Senior Software Developer

Senior Software Developer with over 16 years of professional experience in software development, specializing in Delphi 5–12, REST APIs, backend development, and C#.

• Backend
• C#
• Confluence
• Delphi
• devexpress
• Ethernet
• Firebird
• Jenkins
• Microsoft SQL-Server (MS SQL)
• Radio-frequency identification (RFID)

Senior Software Developer with over 16 years of professional experience in software development, specializing in Delphi 5–12, REST APIs, backend development, and software applications for electronic locking and access control systems. Primary developer of the CEStronics Suite, used across five European countries. Experienced in RFID technologies, MIFARE DESFire and LEGIC transponders, and collaboration with hardware and firmware engineers. Motivated to learn new programming languages and technologies. Seeking software development opportunities in Japan, preferably in an English- or German-speaking environment.

• Design, develop and maintain Delphi applications and production tools, taking primary responsibility for their software development.

• Primary developer of CEStronics Suite: initially a two-developer project for approximately five years, subsequently developed largely independently. Used in Germany, France, the Netherlands, Spain and Italy.

• Developed software communicating directly with MIFARE DESFire and LEGIC chips, including their communication protocols.

• Developed multiple REST APIs and backend services in Delphi and C#

• Collaborate within a multidisciplinary team of approximately 20 people, including hardware and firmware developers; coordinate manufacturing and development processes.

• Use DevExpress, Git, Jenkins, Jira and Confluence; work with Ethernet and 868 MHz radio interfaces.