Senior QA Engineer (Manual)

Aug 28, 2026

About Trustify Technology 

Trustify Technology is a fast-growing software engineering and digital transformation company providing AI-driven software development, verification & validation, and automation solutions for global clients across the US, UK/EU, Japan, and Singapore. 

Trustify aims to be the top-tier technology outsourcing partner from Vietnam, combining human expertise with AI power to deliver high-quality, cost-effective solutions. 

About the Position

We are seeking a Senior QA Engineer with strong manual testing expertise to safeguard the quality of web and mobile applications running on AWS cloud for our international clients. The ideal candidate has deep experience in test design, execution and defect management, communicates confidently in English with global stakeholders, and — as a strong plus — brings hands-on test-automation experience to accelerate regression and release cycles.

Responsibilities

    • Analyse business/technical requirements and specifications; design, write and maintain detailed test cases, test scenarios and test data.
    • Execute functional, regression, integration, exploratory, UI/UX and cross-platform testing across web and mobile (iOS/Android) applications.
    • Test cloud-hosted systems on AWS, validating behaviour, integrations and performance of applications deployed on AWS services.
    • Perform API testing (Postman/Swagger) and basic data validation with SQL.
    • Log, track and manage defects with clear reproduction steps, screenshots and severity; verify fixes and prevent regressions.
    • Contribute to test planning, estimation, risk assessment and release-readiness decisions.
    • Report quality metrics and release status clearly to product owners and stakeholders in English.
    • Participate actively in Agile ceremonies (sprint planning, stand-ups, retrospectives).
    • Mentor junior QA engineers and drive continuous improvement of QA processes and standards.
    • (Plus) Build and maintain automated test scripts to speed up regression and integrate testing into CI/CD.

Requirements

    • From 6+ years of experience in software QA / testing, with strong hands-on manual testing.
    • Proven experience testing both web and mobile (iOS/Android) applications, including cross-browser and crossdevice testing.
    • Hands-on experience testing applications hosted on AWS cloud (e.g., EC2, S3, API Gateway, CloudWatch, RDS); comfortable validating cloud-based environments.
    • Experience testing microservices-based architectures, including service-to-service integration, API contracts and distributed workflows.
    • Experience testing multi-tenant (SaaS) applications, including tenant isolation, data segregation and role/permission validation.
    • Solid understanding of STLC, test-design techniques and the defect lifecycle.
    • Experience with API testing (Postman/Swagger) and basic SQL for data validation.
    • Familiar with test-management and defect-tracking tools (Jira, Xray, TestRail or similar).
    • Good English communication skills (reading, writing and speaking) for working with international clients.
    • Analytical thinking, attention to detail, strong ownership and a teamwork mindset.

Nice to have

    • Test-automation experience with tools such as Selenium, Playwright, Cypress, WebdriverIO or Appium.
    • Familiarity with CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI) and Agile/Scrum.
    • ISTQB certification (Foundation or above).
    • Experience in outsourcing / global-client environments.

Your Benefits from this position

    • Be part of a dynamic, international team.
    • Sponsorship for professional certification exams.
    • Flexible working hours (core time: 9:00 AM – 6:00 PM, Monday to Friday) and work from home policy.
    • Healthcare: Annual health check-up, Premium Health Insurance.
    • 12 annual leaves + holidays.
    • 13th-month salary.
    • Bonus for excellent project performance.
    • Year End Party (YEP), company trip, team building activities., happy hour.
    • Snacks, coffee, tea and soft drinks available in the office.
    • Marriage gift, sick leave support, funeral/maternity support.
    • Lunar New Year gifts.
    • Free parking, provided devices.

Contact us to apply