Junior QA Engineer — Mobile & Web Testing

OnSite Pte. Ltd.; Singapore; Remote; SGD 40,000 - 60,000; Full time

Job summary

OnSite Pte. Ltd. in Singapore is seeking a junior QA engineer to help test our mobile and web apps, investigate bugs, and keep releases reliable.

You’ll work closely with developers and product teams to validate features and ensure quality across platforms. You will manually test features and user flows, write clear bug reports with reproduction steps, run regression checks before releases, and use monitoring tools to help developers identify root causes.

Qualifications

• Must have strong attention to detail and a methodical approach to testing.
• Basic React Native knowledge and ability to read frontend code.
• Basic debugging skills, including inspecting network requests, error messages and logs.

Responsibilities

• Manually testing features, user flows, and fixes across mobile and web.
• Writing clear bug reports with reproduction steps, screenshots, and logs.
• Running regression checks before releases and verifying fixes.
• Using monitoring tools to investigate errors and help developers identify causes.

Skills

Attention to detail

Manual testing

React Native basics

Debugging

Written communication

Independent work

Tools

Sentry

AWS CloudWatch

Datadog

Grafana

New Relic

Job description

OnSite Pte. Ltd. in Singapore is seeking a junior QA engineer to help test our mobile and web apps, investigate bugs, and keep releases reliable.

You’ll work closely with developers and product teams to validate features and ensure quality across platforms. You will manually test features and user flows, write clear bug reports with reproduction steps, run regression checks before releases, and use monitoring tools to help developers identify root causes.