Aaron Heimel-Career Break
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Experience
Career Break
- Big move, focus on DIY hobbies, small personal software projects.
Senior Full Stack Developer
Sozialversicherungsanstalt der Selbständigen (SVS), Landesstelle Wien
- Frontend development with GuiDSL, Primefaces/JSF
- Backend development with Spring/Java
- Spring Batch jobs
- Performance tuning & multithreading
- Migration from Spring XML configs to Spring Java configs
- Analysis of software architecture issues
- Development and implementation of plans to improve software architecture
- Creation of code quality guidelines
Full Stack Developer
twinfactor GmbH / Convista Faktor Zehn GmbH
- Frontend development with Angular/TypeScript including unit and integration testing (Jasmine + Karma)
- Backend development with Spring/Java including unit and integration testing (JUnit 4 + 5)
- Large cross-company project with microservice architecture
- Direct client contact
- SCRUM & TDD
- Working with Jira, Bitbucket, GitLab, SonarQube, Sentry, Rundeck, SAP, Docker
- Experience with legal protection & housing insurance lines
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Insurance, Government and Administration, and Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Skills
- Java, Javascript, Typescript
- Spring (Boot, Data Jpa, Web, Batch)
- Junit, Git, Ides (Eclipse, Intellij, Vscode)
- Linux (And Windows)
- C#, Restful Apis
- Frontend Development With Guidsl, Primefaces/Jsf
- Backend Development With Spring/Java
- Angular
- Spring Batch Jobs
- Performance Tuning & Multithreading
- Coding Agents (Claude Code, Jetbrains Ai Assistant)
- Analysis Of Software Architecture Issues
- Development And Implementation Of Plans To Improve Software Architecture
- Creation Of Code Quality Guidelines
- Jasmine/Karma, Maven/Gradle, Lombok
- Sql, Dart, Python
- Scrum, Jira
- C, Docker
- Sap, Sonarqube, Sentry, Rundeck, Websocket
- Scrum & Tdd
- Jira, Bitbucket, Gitlab, Sonarqube, Sentry, Rundeck, Sap, Docker
- Experience With Legal Protection & Housing Insurance Lines
Languages
Education
HTBLVA Spengergasse
Matura · Software development · Vienna, Austria
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Aaron is based in Vienna, Austria.
Aaron speaks the following languages: German (Native), English (Advanced).
Aaron has at least 6 years of experience. During this time, Aaron has worked in at least 3 different roles and for 2 different companies. The average length of individual experience is 2 years and 11 months. Note that Aaron may not have shared all experience and actually has more experience.
Based on recent experience, Aaron would be well-suited for roles such as: Career Break, Senior Full Stack Developer, Full Stack Developer.
Aaron's most recent position is Career Break.
In recent years, Aaron has worked for Sozialversicherungsanstalt der Selbständigen (SVS), Landesstelle Wien and twinfactor GmbH / Convista Faktor Zehn GmbH.
Aaron is most experienced in industries like Insurance, Government and Administration, and Information Technology.
Aaron is most experienced in business areas like Information Technology and Product Development.
Aaron has recently worked in industries like Insurance, Government and Administration, and Information Technology.
Aaron has recently worked in business areas like Information Technology and Product Development.
Aaron attended HTBLVA Spengergasse for Software development.
The availability of Aaron needs to be confirmed.
Daily rate distribution
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.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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