https://github.com/crramirez/my-resume

Senior Software Developer with 24+ years of professional experience, specializing in enhancing performance, reliability, and scalability for complex systems. My expertise includes Java, AWS, and data engineering, with a passion for transforming legacy systems and optimizing large-scale infrastructure.
https://github.com/crramirez/my-resume

Last synced: 5 months ago
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Senior Software Developer with 24+ years of professional experience, specializing in enhancing performance, reliability, and scalability for complex systems. My expertise includes Java, AWS, and data engineering, with a passion for transforming legacy systems and optimizing large-scale infrastructure.

• Host: GitHub
• URL: https://github.com/crramirez/my-resume
• Owner: crramirez
• Created: 2018-10-20T00:57:53.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2025-09-26T18:54:29.000Z (10 months ago)
• Last Synced: 2025-10-09T06:49:00.350Z (9 months ago)
• Homepage: https://crramirez.github.io/My-Resume/
• Size: 155 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Carlos Rafael Ramirez

*Senior Software Developer, Microsoft MVP (2024–Present)*

Barcelona, [crramirez@gmail.com](mailto:crramirez@gmail.com)

* [https://www.linkedin.com/in/carlos-rafael-ramirez/](https://www.linkedin.com/in/carlos-rafael-ramirez/)

* [https://github.com/crramirez](https://github.com/crramirez)

* [https://crramirez.github.io/My-Resume](https://crramirez.github.io/My-Resume)

* [https://stackoverflow.com/users/2210035](https://stackoverflow.com/users/2210035)

* [https://twitter.com/crramirezc](https://twitter.com/crramirezc)

* [MVP Profile Page](https://mvp.microsoft.com/en-US/mvp/profile/982d0b11-8e6b-41b6-af47-3ac55073ed83)

## PROFILE

Senior Software Developer and Microsoft MVP with **24+ years** of experience enhancing performance, reliability, and scalability in complex systems. Specialized in Java, AWS, and data engineering. Skilled in modernizing legacy systems and optimizing large-scale infrastructure.

## WORK EXPERIENCE

### Master Software Specialist, Smartmatic — Jan 2025–Present

*Election Systems Modernization & Backend Development*

* Enhanced system security by upgrading from **Java 8** to **Java 17**, addressing **\~300 CVEs** and removing critical vulnerabilities, boosting performance by **20%**.

* Developed backend for adjudicating **2,556** candidates in Honduras' primary election using **Oracle stored procedures** and **BIRT reports**.

* Led a team of **5 developers** to adapt the electoral solution for Malawi elections within **5 months**, ensuring compliance with local laws and creating **20+ statistical reports**.

**Tech Stack:** Java, Spring Boot, Docker, Jenkins, Oracle, AWS, BIRT

### Senior Software Engineer, Scopely — Jul 2024–Dec 2024

*Data Infrastructure & Cloud Systems*

* Maintain and optimize Java-based microservices deployed on Kubernetes in AWS (EKS), integrating with GCP services such as BigQuery for large-scale data pipelines.

* Manage **AWS (SQS, Kinesis, DynamoDB)** with Hystrix-based flow control to ensure scalability and reliability, enabling cross-cloud data workflows with **GCP BigQuery**.

* Enhanced **Datadog observability** by instrumenting code with custom metrics and configuring dashboards and alerts, improving monitoring coverage and incident response.

**Tech Stack:** Java, Kubernetes (EKS), Docker, AWS (SQS, Kinesis, DynamoDB), GCP (BigQuery), Hystrix, Datadog

### Senior Java Developer, King — Sep 2022–May 2024

*Customer Segmentation & Data Analytics*

* Enhanced A/B Testing framework used for customer segmentation driving **40%** of company revenue.

* Improved BigQuery performance by **60%** via Farm Fingerprint algorithm.

* Migrated Python salt generation system into Java to reduce pre-test imbalance.

