Ben Christenson Email & Phone Number

Scottsdale, Az, Us

Phoenix, Arizona, Us

- Develop embedded software for electric vehicle infotainment and instrument cluster.- Worked in multiple areas including services, audio, kernel, drivers, end-of-line testing, automatedregression testing, hardware bring up, device drivers, kernel configuration, BLE, BroadcomEthernet, diagnostics, documentation and defining processes and procedures.- Crystal, C/C++, Python, Linux, ARM, Gnu tools, GIT/Gitlab, Jira, Agile, Confluence, Yocto

Jiading, Shanghai, Cn

* Develop embedded firmware in C for electric vehicle ECUs* Define and deploy processes to satisfy ISO26262 requirements, MISRA process, rules and enforcement, Static Analysis, Full Jenkins pipeline, Define and enforce coding standards, Unit testing and code coverage, Code reviews* C99, MISRA, ISO26262, Jenkins, Linux, Git, GitLab, Parasoft C++ test, CPPUnit, GreenHills tools, Docker, FreeRTOS/SafeRTOS, Matlab/Simulink, Autosar, CAN, LIN, JIRA, AGILE Development, Confluence* Infineon TriCore/Aurix 3xx and NXP MPC 5xxx uControllers

Palo Alto, Ca, Us

* Participate in all areas of the software development life-cycle. (Requirements, Feature planning, Specifications, Reviews, Development, Testing, Release, Maintenance) * Work across diverse groups to deliver products, share information, assist others efforts.* User interface design and development, graphics, and work-flows for graphical control panel.* Developed Web UI features for Laser Jet printers and test equipment.* Automated Python test frameworks and test scripts for web, control panels and network protocols.* Wi-Fi/802.11 – Bring up new wireless card, integrate new driver drops, debug issues, create automated test framework. (Wireshark, Curl, Python, Automated verification of IE fields)* Volunteered as a developer for a bootstrap test group creating robots and pushing automated testing out to other groups and areas of the company.* Security Lead: Address vulnerabilities, specify and develop security related features, performance analysis, specify and drive validation effort for team of test engineers. (OpenSSL, SSLScan, Cipher selection, TLS1.3)* Other experience: PyUnit, BLE, USB, Cross platform development, .NET, C#, Visual Studio, Embedded, C/C++, HTML, CSS, Javascript, jQuery, Linux, Bash, Git, Python, Coverity, GCC, GVIM, Makefiles, Greenhills, debugging tools, ThreadX RTOS,

Residential and commercial real estate photography.

Photographed residential and commercial real estate for sale and developed and updated real estate websites.

Bellevue, Washington, Us

- Embedded C firmware for multiple projects.(large animal detection system, power usage meter, water shutoff detection system)- M2M TDMA 900Mhz radio communications (FreeWave M2M radios)- Cellular Modem communications (Telnet, SMS)- TI Code Composer Studio v5, ARM (TI LM3S3748)- Microchip MPLABX, PIC18F46xx- Cypress PsoC Designer, CY8C27xxx- TortoiseSVN, Doxygen, GVIM

Houston, Texas, Us

- Developed Web UI features for Laser Jet printers.- Embedded C for back-end web service functions.- Developed automated test scripts in python to test printer feature sets.- HTML, CSS, Javascript, jQuery, C, C++, Linux, Bash, SVN, Git, Python, GVIM

Forchheim, De

* Developed features for automated test application in C# for ultrasound system.* Wrote Windows XP based graphical test tool in Visual Studio C++ to drive a motorized arm and severalactuators on a scanning medical device for HALT testing and to support manufacturing tests.* Integrated LabJack data logger, added low level diagnostics and logging capabilities.* Used Windows driver kit(WinDDK), Win32, MFC, Visual studio 2008 .NET

Norwalk, Ct, Us

* Performed HW bring up and validation of new hardware with NXP LPC2468 ARM7 uController.* Developed bootloader for machine control systems with extended command line capabilities. (R/W memory, tests) * Driver development - Ethernet(MII), SPI, I2C, CAN, TCP/IP, Flash/Ram configuration, RS232/UART* Flash firmware update routines including windows based utility to package firmware image for download.* Integration of uIP TCP/IP stack.* Tools used: Subversion/SVN, Tortoise, GCC, Eclipse, Lauterbach JTAG debugger, Scope, Logic Analyzer, Protocol analyzer, JIRA issue tracking, Lint and MISRA

Us

* Developed a serial protocol language and embedded interpreter, including command line user interface with debugger capabilities. ( Architect and Technical Lead )* Develop real-time firmware in C and assembly for industrial control and automation products( Data acquisition, monitoring, hardware configuration, startup code/diagnostics ).* Used GNU tools for interpreter feasibility. ( Make, GCC, GDB, Lex, Yacc, GVIM, Fedora )* Participated in all phases of product development( marketing research, product definition, SW specification, scheduling, design, development, release and maintenance )* Developed device drivers, serial protocols, factory test code, command line monitor/debugger for use by developers and test department.* Wrote project deployment tool in python.

San Jose, California, Us

* Lead engineer responsible for all aspects of embedded Linux including deployment, training, problem resolution * Built complete Linux implementation on PPC405 platform: u-boot boot loader, 2.4.x kernel, root file system, device drivers( CAN – SJA1000 ), flash Programming - BDI2000* Administer firmware groups Linux development systems: specified, ordered, installed OS and configured servers* Used Object Oriented Design and development methods, UML, and C++ in Rational Rose (Generated code) to design and code tape library robotics subsystem* Selected to take over coding of at risk embedded code base for cornerstone product: corrected, improved and delivered the code base on time* Used MKS and Source Safe for source control and problem tracking* Used GNU tools including GCC, GDB, GVIM and Make to create multithreaded Linux based programs (Multithreading)* Provided extensive support with trouble shooting, guiding and mentoring firmware group members

Houston, Texas, Us

* Managed and completed large multi-threaded real-time distributed application used for controlling power and cooling of complex computer system* Designed, coded and tested next generation C++/C/Tcl/TK application targeted to Solaris and Linux which was used for controlling power and cooling of large computer system( All code from lower level real-time control code to workstation GUI )* Built embedded Linux distribution used on numerous embedded boards* Designed and coded embedded Linux application for remote network enabled board, TCP/IP communications.* Extensive use of Unix and Linux including administration and scripts in Perl, Tcl/Tk, and common Unix/Linux shells and cvs* Set-up, configured and integrated various web enabled devices including remote data acquisition and control boards* Developed device drivers including GPIB and VME

* Worked as part of a team to deliver a trip computer for high end motor coaches.* Created real time software in C and assembly targeting an 8051 microcontroller* Created custom video and J1708 vehicle networking hardware drivers* Provided design verification and debugging assistance to hardware engineer* Provided maintenance and repair support for specialized manufacturing equipment