Hi, there! I am a freelance Senior Software Engineer with extensive experience in developing and integrating distributed backend systems in Java and Kotlin. My work focuses on designing and implementing scalable REST APIs, event-driven services and high-performance data access layers. I help companies in modernize and stabilize complex applications, particularly in the automation enterprise, e-commerce and fintech sectors. With additional full-stack and mobile experience, I’m able to evaluate requirements holistically and deliver end-to-end solutions. I place strong emphasis on reliability, high quality standards and clear communication, as well as on maintainable code, robust testing and constructive collaboration.

Oğuzhan Atmaca

Hi, there! I am a freelance Senior Software Engineer with extensive experience in developing and integrating distributed backend systems in Java and Kotlin. My work focuses on designing and implementing scalable REST APIs, event-driven services and high-performance data access layers. I help companies in modernize and stabilize complex applications, particularly in the automation enterprise, e-commerce and fintech sectors. With additional full-stack and mobile experience, I’m able to evaluate requirements holistically and deliver end-to-end solutions. I place strong emphasis on reliability, high quality standards and clear communication, as well as on maintainable code, robust testing and constructive collaboration.

Available to hire

Hi, there! I am a freelance Senior Software Engineer with extensive experience in developing and integrating distributed backend systems in Java and Kotlin. My work focuses on designing and implementing scalable REST APIs, event-driven services and high-performance
data access layers. I help companies in modernize and stabilize complex applications, particularly in the automation enterprise, e-commerce and fintech sectors. With additional full-stack and mobile experience, I’m able to evaluate requirements holistically and deliver end-to-end solutions. I place strong emphasis on reliability, high quality standards and clear communication, as well as on maintainable code, robust testing and constructive collaboration.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Beginner
Beginner
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Language

German
Fluent
English
Fluent
Turkish
Fluent

Work Experience

Add your work experience history here.

Education

Bachelor of Science in Business Information Systems at Karlsruhe University of Applied Sciences
January 1, 2012 - January 1, 2016
Erasmus Semester at Yaşar University, Izmir, Turkey
January 1, 2015 - December 17, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Retail, Professional Services, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Beginner
Beginner
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