Unknown Freelancer - Software Developer

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Bremen, Germany

Experience

Sep 2024 - May 2025

9 months

Software Developer

Freelancer

Test controller unit
Implement test environment
Implement virtual nodes
Set up CANopen network
Create and automate test cases
Design and implement LSS automaton
Implement data exchange between tools
Port requirements to XML format for vTestStudio
Products: CANoe, vTestStudio, Playwright, Cypress, Robot .NET
Skills: CAPL, C++, CANopen, concept creation, Python, JavaScript, XML, C#

Dec 2023 - Aug 2024

9 months

Software Developer

Freelancer

Preprocess and store sensor values
Program physical quantity display and configuration
Implement data transmission to Profinet bus and AWS Cloud
Conduct penetration and security tests for IoT layer
Products: Raspberry Pi, Visual Studio Code
Skills: C/C++, Profinet, GDB Debugger, AWS Cloud

Jul 2022 - Nov 2023

1 year 5 months

Developer

Freelancer

Design HIL setup
Integrate combined heat and power plant controller as device under test
Perform black-box test over CAN channels
Perform software functional test in a software/hardware setup
Select and evaluate tools
Commission system with real master and virtual slaves
Build user interface for monitoring and control
Program operating scenarios
Control web user interface of vTestStudio/CANoe
Import requirements into vTestStudio (XML format)
Automate tests with test cases for various scenarios
Products: CANoe, vTestStudio, MATLAB/Simulink, Speedgoat, Playwright, Cypress, Robot .NET
Skills: C++, Python, JavaScript, XML, C#

Apr 2022 - Jun 2022

3 months

Evaluator/Tester

Evaluate MIL/SIL test environment
Commission toolchain and supplier SUT
Prepare integrated product test
Review, adjust and verify test configuration
Review Simulink and TargetLink chain
Perform MIL/SIL test comparison and scaling and draw conclusions
Check code coverage and add test cases
Reference: toolchain documentation and practical test
Products: headlights
Skills: MATLAB/Simulink, TargetLink, TPT

Feb 2022 - Jul 2022

6 months

Requester

Qualify system requirements for software
Break down by features
Conduct regular reviews
Formulate requirements clearly and unambiguously in English
Products: BMS
Skills: MS Office

Jan 2022 - Apr 2022

4 months

Software Developer

Migration from Infineon Aurix 2xx to 3xx generation
ADC driver development
Implement new functions instead of obsolete ones
Testing on evaluation board and with debugger
Consider customer and Infineon standards
Agile collaboration with driver developers
Reference: Infineon documentation and 2xx source code
Products: motor control, ECU, Lauterbach debugger, Tasking compiler, CMake
Skills: C, Batch, Git, SVN, RDP, Citrix

Sep 2021 - Dec 2021

4 months

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Design and implement a lab cabinet for infotainment devices
Plan the placement of all devices with proper spacing and ventilation
Design cable routing with automotive wiring harness
Design a panel with interfaces and switches
Provide mounting for displays and enable audio playback
Verify and document cable routing
Products: MS Office, Panel Designer, AutoCAD

Nov 2020 - Aug 2021

10 months

Software Developer

Sennheiser

Design and develop a Bluetooth certification framework
SIG Bluetooth certification
Automate Profile Tuning Suite using a Python framework
Automate dialog with the SIG API
Implement report and log output
Integrate Qualcomm debugger for headset control
Implement Azure DevOps integration
Create concept and documentation
Products: Python, Git, Azure DevOps, Visual Studio, PyCharm, Qualcomm SIG library
Skills: Scrum, DevOps, Bluetooth

Jul 2020 - Oct 2020

4 months

Tester

Nordex

Design model-based HIL tests
Perform debugging of test results
Create sequence diagrams
Store test specifications in Jira
Apply library components during sequences
Conduct tests on HIL controller and wind turbine simulation
Evaluate results and share with developers/authors
Goal: Ensure high test coverage before release
Products: EXAM, Atlassian JIRA, Winmod

Aug 2019 - Jun 2020

11 months

Project Manager

Magna

Lead testing for navigation cameras and platform migration
Coordinate with internal customers
Create reports at release and interim stages
Test organization: resource planning, external contracting, phase allocation, result monitoring
Defect management: review results, assign root causes, bugfix testing
Review management: initiate and participate in reviews, check completeness and process compliance
Process management: monitor compliance and train, develop and optimize processes
Platform management: transfer documents to new platform, check intermediate steps, establish new procedures
Tool management: ensure availability, implement improvements, contract external companies
Products: PTC Integrity, MS Project, LabVIEW, AutomationDesk, ECU and camera systems
Skills: task, resource and process management, testing camera systems

Jan 2019 - Jul 2019

7 months

Software Developer

Rotzler

PLC programming for crane winches: develop display and control with CoDeSys ST & KOP
Validation on the test bench
Function adjustment according to requirements
Evaluate and develop virtual test environment
Use CANopen with SDO/PDO communication
Apply hardware vendor library with Python
Run individual tests with automated test case input and result output
Products: CANoe, CoDeSys, Peak PCAN Adapter
Skills: PLC, J1939, CANopen, C/C++, CoDeSys, Python

