QA Analyst & Systems Engineer — Manual/Automation, Data Validation, Linux, DevOps, Secure System Integration
Tester QA Manual & Automation — Real State Holding, 2025 — Present
- Manual & automated testing of chatbots, APIs, data pipelines.
- ETL testing, database validation, authentication flows, regression/integration coverage.
- Tools: Postman, Selenium, SQL, Jira, Redmine, SSH diagnostics.
Census Data Quality Analyst — Instituto Nacional de Estadística (INE), Paraguay, 2023
- Collected, reviewed, digitized, and coded census surveys for statistical projects.
- Conducted error detection and data validation in census spreadsheets.
Freelance QA & Cybersecurity Analyst — Upwork / Remote, 2022 — Present
- Manual, functional, integration, regression, and UAT testing for web and payment platforms.
- API testing with Postman and Swagger.
- Automation tests with Selenium and SQL validations.
- OSINT and vulnerability documentation.
- Payment services testing: Aquí Pago, Pago Express, MoneyGram.
IT and CRM Support / Sysadmin — ADRA NGO, Asunción, Paraguay, 2019 — 2021
- Managed CRM systems, WordPress configuration, servers, cybersecurity monitoring.
- Mobile testing on Xamarin Forms (.NET/C#), validating UI and API integrations.
- QA support for data pipelines and system environments.
Data Analyst — ADRA Projects, Remote, 2018 — 2019
- Built statistical reports and dashboards for impact analysis.
- Applied statistical modeling to datasets.
Volunteer Assistant — Habitat for Humanity, Asunción, 2017 — 2018
- Database entry, archive inventory, spreadsheet organization.
Automation Scripting Intern — PwC Paraguay, Asunción, 2020
- Developed automation scripts, Excel macros, Mail Merge for workflow optimization.
Research Assistant Contract — Theoretical and Applied Statistics Lab, FACEN, 2025
- Research support and contract tasks: Research Contract
Universidad Nacional de Asunción — BSc in Mathematical Statistics
Career Details, Curriculum
Sistema Nacional de Promoción Profesional — Technical Degree in Application Programming
Curriculum
- Manual Testing: Functional, Regression, Integration, UAT
- Automation Testing: Selenium, Playwright, Jest, Vitest
- API Testing: Postman, Swagger, REST, JSON
- Mobile & Device Testing: Android, Xamarin Forms (.NET/C#)
- ETL & Data Pipeline Validation
- Test Management: Jira, Redmine, BMC Remedy
- Authentication & Access Flow Validation
- SRS-based Validation & Requirements Coverage
- PHP 8, Laravel, Composer
- Node.js, NPM, Yarn
- REST API Architecture, Axios, cURL
- Docker & Docker Compose, Linux Administration (Ubuntu, Fedora)
- Virtualization: VirtualBox, VMware, WSL2
- Cloud & Hosting: AWS, Google Cloud, Heroku, Vercel, Netlify
- Documentation: Docusaurus
- Vulnerability Documentation & Pentest Reports
- OSINT Workflows
- Security Log Monitoring (Servers + WordPress)
- Secure Linux Environment Auditing
- Automated Builds, Test Runs & Coverage Reporting
- Pipeline Configuration (CI/CD)
- Test Reporting & Metrics
- Postman: API Beginner Learning Path (Certificate)
- Linux: Linux Operator Training (Certificate)
- Cybersecurity: Digital Media Security
- TryHackMe: Vulnerabilities 101, Writing Pentest Reports
- Cisco: Intro to Cybersecurity, Cisco Packet Tracer
- Financial Mathematics: Certificate
- Web Design with Bootstrap: Certificate
- CAD/CAM Design: Certificate
- Computer Networks: Certificate
- Data Journalism & Education: Certificate
- Scientific Writing II: Certificate
- Probabilistic Thinking: Certificate
- Applied Numerical Models: Certificate
- Impact of Statistics: Certificate
- Categorical Data in R: Certificate
- Moodle Workshop: Data Management and QA Reporting: Certificate
- Google Cybersecurity Certificate: Coursera