Doxygen Experts in Germany
to turn complex code into clear documentation, matched in minutesHire experts who configure Doxyfiles, document C++, C, Java and Python code, and publish searchable API references for technical teams. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Doxygen
Ljubomir O.
Last position:
Senior Software Test Engineer at Keil KTM GmbH
Temporary employment
- System black-box integration tests (BBIT, IVVQ): Execution of regression, release, acceptance, and compliance tests for safety-critical brake control units in the rail industry
- Software test application & integration: Runtime configuration of software components and libraries, validation of interfaces, configuration dependencies, and component interactions
- Test automation (FEAT framework): Co-development and further development of an automated test framework for test execution, reporting, and result analysis
- Functional safety (SiL4, FuSi): Ensuring compliance with safety requirements, traceability and coverage, as well as standards compliance according to EN50126/28/29
- Test automation for communication components: Configuration and validation of fieldbus (CAN) and Ethernet-based TCMS data communication interfaces (TRDP and CIP)
- Requirements analysis & shift-left (PTC Windchill ALM): Analysis of software and system artifacts to identify gaps, ambiguities, and redundancies early in the SDLC
- Test design & test case development: Derivation of test conditions, coverage strategies, and implementation of data-driven test cases (DDT), including reusable test data fixtures
- CI/CD & automation (Python, PowerShell, Jenkins, SVN): Automation of build, test, and HIL deployment processes as well as integration into CI/CD pipelines
- Test data & configuration management (XML): Maintenance and adaptation of XML test vectors and system configurations with automated integration into test environments
- Non-functional testing: Execution of performance and load tests to assess stability and system behavior
- Agile development & defect management (JIRA, Confluence): Participation in Scrum teams, test coordination, review of test artifacts, as well as defect tracking and root-cause analysis
- Error analysis & debugging (CANoe, CANalyzer): Analysis of errors and message flows across multiple system layers (application to bus)
- Model-based analysis (UML, Enterprise Architect): Specification of SUT/SOW and support for systematic test control
- Process & test documentation: Creation of integration and test documentation according to internal quality and certification requirements
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.
Alexander D.
Last position:
Systems Engineer at infoteam AG
- Further development and maintenance of data management software in the nuclear sector
- Processing and resolution of problem reports
- Bug fixing and defect remediation
- Performance optimization of legacy code
- Analysis and remediation of security vulnerabilities
- Specification and conceptual design of new features
- Modernization of legacy codebase to C++17
- Technologies & tools: C++, ClearCase, SQL, HTML, CSS, JavaScript, Git, Linux, Solaris, Shell-Script, VisualStudio
- Frontend – Smart Sensor Dashboard: development of a browser-based dashboard for real-time visualization of smart sensor data
- Technologies & tools: TypeScript, Angular, HTML, CSS, JavaScript, MQTT, VisualStudio
- Implementation of embedded safety software for a magnetic levitation elevator system
- Requirements engineering
- Documentation and implementation of safety software for the magnetic levitation elevator control system and the central management system
- Creation and execution of unit tests for all implemented modules
- Technologies & tools: C/C++, Jira, Bitbucket, Confluence, VectorCAST, MISRA-C, Lint, Doxygen, Git
Abdelrahman H.
Last position:
Research Assistant (WHK), FPGA Development – BrassSense Project at HAW Hamburg / Prof. Peter Schulz
- Real-time tone detection on FPGA (~20 ms latency target) using a filter bank architecture with a fuzzy-logic decision stage, avoiding FFT due to its window-length/frequency-resolution tradeoff.
- Responsible for system integration and architecture.
Florian W.
Last position:
Software Engineer at micimo GmbH
- Developing a professional scheduler for organizations with specific detailed requirements
- Evaluating different existing software solutions
- Creating a list of technical requirements
- Implementing these requirements
- Selected technologies: WebDAV, CalDAV, Rust, Baikal, OAuth, Keycloak
Daniel P.
