Hakan S.
Senior Software Developer
Experience
Jun 2023 - Present
2 years 7 monthsSenior Software Developer
ConVista Consulting GmbH
- Performed data migration of existing records in different lines, such as commercial and residential property insurance.
- Implemented migration processes with Spring Batch, including data preparation, validation, and automation.
- Focused on stable, error-free workflows and ensured data integrity during the migration.
- Mentored trainees in the trainee program (2025-01-01 – 2025-06-30) with a focus on Java development and Spring architectures.
- Designed complex backend systems leveraging expertise in Java, Spring, and modern web technologies.
Jun 2021 - Jun 2023
2 years 1 monthSoftware Developer
ConVista Consulting GmbH
- Introduced a modern policy and claims system as part of a modernization project.
- Implemented business requirements for travel insurance at Versicherungskammer Bayern (VKB).
- Developed and integrated interfaces to collection, commission, printing, and partner systems focusing on high-performance, scalable backend solutions.
May 2021 - Jun 2021
2 monthsSoftware Developer
ConVista Consulting GmbH
- Assisted with performance testing of an insurance quoting system at Nürnberger Versicherung.
- Used JMeter and Selenium WebDriver to measure server load and real user interactions in the quoting workflow and identify potential bottlenecks.
- Produced detailed reports.
- Technologies used: Camunda, OpenShift, Maven, Git.
Feb 2019 - May 2021
2 years 4 monthsSoftware Developer
ConVista Consulting GmbH
- Developed a Spring Boot-based partner system for insurance from scratch.
- Deployed to production for the first time at the client Provinzial.
- Participated in partner migration and implemented, integrated, and optimized system components in close collaboration with business teams.
Summary
As a Senior Software Developer with production-ready insurance solutions and strong expertise in Java, Spring, and modern web technologies, I build complex backend systems – my strength lies in combining technical excellence with clear communication to drive projects to success. Quality is non-negotiable.
I am seeking new challenges where I can effectively leverage my experience.
Languages
Turkish
NativeGerman
AdvancedEnglish
AdvancedEducation
Oct 2019 - Jun 2023
Vienna University of Technology
Master of Science · Computer Science · Vienna, Austria
Oct 2014 - Jun 2019
Vienna University of Technology
Bachelor of Science · Computer Science · Vienna, Austria
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