Authored the book MySQL Crash Course. No Starch Press. ISBN 9781718503007.Authored the book Essential Postgres: Database Development using PostgreSQL ISBN 9798687854184.

Created and modified Postgres tables, views, indexes, triggers, and SQL scripts using PL/pgSQL.Created and maintained webpages using PHP, PhpStorm (WebStorm), JavaScript, jQuery, and the Google Maps JavaScript API.Created and modified scripts written in Python and Bash.Developed a Python tool to send direct messages over the ICE Instant Messaging RESTful API.Created cloud-based development database clones based on AWS production backups. Used EDB and eApps consoles.

Created Oracle tables, indexes, packages, functions, procedures, and queries.Queried across Oracle, SQL Server, and DB2 tables and fed Oracle APEX database.Developed websites using Oracle Application Express (APEX), PL/SQL, JavaScript and JQuery.

Created and modified Oracle PL/SQL procedures, functions, triggers, tables, and views.Internationalized and localized Zipcar's website using Oracle, Tcl, OpenACS, Linux, Git, and Bash.Externalized hardcoded strings into locale-specific message catalog files and loaded by locale.Conducted code reviews using Fisheye and Crucible online tools. Approved JIRA tickets.Led daily scrums and agile retrospectives. Implemented changes suggested by the team.

Created Oracle PL/SQL procedures, tables, synonyms, indices, constraints, triggers, sequences, users, roles, and granted access.Created Oracle database schemas and led design reviews with the database team.Developed Web-based applications using Java, JSP, HTML, Struts, Eclipse, Tomcat, and WebLogic.Served as Co-Facilitator of an Agile team. Facilitated daily team standup meetings and attended cross-team management meetings. Assigned bugs to Developers. Planned upcoming work for the team.Trained and coached in the Agile methodology. Attended ScrumMaster training.

Created and modified Oracle tables, indices, sequences, functions, triggers, constraints, and PL/SQL stored procedures.Developed Oracle programs using PL/SQL and SQL*Loader.Created and modified Sybase scripts using Transact-SQL and BCP.Developed and maintained Web-based global mutual funds supermarket using Java, Servlets, JSP, EJB, HTML, and JavaScript.Recipient of BBH's MVP Award, first quarter 2003.

Developed Sybase SQL Server scripts, stored procedures and triggers using Transact-SQL.Created Sybase servers, data and log devices, databases, logins, users, tables, indices, views, and thresholds. Restored databases from tape and monitored the Sybase error log.

Developed Sybase SQL Server scripts, stored procedures and triggers using Transact-SQL.Developed Oracle scripts, PL/SQL stored procedures and triggers.Responsible for reports. Coded using SQR and lead two Consultants.Wrote Bourne shell scripts.Received five "Service Star"​ awards for "Excellent Customer Service".