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Aurelia H.-Senior Software Developer

Aurelia H. - Senior Software Developer - profile avatar
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Available
Sundern (Sauerland), Germany

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Experience

Aug 2024 - Present

Software Full Stack Developer

INNIO Jenbacher GmbH & Co OG

Position summary
Software Full Stack Developer at INNIO Jenbacher GmbH & Co OG
Industries
Energy
Manufacturing
Business areas
Information Technology
Product Development
  • Implementing and extending an Electron app based on TypeScript, React and Node.js to display stream content and technical data
  • Extending a Kotlin backend for message processing via Kafka
  • Extending various React modules
  • Programming custom solutions for customers, including testing
  • Creating documentation
  • Development in accordance with Scrum processes

Used skills: React, React Hooks, Jest, Vitest, Typescript, Electron, IntelliJ, Vite, Github, Jira, Node.js, yarn, npm, pnpm, Swagger, OpenAPI, Storybook, Docker, Prettier, Eslint, tailwindcss, i18n, GraphQL, CoPilot, Postgres, JSON, Sqlite, trpc, influxdb, Java, Spring, Kotlin, Kafka, Git, Sonarcube

Jan 2024 - Mar 2024

Senior Full Stack Developer

AXA

Position summary
Senior Full Stack Developer at AXA
Industries
Banking and Finance
Insurance
Business areas
Information Technology
Product Development
  • Redesigning the quote calculators based on Java and Spring on the backend and React and TypeScript on the frontend
  • Extending and implementing interfaces with OpenAPI, Java and Spring Boot to generate classes and clients for interfaces to the frontend and backend
  • Creating new database schemas for Oracle databases
  • Building and deploying the application via GitHub and OpenShift
  • Development in accordance with Scrum processes

Used skills: Java (8 - 17), Springboot, React, React Hooks, Typescript, IntelliJ, Github, Jira, npm, CSS, OpenAPI, Jest, Docker, Apache Maven, Lombok, Flyway, Prettier, Eslint, Oracle, Mockito, OpenShift, PostgreSQL

Oct 2021 - Jun 2024

Senior Full Stack Developer

secunet Security Networks AG

Position summary
Senior Full Stack Developer at secunet Security Networks AG
Industries
Information Technology
Business areas
Information Technology
Product Development
  • Replacing the previous software platform based on Java and Spring on the backend and React and Typescript on the frontend
  • Setting up test environments with Docker and Kubernetes
  • Implementing new interfaces with OpenApi, including generators to create classes and clients for the frontend and backend (Contract First approach)
  • Implementing role and permission management via Keykloak
  • Building the backend according to Domain Driven Design principles, including migration capabilities
  • Maintaining the CI/CD pipelines
  • Integrating Weblate for multilingual platform support
  • Implementing adapter interfaces with Typescript for connecting an Electron app and other modules
  • Extending a simulator for preliminary testing without the security module
  • Creating documentation
  • Training internal employees
  • Development in accordance with Scrum processes

Used skills: React, React Hooks, Cypress, Typescript, IntelliJ, Code Together, Webpack, Vite, Gitlab, Jira, Node.js, yarn, npm, Java (8 - 17), Spring, Liquibase, OpenAPI, Kibana, Storybook, Docker, Gradle, Lombok, Jest, Kubernetes, Prettier, Eslint, tailwindcss, Weblate, i18n, Mockito, GraphQL, Coder, PostgreSQL, K3S, Jenkins, JSON

Feb 2021 - Sep 2021

Senior Full Stack Developer

Bank-Verlag GmbH

Position summary
Senior Full Stack Developer at Bank-Verlag GmbH
Industries
Banking and Finance
Information Technology
Business areas
Information Technology
Product Development
  • Project 1: Supporting the enhancement of the online banking platform with React, TypeScript, Tailwind CSS and MobX
  • Integrating various framework modules via Webpack and Module Federation
  • Creating sample modules with Vue.js
  • Project 2: Replacing legacy software by developing a new bank card management and card ordering solution in React, TypeScript and Tailwind CSS
  • Development in accordance with Scrum processes

Used skills: React, React Hooks, mobx, Typescript, IntelliJ, Webpack, Gitlab, Jira, Node.js, yarn, Java 8, Spring, Typescript, Vue.js, Kibana, tailwindcss, Jest, mock-api, Webpack modulefederation, Springboot, Formik, Yup, Storybook

