Senior firmware engineer
ulrich medical Gmbh
Keywords
Skills
firmware, sensor, IoT, cloud, hardware design, BLE, DFU, bootloader, SPI, C, python, git, Segger, GNU toolchain, Scrum, Jira, Confluence, SIM card, PCB layout, PCSC library, Ubuntu, USB, Smart card, CDC, ethernet, TCP/IP, Zephyr, FreeRTOS, MPLAB-X, J-link, MISRA, Segger tools, Wireshark, UART, Google protocol, Eclipse, FPGA, CMMI, ISO 9001, Signaling analysis, protocols 5G, 4G, 3G, 2G, RAN, CN, SIP, VoIP, IMS, IP, Signaling, decoding, LTE, NB IoT, Q data collection, online / offline processing, CPRI, data processing, Embedded systems, HW design and implementation, PCB, bare-metal, x86, ARM Cortex, Microchip, Nordic Semi, STM8, STM32, Arduino, Raspberry Pi, C/C++, Assemblers, I2C, bug tracking, debugging, Design and implementation, Fault tolerance, QA, testing methodologies, Windows, Linux, APIS Telco trainings, UML
Project history
12/2021
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09/2022
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ulrich medical Gmbh, Ulm, ulrichmedical.de |
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Project – Contrast booster - devices used during patient scanning
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08/2021
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09/2022
Senior firmware engineer
Hydrostasis Inc.
Hydrostasis Inc., San Diego, www.hydrostasis.com
Project: Hydrostasis hydration sensor (IoT, refer to the company page)
* Designed and implemented firmware, communication with mobile app and cloud, reviewed
hardware design
* Used Nordic Semi nRF52832 (32-bit ARM Cortex-M4 SoC), custom board
* Implemented communication with mobile app over BLE, DFU OTA, secure bootloader, Maxim
86171 (Optical pulse oximeter and heart-rate sensor AFE for wearable health) measurements, I2C,
SPI, battery charging, power management. All implementations reflecting low power consumption
aspects
* Used C, python, git, Segger Embedded Studio, GNU toolchain, J-link, nRF toolbox, Segger tools,
Agile, Scrum. Jira, Confluence, FDA regulation IEC 60601
Project: Hydrostasis hydration sensor (IoT, refer to the company page)
* Designed and implemented firmware, communication with mobile app and cloud, reviewed
hardware design
* Used Nordic Semi nRF52832 (32-bit ARM Cortex-M4 SoC), custom board
* Implemented communication with mobile app over BLE, DFU OTA, secure bootloader, Maxim
86171 (Optical pulse oximeter and heart-rate sensor AFE for wearable health) measurements, I2C,
SPI, battery charging, power management. All implementations reflecting low power consumption
aspects
* Used C, python, git, Segger Embedded Studio, GNU toolchain, J-link, nRF toolbox, Segger tools,
Agile, Scrum. Jira, Confluence, FDA regulation IEC 60601
05/2020
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07/2021
Senior hardware and firmware engineer
jSolutions s.r.o.
jSolutions s.r.o., Bratislava, Slovakia, www.jsolutions.pro
Project: Multi SIM card reader 4/8 (refer to the company page)
* Realized a complete hardware design, schema, PCB layout (Eagle), production and assembly
* Used Microchip SAME53N20A (32-bit ARM Cortex-M4 MCU), custom board
* Designed and implemented firmware, integrated communication with server (PCSC library, Ubuntu)
* Implemented USB (Smart card, CDC, DFU interfaces / functions) and ethernet interfaces, I2C,
bootloader; DFU, threads, SIM communication logging on the server (USB console), functions of
ISO7816 standard, TCP/IP
* Used C, FreeRTOS, python, git, MPLAB-X, GNU toolchain, J-link, MISRA, Ubuntu, Segger tools,
Wireshark, Eagle, Agile, Scrum
* Successfully deployed at customer - used as part of a larger system (eNodeB simulator)
Project: Multi SIM card reader 4/8 (refer to the company page)
* Realized a complete hardware design, schema, PCB layout (Eagle), production and assembly
* Used Microchip SAME53N20A (32-bit ARM Cortex-M4 MCU), custom board
* Designed and implemented firmware, integrated communication with server (PCSC library, Ubuntu)
* Implemented USB (Smart card, CDC, DFU interfaces / functions) and ethernet interfaces, I2C,
bootloader; DFU, threads, SIM communication logging on the server (USB console), functions of
ISO7816 standard, TCP/IP
* Used C, FreeRTOS, python, git, MPLAB-X, GNU toolchain, J-link, MISRA, Ubuntu, Segger tools,
Wireshark, Eagle, Agile, Scrum
* Successfully deployed at customer - used as part of a larger system (eNodeB simulator)
01/2019
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05/2020
Production manager
Aliter Technologies, a.s.
