Microcontroller Experts in Berlin
matched in minutes from over 15,000 CVsHire experts who design firmware, connect sensors and peripherals, and prepare production-ready embedded systems with tools such as ARM Cortex-M, STM32, Arduino and Zephyr. FRATCH finds a precise match among vetted, available freelancers quickly.
Meet FRATCH Experts in Berlin, who have recently used Microcontroller
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
Hendrik W.
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#
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 19 Sep 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 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 19 Sep 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
What it is
A microcontroller is a compact integrated circuit that runs dedicated control software inside a physical product. It combines processing, memory and input/output interfaces for tasks such as reading sensors, driving motors, managing displays and controlling communications. Unlike a general-purpose computer, an MCU is built for focused, predictable operation.
What it builds
Microcontrollers power products where timing, power use and dependable hardware control matter.
- Industrial monitoring and control devices
- Consumer electronics and connected appliances
- Medical, automotive and building equipment
- Robotics, wearables and battery-powered products
- Sensors, gateways and custom hardware prototypes
Ecosystem and tooling
Common platforms include ARM Cortex-M, STM32, Nordic nRF, Espressif, Raspberry Pi Pico and Microchip families. Specialists work with C and C++, and may use Rust, Arduino libraries or MicroPython for suitable projects. Tooling often includes Zephyr, FreeRTOS, PlatformIO, vendor SDKs, JTAG or SWD debugging, oscilloscopes and logic analyzers.
When expertise helps
Companies bring in freelance specialists when firmware must connect reliably to new hardware, meet strict timing needs or move from prototype to production. Berlin teams may benefit from professionals who can work remotely with hardware labs or join on-site sessions for board bring-up, testing and integration.
- Selecting an MCU and defining the hardware-software boundary
- Writing drivers, bootloaders and real-time firmware
- Integrating sensors, buses, wireless modules and power controls
- Diagnosing timing, memory, signal and reset problems
Strong delivery signals
Strong professionals start with clear requirements, interface definitions and failure cases. They separate hardware abstraction from application logic, document configuration, use version control and create repeatable tests. They also understand interrupts, concurrency, memory limits, watchdogs, low-power modes and safe firmware updates.
A capable specialist can explain trade-offs without hiding behind a board brand. They validate behavior on real hardware, use measurement tools instead of assumptions and leave maintainable build, flashing and release processes behind.
Choosing the right specialist
Match the brief to the product stage and the MCU family already in use. Ask for evidence of similar interfaces, operating constraints and production handover, not only a list of platforms. Relevant adjacent skills may include PCB review, electronics debugging, wireless protocols, cloud integration, functional safety or manufacturing test.
Clarify access to boards, test equipment, repositories and documentation before work begins. For remote collaboration, define how hardware will be shared and how defects will be reproduced. A strong professional communicates clearly in English and aligns smoothly with Berlin-based product, hardware and quality teams.
Frequently asked questions
Questions about Microcontroller? Start with the answers below.
A microcontroller runs dedicated firmware that reads inputs and controls outputs in products such as appliances, sensors, vehicles, machines and medical equipment. An MCU is well suited to tasks that need reliable timing, low power use and direct access to hardware.
A microcontroller is designed for focused control with integrated memory and peripherals, while a single-board computer usually runs a full operating system and supports richer applications. The right choice depends on processing needs, startup time, power limits, connectivity and software complexity.
A microcontroller specialist may also bring skills in electronics debugging, PCB review, communication buses, wireless connectivity and production testing. Experience with RTOS platforms, bootloaders, power management and cloud integration is useful when the product extends beyond basic firmware.
A microcontroller project needs a specialist whose background matches its hardware, interfaces and risk level. A prototype may need focused firmware and board bring-up, while a production device calls for testing, update strategies, diagnostics, security and manufacturing support.
A microcontroller project can often be handled remotely when boards, logs and test procedures are available to the specialist. On-site sessions may still help with board bring-up, lab measurements, manufacturing tests or faults that cannot be reproduced with shipped hardware.
Arduino can shorten early prototyping and make common peripherals accessible, while a vendor SDK may provide deeper control over the MCU and production features. The best option depends on performance, maintainability, certification, hardware support and the team's ability to own the resulting code.
A microcontroller professional should explain design decisions, test on real hardware and show how failures, resets, timing and memory use are handled. Review the structure of the firmware, build and flashing process, documentation, automated tests and evidence of reliable handover.
An MCU assignment should define the exact chip, board revision, toolchain, interfaces, power targets, delivery environment and access to hardware. Freelancers should also clarify who owns electrical changes, how defects are reproduced, which language the team uses and what production constraints apply.
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 743 € 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.
Munich 
Stuttgart Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