**Tech Stack:** Java, Kubernetes, Docker, GCP (BigQuery), MySQL, Jenkins, Linux, Agile, TDD

### Senior Software Engineer, Bridgestone Mobility Solutions — May 2019–Aug 2022

*Legacy System Modernization & Platform Migration*

* Took ownership of an acquired legacy system, modernized stack, and reduced server rental costs by €3K/month.

* Led recovery after data center fire with no data loss and minimal downtime.

* Drove customer migration to new platform, achieving **90%** adoption.

**Tech Stack:** Java, Spring Boot, Java EE, JBoss, Hibernate, Docker, Oracle, MySQL, React Native, Appium

### Master Software Specialist, Smartmatic Panama — Aug 2017–Apr 2019

*Cloud Cost Optimization & Election Infrastructure*

* Migrated from Oracle JDK to OpenJDK OpenJ9, saving >\$10K in licensing and **30%** in cloud costs.

* Integrated Java EE authentication with central government OAuth system.

* Built OpenCV + Java solution reducing vote transcription costs by \$20K.

* Designed Spring Boot + Terraform cloud stack manager reducing environment setup time by half.

* Deployed private cloud on OpenStack saving \$5K/month.

* Established annual training plan for 30 engineers, improving productivity by **20%**.

**Tech Stack:** Java, Spring Boot, Java EE, Docker, Terraform, AWS (CloudHSM), OpenStack, PostgreSQL, Oracle, OpenCV

### Engineering Associate Manager, Smartmatic Panama — Nov 2012–Jul 2017

*Biometric Voter Authentication & Mission-Critical Services*

* Led team adapting biometric voter authentication for Armenian government (5M voters).

* Optimized Pentaho Kettle pipeline reducing import time of voter data to **<1 hour**.

* Oversaw mission-critical Java EE/JMS web service handling **270K** voting packages in **<60 minutes**.

* Pioneered Scrum adoption, boosting productivity by **50%** and reducing defects by **30%**.

* Led development of Ballot Design system generating **1.7K** ballot faces and **80M** serialized PDFs.

* Automated application deployment with Docker cutting setup time by 80%.

**Tech Stack:** Java, Java EE, JMS, JBoss, Hibernate, Docker, PostgreSQL, Oracle, Jenkins, Maven, Sonar, Pentaho Kettle

### Product Architect, Smartmatic Labs — Mar 2010–Oct 2012

*Automation & Distributed Election Systems*

* Automated OS image builds with FAI ensuring full auditability and reducing certification costs.

* Led team optimizing distributed electoral solution in the Philippines, cutting field technicians by **50%**.

**Tech Stack:** Java, Java EE, Linux, JBPM, FAI

### Software Lead, Smartmatic Labs — May 2008–Mar 2010

*Call Center & Voting Support Systems*

* Designed and led call center support system for 900+ operators and **5K** voting centers using JBPM.

**Tech Stack:** Java, Java EE, JBoss, Hibernate, Oracle, JBPM

### Software Engineer, Smartmatic Labs — Mar 2004–May 2008

*Electoral Management Systems*

* Developed Electoral Management System supporting **30K** voting machines and **11M** voters.

**Tech Stack:** Java, Java EE, JMS, Hibernate, Oracle

## OTHER EXPERIENCE

* Microsoft MVP (2024–Present).

* Maintainer of [Pengwin](https://github.com/WhitewaterFoundry/Pengwin) (Debian-based WSL distro) and Fedora Remix for WSL.

* Contributed to Wine, JetBrains, Oracle, and Microsoft projects.

* Built startup for virtual worlds using Java + Oculus Rift, and e-commerce site with Drupal.

* Active Stack Overflow user with 8.2K reputation, top 5% in Docker.

* Published Dockerized Lime Survey with >100K downloads.

* Languages: Spanish (native), English (professional, IELTS B2), French (intermediate, DELF B1).

## EDUCATION

* Bachelor of Systems Engineering, Universidad Metropolitana, Caracas — Oct 1993–Aug 1999

* Sun Certified Java Programmer — May 2002

* Sun Certified Web Component Developer — Jul 2003

* Sun Certified Mobile Application Developer — Feb 2004