Software Engineering Specialist

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All selection processes will be conducted in Japanese.

Job Details

Software Engineering Specialist

Software Engineers participate in the design, development, and operation of LY Corporation’s services and the infrastructure systems that support them such as those for data management and ad serving. Additionally, they work to ensure the security of these services. This is an environment which will expose you to a wide range of technology stacks and provide many opportunities to grow as an engineer.

Server-side

Server-side Engineers are responsible for the development of web applications and back-end systems in addition to commonly used shared platform features, such as data management and operational environment infrastructure, that they depend on. Their work includes the development and design of features which are provided directly to users (ad delivery, authentication, video delivery etc.) as well as underlying platform components and distributed systems designed to securely handle large amounts of data with high throughput.

Front-end

Front-end Engineers are responsible for developing the front end of our services. This includes web applications on browsers and iOS/Android app WebViews, as well as building SDKs and frameworks and optimizing performance.

Client (iOS / Android)

Client Engineers are responsible for developing client applications for the iOS and Android platforms to support a variety of LY Corporation services. In collaboration with planning, design, and other organizations, the team performs tasks such as functional development, performance tuning, build improvement, and UX (User Experience) improvement.

Data Engineering

Data Engineers are responsible for designing, developing, and operating various data-related products to maximize the value of our services’ data. They leverage the latest big data technologies to achieve scalable and efficient data processing while continuously pursuing a modern data stack.

Machine Learning

This team is involved in development focused on machine learning. They contribute to the introduction and application of new technologies and service implementation as well as maintenance operations and continuous improvement of LY Corporation’s services. Machine Learning Engineers are responsible for providing advanced data analysis and machine learning solutions for each service, including search systems such as web search and product search, content recommendation and filtering, and user targeting. Additionally, they are involved in data utilization across services and developing machine learning platforms for the entire company.

Application and Job Summary

Requirements

We welcome those who can join us in 2027 (joining months are April and October). For visa purposes, applicants are required to have a degree in a relevant field. Since this is a new graduate position, only those without full-time working experience can apply for this role.
Work Location

We have introduced the “LY Corporation Working Style,” which combines office work and remote work.
By maintaining flexible work styles, we promote communication and collaboration across the organization and build a structure that enables us to stay agile and adapt quickly to change.

Initial Assigned Location
LY Corporation headquarters
Tokyo Garden Terrace Kioicho Kioi Tower, 1-3 Kioicho, Chiyoda-ku, Tokyo, 102-8282
- The rules and frequency of working at the office is different for each organization and job role.
- Commuting allowance to and from the office is provided for up to 150,000 JPY/month, which includes commuting by bullet train or airplane. Each month's commuting allowance will be paid in the following month according to the actual number of days you have commuted to the office.

For more details, please refer to our Work Environment page.
Work Hours

Flextime system (no core hours)
Standard work hours: 7 hours 45 minutes

Selection Information

Selection Process

  • Step1

    Application

  • Step2

    Coding Test

  • Step3

    Interview(s)

  • Step4

    Offer

All selection processes will be conducted in Japanese.
Apply

All selection processes will be conducted in Japanese.

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