Last position:
Freelance specialist in industrial automation technology at dPSolutions
- Self-employed PLC and software specialist focusing on automation and special-purpose machinery
- Programming, modernization, expansion and optimization of production systems, focusing on increased efficiency, data transparency and system integration
- PLC programming and safety with Siemens S7 Classic/TIA Portal, Beckhoff TwinCAT 2/3 and CoDeSys
- Development of high-level language software and database applications (.NET / C#, C++, Visual Basic .NET, Borland/Embarcadero C++)
- Development of custom software solutions for industrial automation, including embedded systems (Raspberry Pi, Arduino, NodeMCU, ESP8266)
- Integration of external systems such as reading devices, printers, scales, scanners and cameras, as well as various bus systems (Ethernet, Profinet, Profibus, EtherCAT, CAN bus, RS232, TCP/IP)
- Creation of visualizations and HMI applications with Siemens WinCC flexible, Beckhoff HMI and .NET frontends
- Planning, development and integration of machine vision solutions (Keyence, Cognex, AVS Alfavision, camera systems) in PLC and PC environments
- Design and implementation of process data collection systems and traceability solutions (100% traceability) based on Microsoft SQL Server (Compact, Express, Server), including stored procedures and direct PLC-SQL communication
- Creation of software and PLC concepts, standard function blocks and project libraries for PLC and high-level language projects
- Planning and programming of conveyor, inspection, assembly, packaging and grinding systems in industries such as automotive, chemical, food, electronics, machinery and systems engineering
- Conducting workshops and training on Siemens TIA Portal, STEP7 Classic, Beckhoff TwinCAT (including TwinSAFE), as well as topics such as architectures, safety, database integration and documentation
- Creation of technical documentation, manuals, training materials and class documentation with Microsoft Office and Doxygen
- Project management tasks from requirements analysis through planning, concept development and supplier coordination to commissioning, production support and customer support
Vili D.
Last position:
Technical Lead, Data Engineer at Mercedes-Benz Consulting
- Optimized the data architecture (medallion) to better decouple processing stages and improve transparency and reproducibility
- Ensured technical quality of data processing in Databricks by introducing schema enforcement, data quality checks and a structured data architecture
- Orchestrated pipelines with Azure Data Factory
- Professionalized and automated the development and deployment process by integrating Git and GitHub Actions
- Led the Data Engineering team (3 members) in a functional role
- Conducted workshops to optimize and stabilize the data platform and the development process
- Collected and prioritized new requests, maintained the product backlog
- Technologies: Microsoft Azure (Data Lake, Data Factory), Databricks, Apache Spark (PySpark), Python, SQL, Git, Confluence, Power BI, Power Apps, Dataverse, MS SharePoint, Mural
Oleksii K.
Last position:
Software developer (freelance) at Sasse Elektronik GmbH
- Built custom Yocto Linux image with Docker support (NXP i.MX 6ULL)
- Developed distributed Python application (web interface, gas/temp control)
- Designed multiple docker containers for production and development
- Wrote documentation per IEC 62304
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#
Michael M.
Last position:
IT PROJECT MANAGER (MS Exchange) at Statutory Health Insurance on behalf of Randstad Digital Germany (formerly AUSY Technologies Germany)
Migration from Exchange 2016 to Exchange 2019 and Exchange Online, as well as the introduction of a backup solution and an archiving solution. The goal was a secure, compliant, and high-performance modernization of the email and archiving infrastructure.
Responsibilities as IT PROJECT MANAGER: Overall project management and operational control / Ensuring adherence to costs and resources / Ensuring achievement of project objectives / Ensuring compliance with regulatory requirements and compliance guidelines, including ISMS, ITIL, and data protection regulations / Preparing and delivering management reports for the project sponsors and project committee / Coordinating interdisciplinary teams from Exchange, network, data protection, and IT security / Planning and executing the system migration from Exchange 2016 to Exchange 2019 / Planning and executing the system migration from Exchange 2019 to Exchange Online / Planning and implementing a backup solution for Exchange Online / Coordinating an EU-wide tender for an archiving solution including market analysis with potential vendors / Planning and implementing an archiving solution for Exchange Online / Coordinating and preparing the necessary BAS notifications in the project context / Coordinating and aligning with stakeholders (e.g. business units, external service providers, and suppliers) for requirements definition and implementation
Technical environment: MS Exchange 2016, MS Exchange 2019, MS Exchange Online, MS Office, MS Planner, MS PowerPoint, MS Project, MS Teams
Edda N.
