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USB Experts in Germany

in minutes from over 15,000 CVs with the power of AI.

Hire experts who design USB device connections, firmware integration, cable and port compatibility, and test setups for peripherals, embedded systems, and industrial hardware. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Germany, who have recently used USB

Verified expert

Kacper Kowalski

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Senior Embedded Software Engineer / Lead Contributor

Solingen
Kacper Kowalski

Last position:

Author

Seqnaut and Sycosm (WIP) – Embedded Audio DSP & Synthesis Platform

  • Embedded audio DSP framework — synthesizers, effects, drum machines; modular audio graph
  • Sequencing: PianoRoll, StepGrid, MasterClock; 8-voice polyphonic synth; CLI + OSC
  • Transient Detector — dual-envelope adaptive threshold, guitar attack detection
  • Hardware: Teensy 4.1, custom AFE design tapping BOSS GX-100; MIDI FX integration

Label: C++23, C, Python, CMake, FreeRTOS, Teensy 4.1 (ARM Cortex-M7), Teensy Audio (Stoffregen), DaisySP, I2S/SAI, OSC, MIDI

Verified expert

Peter Jehle

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Interim Teamlead

Zingst
Peter Jehle

Last position:

Interim Teamlead at Somnomedics

  • Interim Teamlead to setup a project with STM32 and NORA Bluetooth module.
  • Customer is planning new hardware to replace existing hardware with Bluetooth communication instead cable connection.
  • Project was already started but the requirements were not defined.
  • System based on STM32 and Nora B106 CPU.
  • Analyzing the existing available code base.
  • Checking for possible solutions to get the project working.
  • Defining the requirements.
  • Applying some rules to improve the team communication.
  • Working with the NRF tools to get the custom board based on NORA B106 (NRF5340) working.
  • Implementation of a simple device communication by Bluetooth.
  • Preparation of documentation.
  • Leading communication meetings.
  • Conducted discussions with customer.
  • Tools used: JIRA, OneNote, Git, Confluence, Nordic NRF, Nora B106.
Verified expert

Valentin Reuter

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Freelance Hardware Development Engineer

Berlin
Valentin Reuter

Last position:

Freelance Hardware Development Engineer at Swarm Biotactics

PCB design with Altium, MCU Programming, Prototyping

Verified expert

Adam Richter

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Senior Software Engineer

Limburgerhof
Adam Richter

Last position:

Senior Software Engineer at Tonies GmbH

  • Complete platform upgrade from Expo 53 to Expo 54, considering project-critical breaking changes
  • Version bump of react-native 0.79.5 to 0.81.5 including consolidation, updating, and reinstalling all project-related dependencies (JavaScript, native modules, build tools, TypeScript tooling)
  • Identifying and fixing incompatible libraries as well as adjusting iOS and Android configurations (Gradle, Pods, build scripts)
  • Enabling and integrating the React Native New Architecture (TurboModules & Fabric) including adjusting native interfaces, build configurations, and feature flags
  • Cleaning up technical debt and harmonizing platform-specific implementations to ensure long-term maintainability
  • Stabilizing the project through detailed debugging, regression analysis, and adjustments to the tooling chain (Metro, Babel, TypeScript)
  • Conducting comprehensive test cycles (unit, E2E, device tests) and optimizing CI/CD pipelines for Bitrise and GitLab
  • Ensuring stable releases for Android & iOS in conjunction with analytics, engagement, and monitoring systems
Verified expert

Marco Hoberg

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Senior IT Project Manager – Technical Stream Lead

Reutlingen
Marco Hoberg

Last position:

Senior IT Project Manager – Technical Stream Lead at BEW Berliner Energie und Wärme GmbH

  • Leading technical stream in IT projects
Verified expert

Roland Rathmann

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Support in Ongoing Project

Vierkirchen
Roland Rathmann

Last position:

Support in Ongoing Project at Automotive Supplier

  • closing the safety case
  • creation of meaningful traceability matrices and targeted test expansion
  • transferring requirements into other database systems
  • structuring the requirements, assessing their completeness, and setting up new test cases based on use-case–based test strategies and the results of internal traceability matrices
  • partial automation of tasks within a requirement assessment tool
  • tools and languages: MS Teams, reqIF, Enterprise Architect, Codebeamer, proprietary tools for creating and evaluating traceability matrices (approx. 1000 x 1000)
Verified expert

Daniel Opitz

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Deep automotive expertise in product development, project management and functional safety

Erkelenz
Daniel Opitz

Last position:

