Junior Quality Assurance Engineer at Castr

Junior Quality Assurance Engineer


Job Title: Junior Quality Assurance Engineer

Job type: Remote

Apply before: July 21th, 2025

Category: All Other Remote

Region: Anywhere in the World

Skills: Quality Assurance


About Castr:

7 years ago, we launched Castr – a one-stop SaaS broadcasting platform enabling everyone in the media industry to take their video content further. And today, we’re proud to say that we’re an established high-growth business with thousands of paying customers around the world. Being bootstrapped (not venture-backed) and fully remote, we don’t rush to grow too fast. Instead, we focus on slow, steady progress. We want to build a company that we’re proud of, where we enjoy working.


Key Responsibilities

  • Execute manual testing across web and mobile applications (iOS/Android) to identify and report issues.
  • Create and maintain detailed test cases, checklists, and testing documentation.
  • Perform functional, regression, and user acceptance testing to ensure product quality.
  • Verify proper integration between Frontend (FE) and Backend (BE) systems.
  • Document and track bugs using issue-tracking systems, ensuring timely resolution.
  • Work closely with developers and product managers, QA lead to resolve identified issues and enhance application performance.

Required Qualifications

  • 0-6 months of experience in software QA/QC testing.
  • Strong knowledge and hands-on experience testing web applications and mobile apps (iOS/Android).
  • Familiarity with test case management tools and bug-tracking systems.
  • Excellent attention to detail and problem-solving skills.
  • Strong verbal and written communication skills in English.
  • Ability to work independently and manage multiple testing priorities in a fast-paced environment.
Preferred Qualifications
  • Knowledge or experience with API testing.
  • Familiarity with Agile development methodologies.
  • Experience testing payment processing systems
  • Previous experience working in a startup environment.

Why Join Castr?
  • Work with a dynamic and innovative team in a fast-growing live-streaming industry.
  • Opportunity to grow and develop your career in a supportive and collaborative environment.
  • Competitive salary and benefits package.
  • Flexible work arrangements (remote).

How to Apply:

Interested and qualified candidates should click on ‘Apply now’ below.
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