Unknown Freelancer - Software Developer

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Bremen, Germany

Experience

Sep 2024 - May 2025

9 months

Software Developer

Freelancer

Test controller control unit
Implement test environment
Implement virtual nodes
Commission CANopen network
Create and automate test cases
Design and implement LSS automation tool
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 display and configuration of physical quantities
Implement data transfer to Profinet bus and AWS Cloud
Conduct penetration and security tests for the 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 CHP control unit as device under test
Perform black-box testing over the CAN channels
Perform software function tests in SW/HW setup
Select and evaluate tools
Commission system with real master and virtual slaves
Build user interface for display and control
Program operating scenarios
Interface with the web user interface of vTestStudio/CANoe
Import requirements into vTestStudio (XML format)
Automate tests with test cases for different 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
Set up toolchain and supplier SUT
Prepare integrated product test
Review, adjust, and verify test configuration
Check 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: headlamps
Skills: MATLAB/Simulink, TargetLink, TPT

Feb 2022 - Jul 2022

6 months

Requirements Engineer

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 an evaluation board and with a 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 build laboratory cabinet for infotainment devices
Plan the placement of all devices with proper spacing and adequate ventilation
Design cable routing with automotive wiring harness
Create a front panel with interfaces and switches
Allow mounting of displays and audio playback
Verify and document cable routing
Products: MS Office, Panel Designer, AutoCAD

Nov 2020 - Aug 2021

10 months

Software Developer

Sennheiser

Design and development of a Bluetooth certification framework
SIG Bluetooth certification
Automate Profile Tuning Suite with a Python framework
Automate dialog with the SIG API
Implement report and log output
Integrate Qualcomm debugger for headset control
Implement integration with Azure DevOps
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 modules in the sequence
Execute tests on the 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 for releases and interim results
Test organization: resource planning, external contracting, phase distribution, result monitoring
Defect management: result verification, root cause assignment, bugfix testing
Review management: initiate and participate in reviews, check completeness and process compliance
Process management: monitor process compliance, provide training, develop and optimize processes
Platform management: transfer documents to new platform, control intermediate steps, establish new procedures
Tool management: ensure availability, implement improvements, contract external companies
Products: PTC Integrity, MS Project, LabVIEW, AutomationDesk, ECU and camera system
Skills: task, resource and process management, testing camera systems

Jan 2019 - Jul 2019

7 months

Software Developer

Rotzler

PLC programming for crane winch: develop display and control with CoDeSys ST & LD
Validation on the test bench
Adjust functionality according to requirements
Evaluate and develop a virtual test environment
Use CANopen with SDO/PDO communication
Use hardware vendor library with Python
Perform 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

Software Developer

Kleinknecht

Design and development of a rest-bus simulation and documentation module for a transmission test bench
Generic approach and improved maintainability
Module integration and test bench measurement evaluation
Design and implementation of a report module with GUI layout
Compile measurement data with adjustable parameters
Generate Word output based on templates
Products: LabVIEW, CANoe, SVN

Oct 2017 - May 2018

8 months

Project Manager

Embeddeers / Marquardt

Development and test management in an AUTOSAR Safety project for a battery management system (3 ECUs)
Requirements and status communication with customers and suppliers
Create project plan and presentations
Assign tasks and provide guidance, take on subtasks
Tool management and handling
Support BMC control unit (application, base 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
Set up demonstrator with MicroAutobox
Architecture in UML
Introduce prototyping
Define requirements and constraints
Headlamp control with CANoe rest-bus simulation
Commission MicroAutobox
Algorithm design in Simulink/S-Function
Demonstration with headlamp, MicroAutobox, and PC
Camera and headlamp simulation
CAPL programming and DBC editing
CAN/LIN control
Convert LabVIEW logic to Simulink
Process camera data
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

Develop and implement a code coverage concept for a control unit
Integrate code coverage into the build process
Target code instrumentation
Deploy CTC tool and adjust INI files
Build with modified makefile
Adjust A2L file for XCP evaluation
HIL measurement and test data post-processing
Coverage report with gap identification
Apply to different compiler environments and integrate into the 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

