PayPay Securities is hiring a Backend Engineer / バックエンドエンジニア

PayPay Securities, as an important part of PayPay’s financial ecosystem, has launched “Point Management” with over 20 million users and “PayPay Asset Management, the first initiative in Japan that enables asset management on a payment application. Now that the business foundation of the financial ecosystem is finally in place, we intend to expand our business to change the structure of asset management in Japan, with the main target being those who have not yet started asset management or were not interested in it before. To achieve our goal, PayPay Securities is preparing to bring in technical talents not only from Japan but also globally, just as we have done with PayPay’s product division. As a Backend Engineer, you will be collaborating with engineers, designers and QAs, and working in an environment where you can be one of the founding members to build up a new organization within PayPay Securities. Highlights of the opportunity / ポジションの魅力: - Be part of the team to build up a new organization and environment - Develop skills in making business plans from a high perspective, through the high-level coordination with departments and affiliated companies within PayPay Group to support the top management’s decision - Gain experience in a company that aiming to be the pioneer in the market to provide a brand new Mobile Securities services, which never had before during the era of Financial reformation - Able to utilize PayPay’s services and user base - 新しい組織・環境を一緒に作り上げることができる点 - 経営トップの意思決定サポートや各部門・PayPayを始めとした関係会社とのハイレベルな調整を通じ、高い視点に立った企画立案能力を獲得することができる点 - 金融業界の変革期のなかで、これまでにない新しいモバイル証券サービスの提供を目指す当社において、業界の最前線にて業務経験を積むことができる点 - PayPayのサービス・ユーザー基盤を活用できる点 Responsibilities / 主な担当業務: - Develop and operate the Backend Application system for PayPay Securities product (PHP, Java, SpringBoot, Kotlin, MySQL/AuroraDB) - Design large scale systems with high complexity to support our high throughput applications - Understand how to leverage infrastructure for solving such large scale problems - Develop tools and contribute to open source wherever possible - Adopt problem solving as a way of life – always go to root cause! - PayPay証券プロダクトが接続するバックエンドアプリケーションの開発と運用（PHP、Java、SpringBoot、Kotlin, MySQL/AuroraDB） - 複雑性の高い大規模システムを設計し、高スループットのアプリケーションを提供する - システム課題を解決するためのインフラストラクチャの活用方法を理解し実装する - 可能な限りツールを開発し、またオープンソースに貢献する - 問題解決思考で行動し、常に根本原因を追求する Qualifications / 必要なスキル・経験 : - 3-5 experience in developing Backend Application for company products - Experience in using Java/PHP under professional environment, or if you are non-Java user, excellent skills in generalized programming languages, such as Scala, Python and Go. - Interest and ability to learn other coding languages as needed. - Experience with NoSQL databases and distributed cache. - Strong fundamentals in data structures, algorithms and object oriented programming - In-depth understanding of concurrency and distributed computing - Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development - Business level in either English or Japanese (JLPT N1) - 3~5年の自社プロダクトのバックエンド開発経験 - Java/PHPの実務経験。またはScala、Python、Goなどの一般的なプログラミング言語の優れたスキル 必要に応じて他のプログラミング言語を学ぶ興味を持っていること - NoSQLデータベースや分散キャッシュの使用経験 - データ構造、アルゴリズム、オブジェクト思考プログラミングの基礎を理解していること - 並列処理と分散コンピューティングを深く理解していること - 日本語（日本語能力試験N1同等レベル）もしくは英語ビジネスレベル Preferred Qualifications / あると望ましいスキル・経験: - Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients - Experience with AWS services - Experience in system design, development of web system which handles massive amount of transactions or requires scalability - Experience with Microservices - Experience in working for system development in securities, finance, or similar industries - Experience in developing inhouse Product/Service - RESTful API、Pub/Subシステム、データベースクライアントなどのプラットフォームコンポーネントの実装経験 - AWSサービスの利用経験 - システム設計、大量トランザクションを扱うアプリ/Webプロダクト、スケーラビリティを必要とするアプリ/Webプロダクトの開発経験 - マイクロサービスの経験 - 証券・金融業界での開発経験 - インハウスでの自社サービス運用経験 The ideal candidates at PayPay Securities / PayPay証券が求める人物像 - PayPay 5 senses