FMEA Moderator and Expert at Tier1 Automotive

  • Creating structured item definitions as a basis for FMEA execution

  • Redesign/optimization of existing FMEAs according to the VDA/AIAG manual in PeakAvenue/Plato. Focus on the quality of defining functions and failure modes

  • Adding functions and failure modes

  • Revising the risk analysis. Adding and rating prevention and detection measures

  • Developing a framework for improved tracking of measures

  • Team training

  • Improved FMEA with a focus on early failure prevention / early failure mode avoidance

  • Successfully held customer reviews

Verified expert

Sergej Vontobel

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Freelance Developer in Embedded Electronics

Ulm
Sergej Vontobel

Last position:

Software Developer Motor Control (Project "Multi DMR – Motor-Control") at Lorch Schweißtechnik GmbH

  • Modification and redesign of the software for a series component
  • Review of the software concept and extension of functionality
  • Modification of software functions for DC motor control
  • Hardware: ARM STM32G474, CAN bus, Lauterbach T32
  • Software: Microsoft Visual Studio Code
Verified expert

Tamás Nagy

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JAVA development for thermal printer test program

Kaufbeuren
Tamás Nagy

Last position:

JAVA development for thermal printer test program at GeBE Elektronik und Feinwerktechnik GmbH

  • JAVA development for thermal printer test program

  • Further development of the free thermal printer test program in Java 1.8 AWT and Swing

  • Creating new plugins for sensor feedback using a real-time bar chart

  • Using multiple printer languages for USB, UDP, TCP and RS232 communication

  • Improving usability and responsiveness with threads and string buffering

  • Querying and displaying network configuration

  • Converting and processing hex data from printer responses

  • Advanced study of servomotors and USB bus

  • Enumerating available USB ports from the Windows Registry, retrieving additional information via PowerShell, parsing and listing all in a Java list box

  • Fixing reported database errors

  • Detecting if the printer driver is installed and recognizing physically connected devices

  • Migration to Windows 11

  • Handling customer tickets as part of support in C++ and Qt6

  • Writing CMake scripts

  • Compiling STM32 printer firmware with CMake and managing the process in FileMaker Pro

  • Technologies: Eclipse, Java 1.8, AWT, Swing, RS232, USB, TCP, UDP, PowerShell, servomotor technology, Windows 10 and Windows 11, WSL 2.4, Ubuntu Linux, CMake, Qt6, FileMaker Pro

Verified expert

Anuja Chandran

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Embedded Software Engineer

Berlin
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
Verified expert

Daniel Schäftner

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Embedded Software Engineer

Aitrach
Daniel Schäftner

Last position:

Embedded Software Engineer at Rawe Electronic GmbH / SCHELL

  • Firmware low-level driver development for an advanced water tap with bluetooth on an EFR32BG module from Silicon Labs with Simplicity Studio
Verified expert

Thomas Klaube

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Software Design & Development: VideoDownloader

Geratal
Thomas Klaube

Last position:

Software Design & Development: VideoDownloader at Ing.-Büro Thomas Klaube

  • Development of an application for macOS to view and download video streams as well as to view and record live TV streams.

  • Technologies: C/C++, Objective-C, Qt 6.7.2 / Qt 5.9.6, QtCreator, QtDesigner, QtLinguist, Xcode, UI development based on QtWidgets, qmake, make, git, shell scripting, Apple LauchAgents, Apple AVFoundation, ffmpeg, ffplay, fffprobe.

  • Platforms: macOS Sonoma, macOS Mojave.

Verified expert

Kuldeep Gadhiya

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Student research assistant

Chemnitz
Kuldeep Gadhiya

Last position:

Student research assistant at Technische Universität Dresden

  • Designed RF component matching networks, Wilkinson power dividers, embedded symmetric stripline transmission lines, and other RF components.
  • Performed measurements and analysis to identify the main error source in a spherical scanner.
  • Developed bow-tie antennas for ground-penetrating radar and tested them for interference in a rover.
Verified expert

Juan Solano Menacho

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Embedded Software Consultant

Munich
Juan Solano Menacho

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

Discover over 15,000 top freelancers

Statistics of experts using USB

Aggregated from the professional profiles of matched freelancers.

Experience

23 years

Position duration

2.2 years

Positions per freelancer

17

Top business areas

Product Development, Quality Assurance, Information Technology

Top industries

Manufacturing, Information Technology, Automotive

Certification focus areas

Information Technology, Quality Assurance, Product Development

Bachelor's degree or higher

92%

Master's degree or higher

73%

Doctorate

19%

Certifications per freelancer

2

Most common languages

English, German, Spanish

Speak two or more languages

100%

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 4 8 12 16
<€480 €480-​640 €640-​800 €800-​960 €960-​1120 €1120+

The chart shows how the daily rates of freelancers in this technology in Germany 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 Germany using USB

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
Rate comparison chart
Daily rate avg. 718 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

800
600
400
200
Rate comparison chart
Median rate 720 €

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

USB basics

USB, or Universal Serial Bus, is the standard for connecting devices, moving data, and supplying power. Companies use it for peripherals, storage, industrial controllers, test equipment, and embedded products. Strong specialists know how the protocol, connectors, and power rules work together.

