Portfolio
Secure embedded Linux
secore.ly GmbH, 2026–presentBuildroot Linux on Raspberry Pi CM4/CM5. The manufacturer owns the secure-boot chain and signed RAUC A/B updates. Customer applications are signed with the DDM885R over PKCS#11, then verified and run sandboxed as systemd portable services.
Modular payment terminal
DDM Hopt+Schuler, 2024Firmware image signing with MCUBoot and PKCS#11, and a CBOR-encoded RPC layer for NuttX, for the DDM885R contactless reader used in transport and EV charging.
Automotive radar firmware
Infineon Technologies, 2019–2021SPI command firmware, virtual prototype testing and secure bootloading for a new generation of automotive radar chips.
MMIC and SoC radar system
Symeo, 2022–2023MISRA and cybersecurity static analysis, generated register access code and Python lab automation.
Industrial IoT gateway
HMS / Ewon, 2021–2022JSON-based device configuration on an embedded Linux gateway aligned with the HMS platform.
Battery balancer firmware
AVL DITEST, 2019Port from Cortex-M3 to Cortex-M4 with new capacity measurement and a refactored codebase.
EFT POS payment applications
Banks and payment processorsEMV contact and contactless payment applications for Verifone, Ingenico and Atos terminals, with ISO 8583 and SPDH host protocols.