Daniel Álvarez Ceballos

Pruduct Tester

Hummingbirds AI

Jun 2026 - Current (5 months)

● Tested pre-release versions of AI-powered applications, validating functionality,
usability, and overall user experience before product launches.
● Executed structured test scenarios and exploratory testing to identify defects,
unexpected behaviors, and potential areas for improvement.
● Validated bug fixes and product enhancements implemented by development teams,
ensuring issues were successfully resolved.
● Documented findings, defects, and recommendations with clear and detailed
reports to support product quality and continuous improvement.
● Collaborated with cross-functional teams by providing actionable feedback on
application performance, user experience, and feature reliability.
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Freelance tester

test

Jan 2026 - Current (10 months)

● I performed functional, regression, and usability (UX) testing on web and mobile
applications, validating critical user flows and expected system behavior.
● I validated new features and business processes, including viewing purchased
products, updating user profiles, and booking processes on platforms such as
Canva, LEGO Builder, and Parkita Parking.
● I identified, documented, and reported defects using Jira, ensuring clear
communication between expected and actual results to facilitate their correction.
● I contributed to improving the user experience by detecting design, navigation, and
functionality errors early on.

QA Engineer (Student full time)

TripleTen

May 2025 - Dec 2025 (8 months)

● Execution of functional, regression, UI, and API tests on web and mobile
applications, participating in 9 projects.
● Design and documentation of 30–50 test cases per project, with defect
management and tracking in Jira.
● Data validation using SQL and execution of API tests with Postman using GET,
POST, PUT, and DELETE methods.
● Testing in mobile environments with Android Studio and support for basic
automation of web applications with Python.
● Early identification of defects and support in the remediation cycle, contributing to
more stable and higher-quality deliveries.

E

Encargado de Veda Café

Aug 2024 - Jun 2025 (11 months)

Optimización de procesos para el manejo de datos por medio de herramientas ofimáticas. Uso intermedio de herramientas ofimáticas (Excel, Word y power point). Mejoramiento de procesos administrativos y contables. Implementación y elaboración del business plan. Mejorar el control del manejo de ingresos y egresos. Manual y estandarización de recetas del café. Reporte de producción para el análisis de desechos de comida, para un mejor control en futuros casos. Diseño y manejo de redes sociales, diseño del menú de cocina.

I

Auxiliar administrativo

Iglesia Bíblica Vida Nueva

Jan 2021 - Current (5 years 10 months)

Creación, manejo y actualización de inventarios por medio de herramientas ofimáticas (Excel, Word). Creación, manejo y actualización de bases de datos por medio de herramientas ofimáticas (Excel, Word). Entrenamiento de manejo de equipos audiovisuales e instrumentos musicales. Manejo de herramientas como Logic Pro X, OBS y MainStage 3. Reporte de daño de equipos y el reemplazo del mismo, reparación de equipos. Cotización de equipos audiovisuales. Pruebas de equipos audiovisuales tales como, consolas de audio, consolas de video, instrumentos musicales, computadores, interfaces de sonido y montaje de los mismos. Creación y manejo de canal de youtube, edición de videos mediante la herramienta Adobe Premier.

Daniel Álvarez Ceballos

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Daniel Álvarez Ceballos

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