SHAWN M LEWIS

4048 West Danby Court – Winter Springs, FL 32708

(407) 274 4940 – https://smlsr.github.io -­‐ smlsr@me.com

SUMMARY

Systems Architect and Developer seeking to continue utilizing my experience and expert skills to

advance and implement software / hardware solutions. Enjoy using innovative uses of technology

and problem solving roles to assist in the success of my employers while advancing my knowledge

and skillset.

KEY COMPETENCE

Extensive R & D experience

Solution Architecture Design

Business Scope to Technical Requirements

Expert Analysis and Debugging

RDBMS Design

NoSQL Use and Practices

Object Oriented and Code ReUse

CHIEF ARCHITECT

Tencara Technologies, Inc

Hands On Leadership

Team Building and Collaboration

Rapid Prototype to Product Completion

Mobile Development

Project Management

“Outside of the Box” thinking

Intellectual Property Advancement

PROFESSIONAL EXPERIENCE

06/15 – 06/16

Orlando, FL

Tasked to build a small team (5 people), architect and implement a split data plane/control plain

network security and IP gateway solution for one of the worlds largest online game companies.

Utilizing DPDK and “standard” Intel compute platforms capable of 10Gbps throughput with

management and configuration/control thru network based controllers.

• Assembled and Managed a team of developers and test engineers of 5 people

• Mentored and educated engineers in networking, packet processing, functional implementation of

next generation SDN Networking

• Packet Gateways built utilizing DPDK libraries using C language on Linux servers exceeding

requirement of 10Gbps to 20Gbps on standard Intel PC platform.

• Developed with engineers the Controllers, Configuration API Brokers built utilizing C# back end

with RESTFUL API’s and MariaDB and Redis Database storage with standard Web Portal utilizing

API for configuration and control

• Multi-­‐tiered platform in a N+1 configuration capable of failover and redundancy and customized

synchronization

• Completed project within 70% of time allocated/budgeted

• Incorporated high speed transaction processing utilizing ZeroMQ messaging infrastructure between

nodes and gateways

• Development cost of entire platform was equated to the cost of single vendor device in the network

handling less then 5% of the network traffic, reducing customer CAPEX by 80%

• Personally responsible for the development of Tablet Applications developed utilizing Xamarin

tools for Android and IOS for management

• Customized mobile views for charting, alerting, and reporting of network analytics and system

operation

• Implemented mobile API gateway utilizing JSON Restful API’s for data retrieval and settings for

mobile applications utilizing MONO on Linux with Servicestack library.

• Web Portal portal for management and reporting utilizing custom async Javascript libraries for data

access via JSON to back end Azure / C# API Servers (jQuery, Bootstrap, pjax)

• Azure micro services and back end data collection and reporting agents for cloud based data

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CHIEF ARCHITECT

2013 to 2015

Benu Networks, Inc

Lake Mary, FL

Recruited full-­‐time to build companies remote R&D office in Lake Mary, Fl to head the companies

next generation product development. Built a team of 35+ software engineers, quality assurance

engineers and documentation engineers. Architected and developed singular code base for next

generation product line running on both embedded Cavium 3 CPU’s and Intel processors. System

was comprised of Packet processing engines, 13 distinct network services, databases for real time

and configuration of millions of users with associated NOC, Admin and Customer facing portals.

• Hands On Development in all aspects of project (Embedded, Servers and Mobile Applications) with

Engineers

• Fostered and Mentored engineers with technical and engineering principles for high transaction

processing, packet processing, distributed system architecture in a hands on development approach

• Two product lines (1 embedded Octeon 3, 2nd Intel Processor Servers) with a single source code

base thereby having a single code base for all functions and features. C Language was utilized for

these engines.

• 13 Distinct Network services were developed providing functionality and features required by

carriers and service providers including services such as: DHCP, Routing, UPNP, Device

Detection/Fingerprinting, Radius, and more. Services were mainly designed and implemented in C

though some utilized C#.

• The packet gateways were controlled thru a tiered controller architecture, detecting new devices

coming online, “home settings”, quality of service, advanced features. These controllers were

developed in C# in a N+1 architecture.

