STM32 Experts in Berlin
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Meet FRATCH Experts in Berlin, who have recently used STM32
Hendrik Wagner
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Add/create test specifications
- Conduct regression tests
- Conduct release tests
- Analyze Jira tickets
- Identify software defects and fix them with C#
Mario Jelinski
Last position:
Architect / Developer at handyhase
- Overhaul of the entire design and implementation of new UI/UX aspects using React
- Planning of the software architecture and structuring of the project for long-term scalability using Git for version control
Peter Kortmann
Last position:
Hardware and Software Developer / Project Manager at Anonymer Kunde
- Development of control units for the automotive industry incl. embedded software
- CAN bus, Vector Tools, CANoe
- Support of the development process according to ISO 26262
- Ensuring cyber security standards:
- Key exchange (PKI) between vehicle and control units
- Hardware Security Module (HSM)
- Communication with external service providers (international)
- Development (PCB) of measuring adapters, statistical analysis of sensors
- IoT and embedded software development, backend administration
Anuja Chandran
Last position:
Embedded Software Engineer at Digital Core Technology
- Designed and implemented embedded firmware in C/C++ for ARM-based microcontrollers and SoCs (STM32, NXP, Infineon)
- Worked across bare-metal, FreeRTOS, and Embedded Linux environments, contributing to BSP-level functionality, driver bring-up, and system integration
- Built, configured, and validated Embedded Linux systems using Yocto, including image build, boot validation, and runtime debugging
- Developed and executed unit, integration, and system-level tests, including HIL and SIL test scenarios on real hardware and simulated environments
- Created Python and Bash scripts to automate build, test execution, simulation runs, and reporting within CI/CD pipelines (Jenkins, GitLab CI)
- Designed test cases from software and system-level requirements, covering normal operation, edge cases, and failure scenarios
- Performed low-level debugging using JTAG/GDB, analyzing boot issues, timing problems, interrupts, and peripheral behavior
- Developed and validated communication interfaces including UART, SPI, I2C, CAN using logs and external measurement tools
- Used simulation and virtual test environments to validate software behavior prior to hardware availability
- Read and interpreted hardware schematics to understand signal routing, pin multiplexing, and peripheral connections
- Supported PCB design and review activities using Altium tool, assisting with component selection, pin mapping, and bring-up readiness
- Collaborated with cross-functional hardware, firmware, and system teams to clarify requirements, document assumptions, and improve overall test coverage
- Developed web interfaces using HTML, CSS, and JavaScript (ES6) and basic REST API development with Node.js
- Experience testing web applications and building UI automation frameworks using Selenium WebDriver
Mostafa Solaiman
Last position:
Embedded Firmware Engineer at Esko-Graphics Imaging GmbH
- FPGA code conversion from AHDL to Verilog and SystemVerilog (Altera Cyclone)
- IDE: Intel Quartus Prime (Altera)
- Code simulation: QuestaSim
- Timing analysis
Varsha Sehrawat
Last position:
Embedded Engineer (Working Student) at Lautsprecher Teufel GmbH
- Proficient in using JIRA for sprint planning, bug reporting, and task management.
- Modified and enhanced embedded C/C++ firmware code on STM32, ESP32 and ARM-based MCUs and SoCs.
- Debugged and fixed embedded software issues; managed code with Git/GitLab (commits, merge requests, reviews).
- Created and maintained test cases and test plans using Testmo.
- Debugged and validated firmware builds; provided detailed bug reports.
- Executed manual tests across development stages.
- Familiar with RTOS concepts and implementation, including task scheduling and interprocess communication for real-time embedded systems.
- Managed planning and execution of acceptance and regression testing.
- Supported mobile app and system-level testing for audio streaming device.
- Tested communication protocols (HTTP, I2C, SPI, UART) and API interactions.
- Used terminal tools and SSH to debug embedded Linux systems.
Discover over 15,000 top freelancers
Statistics of experts using STM32
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
1.3 years
Positions per freelancer
18
Top business areas
Product Development, Quality Assurance, Information Technology
Top industries
Information Technology, Energy, Manufacturing
Bachelor's degree or higher
100%
Master's degree or higher
83%
Doctorate
17%
Certifications per freelancer
1
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Berlin using STM32
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What STM32 is
STM32 is STMicroelectronics’ family of 32-bit microcontrollers based on Arm Cortex-M cores. It is used for embedded products that need tight control, low power use, and direct hardware access. Teams choose it for sensors, control units, connected devices, and compact industrial systems.
