Win32 API Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Win32 API
Giuseppe Abrignani
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
Florian Wede
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
Markus Ickenroth
Last position:
Senior System Engineer Microsoft at Technidata IT-Service GmbH
As part of the project, I was responsible for operating a Citrix farm for 600 users, including optimizing the user experience and ensuring high availability.
I managed and optimized the entire application landscape of a major customer, evaluated and implemented application updates, and ensured the compatibility and security of the software in use.
I managed user accounts, implemented security policies, and monitored system performance.
I administered Azure Entra ID to control identities and access rights, implemented security policies, and synchronized on-premises directories with the cloud.
I implemented and managed Microsoft Intune for central management of client devices, including the configuration and management of BitLocker for disk encryption.
I managed file servers and NTFS permissions to ensure secure and efficient data access management.
I handled change requests and last-level support tickets efficiently to solve complex system issues and improve user satisfaction.
I supported and advised the customer team on various topics and projects, identified areas for improvement, and implemented best practices.
Technologies used:
- Citrix XenApp and XenDesktop
- Microsoft Windows Server 2012R2 and 2022
- Exchange 2016 and Exchange Online
- Entra ID (Azure AD)
- Entra ID Connect
- BitLocker
- PowerShell scripting
- Microsoft Intune
- LDAP (Lightweight Directory Access Protocol)
- DNS services (Domain Name System)
- Active Directory Certificate Services (AD CS)
Arne Hendricks
Last position:
Embedded Fullstack Developer at IoT / Infrastructure Automation Sector
- Analysis of legacy codebase and identification of architectural issues, implementing improvements in coordination with the Product Owner.
- Development of clean, efficient, and fully documented code following established software engineering practices and standards.
- Analysis of Erlang components in backend and device layers to provide recommendations for ensuring stable system operation.
- Setup and optimization of CI/CD pipelines on client infrastructure, including testing, debugging, and certificate management quality assurance.
- Participation in planning, design, and implementation of epics and stories according to Product Owner specifications.
- Technical consultation for Product Owner regarding Erlang codebase management and best practices.
- Collaboration with Product Owner, Scrum Master, and development team to ensure timely delivery of features.
- Elixir & Phoenix + PostgreSQL
- Erlang
- IoT
- CI/CD
- Git
- Agile/Scrum
- Docker
- Kubernetes
- Frontend (VueJS)
- Embedded Devices
Daniel Ubani
Last position:
Senior Application Packaging & Deployment Engineer at Allevio AG (Client: Allianz Technology)
- Enterprise application packaging and deployment for Allianz's global Windows migration programs across Europe, North America, and APAC
- Migrated hundreds of enterprise applications from Windows 10 VDI to Microsoft Azure Windows 365 (Windows 11)
- Created software packages in MSI/MST, FlexApp, PSADT 3/4, and App-V according to enterprise packaging standards
- Developed an ASP.NET packaging automation platform with MongoDB, SQL Server, SharePoint, and Outlook integration
- Built PowerShell modules for automated quality checks of MSI and FlexApp packages
- Developed a release conflict detection module in PowerShell to identify potential deployment issues before production
- Created WDAC monitoring scripts for automated policy oversight and incident response
- Implemented MSGraph API calls in PowerShell for Azure AD and Intune operations
- Created Citrix oData scripts for historical usage analysis (BYOD, VDI, fat clients)
- Developed an Intune Win32 app 'Do Not Disturb' deployment routine for an optimal user experience
- First point of contact for troubleshooting production incidents with packaged applications
- Coordinated application owner, UAT, and release testing for hundreds of deployments
- Administered Microsoft Intune, Citrix environments, and SQL Server security
- Created and tested WDAC policies in Intune; managed configuration policies and Win32 app deployments
- Primary packaging resource for Allianz France since 2019
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
Alexander Zubok
Last position:
Fullstack Developer and DevOps Engineer at Freelancer
- Develop infrastructure and enhance existing infrastructure: Jenkins, GitLab Pipeline, OpenShift, Docker, Helm Chart, Kubernetes, Artifactory, CodePipeline, CodeArtifact, Python
- Document solutions in Jira/Confluence
- Support other colleagues in various technical areas
Alexander Belousov
Last position:
Consultant at Bundesdruckerei
- Windows 10, Windows 11, Windows Server 2019/2022, Active Directory, Entra ID Group Policy, Orca, PowerShell, PSAppDeployToolKit, Intune, Office 365, Azure, Winget, SandBox
- Onsite/offsite packaging and repackaging in Intune
- Silent install / uninstall
- Use of scripting (PSADT, PowerShell)
- Distribution, planning, and monitoring of packages using Intune Admin Center
- Troubleshooting
- System monitoring
- 2nd and 3rd Level Support
- Packaging process (creation and review of installation and configuration guides, test plans, User Acceptance Testing)
- Automatic client provisioning
- Quality assurance, testing of software packages
- Workplace Engineering
- Windows Client Engineering
- Management of profiles and group policies
- Working with agile methods (Scrum)
- Use of ITSM, including as a ticket system
- Sprint planning
Daniel Carton
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)
Axel Hönicke
Last position:
2nd Level Support / Rollout at BayernInvest
- General support in the area of software and hardware (Office 365, bank-specific software, migration from Windows 10 to Windows 11)
- Preparing hardware for rollout, inventory of notebooks and docking stations
- Installation and testing according to customer requirements
- Setup and teardown of prepared hardware (notebook, docking station, peripherals)
Yoav Netzer
Last position:
Freelance Software Architect at Freelance Consultant
- Various small consultations, e.g. concepts and arcitectures.
- Updating my Matlab, Linux, IPv6, Cyber-Security, C++ (up to 23) and Python skills.
