Backend Engineer at Mathpresso

At QANDA, we are driven by the mission to achieve educational equity through technology. We believe in providing resources and opportunities to those who need them most, regardless of their economic or regional background. Our goal is to build the world's leading K-12 education platform. With 90 million cumulative users and 8 million monthly active students, we are transforming how the world learns. From our AI-powered tutoring services to our new Gen AI-native platform, Cramify, we are constantly innovating to provide hyper-personalized learning experiences for students everywhere.

The role

We are looking for a Mid-Level Backend Engineer to join our Core Group on a full-time basis. You will work on-site at our office in Seoul to help us scale our global education services. This is a chance to work on a platform that serves millions of users, helping us evolve from a search-based tool into a comprehensive, AI-driven study ecosystem.

Core responsibilities

• Develop and maintain various application domains, including authentication, search, AI tutoring, Q&A, community features, payments, memberships, and advertising.
• Manage high-traffic systems that support 8 million monthly active users globally.
• Build and optimize services within a microservices architecture using cloud infrastructure like AWS and GCP.

Skills and experience

We are seeking candidates who are passionate about product development and eager to grow alongside our team. You should possess the following qualifications:

• At least 2 years of professional experience in backend engineering.
• Strong fundamentals in computer science.
• Proficiency in Kotlin or Java.
• Deep understanding of database management and design.
• Familiarity with cloud-based infrastructure such as AWS or GCP.
• Excellent logical and critical thinking skills to solve complex problems.
• Fluency in Korean.

Bonus points if you have experience designing scalable systems, working with LLM technologies, or managing data pipelines for AI-generated content.

Compensation and benefits

We provide a collaborative environment where we prioritize code quality through design and code reviews. Our team supports new members with a structured onboarding process, including a dedicated buddy and a 4-week checklist to ensure you settle in comfortably. We are committed to your professional growth and offer a culture that values transparency and logical problem-solving.

How to apply

If you are ready to help us innovate global education, please submit your resume in PDF format. Our hiring process consists of a document review, an initial video interview, and a final in-person interview. Please note that some positions may require a technical assignment or additional interviews. We look forward to reviewing your application and learning more about your experience.