Jahel Jazmin Castro
@jaheljazmincastro
ISTQB-certified QA analyst with 9+ years ensuring quality across web, mobile, backend, and API systems.
What I'm looking for
I am an ISTQB-certified QA Analyst with over nine years of experience testing web, mobile, desktop, and backend systems for U.S. and Latin American clients. I specialize in manual testing, API validation, test case design, defect tracking, and improving test processes within Agile and Kanban teams.
My career highlights include leading QA efforts at Gorilla Logic for multiple U.S. clients, improving API test coverage at Globant, and mentoring junior QA engineers. I have hands-on experience with tools such as Jira, TestRail, Postman, ReadyAPI, AccelQ, and databases including MySQL, PostgreSQL, Oracle, and DynamoDB.
I am passionate about continuous learning and expanding automation skills in Selenium, Playwright, and Cypress while contributing strong analytical thinking, attention to detail, and collaborative problem-solving to deliver stable, production-ready software.
Experience
Work history, roles, and key accomplishments
Led QA for multiple U.S.-based clients, creating and executing manual test plans for web, backend, and integration testing and improving test processes to ensure product stability in Agile/Kanban teams.
Executed tests for complex systems in Agile Scrum teams, designed test plans, validated APIs to increase coverage, and led small QA groups while supporting automation efforts.
Tester Engineer
Global Hitss
Jan 2017 - Oct 2017 (9 months)
Led UAT and system testing for PM and CRM modules, managed QA status reporting and test data flows to align releases with business requirements.
Application Support Analyst
Colsubsidio
May 2016 - Jan 2017 (8 months)
Provided SAP CRM-PSCD support, managed incident tracking and QA reporting, and coordinated third-party services to maintain enterprise application stability.
Performed UAT, exploratory, functional, and regression testing for telecom web apps and services, producing structured test documentation to support releases.
Junior SAP ABAP Consultant
Prime Group
Aug 2014 - Jul 2015 (11 months)
Developed SAP ABAP applications using SAPUI5 and OData, contributing to the AGROSUPER Sale Mobile full-stack SAP workflow solution and improving enterprise integrations.
Testing Analyst
Choucair Testing S.A.
Jul 2013 - Jul 2014 (1 year)
Planned and executed manual testing for high-traffic web and mobile platforms in Agile teams, supporting clients in telecom and media and strengthening exploratory QA practices.
Development Engineer
Open Systems
Jul 2012 - Jul 2013 (1 year)
Designed and tested CRM modules using .NET and PL/SQL for Open Smartflex, combining development and QA practices to enhance CRM functionality.
Education
Degrees, certifications, and relevant coursework
Industrial University of Santander
Bachelor’s Degree, Systems Engineering
2007 - 2012
Bachelor’s Degree in Systems Engineering completed at the Industrial University of Santander from February 2007 to June 2012.
Availability
Location
Authorized to work in
Job categories
Skills
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