Denis Collis Email & Phone Number

Greater San Diego Area

Embedded IoT software design and implementation for low-power, unattended, secure EMV contact and contactless payment terminals. ARM Cortex M3/M4, Eclipse-based development framework, MSP430 with IAR development framework, C/C++, Gnu Toolchain, OpenOCD/JTAG, etc. Management of EMV level 1 & 2, Mastercard, Visa, Amex and Discover approval processes.Design and implementation of production tools and processes. C# Visual Studio. Payment application and communications infrastructure for online transactions. Firmware, data, and device security and encryption.

Cape Town Area, South Africa

• Bespoke applications development• Web application development• Operational and business systems integration.• Customization and development of open source systems• Software product development• Application UX (user experience) analysis and implementation• Unified communications and enterprise mobility

Johannesburg Area, South Africa

• Implementation of Energy Performance Modeling and Analysis Systems• Development of Smart Grid (smart-metering & demand response) Web Application for load balancing and energy arbitrage.• Development of system for Data Gathering and Integral Assessment to Inform Land Development, Architectural and Services Design.• Development of online Energy, Water and Waste Product and Services Sourcebook.• Development of Geocentric Waste Re-Purposing Web Application• Embedded Software Design and Implementation for Smart Metering Devices.

Led MEDlogix product development project, requiring architecture integration and software engineering, for integrated PACS (Picture Archiving and Communication System) and RIS (Radiology Information System), incorporating managed workflows and worklists, and management of clinical, reporting and billing functions.

Johannesburg Area, South Africa

1991–1997 Led software support division for Intrinsic technology, who sold and supported numeric computing and visualization solutions in engineering, manufacturing and research:• Pre-sales & post-sales support• Product evaluation, training and adoption• Solutions and integration arhitect• Technical application support and integration, including: - Cellphone Network Radio Planning - 3D CAD, surface & solids modeling (with CNC) - Finite Elements Analysis - Computational Fluid Dynamics - Electronic Circuit Routing - Molecular Modeling - Process Control / SCADA• Development & integration of middleware, ancillary and utility software• Infrastructure support - sizing, storage, database, high availability, configuration, integration and commissioning.. 1997–1998 Led Product Development of LightningBIRD™, the world's first desktop workstation hosted, real-time, non-compressed, broadcast quality, non-linear video editing platform.1999–2001 Division director for distribution and support of SGI (Silicon Graphics Inc) - numerical computing and visualization products - in Sub-Saharan Africa.

Johannesburg And Cape Town, South Africa

• On-site customer support of Unix Workstations and Servers• Customer Training• Development of device low-level drivers• Development of middle-ware and utilities• Pre-sales support

Msc, Enterprise Architecture

Bsc, Mathematical Sciences