Jonathan Estrella

Added CRUD endpoints to a Wildfly+Jackson/JAX-RS REST service. Wrote API client in Java to interface with the service. Updated Nutch (A hadoop based web scraper) to support concurrent reads/writes on MongoDB shards. Wrote additional mapreduce jobs to improve recoverability of Nutch during failures.

Wrote spark streaming application to create computed statistics based on user events website, and email content produced and sent through website. Applied document summary techniques and indexed emails to make them searchable through Solr. Wrote Akka (TCP) microservice to detect how long emails are read through invisible image tracking in emails and socket connections. Implemented barebones HTTP server with Akka TCP.

Worked with Yii to update a CRUD REST service and created technical documentation. Wrote PHPUnit tests for endpoints. Created WYSIWYG form creator with Laravel/jQuery. Users could create a form with different input types and add labels, make sections required/optional. These forms were later presented in email campaigns Created a PHP API client and design document.

Wrote a distributed Scrapyd service. Created a router that distributed and handled serving statistics from scrapyd instances on different machines.

Migrated portions of an existing knockout component based website to use react components using redux as a data store.

Performed query optimization through adding indexes and manually writing queries to override Hibernate generated queries. Removed cold indices in databases