• Designed and implemented custom controllers with a custom encrypted protocol utilizing

PROTOBUF for message formatting.

• API Broker servers were designed in C# providing RESTFUL and SOAP API’s northbound and

communications to both REDIS and MEMSQL databases for data storage.

• Communication bus between all services were achieved by utilizing Rabbit MQ messaging allowing

for near real time control and eventing.

• System was capable of millions of online devices and homes.

• 3rd Party control for services and integration was provided thru use of a RESTFUL API on the

Service Broker API gateways.

• Architected entire platform and heavily involved in the development and coding of all aspects of the

system.

• Worked directly with marketing department within Benu and Comcast (Benu primary customer)

for the design and implementation of Network (NOC) Mobile Application and Customer Mobile

Applications for IOS and Android.

• Developed and managed team of 3 for developing interactive and data driven models on Mobile

applications for monitoring and configuring services utilizing Xamarin IOS and Android.

• Training of engineers for networking stacks, protocol processing and scaling distributed systems.

• Filed new patents on behalf of company increasing the value of their intellectual property

• Developed private/public API’s for interfacing mobile and exterior applications for interfacing with

internal hardware and systems utilizing tiered API servers with cache to distributed REDIS servers.

• Developed waterfall protection of database servers using API servers as a cache front end for all

database transactions.

• Distributed BUS and Eventing and Signaling via IP backbone

• jQuery API Extension in Javascript for customized API libraries with webSockets/node.js

• HTML5/CSS Web Portals (NOC, Engineering and Customer Facing) with Responsive Designs

• Google Compute and Azure Service Fabric and Virtual Environments for distributed signaling

frameworks for networks services (DHCP, Device Fingerprinting, DLNA, UPNP and more)

• Docker and KVM implementations for distributed and virtualized environments

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CONSULTANT

2011 to 2013

Benu Networks, Inc

Concord, MA

Collaborated with CTO and VP Sales along with companies Tier 1 cable provider for a “vision” of a

next generation product offering. Utilizing existing Benu Hardware in providers network software

modifications needed to be made to remove all intelligence from product and allow for complete

and dynamic control from external servers/controllers. Goal of the new product offering was to

remove the home users router and put all functionality in the cloud/Benu hardware (SaaS) as well

ability to add new advanced services quickly without replacing hardware on customer end or

trucks rolls, etc.

• Translated business requirements to technical specifications and requirements

• Managed team of 5 existing Benu developers for the modification of the codebase on the Benu

Hardware (Cavium Octeon 2) MEG400 platform

• Designed and implemented database infrastructure for supporting configuration and analytical data

on Firebird then transitioned to Postgres.

• Implemented “control servers” in C# for the controlling of the MEG400 and interface to both

RDBMS and NOSQL databases for configuration and statistical reporting

• Implemented API gateway brokers to access and maintain database and MEG400 gateways utilizing

RESTFUL API’s with JSON and/or XML content in C#.

• Worked directly with customer executives and technical teams for live trial and deployment.

• Assisted Benu executive team with new business development for new service offerings

• Prototype Portals utilizing extensive Javascript and HTML5 for responsive configuration and

management ability.

CONSULTANT

NokNok, LLC

2009 to 2011

Orlando, FL

Tasked with architecting and implementing one of the first video streaming services for video

media to Game Devices (Playstation, Xbox), DLNA Media Players and custom Mobile applications

for Apple IOS and Android devices. Utilizing a cloud based infrastructure for media translation,

transcoding and delivery combined with social networking to share media NokNok delivered

realtime media from hundreds of online sources and myriad of formats.

• Developed industries first cloud based DLNA service offering supporting 100’s of media players

• Custom C#/Mono based servers supporting RESTFUL API using XML/JSON for controlling media

streaming, transcoding, media links

• C#/Mono based DLNA proxy servers which allowed in home Media Players Game Devices and

mobile devices to speak DLNA across wide area networks translated to internal API format.

• Transcoding of 1000’s of live streams and stored content was controlled by API servers controlling

FFMPEG libraries.

