
Jasmine
Java Servlets
Jcrop
Jira
Jquery-Ui
Json
Lazyload
Leaflet
Macromedia Director
Microsoft Visual Studio Code
Ms Excel
Ms Outlook
Ms Sql Management Studio
Ms Word
Netbeans
Node.Js
Nunit
Online Shop
Opencms
Ph-Storm
Photoshop
Phpcoder
Phpmyadmin
Phpstorm
Phpunit (Phpunit Test)
Propel
Razor
Sass
Scrum
Scrum Master
Scss
Selenium
Source-Tree
Svn
Symfony
Tfs
Tinymce (Tinymce Plugins)
Twitter-Bootstrap
Vhosts
Virtual Hosts
Vmware
Webstorm
Webtrekk
Xampp
Xml
Xslt
Zend Framework
Zend Studio
Zend-Server
Jsp
Rxjs
Angular
React
Linux (Linux, Unix, Ubuntu)
Microsoft Windows 7
Windows (Xp, Vista, Win7, Win10)
.Net
Angular
Angularjs
Bash
Bootstrap-Gwt
Bootstrap
C#
Ecma6
Grunt
Gwt-Ui
Java
Javascript
Jquery
Js Vanilla
Jsp
Kendo
Landingpages
Less
Oop
Php5
Shell
Typescript
Viewmodels .Net
Database Design
Ms Sql Server
Mssql
Mysql
Sql
Rest
Android
Ios
Ipad
Mobile
Pc
Balsamiq
Ux Consulting
Responsive Design
Responsive Web Design
Software Architecture
Ux Architecture
Ux Design
Ux Mockups
Certified Scrum Master
Exin Devops Professional Certificate
Team Leadership Experience
Many Years Of Experience In Html, Css, Jquery, Javascript, Ajax, Angular, Less, Sass
Knowledge In Xml, Xslt, Selenium, Php5
Experience In Database Design Of Relational Databases In Mysql And Ms Sql

Languages

German

Native

English

Advanced

Spanish

Intermediate

Education

Sep 2004 - May 2007

Heidelberg University of Applied Sciences

Diploma in Computer Science (FH), focus on Media Informatics · Computer Science, focus on Media Informatics · Heidelberg, Germany

Certifications & licenses

DevOps Professional Certificate

Brainymotion, Mannheim

Alfatraining Education Center Mannheim

EXIN DevOps Professional Certificate

Statistics

Experience

Total positions 29

Experience in Information Technology 8 y

Avg length 9 m

Longest experience 2 y 8 m

Global experience

Countries worked in 2 (Germany, Switzerland)

Primary country Germany

Expertise

Recent roles Senior Frontend Angular Developer, Senior Frontend Developer, Fullstack Developer

Main industries Information Technology, Education, Retail

Main business areas Information Technology, Product Development, Project Management

Qualifications

Highest degree Bachelor

Certifications earned 4

Profile

Member since

January 2025

Last update

September 2026

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Frequently asked questions

Have questions? Find more information here.

Volker is based in Mannheim, Germany and can operate in on-site, hybrid, and remote work models.

Volker speaks the following languages: German (Native), English (Advanced), Spanish (Intermediate).

Volker has at least 19 years of experience. During this time, Volker has worked in at least 20 different roles and for 28 different companies. The average length of individual experience is 1 year and 8 months. Note that Volker may not have shared all experience and actually has more experience.

Based on recent experience, Volker would be well-suited for roles such as: Senior Frontend Angular Developer, Senior Frontend Developer, Fullstack Developer.

Volker's most recent position is Senior Frontend Angular Developer at fintus GmbH.

In recent years, Volker has worked for fintus GmbH, MP-BOS GmbH, RWE, Mercedes Benz Tech Innovation, and Gourmet-Portal GmbH.

Volker is most experienced in industries like Information Technology, Education, and Retail. Volker also has some experience in Fashion, Government and Administration, and Energy.

Volker is most experienced in business areas like Information Technology, Product Development, and Project Management. Volker also has some experience in Quality Assurance and Customer Service.

Volker has recently worked in industries like Information Technology, Energy, and Food and Beverage.

Volker has recently worked in business areas like Information Technology, Product Development, and Project Management.

Volker holds a Bachelor in Computer Science, focus on Media Informatics from Heidelberg University of Applied Sciences.

Volker has 4 certificates. Among them, these include: DevOps Professional Certificate, certified scrum master, Professional Scrum Master 1, and certification PSM 1.

Volker is immediately available full-time for suitable projects.

Daily rate distribution

0 1 2 3 4

<€640 €640-720 €720-800 €880-960 €960+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800

600

400

200

Daily rate avg. 789 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

800

600

400

200

Median rate 720 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.