• Architected, designed, implemented, integrated, and debugged a variety of system software blocks, communication protocols, device drivers, HAL and video processing software for Polycom’s (Android/ARM based Snapdragon 855) video communication endpoints.

• Responsible for infrastructure software development. Developed large scale audit solution to complement SecureSphere security platform. Solution is Linux based and utilizes systemd, microservices and big data components. Also provided kernel and application support for SecureSphere security gateway product.• Developed proof of concept solutions for the proxying of TCP/IP packets from SecureSphere security gateway to database servers (Oracle, Microsoft SQL Server); SSL proxying of Diffie-Hellman algorithm

• Responsible for Nimboxx software products stability, performance, and manageability. Developed solutions for Nimboxx specific requirements in the Linux operating environment and eliminated performance and stability issues.• Investigated emerging technologies. Worked with KVM, Qemu, Sheepdog (distributed storage) at the application and system levels; effort included the porting and integration of newer versions of open source packages.• Researched, architected, and implemented new product features on Nimboxx Verde management console; applications included Grails based Apache Tomcat applications. Enhanced Nimboxx Verde development process and build environment; introduced docker into development environment.

• Lead software development organization and drove delivery of all products while contributing to the product strategy and the overall product roadmap.• Set the technical direction for the team, defined and drove the evolution of the systems architecture, and made appropriate technology choices.• Took a hands-on approach to the entire software development lifecycle: developed project and resource plans/schedules; performed day-to-day project management to ensure successful, on-time releases; assisted the product development and manufacturing teams in accomplishing all tasks.• Defined optimized processes for requirements definitions, design efforts, coding, code management, prototyping, and testing of Omni product.• Contributed to the development of system firmware/software components for the Omni product.

• Architected, designed, implemented, integrated, and debugged a variety of system software blocks, device drivers, communication protocols, and video processing software for Polycom’s video communication endpoints.• Technical lead/Android Evangelist in the design, development, and implementation of an ARM-based (OMAP3) touch panel device (Polycom Touch Control) running Android platform.• Architected platform services/interfaces for Android applications (call control, calendaring, and directory services) as well as developed Android platform software including Linux device drivers.• Involved in the definition of system/platform and application software architecture for video communication endpoints (ARM based multi-core SOC)• Involved in identifying, presenting, evaluating, and the integration of new standards and technologies in endpoint products as well into the software development process.• Provided guidance, mentorship, and technical leadership to other members of the technical staff and engineering community.• Created design specifications and participated in software design and implementation activities. These activities included working with other project leads and team members to develop final products• Development projects included Linux kernel, inter-processor (both homogeneous and heterogeneous) communication frameworks, device drivers, networking protocol stacks, video routing layers, multimedia frameworks, video codecs, image processing, firmware, Android platform and application software, and other system platform software.• Worked closely with hardware engineering teams in the specification, design, verification, review, and bring up of hardware elements.• Designed and developed a variety of Linux device drivers for a variety of hardware elements.• Ported Linux kernel to support new architectures (ARM-based OMAP3, DM816x, and PPC) in endpoint products

• Architected diagnostic runtime environment and development strategies for the diagnostic engineering group• Designed and developed power-up and runtime diagnostics for a variety of hardware elements, including a PCMCIA controller (CL-PD6729), and T1 framer (DS2152)• Developed device drivers for T1/T3 framers and ATM (PM73121) layer devices. All hardware modules used Motorola's PowerPC processors (860/8260), the runtime environment was VxWorks

• Designed and developed firmware/BIOS for Compaq’s line of Alpha workstations• Developed embedded software, device drivers, and networking protocol stacks used to configure hardware and to bootstrap operating systems (OpenVMS, UNIX, Linux, and Windows NT)• Designed and implemented power-up/stand-alone diagnostics (including the diagnostic environment/framework) to verify CPU, cache, memory, and I/O subsystems

• Developed Windows kernel mode device drivers and system level software for ISDN PRI/BRI hardware modules• Used Trillium and Telenetworks ISDN stacks• Designed and developed TAPI telephone service providers (TSPI) for a number of USB-based products • Developed diagnostic software for a series of audio and video modules used on PictureTel’s desktop products (i80186/TMS320C31 based)

• Designed and developed firmware for Digital’s Alpha workstations (ISA, PCI, PCMCIA hardware configuration and Unix/Windows-NT operating system bootstrap)• Designed and developed firmware and diagnostics for Digital’s fault tolerant systems (VAX and Alpha)• Created and implemented the firmware methodologies used by the firmware group• Engaged with customers to help optimize runtime diagnostics

• Designed and developed diagnostic software for a SPARC based workstation (Solbourne 4/2600, a SUN-4 compatible machine)• Assisted in development of diagnostic charter, diagnostic tools as well as diagnostic environments• Implemented single processor and multiprocessor power-up and stand-alone diagnostics covering the SPARC processor board, floating-point unit, graphic and I/O subsystems

• Designed and developed diagnostic software for Digital’s low-end systems (including disk controller firmware, diagnostics, and utilities for Micro-PDP11 and MicroVAX systems)• Responsible for project/team lead of a number of software engineers working on diagnostic development projects and for starting Digital’s firmware/diagnostic engineering group for DEC Caribbean operations