Last position:
Independent Software Developer at Professional Programming
since 03.2025: development of new functionality, customer-specific adaptations and bug fixing of an ERP system in the inventory management area for medical products (Windows 11, Mumps, GT.M)
09.2022–04.2024: creation of diagnostic routines for the entire vehicle fault memory and implementation of a diagnostic application for the after-sales area using PRODIS Automation (Windows 10, graphical J2EE platform, PRODIS Automation DSA)
09.2020–06.2022: analysis of requirements, creation of concepts and specifications, software development in C, bug fixing, code reviews, module testing, integration, series maintenance according to PTC Integrity Tracker (microprocessor SAMA5, Linux, C, Visual Studio 15/19, Polyspace, MISRA, Integrity PTC, Jenkins, make/cmake)
07.2019–11.2019: implementation and installation of customer-specific adjustments and extensions in the field of electronic payment transactions, preparation and execution of tests (Windows 7, Linux, C++, make, Eclipse, Git)
01.2019–07.2019: software development of headlamp control units according to Automotive SPICE, reviews with QA (microcontroller Renesas RH850, C, Git, Green Hills Compiler/Linker, Visual Studio 2013, Rational ClearCase, ClearQuest, Vector CANoe)
01.2017–12.2018: project management, software requirements analysis, development according to MISRA and HIS, QA plan, document reviews, configuration management, on-site support (Renesas RH850, C, Git, Visual Studio 2013, DOORS, ClearCase, ClearQuest, Vector CANoe)
02.2013–10.2016: redesign and implementation of CAN/LIN restbus software and D-PDU API, development of various restbus adapters, feature extensions, FIBEX integration, driver control, D-PDU API interface, performance optimization, module tests, documentation, commissioning (Windows 7, C++11/98, Python 3.2, IronPython, Visual Studio 2010/2012/2013, Boost, Doxygen, ClearCase, Vector CANoe, D-Server Softing DTS 8)
06.2011–09.2012: adaptation and maintenance of the MCVI Diagnostic Server according to ASAM MCD-3D 3.0.0 and ODX 2.2, development of diagnostic tools and user interfaces, transformation of ODX data, regression tests with CppUnit and JUnit (Windows 7, C++, Java)
01.2010–05.2011: design, development and commissioning of a program for customer, project and product catalog management (Windows XP, Visual Basic .NET, Microsoft Access)
04.2008–12.2009: programming of ODX data-based diagnostic routines, requirement documents and test specifications, simulation tests, maintenance and bug fixing (Windows XP, J2EE platform, Oracle)
02.2007–12.2007: implementation of the framework for pattern design and management software, functional extensions, setup project (.NET, C++, Visual Studio 8, Microsoft Access, Windows XP)
Radislav Z.
Last position:
Interim Project Manager at ZakZak Engineering (Client: Eco Energy Future AG)
Retrofit of wind turbines with innovative technologies
Set up a project management system based on Atlassian software with the Work Management and Confluence modules
Developed a workflow for the proposal process for retrofitting existing wind turbines (WKA) and photovoltaic systems (PVA)
Created business cases and business plans
Tracked deadlines and content of the project and piloted the workflow in client projects
Ensured stakeholder acceptance of the project management system
Introduced and consistently applied agile methods, such as Kanban
Met deadlines and delivered content for the set milestones
Acquired industry knowledge
Successfully implemented Atlassian software
Dietrich C.
Last position:
Linux Systems Engineer at Personal Projects and Further Training
- Skills: ACLs, Android, Ansible, Apache, Backup, Bash, BindFS, Modern C++, CFEngine, ClusterSSH, CSS, CUPS, Debian, DHCP, DNS, dovecot, exim4, Firewall, FUSE, GIMP, Git, gnupg, HTML, IMAP, IPv4, Kerberos, LDAP, LineageOS, Linux, Mercurial, NAT, Networking, NFSv4, OpenPGP, OpenSSH, OpenSSL, OpenVPN, PHP, pxelinux, Python, RAID, Responsive Web Design, Routing, Shorewall, SMTP, SSHFS, SSL/TLS, systemd, TFTP, UPS, VPN, X11, XMPP
Daniel S.
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
Thomas K.
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.
Discover over 15,000 top freelancers
Statistics of experts using Doxygen
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
3.9 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Product Development, Quality Assurance
Bachelor's degree or higher
83%
Master's degree or higher
54%
Doctorate
13%
Certifications per freelancer
2
Most common languages
German, English, French
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 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 Doxygen
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.
Doxygen 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 (76%)
- Manufacturing (72%)
- Automotive (55%)
- Education (45%)
- Healthcare (41%)
- Professional Services (38%)
- Telecommunication (34%)
- Aerospace and Defense (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Doxygen does
Doxygen is an open-source documentation generator for source code. It reads structured comments and code declarations, then creates reference documentation in formats such as HTML, LaTeX and XML. Teams use it to explain APIs, modules, classes, functions and dependencies without maintaining every page by hand.
