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Hello, I'm Deserei, a software quality engineer with 5 years of experience in software testing, QA automation, and data validation. I enjoy turning complex requirements into clear test plans and delivering defect-free software through collaborative, process-driven approaches. I thrive in Agile environments and across cross-functional teams, consistently aligning testing with business expectations. I am comfortable with SQL, Oracle, Linux, JIRA, TFS, and QA tools (BrowserStack, Zephyr, TestRail, Postman) and have hands-on experience with ETL validation using Informatica and data comparisons between staging and target environments. I value clear communication, continuous learning, and timely sign-offs.…Hello, I'm Deserei, a software quality engineer with 5 years of experience in software testing, QA automation, and data validation. I enjoy turning complex requirements into clear test plans and delivering defect-free software through collaborative, process-driven approaches. I thrive in Agile environments and across cross-functional teams, consistently aligning testing with business expectations. I am comfortable with SQL, Oracle, Linux, JIRA, TFS, and QA tools (BrowserStack, Zephyr, TestRail, Postman) and have hands-on experience with ETL validation using Informatica and data comparisons between staging and target environments. I value clear communication, continuous learning, and timely sign-offs.

Deserei Arellano

QA Engineer, Developer, Web Developer, +2

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Hello, I'm Deserei, a software quality engineer with 5 years of experience in software testing, QA automation, and data validation. I enjoy turning complex requirements into clear test plans and delivering defect-free software through collaborative, process-driven approaches. I thrive in Agile environments and across cross-functional teams, consistently aligning testing with business expectations. I am comfortable with SQL, Oracle, Linux, JIRA, TFS, and QA tools (BrowserStack, Zephyr, TestRail, Postman) and have hands-on experience with ETL validation using Informatica and data comparisons between staging and target environments. I value clear communication, continuous learning, and timely sign-offs.…Hello, I'm Deserei, a software quality engineer with 5 years of experience in software testing, QA automation, and data validation. I enjoy turning complex requirements into clear test plans and delivering defect-free software through collaborative, process-driven approaches. I thrive in Agile environments and across cross-functional teams, consistently aligning testing with business expectations. I am comfortable with SQL, Oracle, Linux, JIRA, TFS, and QA tools (BrowserStack, Zephyr, TestRail, Postman) and have hands-on experience with ETL validation using Informatica and data comparisons between staging and target environments. I value clear communication, continuous learning, and timely sign-offs.

Available to hire

Hello, I’m Deserei, a software quality engineer with 5 years of experience in software testing, QA automation, and data validation. I enjoy turning complex requirements into clear test plans and delivering defect-free software through collaborative, process-driven approaches. I thrive in Agile environments and across cross-functional teams, consistently aligning testing with business expectations.

I am comfortable with SQL, Oracle, Linux, JIRA, TFS, and QA tools (BrowserStack, Zephyr, TestRail, Postman) and have hands-on experience with ETL validation using Informatica and data comparisons between staging and target environments. I value clear communication, continuous learning, and timely sign-offs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

Quality Assurance Engineer at Strategic Staffing Solutions

June 1, 2025 - Present

Led data- and rule-driven QA activities for the Blue Cross Blue Shield of Michigan project, analyzing business and data mapping requirements to design comprehensive test cases and scenarios. Conducted test case reviews with business analysts and stakeholders to validate alignment with expectations. Performed data analysis and validation of vendor CSV files by loading and comparing data between STAGING and TARGET tables; wrote and executed SQL queries to verify data accuracy. Utilized Informatica workflows and WinSCP jobs to execute ETL processes and verify successful data loads. Used ClearQuest for defect tracking; managed test design, execution, and reporting through qTest. Participated in daily Agile/Scrum stand-ups; presented test result demos to business users and obtained sign-off. Managed multiple projects concurrently while meeting deadlines and quality standards.

Senior QA Analyst at DB Results (Philippines) Inc.

August 1, 2022 - June 30, 2025

Analyzed business requirements and evaluated application design; led and participated in Scrum ceremonies. Documented, tracked, and managed items in JIRA across current and future sprints. Created and executed automation scripts against each user story using Katalon; maintained regression suites. Performed functional testing (web and mobile) and UI/UX validation to ensure elements were aligned. Reported bugs to the development team and collaborated with onshore/offshore resources. Created use cases and test cases to guide testing efforts across projects.

UAT Support QC Engineer at Deltek Systems (Philippines), Ltd.

November 1, 2022 - June 30, 2023

Led agile ceremonies; utilized TFS to document, track, and manage items in current and backlog items. Analyzed requirements across products to identify acceptance criteria, test cases, and scenarios. Investigated and replicated customer-reported defects; raised defects in TFS for tracking. Helped optimize the development process; conducted demos for internal managers and fellow QEs.

Associate QA Analyst at Change Healthcare

September 1, 2020 - August 31, 2022

Created and executed test cases using TestRail; performed test plan creation and reviews. Conducted release readiness to ensure impacted EPS areas were covered in regression testing. API testing using Postman; monitored server error logs using PuTTY and WinSCP. Created SQL scripts to validate data in DB Visualizer/Oracle SQL Developer. Upgraded QA server/system based on Jenkins builds. Performed functional and non-GUI testing of client-facing software and non-GUI transactions; demonstrated completed user stories to stakeholders. Analyzed requirements/design documents, user stories, and defects; collaborated with cross-functional teams to ensure quality across the software.

Operation Associate at Paul Jones Collections Inc.

September 1, 2019 - May 31, 2020

Managed and maintained product data in an e-commerce platform (product name, description, images, pricing, dimensions, keywords, etc.). Created product descriptions aligned with trade/marketing strategies.