UART Experts in Munich
for reliable device communication, matched with vetted freelancers in minutesHire experts who design, configure and troubleshoot UART communication across embedded devices, sensors and production test systems. FRATCH uses precise AI matching to connect you with vetted, available freelancers quickly.
Meet FRATCH Experts in Munich, who have recently used UART
Giuseppe A.
Last position:
Embedded Software Developer at Inheco
- AI Integration (LLM & RAG): Design and build of an internal intelligent RAG system (Retrieval-Augmented Generation) based on LLMs, n8n, and vector data for the automated analysis of technical documents and error logs.
- Design & Implementation: Design of a robust RS-232/UART communication interface for an SBC-based embedded device to control medical shaker systems.
- Architecture & Protocol Design: Implementation of a highly maintainable software structure (OOP, SOLID) and definition of hardware-close, resilient communication protocols including multithreading and advanced error handling.
- Quality Assurance & DevOps: Test automation using xUnit, integration tests directly on the hardware target, and maintenance of technical documentation according to strict medical technology standards via Azure DevOps.
Label: C#, .NET, LLMs, RAG, n8n, RS-232, UART, Multithreading, async/await, xUnit, gRPC/protobuf, Blazor, MudBlazor, EF Core, Visual Studio 2026, Azure DevOps
André H.
Last position:
Linux IT Admin at ReiserST
- Development and maintenance of IT architectures with embedded Linux systems.
- Designing, implementing, and optimizing backend applications and script-based solutions.
- Analyzing and resolving issues, including troubleshooting and user support.
- Developing and implementing security concepts for cloud solutions.
- Administering networks (DHCP, DNS, NTP, VPN).
- Technologies: Linux, PowerShell, Bash, Python, Ansible, Kubernetes, GitLab CI.
- Methods: Kanban.
Subodh K.
Last position:
Senior Software Engineer at EDAG Engineering GmbH
Project Title: Path Planning Module Development (Oct 2024 – Jun 2025)
Developed path planning module using C++14 and CMake
Implemented gRPC communication protocol between modules
Performed unit testing using Pytest framework and Python
Project Title: HMI Programming for Battery, Fuel Cell Electric Vehicle (Aug 2023 – Sep 2024)
Developed HMI software for BEV/FCEV using Ruby and Crystal for backend
Implemented frontend using Vue.js framework
Conducted bug fixes and simulator testing
Project Title: IFHOST CAN Bus Programming (Jan 2023 – Jul 2023)
Programmed CAN bus software using C and C++
Executed unit tests with Google Test framework
Performed integration testing using CAPL in Vector CANalyzer
Participated in onsite testing
Juan S.
Last position:
Embedded Software Consultant at Embedded Software Consulting
- Development of a solar charge controller on an STM32 platform running FreeRTOS
- Development of embedded DSP software for automotive audio applications. Real-time signal processing software using C and Python/NumPy
- Development of serial drivers (SPI, I2C, UART) and real-time components in C for an electricity meter telemetry platform
- Unit testing with Unity and integration testing with Python
Maryam S.
Last position:
Hardware and Control Engineer at Technical University of Munich
- Developed a 6 kW AC-DC power converter for automotive applications.
- Selected and tested SiC MOSFETs, gate drivers, diodes, and high-voltage capacitors.
- Created schematics and designed multilayer PCBs in Altium Designer.
- Collaborated with software and mechanical teams for system integration.
- Developed an advanced control strategy for traction inverters.
- Implemented and tested control algorithms in MATLAB/Simulink.
- Conducted detailed efficiency, power factor, and common-mode current measurements.
Daniel C.
Last position:
Founder & Managing Director at BotCraft GmbH
- Building the company with a focus on connectivity for IIoT and Industry 4.0, iRPA/process automation, advanced robotics and smart systems, sensors and services
- Project management and software architecture for IoT gateway development (since 2020) with protocol translation, IT/OT convergence and GRC
- Developing RPA bots for automating and monitoring industrial processes with an agent-based AI approach (since 2020)
- Implementing unsupervised clustering and anomaly detection for time series data in big data streaming pipelines (since 2021)
- Introducing a Docker-based release train for OTA updates with DevSecOps and CI/CD (since 2018)
Janybasha S.
Last position:
Diagnostic Software Developer at BMW Group
- Development of the vehicle communication stack in C using AUTOSAR tools for robust inter-module communication within the ECU
- Design, implementation and validation of functions for the electric powertrain, contributing to improved efficiency and reliability
- Definition and verification of system and software requirements, ensuring traceability and compliance with standards
- Collaboration with development partners in North Africa, coordinating architecture, interfaces and integration milestones
- Extension of the communication stack with enhanced security features, increasing resilience against unauthorized access and data manipulation
Aydın A.
Last position:
Freelancer Virtual Defect Manager - ECUs at Cariad SE
- Coordination, planning and reporting of base software bugs between software/hardware supplier, internal departments and functional owners
Discover over 15,000 top freelancers
Statistics of experts using UART
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 16 years)
Position duration
2.5 years (Germany: 2.1 years)
Positions per freelancer
10
Top business areas
Product Development, Quality Assurance, Information Technology
Top industries
Automotive, Information Technology, Healthcare
Bachelor's degree or higher
100%
Master's degree or higher
100% (Germany: 88%)
Doctorate
29% (Germany: 12%)
Certifications per freelancer
0 (Germany: 1)
Most common languages
German, English, Spanish
Speak two or more languages
100%
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 Munich 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 Munich using UART
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.
