Mathematics QA Engineer

This position has been archived and is no longer accepting applications. It is kept here for reference; see our current openings for roles we are actively hiring for.

About the role

You will combine strong mathematical knowledge with rigorous QA practice, reviewing problem sets, solution steps, and grading logic for correctness, while working closely with curriculum and engineering teams to catch issues that a QA background alone would miss.

Key responsibilities

Verify the mathematical correctness of problems, solutions, and step-by-step explanations
Test adaptive learning and auto-grading logic for mathematical accuracy and edge cases
Design test plans that cover topic-specific edge cases across math domains and grade levels
Review new curriculum content before release for correctness and clarity
Document defects and work with curriculum and engineering teams on fixes
Build and maintain regression suites for math content and scoring behavior

Requirements

Strong mathematics background (degree in mathematics, math education, or equivalent experience)
3+ years of QA or testing experience, ideally on an educational or content-heavy product
Comfort reviewing problem sets and solution logic across multiple math topics and grade levels
Experience with manual and automated testing practices
Clear, precise written communication for documenting defects and edge cases
Fluent in both Korean and English
Able to work from the Incheon office 4 days per week