Special projects examples - listing solutions going beyond the usual software development:

-- interface Java to C/C++ code with face recognition library - Trueface AI now acquired by Pangiam (https://docs.trueface.ai/trueface-sdk)
-- simulators of IoT devices such as location signal readers/sensors
-- validation of geometric data - intersecting polygons
-- computer-aided manufacturing - personalizing and configuring consumer components - using SVG printing
-- Marine GPS (NMEA) simulator with TCP interface using ExpressJS/NodeJS
-- troubleshooting and solving nondeterministic behavior
-- troubleshooting JVMs using visual VM and JMX
-- time correlation protocol for multi-user online game
-- adapting DB schema to be user-configurable via JSON columns
-- distributed, self-updating app configuration - based on Java zookeeper
-- structuring Java projects for multi-tenancy using Spring Framework
-- adapting logging to distributed systems using ELK
-- dynamic logging configuration in Java
-- logging HTTP payloads to database
-- monitoring and metrics collection for distributed app
-- diagnostics of TCP connections based on TCP protocol traffic

older 1990s tech - some for adapting to low-bandwidth connections:
-- solving the colormap conflict between Windows and X Windows
-- graphics driver using remote protocols - X Windows
-- formalized remote graphics protocol for low-bandwidth
-- custom layered remote access protocol 
-- first SSH server for Windows NT 3.x in 1998

architecture/design:
-- Python/Django based rapid CMS system
-- hybrid database schema using JSON-valued columns
-- logging based on message queues using either Apache MQ or Redis