UART experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Automotive (88%)
- Information Technology (75%)
- Healthcare (63%)
- Manufacturing (63%)
- Transportation (38%)
- Aerospace and Defense (25%)
- Biotechnology (25%)
- Energy (25%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What UART Does
UART, or Universal Asynchronous Receiver-Transmitter, is a hardware communication method for exchanging data between electronic devices. It sends data serially without a shared clock, using agreed settings for speed, data format and signal levels. It is common in embedded products, test equipment and board-level interfaces.
Where It Runs
UART connects microcontrollers, processors, sensors, modems, GNSS receivers, motor controllers and industrial modules. It is often used for device configuration, diagnostic output, firmware updates and command exchange. In Munich, specialists support products ranging from automotive electronics to automation and connected equipment.
- Connect embedded boards to peripheral modules
- Provide bootloader and diagnostic communication
- Exchange commands with cellular or GNSS hardware
- Validate serial links in laboratory and production setups
Ecosystem And Tools
Strong UART work includes hardware and software decisions. Professionals understand TTL and CMOS logic levels, RS-232 and RS-485 transceivers, baud-rate configuration, parity, stop bits, framing errors and flow control. They use oscilloscopes, logic analyzers, serial terminals and firmware logging to inspect real signals.
When Expertise Helps
Companies bring in freelance specialists when a board cannot communicate reliably, a peripheral integration is blocked or field failures are difficult to reproduce. Expertise is also valuable during prototype bring-up, driver development, production testing and the handover from laboratory hardware to a robust product.
- Investigate corrupted, missing or delayed bytes
- Match firmware settings with transceiver hardware
- Create test procedures and interface documentation
- Improve recovery from noise, resets and disconnects
Skills Around UART
UART rarely stands alone. Effective professionals combine embedded C or C++, microcontroller peripherals, interrupts, DMA, RTOS concepts and hardware schematics with disciplined debugging. They may also work with Linux serial devices, Python test scripts, bootloaders, PCB interfaces and automated hardware-in-the-loop testing.
What Good Looks Like
A strong specialist explains the complete signal path, from voltage levels and wiring to buffers, drivers and application behavior. They define a clear protocol, handle timeouts and malformed frames, and leave repeatable tests behind. For remote collaboration, precise logs, schematics, interface specifications and recorded measurements keep work moving; on-site access can help with probing and board bring-up.
Frequently asked questions
What clients ask us most about UART — answered in short.
UART is used for simple serial communication between a processor and components such as sensors, modems, GNSS receivers or diagnostic tools. It can carry configuration commands, telemetry, bootloader data and service logs.
UART is asynchronous and usually needs fewer signal lines, but it does not provide the shared-clock behavior of SPI or the addressed multi-device structure of I2C. The right choice depends on wiring distance, throughput, device count, protocol complexity and hardware support.
UART work benefits from embedded C or C++, microcontroller peripherals, interrupts, DMA and RTOS knowledge. Familiarity with oscilloscopes, logic analyzers, Linux serial interfaces, transceivers and automated test scripts is also valuable.
A UART freelancer should have handled the type of interface involved, such as firmware integration, board bring-up, modem control or production testing. The relevant depth depends on whether the project needs a small configuration change, a new driver or root-cause analysis across hardware and software.
UART configuration, driver work and log analysis can often be completed remotely when the company provides schematics, firmware access and representative hardware data. On-site work in Munich may be useful for probing live signals, testing prototypes or resolving issues that cannot be reproduced with a remote setup.
UART describes the serial communication peripheral and signaling logic, while RS-232 defines electrical levels and an interface suitable for specific cable connections. A project may use a UART connected through an RS-232 transceiver when voltage conversion, noise tolerance and connector compatibility are required.
Look for UART specialists who can explain baud-rate settings, framing, voltage levels, buffering and error recovery in the context of the actual hardware. Good work includes measured evidence, clear protocol documentation, repeatable tests and handling for resets, noise and incomplete messages.
For UART work, provide the board schematics, pin assignments, signal-level details, peripheral documentation, firmware context and examples of the failure. Logs from a serial terminal or logic analyzer can shorten diagnosis, while clear acceptance tests help confirm the fix.
The average hourly rate of freelancers in Munich, Germany who have used UART in their recent projects is 91 €, which corresponds to a daily rate of about 728 € based on an 8-hour working day.
Of the freelancers in Munich, Germany who have used UART in their recent projects, 100% hold at least a Bachelor's degree, 100% hold at least a Master's degree, and 29% hold a doctorate.
On average, freelancers in Munich, Germany who have used UART in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2.5 years.
The most common languages among freelancers in Munich, Germany who have used UART in their recent projects are German (100%), English (100%), and Spanish (50%).
The most common industries among freelancers in Munich, Germany who have used UART in their recent projects are Automotive (88%), Information Technology (75%), and Healthcare (63%).
The most common business areas among freelancers in Munich, Germany who have used UART in their recent projects are Product Development (100%), Quality Assurance (100%), and Information Technology (75%).
Main locations of FRATCH Experts, who have recently used UART
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.
Berlin Hamburg 
Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg 
Berlin Request a free demo
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Philipp Thomaschewski
FRATCH CEO
