Field Consultant Resume Charlotte, NC - Hire IT People

SUMMARY:

Creative, results driven technology professional with over 18 years of proven software design and development experience in building distributed, low latency, multi - process/multi-threaded systems on various platforms.
Expert in - C, C++ and Java
Extensive network programming experience - TCP, UDP, Multicast, HTTP, WebSockets
Extensive low latency experience with Java, C and C++ on Linux achieved via
In-depth understanding of NUMA, Lock free techniques
Sophisticated memory management techniques -
Using tcmalloc/jemalloc as well as custom allocation techniques in C and C++
Off-heap techniques in Java
Shared memory/ memory mapped techniques in both Java and C++
Have varying levels of expertise in/exposure to Scala, C#, Python
Familiar with Databases (Oracle & SQL Server), data modelling techniques and NoSQL (Cassandra)

PROFESSIONAL EXPERIENCE:

Confidential, Charlotte, NC

Field Consultant

Responsibilities:

Worked on porting a client’s PL/SQL and Java based application over to Confidential .
In addition to other areas was primary for migrating a legacy rule engine written in PL/SQL (500K loc) over to DML

Confidential, Charlotte, NC

Vice President

Responsibilities:

Integral part of the core team that built the libraries / frameworks for a new cross-asset trading platform.
The framework was a mix of C++ and Java with significant inter-operability via JNI
Designed and built an inter-thread and inter-process messaging library in C++ (with Java wrappers) that supported latencies as low as 40 nanoseconds between threads and 200 nanoseconds between process on the same box
Designed and implemented a reliable multicast transport to disseminate market data
Helped design and implement a code generation framework for C++ and Java that allowed façade objects in Java to manipulate off-heap memory
Helped design and implement a transport agnostic messaging library and implemented the first few transports - solace, TCP, and reliable multicast

Technologies used - C++, Java

Confidential, Princeton, NJ

Lead Architect

Responsibilities:

Worked with various stake holders to spec out and design the backend systems as well as client APIs to consume these services
Worked closely with multiple development teams implementing various portions
Designed and implemented an ultra-low latency TCP and multicast based message queue and implemented in C/C++. Also -
Exposed to java by via JNI
Exposed to python by implementing as a module
Evaluated Intel DPDK and SolarFlare’s ApplicationOnload to bypass the kernel with a user mode TCP stack for the feed handler layer. Integrated with CPU isolation techniques to assure <200 micro second throughput in core feed handlers
Worked closely with various teams to integrate Python based analytical services with the rest of the backend
Built client side APIs in Java and C++ to access these services over TCP, WebSockets or Kaazing
Designed a distributed logging system with Cassandra and integrated with Logstash
Working closely with network/ ops teams, hosting data centers, network providers to provision production (primary and DR) and other environments

Technologies used - C++, Java, Python

Confidential, NYC, NY

Senior Developer

Responsibilities:

Started work on adapting CEF (Chromium Embedded Framework) to build a HTML5 based frontend that integrated with the flagship Eikon product, while allowing rendering of hosted applications.

Technologies used - C++

Confidential, NYC, NY

Senior Developer

Responsibilities:

Worked on Confidential - a broker neutral, low latency trading system supporting a variety of destinations and helped expose the Confidential trading system via a programmable API
Conceptualized, designed and developed an Excel based trading system to consume the new Confidential API
Developed new RTD servers to expose Confidential data in near real time to Excel and also wrapped them in UDFs written in C using the Excel C API.

Technologies used - C++

Confidential, Phoenix, AZ

Consultant

Responsibilities:

Portedthe Darwin Streaming server to Windows and Linux and added features like dynamic bit rate adaptation as well as HTTP streaming for RTP incapable devices
Wrote a distributed media encoder to encode live streams into multiple bitrates in real time leveraging GPUs

Technologies used - C++, Java