Common use cases

  • Device connection for keyboards, cameras, scanners, and audio gear
  • Firmware work for embedded boards and custom hardware
  • Data transfer for storage, diagnostics, and service tools
  • Power delivery planning for charging and low-power devices

Ecosystem and tooling

USB work often touches host stacks, device firmware, drivers, and hardware validation. Professionals may work with USB-C, USB 2.0, USB 3.x, and USB4, plus tools for protocol analysis, board debugging, and compliance testing. They also need to understand cable quality, enumeration, and endpoint behavior.

When to bring in freelance help

Companies bring in USB specialists when a device is not detected, transfer speed is unstable, or power negotiation fails. The same applies when a new product must support several connector types or needs reliable behavior across operating systems. In Germany, this often matters for hardware teams that need short-term, on-site help during lab testing or remote support for firmware reviews.

What strong specialists do

Strong professionals trace issues from the connector to the protocol layer. They check descriptors, hub behavior, power draw, transfer modes, and driver interaction. They also document the problem clearly so hardware, firmware, and test teams can act on it.

What quality looks like

Good USB experts write down test steps, identify root causes, and suggest fixes that fit the product design. They think about backward compatibility, signal integrity, and user experience, not only the immediate bug. They also know when a problem is electrical, software-related, or caused by the wrong cable or port choice.

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Frequently asked questions

What clients ask us most about USB — answered in short.

USB is used to connect devices, move data, and deliver power. In practice, that includes peripherals, storage, embedded products, service ports, and test equipment. For many companies, it is the simplest way to make hardware easy to use and easy to support.

You should bring in a USB specialist when a device is not enumerating, transfer speeds are inconsistent, or power negotiation is failing. It also makes sense during new product design, connector changes, or compliance testing. Early support usually avoids expensive redesign work later.

USB is a wired interface, so it is usually chosen for stable data transfer, charging, and device control. Bluetooth and Wi-Fi are better for wireless communication, but they add latency, pairing steps, and radio complexity. Many products use USB for setup or service and wireless for daily use.

A strong USB freelancer usually understands firmware, hardware debugging, and basic driver behavior. Knowledge of signal integrity, power delivery, and protocol analysis is also valuable. For embedded products, experience with boards, oscilloscopes, and logic analyzers helps a lot.

Not every USB task needs deep seniority, but complex issues usually do. Simple connector checks or basic integration can be handled by a specialist with practical experience, while custom device classes, power problems, and cross-platform behavior need someone stronger. The right level depends on how much of the stack is involved.

Many USB tasks can be done remotely if the specialist has logs, captures, schematics, and firmware access. On-site help is better when hands-on lab testing, hardware swaps, or compliance setup are needed. In Germany, teams often use a mix of remote review and on-site validation.

Look for evidence that the USB expert has solved real device issues, not just listed the standard terms. Good signs are clear debugging methods, familiarity with USB-C and legacy ports, and the ability to explain root cause in plain words. Ask how they would test enumeration, power, and data stability.

The most common USB problems are bad cable assumptions, unstable power, failed enumeration, and speed that does not match the design. Connector choice can also create issues when a product must support older ports and newer USB-C setups. A good specialist checks both hardware and firmware before changing the design.

The average hourly rate of freelancers in Germany who have used USB in their recent projects is 90 €, which corresponds to a daily rate of about 718 € based on an 8-hour working day.

Of the freelancers in Germany who have used USB in their recent projects, 92% hold at least a Bachelor's degree, 73% hold at least a Master's degree, and 19% hold a doctorate.

On average, freelancers in Germany who have used USB in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.2 years.

The most common languages among freelancers in Germany who have used USB in their recent projects are English (100%), German (95%), and Spanish (16%).

The most common industries among freelancers in Germany who have used USB in their recent projects are Manufacturing (78%), Information Technology (68%), and Automotive (57%).

The most common business areas among freelancers in Germany who have used USB in their recent projects are Product Development (95%), Quality Assurance (86%), and Information Technology (84%).

Main locations of FRATCH Experts, who have recently used USB

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

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Philipp Thomaschewski

FRATCH CEO

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