Technical co-founder and seed investor of Talentral, which produced two products: Talentral profiles (http://talentral.com) and ZippyApp (http://zippyapp.com), a common job application and hiring platform for hourly workers (food & beverage, hospitality, movies & entertainment, retail industries, etc).Wore multiple hats: full-stack software development, devops, product, business development, and customer support. Wrote all core services deployed in multi-AZ AWS, assembled and mentored a team of software engineers, and trained my replacement. Helped land, close, and onboard several of our early customers, including our first 20+ location customer, a McDonald's franchisee.Helped Talentral raise $1M from angels at end of 2014 and participated in technical due diligence throughout fundraising process.ZippyApp is currently the job application provider for many recognized nationwide restaurant brands including Panera Bread, The Counter, Five Guys, Cream, McDonald's, The Counter, Chick-fil-A, Applebee's, Jamba Juice, and more.

- 10x-ing 10x engineers- Solving the hardest problems in logistics using Computer Science- Building reusable solutions across the entire Carriers engineering org- Holding bi-weekly office hours to guide and assist other engineers- Improving the robustness, stability, and scalability of high volume shipping integrations with UPS, FedEx, and more

As senior engineering manager, I built from scratch 4 teams with 20+ software engineers remotely distributed across the United States across 4 time zones (PT, MT, CT, ET).Teams Managed:Carrier NetworkBuilds and maintains integrations with carriers and postal services around the world. Experts at rapid development and go-to-market with carriers in international, emerging, and regional markets.Carrier OperationsBuilds tools to streamline, automate, and abstract away the complex behind-the-scenes work to keep shipping and logistics running smoothly so that teams across the company can have pretty dashboards to look at and press buttons to keep the world moving.Customer EscalationsDomain experts at business logic for carriers, postal services, and shipping and logistics. Breadth-first team that touches multiple areas including i18n/l10n/g11n (international weights and measures); carrier compliance issues and cross-border and international customs; accurate and correct tracking.Developer ExperienceBuilding a first-class Developer Experience encompassing client libraries in 7 languages: Python, Golang, Ruby, C#, Java, PHP, JavaScript (NodeJS); API documentation; developer community engagement.As of July 2022, I've successfully spun out two of the teams I built and incubated into two fully-independent teams with their own manager. I hired and trained externally a software engineering manager to take over day-to-day management of the Customer Escalations Engineering team, and spun out the Developer Experience team as a standalone team under the Consumer Experience Org.As of August 2022, the Carrier Operations team spun out as an independent team with a software lead.

Iterable is pushing the envelope in a new category, full-stack growth marketing.We're building robust, high-performance, and scalable messaging systems to help the world's largest and most recognized brands connect and engage with their users. Iterable customers can run reliable A/B experiments and send personalized messages to their customers.We're a tight-knit band of talented and passionate hackers across all disciplines. If you thrive in an environment filled with motivated individuals and share our excitement for shipping software that affects millions on a daily basis, check out positions we're hiring for: https://iterable.com/careers/

Founded a boutique software consulting firm specializing in high-performance, high-scalability, massive web architecture, and web and mobile application development.

Chegg is a company with multiple verticals and products catering to the college student audience. The Core Experience team was responsible for overseeing the integration of all the products (online tutoring, textbook sales & rentals, internship match, ebooks, marketing sites, etc) into a unified experience across the site through managing universal headers, authentication and user information storage.- Designed, architected, and led a cross-functional team (backend, frontend, design) to build a brand-new product, Chegg's online university-branded bookstores and worked closely with bookstore team at partner university.- Part of cross-team engineering architecture task-force to identify areas of improvement in code-base, architecture, and engineering culture- Worked closely with recruiting and engineering leaders across the company to review and establish standardized engineering interview process standards and guidelines- Planned, organized, and emceed company-wide global hackathon with participation across US, India, Ukraine.- Screened and interviewed dozens of full-time and summer intern candidates- Mentored a summer intern. Out of 30+ interns in the summer, he was the only one who got to contribute significant code to a production product--the online bookstore.

Lead engineer on 6 person team build “Oh Snap!”, a mobile drawing game on iOS and Android- Worked closely with Product and C-level to turn concepts into reality- Designed and implemented a high performant, low-latency, horizontally scaled system to support tens of thousands of concurrent users in a turn-based game- Implemented robust features like matchmaking, player state; designed a data interchange format to allow for recording and replaying of user drawings by individual pen strokes, rendered properly across different devices and screen sizes.- Promoted growth and virality via in-game rewards and social media sharing- "Oh Snap!" reached #7 on the iOS word game charts, right below Zynga's Scramble with Friends

Just quit my wonderful, wonderful job at Yahoo! to pursue an exciting opportunity of building a company with two other budding entrepreneurs who are also fellow Cal Alumni.We're doing something in the area of Web, P2P, hyper-local, and working with all the greatest open-source technologies: Ruby on Rails, YUI, Linux, and more.

