UART Experts in Munich
matched in minutes with the power of AI from over 15,000 CVsHire experts who configure reliable serial communication, write low-level device drivers, and debug embedded bus protocols. Connect with vetted, available freelance specialists tailored to your hardware requirements.
Meet FRATCH Experts in Munich, who have recently used UART
Giuseppe A.
Last position:
Embedded Software Development at Inheco
- AI Integration (LLM & RAG): Designed and built an internal intelligent RAG system (Retrieval-Augmented Generation) based on LLMs, n8n, and vector data to automatically analyze technical documents and error logs.
- Design & Implementation: Designed a robust RS-232/UART communication interface for an SBC-based embedded device used to control medical shaker systems.
- Architecture & Protocol Design: Built a highly maintainable software structure (OOP, SOLID) and defined resilient, hardware-level communication protocols, including multithreading and advanced error handling.
- Quality Assurance & DevOps: Automated testing with xUnit, ran integration tests directly on the hardware target, and maintained technical documentation 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.
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
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
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: 2.2 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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Munich 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 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 29 Oct 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
Hardware-Level Serial Communication
Universal Asynchronous Receiver-Transmitter technology serves as a core communication protocol in embedded engineering. The hardware module translates parallel data from microcontrollers into serial streams and vice versa. It enables reliable peer-to-peer communication between microchips, host computers, sensors, and peripherals across industrial and commercial devices.
Core Engineering Tasks and Implementation
- Writing and refining non-blocking device drivers with DMA and ring buffers
- Integrating RS-232, RS-422, and RS-485 physical transceivers for rugged industrial links
- Developing custom packet framing, checksum validation, and timeout detection
- Setting up debug shells, bootloader utilities, and serial AT command interfaces
Diagnostic Equipment and Tooling Ecosystem
Specialists rely on digital logic analyzers and mixed-signal oscilloscopes from Saleae, Rohde & Schwarz, or Rigol to inspect signal timing. Hardware protocol analyzers inspect framing errors, parity mismatches, and noise artifacts. On the host side, utilities like minicom, screen, PySerial, and terminal consoles support functional testing and automated validation.
When Engineering Teams Require External Specialists
Projects often bring in specialists when data loss occurs under high interrupt loads or when clock jitter causes baud rate misalignment. Buffer overruns, deadlock issues in RTOS tasks, and porting low-level communication stacks across different microcontroller architectures also demand deep protocol competence to maintain system stability.
Munich Industrial and Hardware Integration
Munich hosts major automotive enterprises, industrial automation suppliers, and medical technology manufacturers. Many hardware setups in the Munich ecosystem pair asynchronous serial buses with internal interfaces like SPI and I2C or external networks such as CAN and Ethernet. On-site access to local laboratories aids initial hardware bring-up and physical validation.
Hallmarks of Seasoned Serial Protocol Specialists
Proficient specialists design robust interrupt handlers, isolate bus contention, and calculate precise clock divisor settings. They manage electrical level shifting, evaluate signal rise times, and implement noise filtering for industrial deployments. Clear documentation of custom serial packet structures ensures maintainable code across teams.
Frequently asked questions
What clients ask us most about UART — answered in short.
A UART controller provides point-to-point asynchronous data transfer between microcontrollers, companion chips, and peripheral sensors. It is frequently employed for diagnostic logging, device configuration menus, serial bootloaders, and external modem interfaces.
Unlike SPI and I2C, standard Universal Asynchronous Receiver-Transmitter links use no shared clock line, relying instead on agreed baud rates and framing bits. This reduces line counts to transmit and receive wires, though it trades away the higher synchronous clock speeds of SPI.
A proficient UART professional must command bare-metal C or modern embedded Rust, understand nested interrupt vector controllers, and configure direct memory access. Experience with bus transceivers like RS-485 and logic analyzer decoding is essential for troubleshooting edge cases.
Firmware driver architecture, simulation, and software framing layers can be developed remotely. However, for hardware bring-up in the Munich area, local serial communication specialists who can visit testing facilities to probe hardware benches and use physical oscilloscopes deliver faster results.
Experts address UART transmission faults by optimizing clock prescalers to eliminate baud rate drift and implementing ring buffers managed by direct memory access. Hardware flow control lines such as RTS and CTS are integrated to halt transmission before buffers saturate.
Automotive Tier 1 suppliers, robotics manufacturers, and aerospace firms throughout the Munich technology corridor utilize asynchronous serial interfaces for internal sub-modules, telematics units, diagnostic ports, and industrial sensor arrays.
Most engineering teams in Munich communicate technical specifications and driver code in English. For on-site lab work and collaboration with local production teams, intermediate to fluent German language ability helps accelerate day-to-day coordination when deploying UART hardware.
Evaluate their familiarity with race condition prevention in ring buffers, interrupt latency management, and parity bit handling under heavy CPU utilization. A seasoned UART specialist should easily demonstrate how they resolved bus timing jitter or signal degradation on physical hardware.
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
