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Elvir Büyükbayrak-Software Architect and Software Developer

Elvir Büyükbayrak - Software Architect and Software Developer - profile avatar
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Stuttgart, Germany

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Experience

Jul 2025 - Present

Software Architect and Software Developer

Noctica IT GmbH

Position Summary
Software Architect and Software Developer at Noctica IT GmbH
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • 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
Jul 2025 - Dec 2025

Software Architect and Software Developer

KSB SE & Co. KGaA

Position Summary
Software Architect and Software Developer at KSB SE & Co. KGaA
Industries
Manufacturing
Business Areas
Information Technology
  • 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
Jul 2023 - Jun 2025

Software Architect, Lead Developer, and Onboarding of New Team Members

Raiffeisenbank Niederösterreich-Wien

Position Summary
Software Architect, Lead Developer, and Onboarding of New Team Members at Raiffeisenbank Niederösterreich-Wien
Industries
Banking and Finance
Business Areas
Information Technology
  • 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.

Banking and Finance
Information Technology
Manufacturing
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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
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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

German
Native
English
Advanced
Turkish
Intermediate

Education

Aug 2004 - Feb 2009

University of Applied Sciences Stuttgart

Diploma in Mathematics · Mathematics with a focus on geometry and computer graphics · Stuttgart, Germany

Statistics

Experience

Total positions 3
Experience in Banking and Finance 2 y
Avg length 1 y 1 m
Longest experience 1 y 11 m

Expertise

Recent roles Software Architect and Software Developer, Software Architect, Lead Developer, and Onboarding of New Team Members
Main industries Banking and Finance, Information Technology, Manufacturing
Main business areas Information Technology, Product Development

Qualifications

Highest degree Master

Profile

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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 11 months. 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.
Elvir is immediately available full-time for suitable projects.
Elvir's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
To hire Elvir, click the Meet button on the profile to request a meeting and discuss your project needs.

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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Market avg: 712-872 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.