Aaron Rosas's Resume
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Professional Summary

Software Engineer with a B.S. in Computer Science and Technology and three years of experience supporting, refactoring, and developing highly regulated, mission-critical backend systems. His approach blends product-focused engineering with Cloud, DevOps, and Application Delivery practices, driving resilience, automation, and secure, observable platforms through CI/CD pipelines, container orchestration, and modern monitoring solutions.

Worked at JPMorgan Chase & Co. (JPMC), where he upgraded and refactored backend services using Java and Spring Boot, modernized ETL regulatory systems, enhanced data quality, and ensured operational compliance. Passionate about developer advocacy, he creates clear explanations of distributed systems, cloud architectures, debugging workflows, and backend best practices.

Technical Skills

  • Programming: Java, Python, Bash, SQL, PL/SQL
  • Backend & Cloud-Native: Spring Boot, Hibernate, REST, Microservices, Flask, Django, Pentaho (ETL)
  • Cloud & DevOps: Docker, Kubernetes, AWS, Jenkins, Git, CI/CD, Linux
  • Monitoring: Splunk, Grafana, Prometheus
  • Databases: Oracle, Sybase, MySQL, PostgreSQL, MongoDB
  • Testing: JUnit, Mockito, SonarQube
  • Frontend (Working Knowledge): HTML, CSS, JS, React, Bootstrap
  • Infrastructure & Networking: Linux, Illumio, Packet Tracer, ServiceNow
  • Additional Exposure: Racket, Prolog, Elixir, Swift, C, C++, R, MATLAB

Professional Experience

Software Engineer II – Application Delivery

JPMorgan Chase & Co. | Feb 2025 – Jul 2025 | Mexico City

  • Maintained and integrated Java/Spring Boot services on Kubernetes for post-trade workflows.
  • Led certificate renewals and secure credential rotation across multi-region financial integrations.
  • Performed post-deployment validation using automated pipelines.
  • Applied TDD with JUnit/Mockito and enforced code-quality standards via SonarQube.
  • Investigated incidents with Splunk and improved system observability.
  • Produced internal documentation and architecture explanations for onboarding and troubleshooting.
  • Delivered internal workshops simplifying complex distributed workflows for engineering teams.

Software Engineer I – Regulatory Systems

JPMorgan Chase & Co. | Mar 2023 – Jan 2025

  • Designed automated Pentaho ETL pipelines for regulatory reporting.
  • Optimized SQL tracing to improve reconciliation and data accuracy.
  • Executed controlled deployments under strict governance frameworks.
  • Diagnosed production incidents and implemented long-term fixes.
  • Aligned regulatory outputs with internal audit and compliance expectations.

Development Intern – Application Delivery & Data Integration

JPMorgan Chase & Co. | May 2022 – Feb 2023

  • Led migration of Sybase → Oracle for +3M rows of regulatory data.
  • Created SED automation to transform legacy SQL into Oracle-compatible formats.
  • Refactored 30+ ETL jobs to ensure compliance with new database standards.
  • Coordinated validation with DBAs and business groups to ensure compliant migration.
  • Documented migration workflows into reproducible engineering guides.

Education

Bachelor’s in Computer Science and Technology

ITESM – Mexico City | GPA 87/100

Certifications

  • AWS Certified Cloud Practitioner – 2023

Courses

  • Microservices Architectures – Vanderbilt University – 2025
  • Building HTTP APIs with Spring – Vanderbilt University – 2025
  • Bloomberg Market Concepts – 2023
  • Python Basics – Univ. of Michigan – 2022
  • Figma/CSS Web Design – 2022
  • Bootstrap 4 – 2022
  • Cybersecurity Foundations – 2021
  • RESTful API with JavaScript – 2021
  • CCNA Certifications – 2021
  • Cloud Computing – EdX – 2021

Languages

English (Fluent), Spanish (Native)