
Microcontroller Experts in Berlin
matched in minutes from over 15,000 CVsHire experts who design firmware, connect sensors and peripherals, and bring embedded products from prototype to production. FRATCH matches you quickly and precisely with vetted, available freelancers for focused microcontroller work.
Meet FRATCH Experts in Berlin, who have recently used Microcontroller
Hendrik W.
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Adding/creating test specifications
- Performing regression tests
- Performing release tests
- Analyzing Jira tickets
- Identifying software defects and fixing them with C#
Sunish B.
Last position:
AtlasMind - Production AI assistant for Jira at Mercedes Benz Innovation Labs Gmbh
- Converts natural language into JQL using RAG and pgvector. Returns structured JSON with a query, chart spec, and plain-text answer. A two-stage router answers general questions without touching the JQL pipeline at all.
- Interchangeable LLM backends: Ollama, vLLM, Groq, Anthropic Claude, AWS Bedrock - switchable at runtime, no code changes. Self-healing JQL: on Jira validation failure, feeds error back to LLM, retries up to 4 times. OCI Vault for secrets. Deployed on Oracle Cloud A1 with GPU inference over Tailscale private network. Open source.
Valentin R.
Last position:
Freelance Hardware Development Engineer at Swarm Biotactics
PCB design with Altium, MCU Programming, Prototyping
Mario J.
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 K.
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 C.
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
Kashaf K.
Last position:
AI Consultant / Expert at Siemens Mobility
- Evaluated 45+ AI use cases and developed a prioritization framework for Siemens’ internal AI roadmap.
- Tested internal tools like DRIM, SiemensGPT, Microsoft Copilot; presented evaluation outcomes to stakeholders.
- Identified performance gaps and improved tool adoption by 65%.
- Supported AI knowledge-sharing initiatives, led tool onboarding sessions, and improved team AI literacy.
- Collaborated with engineering, procurement, and digital teams on tool feedback and strategy alignment.
Mostafa S.
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 S.
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.
Mathias K.
Last position:
botspot 3D Scan GmbH
- Support/consulting in the development and setup of 3D photo scanner systems
- Tools used: KiCAD, ePlanP8
Discover over 15,000 top freelancers
Statistics of experts using Microcontroller
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 20 years)

Position duration
1.4 years (Germany: 2.2 years)

Positions per freelancer
16 (Germany: 13)

Top business areas
Product Development, Quality Assurance, Information Technology

Top industries
Information Technology, Manufacturing, Energy

Certification focus areas
Information Technology, Business Intelligence, Logistics
Bachelor's degree or higher
100% (Germany: 94%)
Master's degree or higher
90% (Germany: 69%)
Doctorate
20% (Germany: 7%)

