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Sebastian Puerta

@sebastianpuerta

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Experienced QA Engineer skilled in manual and automated testing.

Colombia

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What I'm looking for

I seek a collaborative environment where I can leverage my QA skills to enhance software quality and drive continuous improvement.

As a Software QA Analyst, I bring a wealth of experience in both manual and automated testing, with a strong focus on ensuring software quality throughout the development lifecycle. My expertise encompasses various testing methodologies, including Agile, SDLC, and STLC, allowing me to effectively collaborate with cross-functional teams to deliver high-quality software products.

I have successfully implemented the BDD model using Gherkin for User Stories, designed and executed comprehensive test suites, and managed bug tracking with Jira X-Ray. My previous experience in quality honed my leadership skills, where I developed quality standards and training programs that consistently achieved over 95% quality metrics. I am passionate about continuous improvement and thrive in dynamic environments.

Experience

Work history, roles, and key accomplishments

Current

QA Engineer

Current

Neostella

Jun 2025 - Present (1 year 4 months)

● Built scalable Playwright frameworks
● Shift-left testing in requirements and design, identifying gaps early.
● Developed UI/API strategies and E2E/API automation, increasing regression coverage.
● Managed Jira defects and stakeholder communication.
● Collaborated with devs, POs, and QA in Scrum ceremonies.
● Reported key quality metrics.

Playwright Javascript Typescript GitHub Actions Git Postman Xray Claude Code

Software QA Analyst

UPEX

Apr 2024 - Jun 2025 (1 year 2 months)

As a Software QA Analyst at UPEX, I work under Scrum methodologies, participating in Sprint Planning and Daily Standups. I manage tasks and test cases using Jira X-Ray, implement BDD with Gherkin, and design test suites for functional and regression testing. I also report and track bugs throughout their lifecycle and conduct retesting to validate fixes.

Java Selenium TestNG Cucumber BDD Agile Regression Testing Test Engineer

Customer Service Quality & Training Lead

Unifi PMO LATAM

Jul 2022 - Jul 2024 (2 years)

In my role as Customer Service Quality & Training Lead at Unifi PMO LATAM, I ensured quality standards exceeded 95% across various business lines. I developed quality and training procedures, created training programs, and provided mentorship to QA teams while tracking KPIs for continuous improvement.

Quality Assurance Performance Metrics Mentorship KPI Tracking Leadership Process Improvement Compliance Team Management Training and Development

Customer Service Quality Analyst Specialist

Web Help BPO

Oct 2018 - Jul 2022 (3 years 9 months)

As a Customer Service Quality Analyst Specialist at Web Help BPO, I managed quality assurance strategies to uphold high service standards. I provided performance tracking and coaching for quality improvement, ensuring compliance with QA guidelines and operational processes.

Quality Assurance Coaching Compliance Service standards Operations Strategy Management Quality Improvement Performance Monitoring