Pawel Nabe
Last position:
Subject Mater Expert Linux at TCS Alliance Healthcare
- Updating/upgrading Linux servers to new versions
- Installing Trend Micro on Linux servers
- Creating, presenting and maintaining technical documents
- Refactoring tools
- Platforms: SUSE Linux Enterprise Server (SLES) 10, 11, CentOS, RedHat, Windows 10, PowerShell, Bash, Perl, Trend Micro AV, PuTTY, SSH, VMware
- Project language: English
Juri Skuratovski
Last position:
Software Development at Banking sector
- Extended an existing application with new customer requirements.
- AlmaLinux, Ubuntu; C, gcc; Oracle;
- Socket/TCP communication.
- CLion, Eclipse
- Git
Discover over 15,000 top freelancers
Statistics of experts using Win32 API
Aggregated from the professional profiles of matched freelancers.
Experience
19 years
Position duration
1.9 years
Positions per freelancer
20
Top business areas
Information Technology, Project Management, Quality Assurance
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Information Technology, Project Management, Audit
Bachelor's degree or higher
82%
Master's degree or higher
55%
Doctorate
18%
Certifications per freelancer
2
Most common languages
German, English, Russian
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 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 Win32 API
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Core API
Win32 API is the classic Windows interface for native software that talks directly to the operating system. It is used for desktop applications, services, device integration, shell work, and tools that need close control over Windows behavior. Many teams still search for Win32, Windows API, or WinAPI when they need this skill.
What experts build
- Native desktop applications with custom windows, menus, dialogs, and input handling
- Background services and startup components that run reliably on Windows
- File, process, registry, and network integrations for internal tools
- Shell extensions, automation utilities, and system management software
Strong specialists know when to use direct API calls and when to wrap them in a cleaner architecture.
Ecosystem fit
Win32 API work often sits beside C, C++, COM, GDI, GDI+, and message-based window handling. Many projects also touch Unicode, threading, synchronization, and event loops. Good professionals understand how these pieces affect responsiveness, memory use, and long-term maintenance.
When companies need help
Companies bring in freelance expertise when old Windows software needs changes, when a new native tool must fit strict OS behavior, or when a product depends on low-level integration. In Germany, this often comes up in industrial software, internal business tools, and legacy product maintenance where Windows compatibility matters.
What strong specialists do
- Diagnose message handling, crashes, leaks, and threading problems
- Keep code stable across Windows versions and different system settings
- Improve UI behavior without breaking existing workflows
- Document system dependencies and edge cases clearly
The best experts are careful with detail. They test on real Windows environments and understand how small API choices affect reliability.
Working model
Win32 API projects can often be done remotely if the scope is clear and access to test systems is available. On-site work helps when hardware, plant software, or secure internal environments are involved. For German teams, clear communication in English is often enough, but local-language coordination can help in support-heavy or mixed internal environments.
Frequently asked questions
Everything clients usually want to know about Win32 API, in one place.
Win32 API is the main native interface for building software on Windows. Companies use it for desktop applications, services, shell extensions, automation tools, and direct interaction with files, processes, windows, and the registry. It is a fit when you need low-level control rather than a higher-level framework.
Win32 API gives direct access to Windows behavior, which makes it strong for legacy support, tight system integration, and very specific UI or device needs. .NET and WPF are often faster for business apps with modern abstractions. Teams usually choose Win32 when control and compatibility matter more than convenience.
A strong Win32 API freelancer is useful when you need to fix old Windows software, add a feature to a native app, or integrate with OS components that higher-level tools do not cover well. It is also common when a product has to stay stable across different Windows environments. That is especially relevant for industrial and internal systems in Germany.
Win32 API work usually goes with C or C++, Unicode handling, threading, synchronization, COM, and debugging tools. For UI-heavy work, GDI or GDI+ knowledge helps. For system work, experience with services, installers, and Windows internals is often important.
Win32 API projects vary a lot, but they rarely work well with broad generalists who only know high-level Windows frameworks. Legacy code, message loops, and system integration need someone who has solved similar problems before. The harder the UI, service, or device interaction, the more specific experience matters.
Yes, most Win32 API tasks can be done remotely if the freelancer has access to the codebase, test machines, and the right Windows versions. On-site work becomes more useful when hardware devices, secure networks, or production desktops are involved. For Germany-based teams, remote collaboration is common if communication is precise.
A good Win32 API specialist explains trade-offs clearly and can point to shipped native Windows work, not just theory. Look for clean handling of messages, threads, memory, and error cases, plus evidence of debugging skill. Strong professionals also document assumptions and test on real Windows setups.
Win32 API is still relevant when a product needs native Windows behavior, deep OS integration, or compatibility with existing Windows infrastructure. It is not the first choice for every new app, but it remains the right tool for many desktop and system tasks. Teams often choose it when reliability and control matter most.
The average hourly rate of freelancers in Germany who have used Win32 API in their recent projects is 89 €, which corresponds to a daily rate of about 714 € based on an 8-hour working day.
Of the freelancers in Germany who have used Win32 API in their recent projects, 82% hold at least a Bachelor's degree, 55% hold at least a Master's degree, and 18% hold a doctorate.
On average, freelancers in Germany who have used Win32 API in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Germany who have used Win32 API in their recent projects are German (100%), English (100%), and Russian (23%).
The most common industries among freelancers in Germany who have used Win32 API in their recent projects are Information Technology (92%), Banking and Finance (69%), and Manufacturing (69%).
The most common business areas among freelancers in Germany who have used Win32 API in their recent projects are Information Technology (100%), Project Management (85%), and Quality Assurance (85%).
Main locations of FRATCH Experts, who have recently used Win32 API
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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Philipp Thomaschewski
FRATCH CEO