Jan 2021 - Jun 2021

Senior Full Stack Architect

ThatsIT Service AG / Ikooko IT Solutions GmbH

Position summary
Senior Full Stack Architect at ThatsIT Service AG / Ikooko IT Solutions GmbH
Industries
Information Technology
Business areas
Information Technology
Product Development
  • Designing and implementing a Big Data structure for a data cockpit across multiple data sources
  • Implementing new microservices based on Domain-Driven Design
  • The project was implemented in accordance with Scrum processes
  • Developing microservices and interfaces in TypeScript for processing large volumes of data
  • Developing a mobile Prepper app connected to an earthquake warning system that uses the developed data cockpit Open-Source project: Spring Kafka MVC, Java-Connector for Kafka
  • Development in accordance with Scrum processes

Used skills: React, Redux, Sass, IntelliJ, Webpack, Git, Jira, Node.js, NPM, Java, Lombok, Rest interfaces, Docker, Bitbucket, SocketIO, Apache Kafka, Avro, Confluent, Microservices, Android React-Native, Java, Typescript, Kibana, React Hooks, Galanava, Postgres SQL, Node JS, Cypress, Mockito

Sep 2019 - Oct 2020

Senior Full Stack Developer

weeBusiness GmbH

Position summary
Senior Full Stack Developer at weeBusiness GmbH
Industries
Information Technology
Business areas
Information Technology
Product Development
  • Further development of the Payback platform, web platform, and mobile app
  • Development of microservices and integration of a real-time payment system
  • Restructuring of the back-office application
  • Development following Scrum processes

Technologies used: React, React-Native, Redux, React Hooks, Node.js, Sass, CSS, IntelliJ, Webpack, Git, Jira, NPM, Java, Lombok, Rest, Docker, Android, Typescript, Kibana, Postgres SQL, Cypress, Mockito

Apr 2019 - Aug 2019

Senior Full Stack Developer

protofy GmbH

Position summary
Senior Full Stack Developer at protofy GmbH
Industries
Information Technology
Retail
Telecommunication
Business areas
Information Technology
Product Development
  • Further development for 1&1 and Depot in the Java/JavaScript frontend and backend
  • Integration of Google Sheets spreadsheets as a data source
  • Development following Scrum processes

Technologies used: React, Redux, Sass, IntelliJ, Webpack, Git, Jira, Node.js, NPM, Java, Lombok, Rest, Docker, Bitbucket

Oct 2018 - Oct 2019

Senior Full Stack Developer

Bergwerk.io GmbH

Position summary
Senior Full Stack Developer at Bergwerk.io GmbH
Industries
Information Technology
Business areas
Information Technology
Product Development
  • Further development of the Bemer shop and its back-office system with React and Java

Technologies used: React, Redux, Sass, IntelliJ, Webpack, Git, Jira, Node.js, NPM, Java, lombok, Rest interfaces, Docker, Bitbucket

Aug 2018 - Feb 2019

Senior Full Stack Developer

inSynergie GmbH

Position summary
Senior Full Stack Developer at inSynergie GmbH
Industries
Education
Information Technology
Business areas
Information Technology
Product Development
  • New development of a frontend for planning tours for Experimenta using a touch-enabled device
  • Development following Scrum processes

Technologies used: React, Git, TypeScript, Node, NPM, Scss, Sass, Css, Yarn, Active Collab, gitlab, InVision

Jun 2018 - Dec 2018

Senior Full Stack Developer

Bergfreunde GmbH

Position summary
Senior Full Stack Developer at Bergfreunde GmbH
Industries
Retail
Business areas
Information Technology
Product Development
  • Further development of the company's own shop

Technologies used: React.js, Jenkins, PHP, Git, TypeScript, Node.js, NPM, Scss, Sass, Css, Yarn, Foundation, Jira

Feb 2018 - Feb 2020

Senior Full Stack Developer

Dimensional GmbH

Position summary
Senior Full Stack Developer at Dimensional GmbH
Industries
Information Technology
Media and Entertainment
Business areas
Information Technology
Product Development
  • New development of a media portal/news archive for the Netherlands Institute for Sound and Vision (NISV)
  • Media content can be edited and prepared on the web platform using a specially developed media editor that allows videos and images to be extensively edited
  • This makes it possible to adapt and publish media directly for news, blogs, etc., all through one platform
  • Creation of an extensive search function
  • Development following Scrum processes

