About Rayna
English
Native or bilingual
German
Native or bilingual
Experience
- FreelancingSoftware DeveloperINTERNET OF THINGS (IOT)January 2026 - Today (5 months)Karlsruhe, GermanyDevelop and maintain web and software applications.Write clean, efficient, and well-structured code.Debug, test, and fix issues in existing systems.Collaborate with clients to understand requirements and deliver solutions.Implement new features and improve application performance.Work with different technologies and tools depending on project needs.Ensure code quality and follow best development practices.Manage time effectively and meet project deadlines.
- QA EngineerApplause Quality, Inc.DIGITAL AND ITDecember 2015 - December 2020 (5 years)Karlsruhe, GermanyPerformed manual testing of web applications and identified critical bugs.Reported and tracked issues using Jira.Created and maintained test documentation and test cases.Collaborated with development teams to improve software quality.Participated in process optimization and QA best practices.
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Education
- B.Sc. Business InformaticsKIT2022An interdisciplinary program that combines computer science, business administration, and economics. The program provides a strong foundation in software development, data analysis, and information systems, alongside knowledge in management, finance, and business processes. The skills, enabling to design, implement, and optimize digital solutions for real-world business challenges.