LINE新卒採用

Server-side

Member of teams that handle Web app development, API development, and back end system development for LINE services.
Develops and designs distributed systems and foundational platforms for the stable handling of large-scale data and traffic, and develops features provided directly to users.

Front-end

Member of teams that handle front-end development for all LINE services.
Develops front-end for a variety of web applications on different platforms, including those offered in regular web browsers on LINE’s WebView. Performs development work on SDK and frameworks.

Client

Member of teams that handle app development for LINE services on the iOS and Android platforms.
Works together with personnel and teams in charge of planning and design to develop features, fine-tune performance, improve builds, and improve UX.

System

Member of teams that handle the automation of the design, building, and management of infrastructure consisting of over 70 thousand physical servers.
Performs technological verification and cost optimization relating to the selection of hardware, such as storage devices, servers, and OS provisioning for large-scale infrastructure. Performs development work on tools related to server management, operation, and monitoring.

DB

Member of teams that handle operational management of RDBMS (MySQL、Oracle、SQL Server、Cubrid), NoSQL (Redis、MongoDB、HBase), and Hadoop used in LINE services. Involved in DBA activities for one of the largest scale environments in Japan, with 6,000 instances of MySQL and 10,000 instances of Redis. Additional DBRE duties include development work with Goland, Python, and PHP to improve productivity.

Network

Member of teams that handle network planning, design, building, and management for the large-scale networks used for LINE services and consisting of tens of thousands of servers.
Domain includes network devices such as routers, load balancing switches, and firewalls, as well as lines such as internet and exclusive lines.
Network types include server farms for data centers, domestic and international DCI networks, high-security private service networks, transit lines/IX/PNI, and more.
Involved in the testing of new products and technologies, and the development and management of network infrastructure management tools.

Cloud Platform（Verda）

Member of teams that handle the development of infrastructure provisioning and operation automation using software technologies and techniques for a cloud platform that seamlessly connects infrastructure and applications.
Involved in development and management of private cloud platforms making use of OpenStack and Kubernetes, and development work involving network control planes and data planes.

Security Assessment

Member of teams that handle improving security quality across LINE services.

Involved in Security Consulting, Code Auditing, Security Tests, and other activities in each stage of a service’s life, including planning, design, development, and management.

Security Operation Center (SOC)

We defend against cyber-attacks against LINE at forefront.
We are responsible for monitoring cyber-attacks against services and systems operated by LINE, and preventing them in real time after investigation and analysis.

Machine Learning ＆ Data course

Member of teams that handle feasibility study, data analysis, and development of machine learning algorithms, engines and systems, in an organization specialized in practical machine learning and data science.
One of the target domains are ML applications and solutions for individual services, such as content recommenders, filtering, user targeting. Besides that, ML platform development across multiple services is another area towards company-wide data utilization.

Data Scientist

Member of teams that handle data analysis with the goal of increasing the value of LINE’s services. Duties include contributing to important decision-making processes, proposing and implementing modern problem-solving measures, and testing and improving those measures.

Data Engineer

Data Engineer at LINE design, develop and maintain the data pipelines to make them efficient and reliable by utilizing the modern big data toolkit. Data Engineer keep improving data quality and accessibility to empower other engineers and Data Scientists to maximize the value of the data.

Data Management

Data Management is responsible for organizing LINE data to utilize safety and security. Within the department, roles are divided into 4 categories like Strategy, Offence, Defense, and System as well as maximizing the value of data exceeding hundreds of petabytes and contributing while maintaining overall balance.

Privacy

Member of teams that handle R&D into cutting-edge privacy-enhancing technologies for data use.
Aims to jointly maximize privacy and the value of data by developing applied technologies for LINE services and researching ways to implement systems such as differential privacy.

Voice

Member of teams that handle R&D into speech processing technologies.
Along with prototypes based on new tech, works on developing highly accurate speech recognition and expressive speech synthesis technologies for products such as a call answering service and a transcription app for meeting minutes.

NLP

Member of teams that handle R&D into the broad field of natural language processing (NLP).
Contributes to LINE's products by researching and developing top-notch underlying technologies and intellectual capital that are also all-purpose, finding a good balance between new and existing technologies to meet customers' needs.

Vision

Involved in R&D into computer vision technologies.
Creates services unique to LINE by blending the company's leading tech with underlying technologies such as image recognition/understanding/generation, large-scale vision and language models, point cloud processing, neural rendering, and human motion generation.

Trustworthy AI

Involved in R&D (detection, generation, evaluation, and countermeasures for adverse events in language models and other systems) that aims to address ethical issues of fairness, safety, and transparency in the fields of AI, machine learning, and data use.
In particular, helps LINE provide users with safe and secure AI services by developing ethical tests and tech that can resolve these challenges.