Skills used: React, React Native, Jenkins, JAVA, Git, Jira, Node.js, NPM, Scss, Sass, Styled components, Css, MySQL, Apache, Tomcat, Webpack, Yarn, Git, Jira, Node.js, Springboot, JUnit

Oct 2017 - Dec 2017

Senior Full Stack Developer

BMW AG

Position summary
Senior Full Stack Developer at BMW AG
Industries
Automotive
Business areas
Information Technology
Product Development
  • New development of an internal communication and management platform, including a small minishop for apps and widgets

Skills used: Meteor, React, Redux, Bootstrap, Typescript, NPM, Scss, Sass, Webstorm, Git, Jira, Node.js, LDAP, Yarn, MongoDB

Nov 2016 - Sep 2017

Senior Full Stack Developer

Bergwerk.io GmbH

Position summary
Senior Full Stack Developer at Bergwerk.io GmbH
Industries
Information Technology
Business areas
Information Technology
Product Development
  • Development of a shop and additional apps in React.js
  • Expansion of the back-office system

Skills used: Java 8, React, Redux, Bootstrap, Gulp, Sass, IntelliJ, Karma, Selenium, Chai, Groovy, Webpack, Mocha, Git, Jira, Node.js, NPM, Sass, Scss, Springboot

Apr 2015 - Oct 2016

Senior Full Stack Developer

ISTA International GmbH

Position summary
Senior Full Stack Developer at ISTA International GmbH
Industries
Utilities
Business areas
Information Technology
Product Development
  • New development of the internal management platform for managing heating cost billing and the associated devices
  • The platform replaced the old Delphi system
  • To make the transition easier for specialists, keyboard shortcuts and helpful functions for faster data entry were recreated and integrated into the new platform
  • Development following Scrum processes

Skills used: Java 8, AngularJS, Node.js, Bootstrap, IntelliJ, Camunda, MySQL, Protractor, Jasmine, Karma, Selenium, Scss, CSS, NPM

May 2014 - Mar 2015

Senior Backend Developer

TUI Infotec GmbH

Position summary
Senior Backend Developer at TUI Infotec GmbH
Industries
Information Technology
Tourism
Business areas
Information Technology
Product Development
  • Expansion of the travel platform
  • Expansion and maintenance of existing software and interfaces, as well as Swing GUI development and enhancements
  • Development following Scrum processes

Skills used: JAVA6/7, Eclipse, Swing, HiveMind, Maven, Elasticsearch, Rest API, CSS, JSP

Aug 2013 - Apr 2014

Senior Full Stack Developer

CLAAS Agrosystems

Position summary
Senior Full Stack Developer at CLAAS Agrosystems
Industries
Agriculture
Business areas
Information Technology
Product Development
  • 365FarmNet / Development of an information and work platform for the agricultural industry

Skills used: JAVA6/7, EJB3, REST, SQL, HTML5, CSS3, Javascript, AngularJS, JQuery, JQWidgets, Apache, GIT/SVN, Eclipse, JBOSS 7.1, Hibernate, LDAP, NPM

Jan 2012 - Feb 2014

Senior Full Stack Developer

Property Magazine

Position summary
Senior Full Stack Developer at Property Magazine
Industries
Media and Entertainment
Real Estate
Business areas
Information Technology
Product Development
  • Maintenance of an existing CMS based on Smarty, further development and maintenance of the website

Skills used: MySQL, PHP, HTML, CSS, Javascript, Apache, Smarty, Paralleles Plesk Panel 10/11

Nov 2011 - Jan 2013

Senior Backend Developer

T-Systems AG

Position summary
Senior Backend Developer at T-Systems AG
Industries
Information Technology
Business areas
Information Technology
Product Development
  • Development and customization of a web frontend for managing SAP HCM master data

Skills used: SAP NetWeaver 7.x, SAP Solution Manager, Jco, Facelets, EJB3, Spring, AJAX, A4J, Java, JSF, JSP, Servlets, CSS, Javascript (JQuery), XML, XHTML, Apache, Tomcat, SVN, HP-Quality Center, Rest

Apr 2007 - Sep 2011

Senior Full Stack Developer

IVE mbH

Position summary
Senior Full Stack Developer at IVE mbH
Business areas
Information Technology
Product Development
  • Development of a web-based information platform for visualizing railway network infrastructure data, timetable data and operational data (RailSys Map – information platform)
  • Development of frontends for determining environmental impacts worldwide for any type of transport by road, rail, air and sea
  • Development of a Java GUI for administering user data with rights management

Skills used: Java, JSF, JSP, Servlets, JAXB, CSS, Javascript (JQuery, Prototype), AJAX, XML, XHTML, SVG, Eclipse, Netbeans, Apache, Tomcat, Maven, SVN, Rest, Smraty Template Engine, PHP, Hibernate, Ant, SOAP

Industry experience

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

Experienced in Information Technology, Media and Entertainment, Energy, Manufacturing, Real Estate, and Utilities.