• mySql database for users, content, and statistics

• Extensive protocol debugging and masquerading required as not all implementations of DLNA

followed the specifications

• Developed mobile application for live streaming media and sharing of content for customers on IOS

utilizing Xamarin MonoTouch

• Implemented customized Xamarin libraries for messaging, controls and data storage

• Worked to implement workarounds for numerous features missing from Xamarin initial

implementation and bug fixes

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CHIEF TECHNOLOGY OFFICER/CHIEF OPERATING OFFICER

VoIP, Inc

2005 to 2008

Altamonte Springs, FL

Remaining on with VoIP Inc following the acquisition of Caerus, Inc assuming the roles of both

COO and CTO with continued responsibilities of Network Operations, Network Engineering and

overall operations of VoIP Inc nationwide footprint servicing half of the Tier 1

telecommunications providers in the US. Provided forecasting, CLEC interconnections, backhaul

operations, internal software and billing systems as well as increased network footprint and

capacity 150% while reducing OPEX 22% over 3 years thru combined contractual negotiations

and new technology internally developed with a software engineering team of myself (lead) and

11 others.

• Continued to enhance software architecture to increase capacity with additional services

• VoIP Termination platform with customized SIP stack developed in C# providing 40 calls per

second per server

• Created a new least cost routing tool which analyzed termination costs and implemented real time

routing changes saving companies termination expenses in excess of 20% utilizing MSSQL Server

with a customized C# processing engine

• Expanded network US footprint and International markets

• Interfaced with customers for customized business solutions

• Customized software x86 based SBC functionality for B2B call structure developed and

implemented within network

CHIEF EXECUTIVE OFFICER/FOUNDER

Caerus, Inc

2000 to 2005

Altamonte Springs, FL

Sole founder of technology and telecommunication’s company providing both competitive and

advanced telecommunication services to top tier carriers and service providers. Responsible for

growing company to over 140 employees, nationwide network with 13 state local

interconnections utilizing 100% percent internally developed softswitch technology. Grew sales

to over 3.4million per month with GPM exceeding 38%. Groomed company for

merger/acquisition to VoIP Inc (publically traded) in 2005 valued over $56 million dollars.

Network and services were built upon custom built SS7 and SIP VoIP gateways developed

internally.

• Initial 12 months of company built engineering and software development base to create custom

telecommunications switching platform

• VoIP termination platform built using standard Intel PC’s with customized SIP stack and routing

software with RTP mediation

• Call Detail Record Processing handling 1000’s of call per second for rating, billing and taxing

• Advanced services provided thru SS7 signaling and SIP centric functions

• Developed patent and software for “Click to Call”, later utilized by Google in their Click to Call

marketing campaigns nationwide

• All software components were developed on Microsoft C# and C++

• Extensive SIP Call Flow management for advanced call eventing and methods

• Multiple speaking engagements on network management, IP telephony and advanced

telecommunications topics

• Custom SS7 -­‐> IP stack for nationwide SS7 800 and Local CLEC interconnections

• Designed, Developed and Implemented realtime network monitoring and analysis tools

• Successfully raised 7million dollars over two rounds of financing

• Negotiated Interconnection agreements with multiple CLECs, IP peering agreements, and multiple

Tier 1 and Tier 2 Customer contracts

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CHIEF TECHNOLOGY OFFICER

1996 to 1998

XCOM Technologies, Inc / Level 3 Communications

Cambridge, MA

As co-­‐founder of company responsible for raising initial funding from two Tier 1 venture firms for

$4 million dollars, patented, developed and deployed very first softswitch technology worldwide.

Responsible for the platform architecture and development, vendor negotiations, CLEC

interconnections, network operation, forecasting with deployment into 4 states and

interconnection agreements in 12 before being acquired by Level 3 Communications in a deal

valued in excess of $200 million producing one of the highest ROI’s to date for investors in less

than 18 months. Continued on with Level 3 Communication during transition process.

