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mayel espino edited this page Jan 30, 2017 · 13 revisions

Mayel Espino's Resume

Highlights

  • Received 2 applause awards at Symantec.
  • Inventor of 6 patent applications and co-inventor of 1 patent.
  • My team won the first place in CQES first “hack-a-thon” at PayPal.
  • Received the “PayPalian” award for my involvement for the Airlines Project.

Skill Set

Programming languanges

C - 20 years

  • Back end servers
  • Device driver to control tape drive
  • Embedded systems – Massive file processing
  • image processing libraries – Command line utilities.

C++ - 16 years

  • Large-scale Back-end servers – Massive file processors for credit card applications.
  • SOAP services.

Java - 06 years

  • Servlets
  • Back end servers- Maven test cases – MQ classes.

Assembler - 03 years

  • Embedded systems in college.

Python - 04 years

  • Command line utility
  • Server development – Messaging/middleware systems – Monitoring tools.

DJango - 01 year

  • REST server
  • Command Line REST client – In-house application for storing service monitor data for reporting engine – Reporting engine.

Ruby - 06 months

  • Received training from Puppet developers.
  • Developed puppet modules.
  • Developed Chef recipes and tests.

Scripting languages

Bash Scripting - 07 years

  • Administrative task automation
  • Environment set up and management – System Monitoring.

Perl - 04 years

  • Unix process management
  • Service monitoring
  • File processing.

Infrastructure

Infrastructure management and deployment automation - 04 years

  • Developed and improved on a variety of tools, both in house and off the shelf, to enable the Release Engineering team deploy, configure and manage the entire company’s software stack.

Cloud computing - 1 year

  • Provisioned and managed nodes in both AWS and OpenStack. Created and managed security groups. Used the web interfaces and command line tools for both.

Chef - 06 months

  • Wrote chef recipes, chef kitchen tests, used kitchen knife for chef server operations and node management.

Haproxyand Squid - 04 months

  • Manage, update haproxy. Created Chef recipes to produce the haproxy configuration.

Consul - 02 months

  • Added service discovery to haproxy.

DataDog - 02 months

  • Created DD agent scripts to monitor services, also created dashboards and alerts.

Puppet - 08 months

  • Received training from Puppet developers – Developed puppet modules
  • Tutorial examples
  • puppet master – Mcollective.

Oncall support - 04 years

  • Provided second level support and tools for the DevOps and Batch Ops teams at PayPal and for SRE team at Ooyala.

Continuous integration - 04 years

  • Created continuous integration jobs, code coverage jobs, Maven test execution jobs.

Source control - 11 years

  • Used for source control of work projects.

Mysql - 01 year

  • Installation, schema design and performance tuning.

Oracle/Sybase - 07 years

  • Schema design and performance tuning.

SQL/PSQL - 09 years

  • Report generation - PSQL programs for data pre-processing.

Operating Systems

Linux - 12 years

  • Install and developed open source and in-house applications - Systems Administration and management – Process and service monitoring.

Unix - 11 years

  • Systems Administration and management – Process and service monitoring
  • Ported C/C++ code on to various variations of Unix.

MVS - 04 years

  • Applications C, REX, and proprietary languages.

Windows - 10 years

  • Software Development and management.

Web

HTM - 07 years

  • Developed a variety of web pages for internal tools.

PHP - 01 year

  • Developed in-house applications for MCI test tool.

JavaScript - 06 months

  • Developed Service monitor web page using JavaScript to read files and execute REST commands to dynamically build the status web page.

Mark up languages - 04 years

  • XML for configuration data
  • Used Json in conjunction to MongoDB to describe our deployment application’s configuration data.

Middleware

MQ Series - 01 year

  • Developed, maintained and ported code for messaging applications, which utilized MQ-Series API.

WebSphere - 01 years

  • Developed messaging applications for complex messaging and message transformation.

Tuxedo - 01 year

  • Developed business logic for tuxedo servers, using tuxedo’s API.

Other

Project management - 07 years

  • Lead large teams, up to 9 engineers, in design and project tracking meetings. Day to day mentoring and project tracking.

Embedded Systems - 01 years

  • Developed Embedded systems programs for college.

Internet security (AppScan) - 06 Months

  • Maintained and extended in house infrastructure for scanning PayPal’s site for internet security vulnerabilities. The infrastructure was built around AppScan an IBM product.