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Brett Schwarz


Bellevue, WA 98006, US



Principal System Engineer

AT&T (December 2017 - Present)

Principal Technical Architect

AT&T (May 2015 - December 2017)

Solutions Architect

Sentaca (May 2011 - April 2015)

Senior Test Engineer

AT&T Mobility (September 2010 - May 2011)

Senior Engineer

T-Mobile (April 2010 - September 2010)

Technical Sales Engineer

Alcatel-Lucent (July 2008 - August 2009)

Senior Network Systems Engineer

Alcatel-Lucent (October 2005 - July 2008)

Implementation Engineer

HMS Software (December 2004 - October 2005)

Senior Engineer

ATT Wireless (March 2003 - November 2004)

Lead Network Engineer

PacketVideo Corporation (May 2000 - March 2002)

Lead Systems Engineer

Motorola (September 1996 - May 2000)



Mobile Networks IT Networks




performance functional unit UAT

Software Development

C Tcl/Tk JavaScript Node.js python Java shell Git GitHub CVS SVN Bitbucket Agile

Web Services

REST OpenAPI Specification (OAS) JSON Schema HTTP/1.1 HTTP/2 SOAP WSDL GraphQL

Solution Architecture

Mobile Networks IT Networks


Linux/Unix Windows Mac TCP/IP

Web Development

HTML5 CSS JavaScript jQuery Node.js Gulp Grunt Babel Knockout.js AngularJS Bootstrap Foundation Apache Naviserver Tomcat


PostgreSQL SQLite MySQL Oracle MongoDB


Dual major in Electrical Engineering and Mathematics

University of Toledo

Study type: BS

Frontend Web Developer


Study type: Nanodegree

Sustainability Studies



Asterisk Open-Source PBX System

Linux Journal (January 2004)

Use one system to manage voice over IP and conventional phone lines, manage voice mail and run CGI-like applications for phone users.

Hacking Red Hat Kickstart

Linux Journal (March 2003)

How to create a single CD for fast and easy customized installation.


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Sayee Gurumurthy (Enterprise Architect, Visionary and Entrepreneur)

I worked with Brett for more than 5 years and is a great enthusiastic & approachable leader. His mastery on API design and documentation, has been critical in launching many successfully APIs in marketplace. Along with his API design skills, he has been leading in building tools for API creation, specification creation and development.

He is avid leaner and is curios to learning new technology and build tools to support his concepts. He is a great enthusiastic technical leader, who can take a concept from initiation to completion stage. Will be willing to work with him again as opportunity permits.

Bryon Donahue (Lead-Technical Architect at AT&T)

I worked with Brett for several years. He was a contributor to AT&T’s API platform and standards. Furthermore, we’d often consult with one another when confronted with difficult API problems.

Brett is an API expert. He’s worked on a large number of API projects that span wide variety of domains. Few people have the breadth and depth of API experience as Brett.

Beyond, his technical skills, Brett is the kind of person that people look to as a leader due to his strong oral and written communication skills and his natural ability to empathize with others. Moreover, you can count on Brett to deliver on his commitments.

Rajender Saini (Partner Engineer (Pre/Post Sales) at The Climate Corporation)

I had the pleasure of working with Brett for more than 4 years at the AT&T. As an architect and technical lead Brett's have the ability to command a room and get people on board with ideas—even people who were initially on completely different pages. As a team member or a leader, Brett earns my highest recommendation.

Tish St. Germain (Product leadership throughout lifecycle. Integrator of software & hardware development using Scaled Agile methodology.)

I’ve had the pleasure of managing Brett Schwarz for the past 3 years. Brett is passionate about good, clean, simple API Design and adherence to standards. He regularly demonstrates his mastery of technical tools and methodologies when providing recommendations to both project and tool enhancement initiatives. He is recognized as the lead subject matter expert at AT&T on the REST protocol, responsible for approving all new API designs, writing technical blogs, as well as creating training and development tools. Brett understands that technology changes fast and he works hard to keep his skillset up to date. Brett would be a significant asset to any team looking to leverage or deploy API’s in their architectural designs.

Karthic Raghavan (Principal Technical Architect at AT&T Services Inc)

I have worked with Brett for the past 7-8 years, and he has always gone above and beyond what he was asked to do. He always strives to improve products, services, and processes. He has great attention to detail and does the job the right way. He is very personable and a pleasure to work with.

I have come across many people who claim themselves to be an expert in REST API Design and Architecture but many of them are not even close to be an expert in it. But I can say with utmost confidence that BRETT is an TRUE expert in REST API Design and Architecture and a GURU in it. I have not come across anybody who is better than him in it in the industry till now. He is an pioneer in it working alongside with me as a co-lead in the North Bound REST API architecture for an REST API based gateway.

Dale Western (Systems Architect at AT&T)

It has been a pleasure working with Brett for many reasons.

He is a knowledgeable developer, very experienced in API design, documentation, construction and testing. Brett has provided consultation to numerous teams at AT&T in all these areas. Brett is very approachable, friendly and helpful. You can count on Brett to deliver on his commitments.

Brett grasps the latest trends and technologies in the field, pursuing them of his out initiative. He has shared his knowledge and taught others the best practices he has acquired.

I have thoroughly enjoyed the 5+ years I worked with Brett and would work with him again if the opportunity presented itself.

Ed Lambert (Director, New Product Development Engineering - AT&T Research Labs)

Brett worked on my team for many years, and was a key leader in pushing forward good API design. Brett has outstanding skills as both a coder and an architect that can understand business use cases, data models, and how to design highly reusable APIs. On top of that, however, Brett did incredible work on his own initiative to build tooling sets to make API creation faster and easier for other developers.

Brett is a truly outstanding senior technologist and I consider myself fortunate to have worked with him.