Software Engineer(Data Management & Analytics Services) / Data Platform

求人概要 / Role and Responsibility
■ About the department
LINE Corp is a provider of its renowned messaging service and a wide range of other services, including finance, content and AI, to our hundreds of millions of global users. These services generate large amounts of data every day, resulting in LINE accumulating over 250 petabytes of data. As stated in "LINE STYLE," which defines the LINE practice and mindset, we take an “always data-driven” approach and leverage data as an asset across the company.
The Data Platform Department aims to democratize data and develop robust machine learning pipelines. To this end, the department offers a platform that can leverage an enormous amount of data efficiently to drive service growth while also helping engineers, service planners, and marketers to capitalize on it.

■ About the job
You will be working as part of the IU Dev Team of the Data Platform Department. The IU Dev Team develops tools and services for data analysts to effectively use data. These services are provided to the internal users mainly via web interface.

■ Products you will work on developing
・Data Catalog:
a system for searching and managing business / technical meta data
a notebook tool that works like Apache Zeppelin to access Spark and Presto

・API development:
 - REST API to manage permissions using Ranger
 - REST API for HDFS, object storage, etc.
 - REST API for Presto, Hive, etc.
 - REST API for Hive metastore

■ Tools / Development environments:
・Hadoop ecosystem
・HDFS, Kafka, Flink, Elasticsearch, Hive, Presto, and Spark

■ Reference information
A story of introducing data lineage into LINE's large-scale data platform
Developing a Data Catalog to Promote Data Usage on the Data Platform
Flink@Data Platform - Ingestion Pipeline Redesign and Auto-scaling
応募資格 / Qualifications
■ Required experience and skills
・Business-level Japanese proficiency (JLPT N2)
・Experience developing in Java for 1+ year
・Experience operating / building a web application

■ Preferred experience and skills
・Understanding of computer science fundamentals including algorithm, data structure, database, and network
・Skills to design / develop a system taking performance and maintainability into consideration
・Experience developing / operating a system in a Linux / Unix environment
・Communication skills required to work with other stakeholders and complete development together
・Experience developing / operating a microservices architecture
・Knowledge of JVM, GC, etc.
・Working knowledge of or experience using Apache Spark
・Contribution to an OSS project

■ Ideal candidate
・Interested in the data engineering field
・Eager to learn new knowledge and skills
勤務地 / Location
〒160-0004 東京都新宿区四谷1-6-1四谷タワー23F
雇用形態 / Employment type
勤務時間 / Working hours
専門業務型裁量労働制(1日の労働時間に関わらず1日9.5時間労働したものとみなします。)、フレックスタイム制(コアタイム 11:00~16:00)、10:00~18:30(実働7時間30分)のいずれか適用 ※面接後に決定
待遇・福利厚生 / Benefits
■休日 / 休暇

 - 年俸の12分の1を毎月支給。
 - 別途、インセンティブプラン有(※1)
・諸手当:交通費支給(会社規定による)、LINE Pay Card Benefit Plan(※2)




 - 四谷オフィス、南新宿オフィス、大崎オフィス

※当社はオフィス勤務と在宅勤務を組み合わせた、より効率的に高いパフォーマンスを発揮し続ける新しい働き方「LINE Hybrid Working Style」を採用しています。


■LINEに興味がある / マッチする職種があれば提案してほしい方はこちら