Michael K.-Co-founder
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Experience
Bytec Medizintechnik
- Developed a solution for filtering heavily noisy analog sensor data by combining high-speed sampling and digital firmware filtering
- Increased the battery life of a battery-powered medical device from approx. 10 days to approx. 18 months
- Supported the overall project through the first clinical tests and TÜV approval
Azorean Biodiversity Group CE3C (University of the Azores)
- Developed a pilot project for real-time communicating insect pest traps
- Implemented real-time communication for monitoring and data transmission
Co-founder
JSIO Lda
- Developed a platform-independent interface to simplify and reduce the cost of new IoT hardware
- Designed and implemented a Modular Driver System (MDS) as a standardized framework for the rapid implementation of new hardware
- Integrated more complex software modules such as edge computing, AI and ML
- Used JSON as the sole data protocol for simple configuration with JavaScript or Python knowledge
- Ported firmware from 32-bit MCUs from Espressif to Embedded Linux systems
- Successfully supported by ESA BIC Portugal in September 2023
ImpactWave
- Developed a measuring device for LoRa(WAN) applications to optimize existing LoRa networks
- Hardware design with Semtek LoRa module (433/868/915 MHz) and Risc-V MCU with BLE and USB
- Implemented a native Android BLE app with a complex user interface and ported it to iOS
- JSON-based communication via USB (CDC ACM) and developed a Python module for user programming
- Sole responsibility for the project
Q-Connex
- Smart home IoT application on a poorly documented, low-cost Chinese SoC
- Analyzed the SoC components before starting firmware development
- Implemented TLS-protected TCP socket firmware and an integrated MQTT server & client
- Developed a UDP socket for provision broadcasting to quickly connect devices and apps
Plexus
- Development of the embedded USB High-Speed driver for the Dräger X-act 7000 on ARM Cortex M4 (STM) in C++ and integration into the uC-RTOS
- Implementation of a complex control protocol in parallel with video data transmission at up to 80 % USB utilization
- Development of a Windows application for unit and production testing
3onics Systems Inc
- Development of a battery-powered DC motor controller with a self-learning, fast-adapting algorithm for precise speed control under varying power conditions
- Platform: low-cost ESP32-C3 module
- Implementation of a Bluetooth BLE GATT server for transmitting usage data
- Integration of a genetic algorithm (AI) into the firmware for control
- Control and data access via Android and iOS apps
Società Italiana di Biologia Marina
- Development of an underwater audio recorder with a hydrophone for a 24-bit Delta-Sigma ADC and a max. 220 kHz sample rate
- Ring buffer with approx. 80 seconds of recording time for pre-buffering until a trigger event and continued recording to an SD card
- Design of a specialized memory management scheme for the FAT32 file system to prevent memory fragmentation
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing, Information Technology, Biotechnology, Healthcare, and Telecommunication.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Research and Development, Information Technology, Quality Assurance, and Project Management.
Summary
Developer for over 20 years in
- Embedded Systems
- IoT
- DSP (Audio)
- Digital and mixed-signal electronics
- Simulation
- Schematics, PCB layout
- Prototype development and commissioning
Skills
- Experience In Software And Firmware Development
- Programming Languages: C And C++ (20+ Years), Java And Embedded Java (2 Years), Kotlin (2 Years), Rust (1 Year), C# (1 Year), Various Assembly Languages, Scripting Languages: Python (4 Years), Javascript / Typescript (4 Years), Lua (1 Year)
- Rtos: Freertos, Uc, Emdos, Mbedos, Zephyr, Vxworks
- Bare Metal: Arm Cortex M4 (Stm), Processor-Optimized Audio-Dsp Applications
- Microcontrollers: Arm Cortex M0 To M7 (Stm, Nxp, Infineon And Others), Aurix (Infineon), Esp32 (Espressif), Risc-V (Espressif), Tensilica Xtensa, (Audio-)Dsps (Texas Instruments, Sharc), Various 8-Bit And 16-Bit Mcus
- Register-Level Drivers: Dma, Usb, Spi, I2c, U(S)Art, I2s And Tdm, Can, Lin, Rs485 And More
- Single Board Computers: Raspberry Pi, Beaglebone, Various Arm Cortex A Derivatives
- Embedded Linux: Yocto, Pantavisor
- Networking: Encryption Using Ssl/Tsl, Aes And Others, Low-Level Tcp And Udp Sockets, Http(S), Ws(S) (Websockets), Ota Secure Firmware Updates
- Communication Hardware: Wi-Fi (Wlan Ieee-802.11), Ethernet Including Tsn, Bluetooth & Ble, Gsm (Lte Cat 1 To 4 As Well As Nb-Iot), Zigbee, Nfc, Lora & Lorawan
- All Common Data Protocols: Json, Mqtt, Modbus & Profibus, At, Matter (Csa-Iot) And More
- Desktop Apps: Linux, Windows
- Platform-Independent Guis: Qt/Qml, Webview Api (Html5, Css, Angularjs)
- Native Mobile Apps For Android In Kotlin Or Java, Including C++ Integration
- Version Control: Git (Github, Gitlab, Bitbucket), Svn
- Unit And Integration Tests
- Hardware Bench Testing
- Experience In Hardware Development
- Product Development From Prototype To Production Readiness
- Own Laboratory For Prototype Development And Testing With All Common Laboratory Equipment
- Circuit Development: Digital, Analog, Mixed Signal, Spice, Pcb Layout And Board Bring-Up
- Eda Experience: Altium, Kicad, Eagle, Orcad, Target
- Robotics: Stepper, Servo, Sync And Bldc Motors
- All Types Of Sensors
- 3d Cad: Rhino, Moi, Plasticity
- Software Architect In Various Projects And Product Developments
- Confident Working With Customers And Stakeholders
- Leadership Role In International Teams, Extensive Experience With Interns
- Management Tools: Polarion, Confluence, Agile/Scrum, Jira
- Multiple Startup Experience, Strong Problem Solver
- Author Of English-Language Documentation And Fiction (Novel: "The Bomb")
Languages
Education
TU Berlin
Telecommunications · Berlin, Germany
Statistics
Experience
Global experience
Expertise
Profile
Frequently asked questions
Have questions? Find more information here.
Michael is based in Hamburg, Germany and can operate in on-site, hybrid, and remote work models.
Michael speaks the following languages: German (Native), English (Advanced), Italian (Advanced), Spanish (Intermediate), Portuguese (Intermediate).
Michael has at least 7 years of experience. During this time, Michael has worked in at least 1 role and for 8 different companies. The average length of individual experience is 1 year and 10 months. Note that Michael may not have shared all experience and actually has more experience.
Based on recent experience, Michael would be well-suited for roles such as: Co-founder.
In recent years, Michael has worked for Bytec Medizintechnik, Azorean Biodiversity Group CE3C (University of the Azores), JSIO Lda, and ImpactWave.
Michael is most experienced in industries like Manufacturing, Information Technology, and Biotechnology. Michael also has some experience in Healthcare, Telecommunication, and Education.
Michael is most experienced in business areas like Product Development, Research and Development, and Information Technology. Michael also has some experience in Quality Assurance and Project Management.
Michael has recently worked in industries like Information Technology, Telecommunication, and Healthcare.
Michael has recently worked in business areas like Product Development, Information Technology, and Research and Development.
Michael attended TU Berlin for Telecommunications.
Michael will be available full-time from June 2027.
Daily rate distribution
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Calculated based on our freelancers’ daily rates as of 17 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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