How to Apply for Software Engineer (Back-End) in South Korea 2026: Eligibility, Last Date & Preparation Guide
The Software Engineer (Back-End) at Toss is responsible for designing, developing, and maintaining critical backend services that power our core financial platform. You will work with modern technologies such as Java, Spring Boot, and microservices architecture to build scalable, highly reliable systems capable of handling massive transaction volumes. Key responsibilities include writing clean, efficient code, participating in architectural design discussions, optimizing database queries, and implementing robust testing strategies. The ideal candidate has strong expertise in backend development, experience with cloud services (e.g., AWS), and a passion for solving complex technical challenges within the fintech domain. This role requires continuous learning to keep pace with rapid industry advancements. This guide explains exactly how to apply for this tosscareers post in South Korea, the important dates, the test pattern, and a preparation strategy to score well.
About this job
Software Engineer (Back-End) is advertised by tosscareers (Seoul). This vacancy is based in South Korea. Before applying, read the official advertisement carefully and confirm the age limit, required degree, domicile, and experience, so that you apply only when you fully meet the eligibility.
How to apply step by step
First create an account on the official website of the relevant commission or department, then fill the application form exactly as written on your documents. Next, pay the prescribed fee through the bank challan or the online option, upload clear scans, and submit before the closing date. Keep the confirmation slip safe. The official apply link is available on the job details card below.
Important dates
Posted on: 29 June 2026. Always confirm dates from the official advertisement, because they can change. Do not wait for the last day, as submitting early is safer.
Test pattern and focus areas
The key topics for this recruitment test include Java, Spring Boot, Microservices, AWS. Most screening tests are MCQ based with a time limit, so understand the pattern and marks distribution first. Solving tosscareers past papers is the most effective preparation.
Preparation and scoring tips
Practise timed MCQs daily, keep a short note of wrong answers, and revise them. Solve easy questions first, avoid blind guessing where negative marking applies, and take a full mock test before the exam. Use the practice links below to start now.
People Also Ask (FAQs)
What is the last date to apply for Software Engineer (Back-End)?
The last date is given in the official advertisement; please confirm from the latest notification.
How should I prepare for the test?
Start with the syllabus and past papers, practise timed MCQs daily, and strengthen weak topics with revision. Free practice is available on PrepPro.
Is there negative marking in this test?
It varies by exam; always check the marking rules on the roll number slip and official instructions.