Aliter Technologies, a.s., Bratislava, Slovakia, www.aliter.com
Project: production of Intelligent Management of Power (IMP) units
* Realized complete production preparation - BOM, special parts, production details, logistics,
packaging
* Negotiated unit price and production cost with customer and production unit
Project: production of Intelligent Management of Power (IMP) units
* Realized complete production preparation - BOM, special parts, production details, logistics,
packaging
* Negotiated unit price and production cost with customer and production unit
02/2019
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04/2020
Senior firmware engineer
Lady Technologies, Inc
Lady Technologies, Inc, San Francisco, www.kegg.tech
Project: Kegg - Fertility Tracker (IoT, refer to the company page)
* Designed and implemented firmware, communication with mobile app and cloud, with test jig
* Used Nordic Semi nRF52832 (32-bit ARM Cortex-M4 SoC), custom board
* Implemented communication with mobile app over BLE, DFU OTA, secure bootloader, UART, PWM,
ADC measurements, battery charging, power management. All implementations reflecting low
power consumption aspects
* Used C, python, Google protocol buffer, git, Eclipse, GNU toolchain, J-link, nRF toolbox, Segger
tools, Agile, Scrum. FDA regulation IEC 60601
* 10.000+ women using the tracker around the world
Project: Kegg - Fertility Tracker (IoT, refer to the company page)
* Designed and implemented firmware, communication with mobile app and cloud, with test jig
* Used Nordic Semi nRF52832 (32-bit ARM Cortex-M4 SoC), custom board
* Implemented communication with mobile app over BLE, DFU OTA, secure bootloader, UART, PWM,
ADC measurements, battery charging, power management. All implementations reflecting low
power consumption aspects
* Used C, python, Google protocol buffer, git, Eclipse, GNU toolchain, J-link, nRF toolbox, Segger
tools, Agile, Scrum. FDA regulation IEC 60601
* 10.000+ women using the tracker around the world
09/2018
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03/2020
Senior telecom consultant
jSolutions s.r.o.
jSolutions s.r.o., Bratislava, Slovakia, www.jsolutions.pro
Projects: CPRI RF spectrum analysis, eNodeB simulator
* Analysed CPRI C&M channels of Huawei and Alcatel Lucent vendors
* Advised in FPGA IP core implementation, communicated with Xilinx support team support cases
* Managed eNodeB simulator requirements collection, design, implementation, deployment and
acceptance.
* Negotiated with customers details and progress of the projects
Projects: CPRI RF spectrum analysis, eNodeB simulator
* Analysed CPRI C&M channels of Huawei and Alcatel Lucent vendors
* Advised in FPGA IP core implementation, communicated with Xilinx support team support cases
* Managed eNodeB simulator requirements collection, design, implementation, deployment and
acceptance.
* Negotiated with customers details and progress of the projects
11/1998
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01/2018
Software Engineer, Team Leader, Project Manager, Managing Director
Anritsu Solutions SK, s.r.o.
Anritsu Solutions SK, s.r.o., Bratislava, Slovakia, www.anritsu.com
* Started as a software engineer implementing telecom protocols
* Received 6 months on site training at GN Nettest, A/S, Copenhagen, Denmark
* With company growing worked as a team leader, then project manager and finally as a director
* Built up company from size of 5 up to 95 employees
* Realized projects in Telecoms and Embedded Systems domains
* Worked for renowned customers like Vodafone, Orange, Alcatel-Lucent, BT, Lufthansa, Braun,
Frequentis, 2N, Kobil, Anritsu, ...
* Started as a software engineer implementing telecom protocols
* Received 6 months on site training at GN Nettest, A/S, Copenhagen, Denmark
* With company growing worked as a team leader, then project manager and finally as a director
* Built up company from size of 5 up to 95 employees
* Realized projects in Telecoms and Embedded Systems domains
* Worked for renowned customers like Vodafone, Orange, Alcatel-Lucent, BT, Lufthansa, Braun,
Frequentis, 2N, Kobil, Anritsu, ...
Local Availability
Open to travel worldwide