Function 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 testing with powertrain model and standardization
Tool evaluation for function and coverage testing
Preparation of requirements and design documents by reverse engineering
Methods: Luenberger/PI/UI/optimal observers, Kalman filter, MIL/SIL testing, state controller, field-oriented, PMSM, asynchronous motor, optimal control, 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

Design and development of an optical barrier demonstrator
Driver development for various demonstrators
Implement menu navigation with button control
Develop menu modules
Evaluate graphics tool
STM Cortex ARM processor, C, SPI, IAR IDE, demo board, OLED graphics driver
Configure Jenkins server: script adjustments for automated QAC checks, generic batch file, QAC script tweaks
Tools: QAC, Jenkins, QAW, Command-Line

Jul 2015 - Dec 2015

6 months

Developer

ASM

Development of synchronous motor feedforward control with position setpoint for assembly machine
Build and extend trace functionality for real-time data capture
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

Create specifications for e-bus control unit, model-based
Review and continue specifications
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
Analyze and simulate problem scenarios
Tools: MATLAB/Simulink, FuSi, report generator, DOORS, TpT, CANoe, Office

Sep 2012 - May 2014

1 year 9 months

Evaluator

Webasto

Evaluating the IBM tool suite and introducing the platform
Analyzing the tool landscape and checking consistency with the V-model
Evaluating test tools for model and C code import
Setting up a model-based test environment
Ensuring linking and coverage of design and requirements
Developing test hardware integration via API
Conducting presentations and training
Evaluating system engineering tools: requirements implementation, UML architecture
Simulation and handoff to software design
Evaluating software design tools: model-based, simulation, integration with external tools, C code in UML
Reverse engineering for documentation and analysis
Code generation via 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
Implementing functional and safety requirements in the model
Performing MIL simulation and tests
Acceptance testing on HiL and vehicle
Project coordination and supplier communication
Contributing to requirement definition and new process structures
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

Developing a simulation environment for engine block airbag log data analysis
Module and integration testing of production software
Adapting the simulation environment to new test criteria and products
Optimizing user interfaces
Extending API documentation interfaces
Setting up and configuring the software test environment
Creating, executing, and documenting test specifications
Conducting training and presentations
Evaluating test tools
Tools: MATLAB/Simulink, Tessy, C/C++, Enterprise Architect, MKS, Polyspace, Visual Basic

Apr 2007 - Nov 2009

2 years 8 months

Developer

ZF

Developing an all-wheel-drive vehicle demonstrator and transmission control with test drives
Developing all-wheel-drive prototype functions
Adapting models for demo vehicles
Commissioning on workbench and demo vehicles
Evaluating toolchains to unify pre-series and series development 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

Automating and designing model-based tests for all-wheel-drive vehicle tests
Software testing of the Quatrosport torque control module
Integrating hand-written code into the model-based test environment
Creating and executing test specifications in MIL/SIL/PIL
Evaluating tools and validating processes
Tools: MATLAB/Simulink, C/C++, TargetLink, Exact Extessy, Tricore 1766 evaluation board, MKS, Word, Polyspace

May 2004 - Jan 2006

1 year 9 months

System Lead

Siemens VDO

Leading the demonstrator integration and presentation in the vehicle energy management system
Technical leadership, component integration, and customer presentations
Designing tools and framework conditions for the team
Basic implementation with interfaces, bus integration, and GUI
Integrating components via agreed interfaces
Commissioning and measurement data analysis
Communication with customers 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

Developing a driving assistance demonstrator for accelerator pedal assistance with test drives
Model-based development for intelligent accelerator pedal control
Extending the model for pressure-responsive 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

Developing a car body framework library for test automation
Developing generic modules for residual bus simulation
Controlling tools 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

Designing car body test specifications
Creating documentation based on module and system requirements
Tools: MS Office

Aug 2000 - Mar 2003

2 years 8 months

Developer

GKR / Bosch

Developing a climate control system and taking part in trials
Developing software modules and performing developer tests with emulators
Specifying and carrying out system tests
Qualifying and testing hardware components
Participating in summer trials
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
Design observer without speed feedback
Build identifier for time-varying quantities
Develop user interface, run simulation and evaluation
Extend plant model with subsequent testing
Tools: MATLAB/Simulink, MS Office

Jul 1993 - Feb 1999

5 years 8 months

Various projects

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