Information Technology
Media and Entertainment
Energy
Manufacturing
Real Estate
Utilities
Profile match chart

Business area experience

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

Experienced in Information Technology and Product Development.

Information Technology
Product Development
Profile match chart

Summary

I am a Senior Full Stack Developer with over 15 years of experience building and modernizing web platforms, backend services and mobile applications. I work across Java and Spring on the backend and React, TypeScript and Node.js on the frontend, with additional experience in Angular, Vue.js, React Native and Electron.

I have developed solutions for banking, security, insurance, retail, travel, media, agriculture, energy and mobility. My work includes microservices, REST and OpenAPI interfaces, Kafka-based messaging, domain-driven design, databases, role management, CI/CD pipelines and Docker/Kubernetes environments. I also bring strong experience in automated testing, documentation and Scrum-based development.

Skills

  • React, React Native, Redux, Typescript, Vue.Js, Angular, Mobx, Tailwind Css, Node.Js, Json, Material Ui, Electron
  • Eslint, Prettier, Storybook, Weblate, Jest, Mocha, Karma, Cypress, Playwright, Yarn, Npm, Vite, Webpack
  • Java, Spring Boot, Hibernate, Php, Kafka, Socket.Io, Jee, Jsp, Swt, Swing, Openapi, Mockito, Python
  • Postgresql, Mongodb, Oracle Db, Liquibase, Camunda, Bpmn, Openshift, Docker, Git, Confluent, Soap, Elasticsearch
  • Opencode, Copilot, Claude, Ollama, Ki Tools

Languages

German
Native
English
Advanced

Education

Aug 2002 - Aug 2005

Werner von Siemens School

IT Specialist · Application Development · Hildesheim, Germany

Statistics

Experience

Total positions 19
Experience in Information Technology 9 y
Avg length 1 y 3 m
Longest experience 4 y 5 m

Expertise

Recent roles Software Full Stack Developer, Senior Full Stack Developer, Senior Full Stack Architect
Main industries Information Technology, Media and Entertainment, Energy
Main business areas Information Technology, Product Development

Profile

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Frequently asked questions

Have questions? Find more information here.

Aurelia is based in Sundern (Sauerland), Germany and prefers 100% remote projects.

Aurelia speaks the following languages: German (Native), English (Advanced).

Aurelia has at least 19 years of experience. During this time, Aurelia has worked in at least 4 different roles and for 18 different companies. The average length of individual experience is 1 year. Note that Aurelia may not have shared all experience and actually has more experience.

Based on recent experience, Aurelia would be well-suited for roles such as: Software Full Stack Developer, Senior Full Stack Developer, Senior Full Stack Architect.

Aurelia's most recent position is Software Full Stack Developer at INNIO Jenbacher GmbH & Co OG.

In recent years, Aurelia has worked for INNIO Jenbacher GmbH & Co OG, AXA, and secunet Security Networks AG.

Aurelia is most experienced in industries like Information Technology, Media and Entertainment, and Energy. Aurelia also has some experience in Manufacturing, Real Estate, and Utilities.

Aurelia is most experienced in business areas like Information Technology and Product Development.

Aurelia has recently worked in industries like Information Technology, Energy, and Manufacturing.

Aurelia has recently worked in business areas like Information Technology and Product Development.

Aurelia attended Werner von Siemens School for Application Development.

Aurelia is immediately available full-time for suitable projects.

Daily rate distribution

0% 25% 50% 75% 100%
10% of experts charge less than €800 per day.
20% of experts charge between €800 and €880 per day.
10% of experts charge between €880 and €960 per day.
30% of experts charge between €960 and €1040 per day.
20% of experts charge between €1040 and €1120 per day.
10% of experts charge €1120 or more per day.
<€800 €800-​880 €880-​960 €960-​1040 €1040-​1120 €1120+

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.

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750
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Rate comparison chart
Daily rate avg. 953 €

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

1000
750
500
250
Rate comparison chart
Median rate 980 €

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 16 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.