Full Stack Microservices Modernization Engineer

Shaína N. Muñoz Rivera

Austin TX, 787**-***-*** *221 ******.*****.******@*****.***

https://www.linkedin.com/in/shaina munoz

PROFESSIONAL SUMMARY

Full Stack Software Engineer with 5+ years of experience building and modernizing web applications across frontend, backend, and cloud environments. Experienced in React, TypeScript, Node.js, Java, Python, Kubernetes, Docker, and CI/CD, with a track record of improving reliability, simplifying legacy systems, and delivering production features at scale. TECHNICAL SKILLS

● Frontend: React, Next.js, Angular, TypeScript, JavaScript, HTML, CSS

● Backend: Node.js, Java, Python, Spring, REST APIs, GraphQL, Maven

● Cloud and DevOps: Azure, GCP, Docker, Kubernetes, Terraform, OpenShift, GitHub Actions, JFrog

● Databases: MongoDB, PostgreSQL, MySQL, Cassandra, SQLite, Oracle, SQL Server

● Testing and Quality: Selenium, Jest, BrowserStack, SonarQube, WizCli, FOSSA

● Core Strengths: Microservices, CI/CD, observability, integration testing, accessibility, Agile PROFESSIONAL EXPERIENCE

Private Consulting — Freelance Software Engineer Austin, TX 78728 Sep 2025 – Present

● Built a client-facing portal using Node, React, MongoDB, and GCP, supporting 2,000+ concurrent users.

● Delivered a volunteer registration API with JavaScript, Node, and Salesforce, supporting 300+ volunteers per event.

● Contributed to 3 AI training projects using Docker, Python, Bash, Pytest, FastAPI, and LangGraph, improving validation for faithfulness, relevance, cohesiveness, grounding, and toxicity. General Motors — Lead Software Engineer Austin, TX 78753 Jan 2022 – May 2026

● Modernized a legacy Angular 7 / Node 8 frontend by migrating it to React, Node.js 18, and TypeScript, fully replacing the outdated stack and removing major sources of technical debt.

● Improved deployment scalability and reliability by containerizing and orchestrating services with Docker, Kubernetes, and JFrog Artifactory, supporting pipelines for 6 microservices.

● Reduced authentication latency and strengthened security by streamlining identity management with Azure OAuth and HashiCorp Vault across 10 authentication systems.

● Improved code quality and reduced production defects by implementing automated testing and scanning with SonarQube, Selenium, BrowserStack, WizCli, and FOSSA across 4 production applications.

● Maintained 99.9% uptime and resolved 95% of issues within SLA across 60+ downstream applications by improving operational response and stability.

● Modernized legacy reporting and data workflows by rewriting them into a Python ETL and modern data platform, improving processing performance and data accessibility for 16 reporting systems.

● Improved reliability, maintainability, and release stability across UI, backend, and deployment workflows while supporting 13 engineering teams.

● Accelerated ramp-up and productivity by mentoring and onboarding 8 new developers. Linkit, Inc., San Juan, PR, 00917 Programming Analyst September 2020 – December 2021

● Engineered a high-reliability Android POS solution using Java, SQLite, and Verifone DTK, supporting 10 POS device series across multiple retail locations in Puerto Rico. EDUCATION

Bachelor’s Degree in Computer Science University of Puerto Rico, Bayamon Campus Aug 2016 – Dec 2020

Contact this candidate