Here at Yahoo! Fantasy Sports, we rock it. It's great to be able to work on a product that faces so many users worldwide (more than any other product I've ever worked with), and because of it deal with some pretty incredible engineering problems (any engineer will tell you that problems that can be easily solved on a small scale require a totally different solution at large scale).Highlights2011Unified Fantasy Game – Play Fantasy Sports using Yahoo! Backend on Facebook's frontend toextend reach. Working with another engineer from Citizen Sports, training him, resolvingblockers. Launched end of June 2011, starting with Football (all other sports will essentially getfor free)· Linux + Colo Migration – Upgrade Fantasy's technology stack to run on 64-bit RHEL 5.4 from32-bit FreeBSD 6 in tandem with migration to Buffalo, NY colocation facility. Long term projectthat required a lot of coordination and detail, as well as rebuilding and rewriting packagedependencies in code owned by several other teams.· Set up continuous integration system in Jenkins CI for Linux builds and streamline newdeveloper onboarding process with “snapshot” installs.· YINTL EOL – Phase out Fantasy sports of legacy YINTL libraries as part of modernization; hugerefactoring effort and communicating with peers on new APIs.· Became a Local Paranoid for Sports on a 20-80 time. Ramped up on security knowledge in ashort time, and became the security consultant for the Sports Engineering team of ~70engineers. Conduct security design and code reviews for all new products, enforce patching ofvulnerable software via process and monitoring, rapidly respond to security threats andpotential compromises (XSS, SQLi, CRLFi, Clickjacking, etc).· Yahoo! Summer Hack Day – worked with team to produce in 24 hours a feature-for-featurecopycat of Google Authenticator 2-step authentication and Android App, discovering andpublishing a security vulnerability in Google's implementation in the process

· Lead team meetings composed of 11 personnel (programmers and non-technical)· Create and maintain code libraries with SVN – PHP, Perl, MySql, JavaScript· Secure HTTPS authentication and cookies· Develop web applications for use with member portal on a Linux platform (LAMP): calendar,reservation system, event registration/confirmation, directory, forums, photo album· Create automated RSS feeds for user generated content· MySQL programming and administration – Routine database backup; create schemas· Server administration with cPanel and WebHost Manager; package install and upgrades· Bug tracking, administration, and task assignment using Mantis· Email administration and spam filtering with Mailman and SpamAssassin· Oversee development of Ruby on Rails driven beta site

Python, Zope. Backend software engineer for application development team.

· Develop e-commerce website with over $500 million in sales annually· Create streamlined shopping experience on ATG/Dynamo platform across multiple domains(Quicken, TurboTax, QuickBooks, et. al.) using templates, fragments, and user profiling· Develop custom applications for user testing· Write Unix shell scripts to automate CVS repository update, merge, deploy, and verify

· Work successfully in start-up environment to meet daily, weekly, and long term deadlines· Work closely with product managers in short product life cycle iterations· Write robust code to improve efficiency of content generation of 16M records over 500%using parallel processing· Write standards-compliant XHTML pages inter-operable with AJAX using JavaScript, HTMLDOM, and Tidy· Write custom crawlers and information extractors, building an inverted index to improvesearch algorithms· Data mining and post-processing using Wget and Perl· Create an internal reporting application: Performs voluminous Apache/access log analysis formaps syndication using C++ for high-performance and Perl for report generation· Port proprietary research and development utilities to be platform independent via JNI· Knowledge Database Setups: Win2k3 Servers/IIS/SQL Server· Develop new intelligent temporal data coalescing/conversion to natural language in C#

· Revise and improve course material· Rapidly self-teach many languages and complete coursework in advance· Engage with students in one-on-one and in group tutoring sessions· Grade assignments, hold review sessions· Teach Unix, Data Structures, Scheme, C, C++, Java· Beta-test a new Python course

· Write and revise technical and functional specifications· Create a universal Windows logging engine DLL used by MOM report aggregators· Design and implement policies for managing Active Directory accounts and users using LDAP· Provide enhanced monitoring and reporting features for Microsoft Operations Manager 2005· Create a self-service password reset tool integrated into the Windows GINA module, affectingcompany-wide security policy· Write SQL/ASP.NET-based reporting applications for Microsoft Server Management Systems

This company later got acquired by Sony/Ericcson, I heard.· Install operating systems, software; re-imaging workstations· Troubleshoot physical network and hardware setups

A retail store of mainly specialized computer software that wanted to bring its inventory online.· Develop e-commerce website with Perl/CGI solution· Pre-treat product catalog with Unix command-line tools (awk, sed, tail, grep, etc) to sanitize data for importing into SQL Database· Wrote Perl scripts empowering dynamic experiences like user visitor counters, comments, product Q&A

Back when this company had fewer than 10 employees and known as VA Research (Vera-Augustin Research, named after the founders James Vera and Larry Augustin)Build high-performance rack-mountable workstations from parts and loaded Linux operating system