Elvir Büyükbayrak-Software Architect and Software Developer
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Experience
Software Architect and Software Developer
Noctica IT GmbH
- NocTime time tracking, workshop planner, meal delivery service app
- LLM-based chat bot to control the NocTime time tracking system via voice input
- New and further development of customer solutions based on the Noctica SAS app framework
- Technologies: Java 17, Spring Boot, JPA, Hibernate, JavaScript, TypeScript, Angular 20, Angular Material, React, C#, Docker, Bash, Git, GitLab, RedMine, SQL, DBeaver, MariaDB, PostgreSQL, Python, TensorFlow, Ollama, various LLMs
Software Architect and Software Developer
KSB SE & Co. KGaA
- TIM Angular: migrating a web application supporting sales processes from React to Angular
- Support in the specification of the REST interface, implementation, and testing
- Technologies: JavaScript, TypeScript, Angular 20, Angular Material, React, C#, Docker, Bash, Git, GitLab, RedMine
Software Architect, Lead Developer, and Onboarding of New Team Members
Raiffeisenbank Niederösterreich-Wien
- Development of applications in a microservice environment in the rating domain (determining the probability of loan defaults)
- Analysis of the existing architecture (based on IBM Websphere) and migration into multiple microservices
- Analysis of the existing frontend application (JSF and Apache Cocoon) and migration to an Angular application
- Lead developer in a team of five members
- Technologies: Java 8/16/17, Quarkus, Hibernate, OLP, Websphere 8/9, JavaScript, Angular 16/18, Docker, Kubernetes, Git, XML, REST, SOAP, COBOL
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance, Information Technology, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Skills
- Focus: Java, Android Development, System Design, Project Management, Software Architecture, Consulting
- Industry Experience: Crafts, Retail, Hospitality, Education, Marketing, Manufacturing, Finance, Information Technology (It)
- Methodological Knowledge: System Specification, Analysis And Design, Implementation, Documentation, Calculation, Simulation, Requirements Specification, Testing/Validation, Coding, Advising And Supporting Lecturers, Advising And Supporting Students In Using Various Software Solutions For Teaching
- Development Methods: Ooa, Ood, Oop, Scrum, Test-Driven Development, Functional Development, Design Patterns, Ci/Cd, Waterfall Model
- Hard Skills: Java, Javascript, Python, C, C++, C#, Delphi, Visual Basic, Pascal, Matlab, Html, Xml, Jee, Css, Cgi, Jboss, Json, Servlet, Ajax, Jsp, Jsf, Maven, Tomcat, Ibm Websphere, Assembler, Uml, Swing, Swt, Git, Raspberry Pi, Banana Pi, Bpmn, Jira, Confluence
- Frameworks: Android, Hibernate, Spring, Spring Boot, Swing, Javafx, Qt, Selenium, Symfony, Gwt, Tensorflow
- Databases: Mysql, Postgresql, Mongodb, Hsqldb, Sqlite
- Operating Systems: Ubuntu, Kali Linux, Windows, Android, Ios
- Ides: Visual Studio, Visual Studio Code, Netbeans, Eclipse, Delphi, Android Studio, Spyder
- Web Technologies: Javascript, React, Angular, Html, Css
Languages
Education
University of Applied Sciences Stuttgart
Diploma in Mathematics · Mathematics with a focus on geometry and computer graphics · Stuttgart, Germany
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Elvir is based in Stuttgart, Germany.
Elvir speaks the following languages: German (Native), English (Advanced), Turkish (Intermediate).
Elvir has at least 3 years of experience. During this time, Elvir has worked in at least 2 different roles and for 3 different companies. The average length of individual experience is 1 year and 1 month. Note that Elvir may not have shared all experience and actually has more experience.
Based on recent experience, Elvir would be well-suited for roles such as: Software Architect and Software Developer, Software Architect, Lead Developer, and Onboarding of New Team Members.
Elvir's most recent position is Software Architect and Software Developer at Noctica IT GmbH.
In recent years, Elvir has worked for Noctica IT GmbH, KSB SE & Co. KGaA, and Raiffeisenbank Niederösterreich-Wien.
Elvir is most experienced in industries like Banking and Finance, Information Technology, and Manufacturing.
Elvir is most experienced in business areas like Information Technology and Product Development.
Elvir holds a Master in Mathematics with a focus on geometry and computer graphics from University of Applied Sciences Stuttgart.
The availability of Elvir 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 6 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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