Bryan Castillo Email & Phone Number

Redmond, Washington, Us

I have been leading small teams in the Cloud Operations and Innovation organization, which focuses on improving the operations, safety, and efficiency of Microsoft data centers.I was the lead for an AI team for 3 years, which included software engineers and data scientists. We built out machine learning models to improve data center task recommendations and anomaly detection for critical environment systems.Since April of 2022 I have been leading a team building an application called digital procedures, which allows subject matter experts to create custom procedures for technicians to follow when maintaining industrial control equipment and large-scale electrical devices.

Redmond, Washington, Us

Our team is building software and systems to automate the purchasing, installation, and management of hardware for Microsoft data centers. We are part of the Microsoft Cloud Infrastructure Organization and are one of the groups helping Azure scale.Our teams are hiring software engineers. Please contact me if you are interested in helping build out Microsoft's cloud infrastructure.

Seattle, Wa, Us

Payments Portal: Designed and built a web component platform used to create payments related user experience components. Payments user interface components are embedded and used by multiple groups at Amazon including the main Amazon retail website, Kindle content store, Amazon Instant Video, and Amazon Web Services. Payments Portal is also used to get new features and initiatives moving quickly such as Amazon Student and Amazon Home Services. The custom web components platform includes server side and client side technology written in Scala and JavaScript.I joined the team to help build its first prototype with 4 other engineers. While I have primarily been a technical contributor I have helped with hiring, training, client engagement, and career management. I am current the lead engineer for 4 teams consisting of 25 engineers.

Seattle, Wa, Us

Device Integration: Senior engineer for the device integration team. Responsible for web services used by video streaming web-sites, mobile phones, tablets, internet connected televisions, and game consoles.Technical lead for service scaling and device integration for video streaming in support of the Kindle Fire launch. Created plans and projects for 5 different teams targeting latency and scaling optimizations.Major technical contributor to the Prime Video launch, which added video subscription support to a platform that had been focused on rental and purchase. Responsible for building and scaling video discovery by subscription and quality of service event metrics.

Seattle, Wa, Us

I was a major contributor on the Mechanical Turk team. I worked on front end user interfaces, back-end web services, and client developer libraries. Lead engineer for Mechanical Turk data warehousing. Designed and implemented Postgresql setup and deployment. Designed and implemented custom ETL and reporting system using JRuby.Core contributor to Mechanical Turk open source SDKs for Java, Ruby, .NET, and Perl.Lead engineer for Indian worker earnings disbursement in Rupees.

Seattle, Wa, Us

I was a major contributor on the Mechanical Turk team. I worked on front end user interfaces, back-end web services, and client developer libraries. Lead engineer for Mechanical Turk data warehousing. Designed and implemented Postgresql setup and deployment. Designed and implemented custom ETL and reporting system using JRuby.Core contributor to Mechanical Turk open sourced SDKs for Java, Ruby, .NET, and Perl libraries.Lead engineer for Indian worker earnings disbursement in Rupees.

Woonsocket, Ri, Us

Programmer for prescription benefits management group. Core contributor to rewrite of the benefits management web console. Designed and implemented tools and libraries for ETL system used to assist merging data sets and data processing workflows from recently purchased companies. The custom ETL tool, was used by multiple groups for various integration and data warehousing projects. The tool could transfer and merge data between disparate data sources which included direct access to DB2, Oracle, and SQLServer. Extra support was added to support flat file imports from legacy mainframe systems. Features included retries, pre and post database operations, condition checks, email notifications, FTP transfers, variable substitutions from previous SQL queries, and custom logic written in Beanshell or Groovy.

Worked part-time as an independent consultant for applications used by the U.S. military used to administer and report on recruitment programs, related to the video game America's Army. I developed websites in PHP, administered web servers and database servers.

Chandler, Arizona, Us

Core contributor to the Insight product search engine used by the website and sales associates for finding and comparing computer related products. I lead the implementation and re-design of the core product index. The core index library allows Java programmers to access fast low level search operations on a distributed version of the product database implemented in C on top of Berkeley DB. A customized nested query language was created to allow product managers to specify product category searches.I contributed to various integration projects for the product catalog. My work included task automation in Perl, optimizations to the networking layers written in Java NIO for the company's custom service framework, integration between Java based servers and SAP, and integration between SQL Server and the distributed product index.

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Engineer for SCAN Online, a service used by major retailers such as Walmart and The Home Depot to determine if checks should be accepted at point of sale. The system used information about previous check writing history, geographic locations, and the number of checks and sum of amounts across multiple retailers to determine the likelihood that a check would result in actual payment.Primary work was done in C and C++ on Solaris with a focus on network connectivity, latency, and service availability. Later projects include custom scoring logic support using database stored procedures, and supporting call center applications written in Java Swing.

Us

Systems operator for data transfers, network availability, and system backups. Maintained and edited automated data transfer scripts in Perl and Korn shell. Responsible for troubleshooting and resolving network connectivity issues between partners. Responsible for escalation of customer facing issues and systems outages including communication between business groups, system administrators, and developers.

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Customer service contact for the Shared Check Authorization Network. Responsible for communicating with customers and retailers regarding check acceptance policies. Part of the fraud research team. Involved with user acceptance testing and application security testing.

Bachelor Of Science - Bs, Computer Science And Software Engineering

Aas, General/Computer Science