Freelancer profile translated to English.
Back to original languageAbout Samuel
I transform your technical challenges into **robust and optimized solutions**.
Senior software architect,INSA graduate, 20 years of experience**, I design **mission-critical applicationsandAPIsfor industry, robotics, data processing, and complex systems.
Dual expertise:C++(20 years) for performance,Python(10 years) for flexibility and development speed. (Mixed developments possible)
💡MY EXPERTISE
▪️ARCHITECTURE & DEVELOPMENT- Design and development ofcross-platform Qt/PySide/PyQtdesktop applications (Linux/Windows/macOS),high-performance APIs and data processing/analysis.
▪️PERFORMANCE - Python/C++ Binding, multithreading, profiling, bottleneck resolution, massive data processing, real-time communication
▪️AUTOMATION- Scripts and pipelines that eliminate manual processes: data processing, API integration (external services, LLM), system synchronization, report generation
▪️SUPPORT - Software architecture, project breakdown, planning, requirements engineering, software integration, refactoring, migrations, upgrades, and modernization (DevOps, Git, CI/CD)
📊NOTABLE EXPERIENCE
→ VisionNerf: 3D vision applications and industrial robot guidance (ABB, KUKA, Fanuc) for the automotive industry
→ Sercel: Software architecture for distributed seismic system (+1M sensors)
→ Thales: DO-178B certified critical avionics software and cryptographic software (defense)
🎯I AM RIGHT FOR YOUR PROJECT IF...
You need a senior architect capable of designing, optimizing, and industrializing **robust software systems in C++ and/or Python**.
⏰ Immediately available
💼 Flexible on duration and terms depending on the project
📍 Paris/France/Europe: Remote work with occasional travel possible
📍 Nantes/Cholet/Pays de la Loire: Flexible hybrid model.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- IndépendantIndependent C++/Python Software ArchitectSOFTWARE PUBLISHINGAugust 2023 - November 2025 (2 years and 3 months)France
- Design and development of cross-platform desktop applications (Qt/PySide6, Windows/Linux/Mac)
- Massive data processing and analysis: SQL, DuckDB, SQLite, Pandas, NumPy, real-time visualization (PyQtGraph)
- High-performance architecture with C++/Python binding for critical modules
- Development of modern and responsive user interfaces
- Full autonomy in project management
Skills: Python · C++ · Qt · PySide6 · Pandas · NumPy · SQL · DuckDB · SQLite · PyQtGraph · C++/Python Binding · LLM API · Cross-platform Development · JSON · Data & Finance - Visio NerfSenior Software Developer & ArchitectAUTOMOBILEAugust 2018 - August 2023 (5 years)Cholet, FranceExpert C++/Qt/Linux - Industrial 3D VisionDevelopment and stabilization of 3D Vision sensors for industrial robotic guidance (ABB, KUKA, FANUC) in the automotive and metallurgy sectors.MAJOR ACHIEVEMENTS
- Development of Qt Desktop application for sensor configuration
- Resolution of critical instabilities that saved the product line: 90% reduction in customer returns
- Creation of custom Linux Yocto build (SoC/FPGA) for new product
- Development of high-performance embedded systems tools and desktop support tools
- Administration and standardization of a client Linux environment (Ubuntu): secure update and diagnostic tools
MODERNIZATION & CI/CD- Catalyst for process modernization: initiated and adopted Git, Jenkins, CI/CD
- Led SVN → Git migration during project
- Implemented continuous integration for automated testing
REFERENCE TECHNICAL EXPERTISE- Software architecture and system evolution
- Robotic communication protocols (TCP/IP, ABB, KUKA, FANUC)
- Complex client technical support (Linux, network, robotics, 3D vision)
- Development of internal and external production tools
**Skills**: C++ · QT · Python · Linux · Software Architecture · Git · Desktop Dev · Embedded SoC/FPGA System · Debian/Ubuntu/Yocto · Performance Optimization · Multithreading · Network (TCP/IP) · 3D Vision · Industrial Robotics · Instrumentation · Sensors · 3D Acquisition (point cloud)· DevOps (CI/CD) - SercelC++ Embedded Developer & Architect - 508 XT SystemENERGY AND UTILITIESJuly 2010 - August 2018 (8 years and 1 month)Nantes, FranceArchitecture and development ofC++/Pythonfor the Sercel 508XT system: a massively distributed seismic acquisition system (+1 million sensors) for 3D subsurface imaging in oil exploration.Carquefou (near Nantes) | R&D Consultant Scalian/Eurogiciel (6 months) then permanent contract (8 years)REAL-TIME ARCHITECTURE & DEVELOPMENT
- Software module architecture for massively connected sensor network (+100K nodes)
- Design of a fault-tolerant clock synchronization system at the nanosecond level (multi-source, regulation on signal loss): <100ns precision critical for timestamping and 3D data integrity
- Development of high-performance real-time C++ libraries (embedded Linux, VxWorks, uC/OS-III)
- Implementation of high-precision C/C++ drivers and firmware for hardware modules (SoC, ASIC)
NETWORK & PROTOCOLS EXPERTISE- Custom high-robustness network protocols: low-level expertise (PHY/MAC/IP/Transport)
- Time distribution protocols (NTP, PTP/IEEE1588, GPS)
- Ultra-precise synchronization over massive distributed network
VALIDATION- Led complete low-level validation of strategic ASIC design, including "metal mask" optimization campaigns
- Development of C++/Python/Bash test automation tools for validation and R&D
- Python validation (Jenkins) for software and C/C++ validation for dedicated ASIC creation
REFERENCE TECHNICAL EXPERTISETechnical expert in system architecture, real-time synchronization, proprietary network protocols, ASIC validation**Key Skills**: Software Architecture · C++ · Python · Real-time · Embedded Linux · VxWorks · uC/OS-III · SoC/ASIC · Network Protocols · Nanosecond Synchronization · NTP/PTP/IEEE1588 · STM32 · ASIC Validation · CI/CD Jenkins · Multithreading · Instrumentation · Sensors · 3D Acquisition
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Education
- Engineering Degree, Electronics - Computer ScienceINSA Rennes - National Institute of Applied Sciences2005Diplôme d'ingénieur, Électronique - Informatique
- University Diploma in Technology (DUT) in Electrical Engineering and Industrial Computing (GEII)University of Rennes 22022Génie électrique et Informatique Industrielle