Jun 2018 - Dec 2018

7 months

SW Developer

Kleinknecht

Design and development of a rest bus simulation and documentation module for a gearbox test bench
Generic approach and increased maintainability
Module integration and test bench data evaluation
Design and implementation of a report module with GUI layout
Compilation of measurement data with degrees of freedom
Word output based on templates
Products: LabVIEW, CANoe, SVN

Oct 2017 - May 2018

8 months

Project Manager

Embeddeers / Marquardt

Development and test management in the AUTOSAR safety project for a battery management system (3 ECUs)
Requirement and status communication with customers and suppliers
Create project plan and presentations
Task assignment and guidance, handle sub-tasks
Tool administration and usage
Support BMC control unit (application, basic software, RTE, flash bootloader)
Products: Simulink, TargetLink, C, Redmine, SVN, DaVinci, AUTOSAR, CANoe, Lauterbach debugger, Dimensions, SharePoint, Green Hills compiler, Enterprise Architect, MicroSAR, CandelaStudio, vFlash
Skills: Power electronics

Jan 2017 - Sep 2017

9 months

Developer

Varroc-Lighting

Design and development of an adaptive high-beam demonstrator
Demonstrator setup with MicroAutobox
Architecture in UML
Introduction of prototyping
Set up requirements and constraints
Headlight control with CANoe rest bus simulation
MicroAutobox commissioning
Algorithm design in Simulink/S-Function
Demonstration with headlight, MicroAutobox and PC
Camera and headlight simulation
CAPL programming and DBC editing
CAN/LIN control
Port LabVIEW logic to Simulink
Camera data processing
Products: MicroAutobox, ControlDesk, Simulink/MATLAB, CANoe, MobilEye, CAPL
Skills: S-Function, DBC, CAN, LIN, CANCase, LabVIEW, RTC

Jan 2017 - Aug 2017

8 months

Developer

LuK / Schäffler

Development and implementation of a code coverage concept for control unit
Code coverage integration into the build process
Target code instrumentation
Set up the CTC tool and adjust INI files
Build with modified Makefile
A2L file adjustment for XCP evaluation
HIL measurement and post-processing of measurement data
Coverage report highlighting weaknesses
Application to various compiler environments and integration into company process
Conduct training
Products: CTC, MKS, INCA, MATLAB, Tricore/Tasking compiler, C, XCP, A2L, HIL
Skills: GNU Make, Perl

Jul 2016 - Dec 2016

6 months

Functional Developer

LuK / Schäffler

Development of observers and tests for FOC control
Jerk control extension
Test tool evaluation
MIL/SIL testing of field-oriented PMSM motor control
Observer design with wheel speed estimation
Developer tests with drivetrain model and standardization
Tool evaluation for function and coverage testing
Requirements and design document creation via reverse engineering
Methods: Luenberger/PI/UI/Optimal observers, Kalman filter, MIL/SIL testing, state controllers, field-oriented, PMSM, asynchronous motor, optimal, LQR
Tools: MATLAB, Stateflow, dSpace TargetLink, Data Dictionary, Simulink Validation & Verification/Test, TPT, PTC Integrity

Jan 2016 - May 2016

5 months

Software Developer and Tester

Rotzler

PLC programming for crane control: develop operation and display with CoDeSys
Set up monitoring and diagnostic functions
Validate crane winch control with joystick and touchscreen
Implement customer requirements
Products: CoDeSys, Prosyd, CANExplorer
Skills: PLC, J1939, CANopen, C/C++, CoDeSys

Aug 2015 - Dec 2015

5 months

Developer

Sick

Concept and development of a light barrier demonstrator
Driver development for various demonstrators
Implement menu navigation with button control
Develop menu modules
Evaluate a graphics tool
STM Cortex ARM processor, C, SPI, IAR IDE, demo board, OLED graphics driver
Configure Jenkins server: adjust scripts for automated QAC checks, generalize batch files, adjust QAC scripts
Tools: QAC, Jenkins, QAW, command line

Jul 2015 - Dec 2015

6 months

Developer

ASM

Development of a synchronous motor pre-control with position specification for a pick-and-place machine
Build and expand trace functionality for real-time data acquisition
Real-time checking and optimization
Generate motion profiles and adjust scripts
Extend structure for additional motor control
Tools: C, Eclipse, MATLAB/Simulink, CACCIA, oscilloscope, logic analyzer, ClearCase
Skills: control engineering, field-oriented control, PWM drive, power electronics

Dec 2014 - Jul 2015

8 months

Developer

Bombardier

Specification creation for e-bus control unit, model-based
Specification review and continuation
Draft test specifications based on requirements
Process implementation: test specification template, model linking, test report
Tool evaluation: report generator, TpT configuration
Extend design specification with implementation models
Analysis and simulation of problem scenarios
Tools: MATLAB/Simulink, FuSi, report generator, DOORS, TpT, CANoe, Office

