Redesigned and re-implemented corporate website using a modern CMS (WordPress/Divi) so principals could manage it (mostly) themselves. Provided general IT support.

Serverless Python development on back-end transaction recordkeeping system using Amazon QLDB. Hosted on AWS Lambda.

Revived Navera codebase when its assets were acquired by FJA. Responsible for back-end development and hosting of the application. (Ruby on Rails, PostgreSQL) Later, worked on an internal database design application. (Java, Spring Boot)

Helped develop and maintain backend of an employee communication and engagement app for iOS/Android/web. Transitioned to role managing infrastructure and operations, in which I had cross-functional duties in three areas: DevOps (development platforms), Hosted Operations (network and hosting infrastructure, vulnerability testing), and Customer Success (customer integrations, data, ETL). (Google Cloud Platform (GCP), Ruby on Rails, Python/Flask/PETL, PostgreSQL, Elasticsearch, Redis, JavaScript/NodeJS, Kubernetes/CodeFresh, Centos/Red Hat Linux.)

Provided software development and information technology services to a variety of small business clients. (Python, Javascript, PHP, CSS, Symfony, Plone, networking.)

Web front-end programmer on intranet web application. This was a highly interactive and AJAX-heavy LAMP app. The work involved heavy use of Javascript and CSS, PHP5, Symfony (a PHP framework), and Smarty templates. Other technologies used included Flyspray bug tracking, Subversion code repository.

Lead developer on intranet web database application, using PHP and Informix database, with an interface to Opsware (an IT automation tool and framework) using Python and the Pytwist API. This work also involved Perl and shell scripting, database design, and web UI design. (Technologies: PHP 5, Smarty templating, PDO, Informix, Python, HTML/CSS/JavaScript, Vintella/VAS/mod_auth_vas/SPNEGO, Apache, HP-UX.)

Senior engineer in a small startup company engineering team. Participated in the sales process and in managing projects, in addition to doing development.Built SMARTCorridors.com, a public-facing Automatic Traffic Monitoring System (ATMS) similar to 511.org. This work involved Java JEE5, MapServer, PHP, JavaScript, AJAX, and PostgreSQL.Implemented site redesign of FrictionTV.com, a video- and text-based debating website, working closely with client's graphic designer.Developed prototype Facebook application for FrictionTV.Other projects included: Prototype systems for traffic flow monitoring, parking guidance, and incident management; developing Java and PHP/LAMP based websites; and managing websites for clients.Work tasks included development, DevOps, and IT tasks: Decomposing projects, coordinating tasks, architecting systems, designing interfaces, designing UIs, general programming and database work, network engineering, in-house IT, setting up development infrastructure (code repositories, bug tracking, wikis), managing and deploying system builds, repairing hardware.Technologies used include: Java/J2EE/JEE/JMS, Glassfish application server, PHP/LAMP/WAMP/WIMP, AJAX, PostgreSQL, PostGIS, MySQL, JMS, XML, MapServer, ESRI Shapefiles, GeoServer, kaMap, Apache, Bugzilla, IIS, Subversion, Tomcat, Trac, SugarCRM. SuSE/RedHat Linux platforms. Facebook API.

Designed, architected and developed distributed, automated batch scheduler (similar to Autosys) to control 24x7 batch jobs for Finaplex's wealth-management application. Scheduler had extensible and open interface to allow easy addition of further jobs. Wrote several data feeds using this framework. Wrote secure data-transfer utilities. Primary language was Perl. Oracle SQL packages and stored procedures were used. Platform was Linux and Solaris.Wrote specs for additional modules to be added to the framework. Developed flexible yet powerful batch structure able to handle all existing and anticipated batch processes and feeds. Requirements included PGP/GPG encryption, archiving, directory tree layout, SAN (Storage Area Network) mappings.Developed network infrastructure to support realtime and batch-mode feeds, including firewalls, DMZ, Secure FTP (SFTP), Weblogic and Apache servers, and Sterling Connect Enterprise FTP server.

Was database software developer (DB2 UDB, stored procedures, Stored Procedure Builder tool) on retail customer web portal for large Wall Street investment bank. Ported some stored procs from Oracle PL/SQL; most were written or rewritten from scratch. Did some Java coding on Weblogic servlets which called the stored procedures. Wrote Perl batch job to perform secure nightly data feed upload. Developed to tight deadline in startup environment.

Technical lead on development of middle office portion of securities trading system at prominent investment bank. This included writing many standalone servers in C++: the Sungard Phase3 OSI Server that booked trades into Sungard Phase3 back-office system; the Omgeo OASYS Server that received allocation instructions from clients and brought them into the trading system; a prototype server to send data to a Betasys back-office accounting system via FIX (Financial Information Exchange); various minor servers and links. Set up intranet trading system support website to centralize "how-to" information.Developer in convertible bonds group. Wrote Java server to receive price feed data via TIB/Rendezvous, and post these prices to the trading system's Sybase database.Webmaster and designer on internal trade- and compliance-reporting website. Webserver was Microsoft IIS. The reports were generated as a nightly batch process driven by Perl scripts which I wrote. Report-generating tool was SQR running against Sybase.Technologies used include Sun Solaris Unix and related shell and utility tools, Sun Workshop and GNU C++, RogueWave C++ tools, Sybase Adaptive Server Enterprise dataserver, RogueWave programming tools, Perl, HTML and JavaScript, IIS and Apache webservers, Sun Java, CVS code repository, Tandem RSC communication protocol, SunGard Phase3 securities processing system (and its OSI interface), Thomson/Omgeo OASYS Order Allocation system.