• Wrote patents for VoIP and SS7 integration, Softswitch, and SS7 Bypass

• Created MEGACO protocol and worked with vendors Ascend and Shiva to implement on carrier

modem terminals

• Architected and developed first softswitch technology utilizing Sun Microsystems as the controllers

and Ascend TNT as the telecom interconnection devices

• Managed development team of 12 engineers locally

• Managed development resources overseas (small team)

• Taught telecommunications protocols to engineering team, hands on development for signaling and

state machines

• Designed and implemented both TDM and IP based networks in 5 states

• Responsible for 1st ever softswith interop testing as a CLEC in USA

• Built transition team to Level 3 Communications upon merger

• XCOM technology became Level 3 Communications VIPER Softswitch technology still used today

PATENTS

SYSTEM AND METHODS FOR PROVIDING VIRTUALIZED CLOUD PEERING EMULATION SERVICES (20160021684)

SYSTEM AND METHOD OF PROVIDING ADVANCED SERVICES IN A VIRTUAL CPE DEPLOYMENT (20150237667)

CLOUD-­‐BASED VIRTUAL LOCAL NETWORKS (20140172947)

EXTENDING MULTICAST/BROADCAST SERVICES TO WIDE AREA NETWORKS (20140136660)

VOICE OVER DATA TELECOMMUNICATIONS NETWORK ARCHITECTURE (20080025295)

VOICE OVER DATA TELECOMMUNICATIONS NETWORK ARCHITECTURE (20080025294)

VOICE OVER DATA TELECOMMUNICATIONS NETWORK ARCHITECTURE (20080013531)

System and Method for Bypassing Data From Egress Facilities (20070201515)

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TECHNOLOGY – Above Average to Expert

OPERATING SYSTEMS / PLATFORMS

• Windows (Vista, Windows 7,8 and 10, Server Versions, Mobile Devices – Phone and Tablet)

• MAC OSX

• Apple IOS

• Android

• Linux (Redhat, CentOS)

• Embedded Platforms (Microlab, Arduino, and others)

• Multiple Source Control: Team Server, GIT, SVN

• Microsoft Office Suite: Word, Excel, Powerpoint, Project

• Project Management: JIRA, Taiga, Capterra

• Extensive use of Virtual Machines and Docker (VMWare, KVM, Virtualbox, and More)

• Cloud: Azure, Google Compute (limited Amazon)

PROGRAMMING LANGUAGES

• Desktop: C# (Mono/.Net Framework), C (Embedded and Application), Python, Limited C++

• Mobile: MonoTouch and MonoDroid (Xamarin), Bootstrap, Javascript

• Web: Javascript, HTML, HTML5, Limited CSS, Bootstrap, jQuery, Limited Java

• Mobile: IOS (Objective C and Xamarin), Android (Native and Xamarin), Windows Mobile

• Formats: XML, JSON, REST, SOAP

• Extensive Knowledge in APIs , Libraries, SaaS, Service Bus and Eventing Architectures

DATABASES

• Microsoft SQL-­‐Server

• Mysql / MariaDB

• Firebird

• Postgres

• Redis

• Couchbase

• Memsql

• Memcache

• MongoDb

PROTOCOLS

• Telecommunications: SS7, ISDN/Q.931, SIP, MEGACO

• Networking: Extensive Knowledge-­‐> IP, UDP, TCP, Broadcast, Multicast, Ethernet, DiffServ

• Network Services: DHCP, ARP, DLNA, UPNP, Zeroconf, NetBios, AppleTalk, Radius

• Network Generic: HTTP, SMTP, DNS, SSL, RTP, SNMP/RMON

• Routing: BGP variants, OSPF, Static, IPv4, IPv6

• Tunneling: vXLAN, GRE, PPTP, QinQ, L2TP, IPSEC, 802.1q

• Extensive Knowledge in P2P distributed backbone implementation

HARDWARE

• Routers/Switches: Cisco, Juniper (small to large)

• Enterprise Switching: 10Gb & Lower: Netgear, Cisco, D-­‐Link

• VoIP/TDM Switching: Various SBCs, Sonus, Alcatel, Cisco Call Manager, Asterisk

• Failover: VRRP, LAG and other Software Variants

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