Freelancer profile translated to English.
Back to original languageAbout Dr. Vladimir
Senior Software Engineer with a PhD in Applied Mathematics and over 20 years of experience in C++, Embedded Linux, and High-Performance Computing. Specialized in bridging complex mathematics (FEM, Signal Processing) with robust system implementation. Advanced expertise in Algo-Trading systems and native mobile integration (Flutter/C++). Proven track record in R&D for industrial hardware, simulation software, and secure connectivity solutions.
German
Native or bilingual
English
Fluent
Russian
Native or bilingual
Ukrainian
Native or bilingual
Can work on-site
Berlin (up to 50km)
Experience
- S-PRO AGOpenVPN3 Plugin Development for Flutter (Mobile Security)SOFTWARE PUBLISHINGDecember 2025 - March 2026 (3 months)Zürich, Switzerland
- **Challenge**: Integration of the native OpenVPN3 C++ core library into a cross-platform Flutter app for iOS and Android.
- **Solution**: Development of native wrappers (JNI for Android, Objective-C++ for iOS) to connect the C++ core to Dart. Implementation of asynchronous event handling.
- **Result**: Delivery of a production-ready Flutter plugin enabling secure VPN connections on both mobile platforms.
- **Tech Stack**: C++, Dart, Flutter, Java (JNI), Android Studio/Xcode, OpenVPN, CMake, GitLab.
- DHI WASY GmbH (5 %)Maintainer & Release Manager (Simulation Software)SOFTWARE PUBLISHINGJanuary 2023 - June 2026 (3 years and 5 months)Berlin, Germany
- **Challenge**: Ensuring operational continuity, maintenance, and customer-specific adaptation of highly specialized hydraulic engineering simulation and control models (GRMSteu / SikoSimo) over a multi-year lifecycle.
- **Solution**: Cost-effective upgrade and migration of the historically grown legacy codebase to current compiler and IDE versions. Modernization of the build toolchain and ensuring system compatibility.
- **Result**: Reliable delivery of annual software releases. Successful extension of the product lifecycle and safeguarding of customer operational capability without expensive reprogramming.
- Vallon GmbHEmbedded Linux Architect (Industrial Sensor Technology)MECHANICAL ENGINEERINGJanuary 2020 - November 2025 (5 years and 10 months)Eningen, Germany
- **Challenge**: Further development of firmware for the latest generation of mobile detection systems with iMX6/iMX8 processors and touchscreens.
- **Solution**: Use of Qt and OpenGL for graphical, acoustic, and haptic detection display and configuration.
- **Result**: Intuitively and logically operable Qt GUI that functions with buttons and touch.
- **Tech Stack**: Embedded Linux, C/C++, Qt/QML, OpenGL, I2C, SPI, RS232/UART, IMU, GPS, Redmine.
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Education
- PhD (Dr. rer. nat.)BTU2006Dissertation: Generative Software-Entwicklung zur numerischen Strömungssimulation
- Diplom MathematicianBTU2000Diplomarbeit: Programmierung eines Molekulardynamik-Simulators auf der Grundlage eines Vielteilchenmodells