Core documentation work
A Doxygen specialist turns undocumented or inconsistent code into a navigable technical reference. Typical deliverables include:
- Doxygen configuration through a maintained Doxyfile
- API references for public and internal interfaces
- Class, module and dependency diagrams
- HTML portals for developers and support teams
- Documentation integrated into release workflows
Ecosystem and tooling
Doxygen works across C and C++ projects and supports languages including C#, Java, Python, PHP and Objective-C. Strong professionals understand Markdown, Javadoc-style comments, Graphviz and PlantUML, as well as build tools such as CMake, Make and CI pipelines. They can connect generated output with Git-based review and publishing processes.
When companies need specialists
External expertise helps when documentation has become outdated, when a public API needs a reliable reference, or when a product team is preparing a major release. It is also useful during library modernization, handovers and compliance-oriented documentation work. In Germany, specialists may support industrial, automotive, embedded and software teams remotely or alongside on-site engineering groups.
What quality looks like
Good Doxygen output starts with a sensible information structure, not with dense comments everywhere. Experienced professionals define documentation conventions, select the right extraction settings and keep generated pages useful for their audience. They also check links, diagrams, examples and version handling so the reference remains trustworthy as the code changes.
Choosing the right expert
Look for evidence of documentation projects involving the same languages, build environment and release model as yours. Ask how the specialist handles undocumented interfaces, custom templates, warnings and documentation reviews. The best fit can explain trade-offs between generated API references, hand-written guides and tools such as Sphinx, while leaving your team with a maintainable Doxygen setup.
Frequently asked questions
Not sure where to start with Doxygen? These answers cover the essentials.
Doxygen generates reference documentation from source code and structured comments. Companies use it for APIs, libraries, embedded software, internal platforms and other codebases where users need searchable details about classes, functions, modules and dependencies.
Doxygen is especially useful when documentation must be generated directly from C or C++ source and related interfaces. Javadoc is closely aligned with Java, while Sphinx is often chosen for narrative documentation and Python projects; many teams combine tools rather than treating them as strict alternatives.
A strong Doxygen specialist often brings experience with Markdown, Git, CMake, CI pipelines and Graphviz. Knowledge of C++, C, Java, Python or embedded systems helps them interpret the code and produce documentation that matches how the product is built and released.
The required level depends on the codebase, documentation scope and build process. A small configuration task may need focused Doxygen knowledge, while a multi-module API portal calls for a professional who can design conventions, improve source comments and integrate publishing into delivery workflows.
Yes. Doxygen projects are usually well suited to remote collaboration because source code, configuration and review workflows can be shared securely. On-site work can still help when documentation depends on hardware, restricted repositories or close collaboration with German-speaking product and quality teams.
Review a specialist’s examples for structure, accuracy and ease of navigation rather than visual volume alone. With Doxygen, check whether links resolve, diagrams clarify relationships, public interfaces are covered and the generated output stays consistent with the source code.
Doxygen supports several languages, including Java, C#, Python, PHP and Objective-C, although the depth of automatic extraction varies. A qualified professional will confirm language support, comment conventions and the required configuration before choosing the documentation approach.
A Doxygen freelancer may deliver a configured Doxyfile, improved source comments, generated HTML or PDF references, diagrams and CI integration. They can also define documentation standards, add custom templates and show the team how to maintain the output after the engagement ends.
The average hourly rate of freelancers in Germany who have used Doxygen in their recent projects is 89 €, which corresponds to a daily rate of about 709 € based on an 8-hour working day.
Of the freelancers in Germany who have used Doxygen in their recent projects, 83% hold at least a Bachelor's degree, 54% hold at least a Master's degree, and 13% hold a doctorate.
On average, freelancers in Germany who have used Doxygen in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 3.9 years.
The most common languages among freelancers in Germany who have used Doxygen in their recent projects are German (100%), English (100%), and French (21%).
The most common industries among freelancers in Germany who have used Doxygen in their recent projects are Information Technology (76%), Manufacturing (72%), and Automotive (55%).
The most common business areas among freelancers in Germany who have used Doxygen in their recent projects are Information Technology (100%), Product Development (97%), and Quality Assurance (93%).
Main locations of FRATCH Experts, who have recently used Doxygen
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 Request a free demo
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FRATCH CEO
