- Designing version 2.0 of Postgres database- Constructing Jupyter notebooks to find trends in player and team statistics- Developed "grading" algorithm to evaluate a wide variety of wagers and parlays- Developed VBA tool to convert Excel "database" model into SQL DDL and insert statements

• Developed algorithm for importing customer’s menu data into SessionM’s catalog format.• Performed comprehensive internal review of Bounteous sales/HR/IT systems;developed revised internal architecture based upon internal review.• Worked with customers to develop customer tracking and rewards systems using SessionM, mParticle, and Segment.

• Devised algorithm for merging restaurant lists from multiple sources.• Developed data various models and implemented them in MySQL using Sequelize ORM.• Worked with customers and representatives to clarify and finalize feature requests.• Implemented Content-Security-Policy, HSTS, and other security-related headers using Helmet.• Developed and edited numerous documents for on-boarding new developers.

- Reviewing security aspects of new architecture proposals.- Developing sample apps and debugging/reporting tools for internal SSO system in Node.js and Python 3.- Using Splunk to find access irregularities and other security issues in Linux and Windows servers.- Compared password managers from various PAM vendors.- Developed record-matching algorithm for merging user databases.

• Developed “Setup App” for Raspberry Pi allowing customers to manage network options.• Extended existing C# application with numerous new API endpoints.• Converted logging implementation from ElasticSearch to CloudWatch. • Wrote numerous Cypher queries for existing AgensGraph graph database.• Developed unit conversion API for use with building automation controllers and sensors.• Developed new SES email templates.

• Working with remote team to develop new version of flagship app.• Developing WebSocket API for DB manipulation.• Developed a REST API – Socket API bridge.• Developed tools to easily generate WebSocket requests for dev, QA, and marketing teams.• Took steps to prevent SQL and JS injection attacks.• Designed relational DB for flagship app.• Implemented “family feed” using DynamoDB.• Implemented buffering system using AWS Kinesis to ingest data reported by user’s apps.

* Worked with team developing a workflow system in PHP7 and ZF3* Compared and evaluated different SSO services for internal use* Integrated Keycloak SSO service into existing products* Developed Amazon Alexa apps using AWS Lambda and AWS API Gateway

* Developed end-to-end IoT applications using MQTT, MongoDB, and various microcontrollers* Developed Amazon Echo apps using AWS Lambda and Node.js* Developed Node.js applications which communicate with Neo4j Graph Database* Designed and optimized Neo4j Cypher queries* Implemented automated testing with Mocha and Istanbul * Developed Tsung “scripts” to perform traffic generation for Splunk* Developed dashboards and alerts for AppDynamics* Mentored junior developers

* Developed Node.js application design patterns* Evaluated existing APIs and architecture styles* Developed MEAN stack (MongoDB – Express – AngularJS – Node.js) architecture blueprints* Compared Express vs Restify vs Hapi frameworks as part of blueprint

* Open-sourced various Node.js libraries and deployed on NPMjs.org * Developed and documented JSON Query Language and related test tools* Assisted other developers utilize JQL in their projects* Developed and documented Node.js framework for managing asynchronous processes; process dependencies represented using digraphs; used topological sort to sequence the processes* Built SOA-based search tool for existing Amazon-hosted Solr/Lucene data store, using HTML5/JS for front end and Node.js for intermediate communication* Built employee and corporate news ingestion tools.* Developed “require all modules in folder” Node.js class.

* Developed data transform and ingestion tools for search applications. Tools are written in Node.js, uses MongoDB to store transformations, saves data to Solr/Lucene, and logsresults to another MongoDB data store. * Developed performance tests for ingestion processes.* Assisted other developers transition from PHP to Node.js.

* Built tools for detecting and debugging failures in data ingestion and indexing processes. Tools connected to multiple data sources (Hadoop/HDFS files, MySQL DBs, Lucene/Solr indices, Splunk, availability and search APIs), and used batch-testing of fixed asset lists, random asset sampling, and specific asset testing. Tools currently used in dev, QA, and production environments.* Developed web interface for ZooKeeper as part of effort to centralize configuration information. Currently used for config management and replication of dev and QA environments. Allows for import/export of data as JSON files.* Worked with QA engineer to develop Bash scripts which periodically export data from ZooKeeper Web UI and perform SVN check-in. Used to roll-back deployment of incorrect configuration settings in QA environment.* Completed/extended prototype of a build and deploy system started by another contractor, written using Bash and Ant scripts. System automated SVN check-out/in, environment setup (Tomcat, MySQL, and Lucene), RPM builds, app deployment, and post-install tests. Resulted in replacement of daily half-hour manual deployment with 5 minute auto-deploy process.* Lead small team in creation of a movie trivia quiz game as part of "Lab Week". Developed question-generation algorithms used by quiz as well as an HTML5 UI.* Developed prototype UI for displaying nested/personalized channel schedules.

* Developed internal tool that compares news trends and popular search keywords against existing AOL/Blogsmith/Huffington Post content.* Developed dynamic UI for internal SEO analysis tool; integrated tool into Blogsmith and Huffington Post MT CMS.* Developed NLP applications using Python and NLTK for headline generation.* Developed PHP plugins for Blogsmith CMS.* Invented “trading day indices” for rapid presentation of stock market data.* Investigated sentiment-based leading indicators for stock prices.* Developed advanced financial charting application for AOL Money and Finance site allowing users to view symbol performance, compare symbols, view standard technical indicators, integrate news events into the charts, etc.* Architected and developed page-level data gateway for injecting stock price updates into company pages and users’ portfolio pages.* Developed and/or supported interactive multimedia applications including mapping applications, reusable Flash-based slideshows, March Madness brackets app and legacy Super Bowl commercial viewer app.* Applied Graham’s theory of combinatorial scheduling to problem of sequencing of asset downloads in Rich Internet Applications.* Rebuilt News Quiz application responsible for increased traffic to AOL News channel.

* Developed Radio@AOL client in Flash for playing live and pre-recorded audio streams. Modified client currently used in AOL Instant Messenger.* Developed CSS minimization algorithm based on vector-space similarity measures.* Worked as part of small team to update DHTML radio client. Updated client has unified code-base for multiple deployment scenarios, integrates XM music stations into AOL Radio, is cross-browser compatible, and accessible to vision-impaired users.* Designed and facilitated short class on Flash development process for Java developers.

* Taught undergraduate courses in discrete mathematics and algorithm analysis.

* Created and managed substantial website and CMS for small city government; developed CMS using SQL Server and ColdFusion.* Developed e-commerce websites using combination of ASP.NET, ColdFusion, and Flash.* Developed portal for internal use. Included customer management system, document library, calendar, e-mail client, trouble ticket tracking and maintenance logging systems.* Built “video help desk” application - allows administrators to record answers to FAQs using a web cam, and allows end users to search and view recorded solutions online.* Developed sample realty website for demonstration to potential real estate customers. Site includes “decorate the house” Flash application, DB-driven property location map, and a 360º panorama.* Created “docs on demand” wireless web application that interfaces an e-mail server to a document library via a shopping cart. Used cHTML and WML interfaces.