Developed prototype embedded automotive monitoring system which transmits on-board diagnostic computer (OBD-II) status and fault codes to base station via cellular modem. Platform is Windows 95 subnotebook computer, Snap-On MT2500 scantool, Motorola/Ikon wireless modem. Programming included Visual C++, Visual Basic, and assembly language. Technologies included LPT port, COM port control, CDO/MAPI/Outlook. Ultimate client was California Air Resources Board, which regulates emissions in the State of California.

Was technical lead on workflow and information-management portion of Kodak's next-generation ultrasound medical imaging workstation, developed in partnership with Mayo Clinic. System tracks patients, diagnostic data, and ultrasound images throughout a hospital department. Responsible for architecture (VB/C++/SQL Server), design, and construction of this portion of the application. Supervised developers and oversaw design of RDBMS. Full-life-cycle development environment.

Developed back-end SQL to extract financial data from data warehouse. Platform was Sun Solaris Unix, Sybase database; database models in ERwin; PowerBuilder front-end.

Participated in a large project to port business application suite from mainframe to workstation platform. Built testbed database (Sybase, models in ERwin) for PowerBuilder developers. Converted large mainframe (DB/2) datasets for loading into Sybase using C and Unix shell scripts. Wrote "Datapump" application (Visual C++/MFC/ODBC) to automate the transfer process.

Responsible for architecture, upkeep, and design of securities pricing Sybase databases ("ticker plant") and applications (Unix/C) interfacing them to MV's trade data server (Sun/Unix platform). Developed trade data feed handlers.

Managed Advanced Services Group ("SWAT Team") of Sybase Professional Services in the Manhattan office. This group handled critical-need/short-term assignments, mostly involving database optimization and performance troubleshooting, as well as some long-term assignments involving business process reengineering, database architecture and design. Taught API programming courses. Led instructor training on new CT-Lib Open Client product.Professional Services assignments included:PEPSICO, 10X business-process reengineering project: Led the Database Design Team, including responsibility for: resolving database issues between reengineering subgroups ("Labs"), database architecture and design, database tuning, change control and version migration. Performance-tuned mobile computer (NCR) database design (Gupta). Managed Database Performance Team. Trained PowerBuilder developers in proper use of SQL Server. AT&T MICROELECTRONICS: Provided performance review of manufacturing system. Reviewed and resolved use of Unix signals with CT-Lib programs. Wrote Open Server programs. Developed hot-backup methodology. CREDIT LYONNAIS: Advised on expansion of existing databases and migration to new VAX and Alpha hardware and use of additional network protocols. GEN RE, Corporate Database Group: Authored "Sybase Standards and Procedures" manual. Included methodology and tuning guidelines. METPATH, Corporate Repository System: Provided CT-Lib programming and performance tuning. Repaired database, correcting errors left by bugs in previous versions of the application. NEW YORK STOCK EXCHANGE, Regulatory & Compliance Group: Postmortem problem-determination on major server crash. Worked with client and Sybase Engineering to resolve the problems and provide corrective support. Redesigned backup/recovery strategy.SAKS FIFTH AVENUE Managed consultants in completion of Open Server-based data integration server, part of sales reporting application.

Developed consultant tracking application (MS-Windows, Sybase). Administered PC group's Sun Sybase server. Developed TEFRA tax liability reporting application (Clipper). Reimplemented profit/loss reporting system from mainframe (DB2) onto PC (Gupta SQLBase). Trained coworkers in MS-Windows programming. Beta tester of OS/2.

Developed audit planning tool (C, Jayac JAM on PC). Prototyped a GUI front-end for it under OS/2 Presentation Manager. Wrote NetBIOS communications application. Evaluated Gupta SQLBase as a development platform.

In support of factory's ISO 9000 certification, reengineered SPC (statistical process control) application (on HP 85B computer) for real-time statistical monitoring of size variations in stamped-steel parts production on factory floor. Interfaced measurement tools such as Mitutoyo digital gauges directly to software.

Designed and constructed prototype parallel-processing computer hardware (68020, VME bus). Developed software linking slave PCs to Sun using TCP socket libraries (FTP Software PC/TCP). Wrote hardware drivers to permit PCs to control MIDI devices, TARGA image display boards, laser video disk, and to gather input from a variety of user input devices (joysticks, etc.). Edited/produced VHS videos of ongoing research for presentations.

Developed sales-support, inventory, and customer order tracking system (dBASE Plus). Installed network (Office Systems LAN) to allow multi-user access.

Developed multi-user management information, manufacturing inventory and order tracking system. Installed and administered corporate LAN.Tech: dBase Plus, Novell NetWare, Token Ring.

Wrote embedded controller software for office building Heating-Ventilation-Air Conditioning (HVAC), utility power management, and fire alarm control systems.Tech: CP/M, Z-80 Assembly, Microsoft BASIC.

Customized manufacturing resource planning (MRP) application by directly editing the machine code (Z-80 Assembly Language).

Learned IBM DPPX COBOL while helping a staff programmer debug his IBM minicomputer applications.