Typical work
- Board bring-up and peripheral setup
- Firmware for sensors, motors, and interfaces
- Low-power design and sleep-state tuning
- Communication over UART, SPI, I2C, CAN, USB, and Ethernet
- Debugging on real hardware with trace tools
Ecosystem
Strong STM32 work usually spans STM32CubeIDE, STM32CubeMX, HAL, LL drivers, and often FreeRTOS or bare-metal code. Experts also handle bootloaders, timing, clock trees, memory maps, and linker scripts. Good knowledge of CubeMX is useful, but strong professionals go beyond generated code.
When to bring in help
Companies usually bring in freelance STM32 specialists when prototypes stall, hardware and firmware need to meet, or a release needs careful debugging. In Berlin, this often fits product teams building industrial devices, lab equipment, mobility hardware, or connected prototypes. Remote work is common, but early board access and lab time can matter.
What strong specialists do
- Read schematics and datasheets quickly
- Spot timing, power, and interrupt issues
- Keep code close to hardware limits without making it brittle
- Write clean startup, driver, and test code
- Document decisions so the system can be maintained
Alternatives and fit
STM32 is often compared with NXP, Microchip, and Espressif parts, but the right choice depends on peripherals, toolchain comfort, and supply chain needs. It is a strong fit when hardware control matters more than abstraction. The best experts help teams choose the right chip, not just write the code.
Frequently asked questions
Quick answers to the questions that come up most around STM32.
STM32 is used in embedded products that need direct control of hardware. Typical work includes sensor nodes, motor control, industrial controllers, wearables, and connected devices. It is a good fit when low power, fast interrupts, and broad peripheral support matter.
No. STM32 is often used bare-metal, but many projects also run FreeRTOS or another small real-time layer. The choice depends on task timing, memory limits, and how much structure the product needs.
STM32 is often chosen for its wide device range, strong peripheral mix, and mature tooling. ESP32 is frequently picked for built-in wireless, while NXP and Microchip are common alternatives for other power, cost, or interface needs. A good expert compares the full board and system context, not just the chip.
A strong STM32 specialist understands C, interrupts, timers, DMA, power modes, and hardware debugging. Familiarity with schematics, oscilloscopes, logic analyzers, and linker scripts is very useful. Experience with ST tools such as CubeIDE and CubeMX helps, but it is not enough on its own.
For STM32 work, the more concrete the hardware context, the better. A useful brief covers the board, target MCU, required interfaces, power budget, toolchain, and what already works. If the project is still at prototype stage, a specialist can still help, but they need access to the schematic and test setup.
Yes, much of STM32 firmware work can be done remotely if the hardware is already available and test access is set up well. Early bring-up, fault finding, or lab-heavy tasks may need on-site time in Berlin. Hybrid collaboration is often the safest setup for new hardware.
Look for clear explanations of board bring-up, debugging steps, and trade-offs. A strong STM32 professional can show stable firmware, clean architecture, and experience with real hardware issues, not just sample projects. Good signs include solid documentation, careful testing, and practical decisions about timing and power.
The most common problems in STM32 projects are clock setup mistakes, interrupt conflicts, power issues, and weak hardware debugging. Driver code may also be too tightly tied to generated code, which makes maintenance harder. Skilled specialists reduce these risks early and keep the firmware easier to change.
The average hourly rate of freelancers in Berlin, Germany who have used STM32 in their recent projects is 93 €, which corresponds to a daily rate of about 745 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used STM32 in their recent projects, 100% hold at least a Bachelor's degree, 83% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Berlin, Germany who have used STM32 in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.3 years.
The most common languages among freelancers in Berlin, Germany who have used STM32 in their recent projects are German (100%), English (100%), and French (33%).
The most common industries among freelancers in Berlin, Germany who have used STM32 in their recent projects are Information Technology (100%), Energy (83%), and Manufacturing (83%).
The most common business areas among freelancers in Berlin, Germany who have used STM32 in their recent projects are Product Development (100%), Quality Assurance (100%), and Information Technology (83%).
Main locations of FRATCH Experts, who have recently used STM32
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
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