Elvir Büyükbayrak - Software Architect and Developer

Q: Where is Elvir based?

Elvir is based in Stuttgart, Germany .

Q: What languages does Elvir speak?

Elvir speaks the following languages: German (Native), English (Advanced), Turkish (Intermediate) .

Q: How many years of experience does Elvir have?

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 . Note that Elvir may not have shared all experience and actually has more experience.

Q: What is Elvir's latest experience?

Elvir's most recent position is Software Architect and Software Developer at Noctica IT GmbH .

Q: What companies has Elvir worked for in recent years?

In recent years, Elvir has worked for Noctica IT GmbH , KSB SE & Co. KGaA , and Raiffeisenbank Niederösterreich-Wien .

Q: Which industries is Elvir most experienced in?

Elvir is most experienced in industries like Banking and Finance , Information Technology , and Manufacturing .

Q: Which business areas is Elvir most experienced in?

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

Q: What is Elvir's education?

Elvir holds a Master in Mathematics with a focus on geometry and computer graphics from University of Applied Sciences Stuttgart .

Q: What is the availability of Elvir?

Elvir is immediately available full-time for suitable projects.

Recommended expert

Stuttgart, Germany

Check rate

Experience

Jul 2025 - Present

1 year 2 months

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

Jul 2025 - Dec 2025

6 months

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

Jul 2023 - Jun 2025

2 years

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.

Banking and Finance

Information Technology

Manufacturing

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

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 2 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

Created

April 2026

Last Update

May 2026

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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. 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.

Daily Rate Distribution

0 2 4 6 8

<€800 €800-1200 €1600+

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.

Average rates for similar positions

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

1000

750

500

250

Daily rate avg. 840 €

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

1000

750

500

250

Median rate 800 €

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.

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