Firmware development for medical systems

Embedded software architecture, design and development for a multiprocessor mechatronic medical device - Developed new features for existing product hardware - Designed and implemented backward-compatible extensions to sensor and pneumatic drive systems - Design and implementation for CANBus peripheral extending an existing product - Developed new features for no-OS real-time firmware - Implemented support for new sensors and actuators - Debugged hardware and electronics using DSOs, logic analyzers and test firmware - Supported production and repair functions

Developed proof-of-concept implementation for an encrypted interface to multiple cloud-based image database systems. - Developed schema translating existing information to be compatible with third-party databases - Working directly with customer's target database vendors, implemented data schema compatible with all target databases - Developed Python implementation using a combination of new and existing open-source modules

Software engineering team leader for an ultrasound imaging system product- Lead developer and manager for a software engineering team (3 reports)- Accelerated release frequency from annual to 3 times per year- Transitioned proof-of-concept software to successful product- Developed team skills in development processes, requirements definition, reliable software design, regulatory complianceResponsible for software architecture, design and agile development for a ultrasound imaging system- Implemented robotic imaging system in Visual C# on XP embedded OS- MVC application architecture with real-time motion control and imaging components- Developed design history file in a regulated development environment- Passed multiple FDA and ISO audits with no regulatory issues- Delivered product software releases of increasing complexity with decreasing field issues- Implemented multiple product architectural changes with extensive code reuse- Robotic motion control with position fault detection and recovery- Software integration of multiple 3D coordinate systems with target planning and verification- Maintained and developed XP embedded environment for productProduct quality champion- Led verification and validation testing effort- Developed a variety of unit and verification tests, including testing to ensure application model and system physical dimensions match- Resolved long-standing thread interlock and resource exhaustion issues leading to improved uptimeSupport for internal and external audiences- End user support for physicians, nurses, medical physicists- Developed product requirements from advisory board and sales force inputs

Developed VC++ software for Niobe and Navigant products Performed system integration and verification testing at partner site in Germany

Managed project transitioning departmental networking group of 500+ computers/~1000 users to a HIPAA compliant network. Interviewed members of a variety of constituencies to determine their networking and system needs. Defined and implemented solutions for "non-standard" requirements.Developed firewall and routing configurations to secure operational network. Developed tools to track network availability and handled security incidents.Developed PHP applications to perform multi-vendor integration testing.

Developed firmware for all network interfaces in a DSL routing product. Designed and developed circuit-level device drivers, including ethernet and SONET network interfaces and I2C devices.Developed tests to evaluate physical, link and network layer performance and characteristics of router interfaces (ethernet, SONET/ATM, DS3)Performed software system integration in a multi-processor embedded system.Developed techniques to assure performance of firmware, including real-time monitoring and security testingPerformed initial firmware development and startup of new network interface cardsTeam leader of the network fault-recovery feature. Developed requirements for fault-recovery based on ANSI, ISO and de-facto standards. Responsible for feature vertical integration, testing and management reporting. Managed third-party certification testing to on-time completion.C/C++ in unix and embedded environmentsMIB development and debuggingHardware initial power on-testing, First boot testing.

Performed "contextual inquiry"-based user observation experiment tracking radiologist productivity using new workstation software. Designed Palm-based observation tracking tool. Presented results at academic conferenceDeveloped software and device drivers to support multipoint IP video streaming service. Managed network and firewall configurations supporting operational networks.

Developed software in C and C++ to support information collection and storage.Developed robust systems supporting data collection from a variety of medical image capture systems.Trained and supervised technical staff managing a multi-protocol routed WAN network based on ethernet, FDDI and ATM backbones.Trained and managed staff maintaining a variety of Unix and VMS based systemsPrepared presentations for a medical and staff audiences. Developed material to support trade show exhibits and presentations. Wrote papers for publications.

Developed image processing and transmission software for medical workstations in C under VMS and Unix OS environments.Managed computing systems running Unix, VMS and SunOS operating systems.