Jeremy.
Guzmán
Full Stack Developer SRE & DevOps
Belén, Heredia, Costa Rica
+506 6202-5052
Jeremyu4231@gmail.com
linkedin.com/in/jeremygzm

Full Stack Developer and Site Reliability Engineer with hands-on experience building scalable, data-driven web applications and maintaining production infrastructure. Proficient in React, Angular, Django, Laravel, and RESTful APIs, alongside DevOps practices including Docker, CI/CD pipelines, Linux administration, and AWS cloud services. Passionate about clean code, system observability, and continuous improvement in fast-paced Agile environments.

Full Stack Developer & SRE – R&D Team
Jul 2024 – Present
University of Costa Rica
  • Led frontend development — assigned tickets, reviewed PRs, and enforced UI/architectural standards.
  • Engineered and maintained backend services powering 3 production platforms, achieving 99.9% uptime.
  • Designed reusable React components and implemented Axios interceptors for JWT auth and token refresh.
  • Automated maintenance workflows with Bash scripting and Git-based pipelines, cutting manual interventions by 30%.
  • Conducted root-cause analysis reducing recurring backend issues by 35%.
  • Built and maintained Docker images for frontend and backend environments (dev and production).
  • Refactored Jenkins CI/CD pipelines to improve build stability and deployment efficiency.
ReactLaravelDocker JenkinsLinuxBash
Full Stack Developer & DevOps Engineer
Nov 2024 – Mar 2025
AyCarta — Remote, Mexico & Costa Rica
  • Led migration of payment system to Stripe (Django + dj-stripe), ensuring secure transaction handling and webhook sync.
  • Diagnosed and resolved production deployment failures via SSH server access and container log analysis.
  • Refactored Dockerfiles for frontend and backend services, preventing deployment crashes.
  • Configured health monitoring and alerting for continuous observability and faster issue detection.
  • Improved Bitbucket CI/CD pipelines, reducing deployment time and increasing release reliability.
DjangoStripe APIDocker Bitbucket CISSH
Full Stack Developer & Backend Engineer
Jul 2024 – Nov 2024
Marlin — Remote, Costa Rica
  • Built mobile and web components using React Native, React, and Tailwind CSS.
  • Developed Django REST APIs and database schemas enabling real-time CRUD operations.
  • Integrated observability metrics and logs for error detection during iterative development.
  • Optimized backend performance by 20% through query tuning and caching mechanisms.
  • Implemented CI improvements reducing testing and build validation times by 10%.
React NativeDjango RESTNode.js PostgreSQLCI/CD