Sep 2012 - May 2014

1 year 9 months

Evaluator

Webasto

Evaluate the IBM tool suite and introduce the platform
Analyze the tool landscape and check consistency with the V-model
Evaluate test tools for model and C code import
Set up a model-based test environment
Ensure linking and coverage of design and requirements
Develop test hardware integration via API
Give presentations and training
Evaluate system engineering tools: requirements implementation, UML architecture
Run simulations and hand over to software design
Evaluate software design tools: model-based, simulation, integration with external tools, C code in UML
Perform reverse engineering for documentation and analysis
Generate code using a framework
Tools: IBM Rhapsody, Test-Conductor, RTC, Design Manager, Rational Gateway, RQM, C/C++, Eclipse, Cygwin, CANoe, PVCS, Doors, QAC, SAP, oscilloscope, Doxygen, TPT, iSystem, CANape, MXAM, MATLAB/Simulink

May 2011 - Aug 2012

1 year 4 months

Developer

BMW

Model-based development of safety functions with test drives
Implement functional and safety requirements in the model
Perform MIL simulation and testing
Run acceptance tests on HiL and vehicle
Coordinate projects and consult suppliers
Contribute to requirement definition and new processes
Tools: MATLAB/Simulink/Stateflow, INCA, C, MS Office, Visio, HiL, Doors, SVN, FuSi, ISO26262, Ascent, dSpace, Micronova, ControlDesk, LabVIEW, ECU-Test, TpT, ADD, Tessy, oscilloscope

Dec 2009 - Apr 2011

1 year 5 months

Developer

Magna

Develop simulation environment for engine block airbag log data analysis
Conduct module and integration tests of production software
Adapt the simulation environment to new test criteria and products
Optimize user interfaces
Extend API documentation interfaces
Set up and configure the software test environment
Create, run, and document test specifications
Provide training and presentations
Evaluate test tools
Tools: MATLAB/Simulink, Tessy, C/C++, Enterprise Architect, MKS, Polyspace, Visual Basic

Apr 2007 - Nov 2009

2 years 8 months

Developer

ZF

Develop an all-wheel-drive vehicle demonstrator and transmission control with test drives
Develop functions for AWD prototypes
Adapt the model to demo vehicles
Commission on workbench and demo vehicles
Evaluate tool chains to merge development and production paths
Tools: MATLAB/Simulink, ControlDesk, dSpace Autobox, CANalyzer/CANape, Real-Time Workshop, INCA, MS Office, Intecrio, ETAS ES910, TargetLink, Embedded Coder, ClearCase

Feb 2006 - Mar 2007

1 year 2 months

Tester

Audi

Automate and design model-based tests for vehicle AWD tests
Test software of the Quatrosport torque control module
Integrate hand-written code into the model-based test environment
Create and run test specs in MIL/SIL/PIL
Evaluate tools and validate processes
Tools: MATLAB/Simulink, C/C++, TargetLink, Exact Extessy, Tricore 1766 evaluation board, MKS, WinWord, Polyspace

May 2004 - Jan 2006

1 year 9 months

System Lead

Siemens VDO

Management of demonstrator integration and presentation in the energy management vehicle system
Technical management, component integration and customer presentations
Design of tools and working conditions for the team
Basic implementation with interfaces, bus integration and GUI
Component integration via agreed interfaces
Commissioning and measurement data evaluation
Customer coordination and presentations
Tool training
Tools: MATLAB/Simulink, Real-Time Workshop, Python, ControlDesk, Stateflow, C/C++, dSpace MicroAutobox, CANoe

Jan 2004 - Apr 2004

4 months

Developer

BMW

Development of a driver assistance demonstrator for accelerator pedal assistance with test drives
Model-based development for intelligent accelerator pedal control
Model enhancement for pressure-reactive accelerator pedal integration
Simulation and commissioning in the vehicle
Tool training
Tools: MATLAB/Simulink, Stateflow, C/C++, dSpace Autobox, ControlDesk, Real-Time Workshop

Sep 2003 - Apr 2004

8 months

Developer

Siemens VDO

Development of a car-body framework library for test automation
Generic module development for rest-bus simulation
Tool control via Windows API
Tools: TestStand, ActiveX, CANoe, LabVIEW, C/C++, JavaScript, Visual Basic, CAN, LIN, KWP2000

Apr 2003 - Aug 2003

5 months

Tester

Siemens VDO

Design of car-body test specifications
Creation of documentation based on module and system requirements
Tools: MS Office

Aug 2000 - Mar 2003

2 years 8 months

Developer

GKR / Bosch

Development of climate control and participation in testing
Software module development and developer testing with emulators
Specify and conduct system tests
Qualify and test hardware components
Participate in summer testing
Tools: C, Hitex Emulator, Motorola 68H08, SAE1587 bus, oscilloscope, logic analyzer

Mar 1999 - Dec 1999

10 months

Developer

Model and simulate adaptive control of asynchronous motors
Set up observers without speed feedback
Build identifiers for time-varying variables
Develop user interface, run simulations and evaluate results
Extend the model path with subsequent testing
Tools: MATLAB/Simulink, MS Office

Jul 1993 - Feb 1999

5 years 8 months

Various Projects

In the field of control engineering, plant construction, process engineering, image processing, automation, low-level programming, databases, digital electronics, and communications technology