Certifications per freelancer
2

Most common languages
German, English, French

Speak two or more languages
100% (Germany: 99%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Berlin using Microcontroller
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Microcontroller experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (90%)
- Manufacturing (80%)
- Energy (70%)
- Healthcare (70%)
- Automotive (50%)
- Telecommunication (50%)
- Education (30%)
- Aerospace and Defense (20%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Core role
A microcontroller is a compact computing unit that combines a processor, memory and peripheral interfaces on one chip. It runs focused firmware inside products such as sensors, controllers, wearables, appliances and industrial equipment. Unlike a general-purpose computer, it is built for predictable control, low power use and direct interaction with hardware.
Platforms and tools
Projects may use Arduino for rapid prototyping, STM32 or ESP32 for production-oriented embedded products, or PIC, AVR and Nordic Semiconductor devices for specific power, connectivity or cost needs. Strong specialists work with C and C++, vendor SDKs, hardware abstraction layers, bootloaders and real-time operating systems such as FreeRTOS. They also use oscilloscopes, logic analysers, JTAG or SWD probes, debuggers and automated firmware tests.
Typical deliverables
- Firmware for sensor reading, motor control, timing and power management
- Drivers for GPIO, PWM, ADC, UART, SPI, I2C, CAN and USB
- Bluetooth Low Energy, Wi-Fi or LoRa connectivity
- Secure boot, firmware updates and device diagnostics
- Production test software and hardware-in-the-loop validation
When companies engage specialists
Companies bring in freelance expertise when a prototype must become a stable product, when existing firmware is difficult to maintain, or when hardware and software need to be debugged together. Support is also valuable for board bring-up, chip migration, certification preparation and reducing energy consumption. In Berlin, embedded teams may collaborate remotely or work on-site with electronics, manufacturing and product groups.
What strong professionals bring
The best specialists read schematics, datasheets and timing diagrams before changing code. They understand interrupts, concurrency, memory limits, watchdogs, race conditions and failure recovery. They document interfaces, create reproducible builds and test hardware under realistic temperature, power and communication conditions rather than relying only on desk-based tests.
Choosing the right fit
Check whether a professional has worked with the target chip family, communication buses, operating environment and delivery constraints. Ask for evidence of shipped firmware, debugging methods and test coverage, not just familiarity with Arduino or a particular IDE. A suitable specialist can explain trade-offs between bare-metal code and an RTOS, select practical tools, and leave behind maintainable firmware, build scripts and clear handover documentation.
Frequently asked questions
Questions about Microcontroller? Start with the answers below.
A Microcontroller runs the embedded logic in products that sense, control or communicate with the physical world. Typical applications include motor controllers, smart appliances, medical instruments, industrial sensors, access systems, wearables and battery-powered devices.
A Microcontroller usually combines processing, memory and hardware interfaces on one chip, making it efficient for dedicated control tasks. A microprocessor or single-board computer generally offers more computing capacity and a richer operating system, but often needs external components and uses more power.
A Microcontroller specialist should understand electronics, schematics, datasheets, C or C++, debugging and automated testing. Depending on the product, useful adjacent skills include PCB bring-up, Bluetooth Low Energy, networking, bootloaders, secure firmware updates and real-time operating systems.
A Microcontroller project does not require the same background for every task. A simple sensor prototype may suit someone familiar with the board and toolchain, while safety-sensitive control, low-power firmware or production releases call for a professional who has handled hardware faults, concurrency, testing and field updates.
A Microcontroller professional can complete firmware design, code review, simulation and many debugging tasks remotely from Berlin. On-site time can still help with board bring-up, lab equipment, prototype handling and close coordination with local electronics or manufacturing teams.
A Microcontroller selection often compares STM32, ESP32, Nordic Semiconductor, PIC, AVR and similar families. The decision depends on processing needs, connectivity, power budget, peripheral support, supply continuity, development tools and the team’s existing experience.
A Microcontroller professional should be able to explain how they isolate hardware faults, manage timing, protect memory and test failure cases. Review shipped firmware, repository structure, build reproducibility, test evidence and documentation, then use a focused technical discussion around the target chip and interfaces.
A Microcontroller freelancer should provide maintainable source code, a reproducible build, configuration details and clear interface documentation. Depending on the scope, the handover may also include drivers, bootloader or update logic, test results, production diagnostics and instructions for debugging future hardware revisions.
The average hourly rate of freelancers in Berlin, Germany who have used Microcontroller in their recent projects is 93 €, which corresponds to a daily rate of about 742 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Microcontroller in their recent projects, 100% hold at least a Bachelor's degree, 90% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Berlin, Germany who have used Microcontroller in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.4 years.
The most common languages among freelancers in Berlin, Germany who have used Microcontroller in their recent projects are German (100%), English (100%), and French (30%).
The most common industries among freelancers in Berlin, Germany who have used Microcontroller in their recent projects are Information Technology (90%), Manufacturing (80%), and Energy (70%).
The most common business areas among freelancers in Berlin, Germany who have used Microcontroller in their recent projects are Product Development (100%), Quality Assurance (90%), and Information Technology (80%).
Main locations of FRATCH Experts, who have recently used Microcontroller
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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Munich
Stuttgart