Built on Apache Cassandra, DataStax delivers the ultimate always-on hybrid and multi-cloud database.

Cloud Applications - UI Technical Lead

• Design, gather requirements, and code. Participate in planning, backlog grooming, and tech-debt management.
• Coordinate with senior engineers and drive decisions by consensus. Write proposals and internal application documentation.
• Assorted technologies: JavaScript (ES6), React, Material UI, Apollo graphQL, webpack, babel, emotionJs, jest, enzyme, DevExpress, npm+yarn, and testcafe for integration tests.
• Deliver features on a cloud application SaaS offering. CI/CD pipeline, Jenkins builds.
• Creation and maintenance of an internal UI components library for use across company products, hosted on a private npm repository.
• Use of toggle flags for feature delivery, whitelisting, and A/B testing.

OpsCenter Lifecycle Manager: Provisioning - Sr. Software Engineer

• Definition files (edn) drive all possible configurations for Cassandra database settings.
• Clojure on backend server. Boot for build and tooling. Mount for reloadable application state. Application provisions multi-node Cassandra clusters using user-defined configurations.
• JavaScript, React, and Redux: UI that parses definition files and generates form fields for users to customize supported settings, across configuration files, across all supported database versions.

OpsCenter: Monitoring - Software Engineer

• Clojure-based monitoring agent installed on each Cassandra node. Each agent instance interfaces with JMX metrics and events published by a running Cassandra node. Leinengen for build and project configuration. Compojure-api for routing and docs, jetty server with ring API.
• Python daemon for metric collection, API routes, coordination and agent reporting consolidation. JavaScript front-end (Dojo Toolkit).
• Off-the-shelf installable product. Pseudo-Scrum with backlog and standups.

Government forms and task pipelines can be a beautiful experience.

• Create and maintain multiple EmberJs single page applications.
• Maintain multiple microservices built with NodeJs, Java (+itext), and Python.
• Deployment configurations for nginx. AWS management.
• Introduced git and onboarded all applications to version control and github.
• Implement security on server instances, analyze security with tiger, add swap space, rootkit detection, ulimit for nginx processes, among many other enhancements.
• Use of tsung/taurus to benchmark server load & capacity.
• Create WBS spreadsheets to come up with creative ways for the team to practice estimation techniques (eg. planning poker).
• Use of phantomjs to prerender a JavaScript website for a search crawler to consume.
• Wrote a blog article featuring the enhanced company products & technical details on newer efforts.

Evaluate the best area to expand your business, relocate your family, or find statistical patterns.

• Created a single-page web application using AngularJs, open layers maps, D3js, and a thin NodeJs application server. Interfaced with elastic search.
• Programmatically generate screenshots of portions of the web interface.
• Re-worked and re-designed landing pages for a modern feel and a maintainable code base.
• Use of bootstrap and various CSS grid technologies.

POS Systems Engineer

• JavaScript, jQuery, JSP, and Java across various applications.
• Rewrite of the kiosk application previously used in Verizon stores.
• Use of JMVC and AngularJs JavaScript frameworks.

Previously

• Internship @RockSolid: ASP.NET Worked with client to retrofit security of an existing application.
• Part time @Nic.PR: Puerto Rico Top Level Domains .pr domain names with ASP, VBscript, PHP.