Backend Enginee (New Bank Project)

PayPay

PayPay logo
Tokyo
正社員
給与応相談
ハイブリッドミドル・シニア
海外からの応募可
言語要件 日本語: ビジネスレベル 英語: 基礎レベル

技術スタック

JavaAWS

Description

About the Organization/Team

The assigned organization is primarily advancing projects related to a next-generation core banking system. Our in-house engineers take the lead in planning, designing, and even coding the core banking system and business logic from scratch. As it's a new organization, you can collectively help create the development rules and environment.

Job Responsibilities

  • Development and operation of backend applications related to the new core banking system
  • Designing and developing for both performance and stability to maintain high reliability as a financial platform
  • Understanding and implementing how to utilize infrastructure to solve system challenges
  • Designing architecture based on application requirements and selecting middleware, etc.
  • Performance tuning, monitoring settings, and alert response for microservices

Attractiveness of This Position

  • Gain experience from the design to the introduction of a next-generation core banking system
  • Opportunity to collaboratively build a new organization and environment
  • Acquire high-level planning and proposal capabilities through supporting top management's decision-making and high-level coordination with various departments and affiliated companies, including PayPay
  • Gain frontline work experience in the industry at a company aiming to provide unprecedented financial services during a transformative period in the financial industry
  • Ability to leverage PayPay's service and user base

Required Experience/Skills

  • 3-5 years of backend development experience
  • Practical experience in C or Java. Excellent skills in other common programming languages
  • Understanding of data structures, algorithms, and the basics of object-oriented programming
  • Schema design in DB (RDB, NoSQL, etc.) and efficient query creation
  • Experience in web application development and tuning, and development with security considerations
  • Japanese (Native or equivalent to JLPT N1 or N2 proficiency)

Desired Experience/Skills

  • Development experience in the financial industry
  • Experience implementing platform components such as RESTful API, Pub/Sub systems, database clients
  • Development experience using AWS services
  • Experience in system design, developing applications/web products handling large transactions, and applications/web products requiring scalability
  • Development experience in both C and Java
  • Experience with microservices
  • English (Business level conversational proficiency)
掲載日: 2026/01/03

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企業情報

PayPay logo

PayPay

1001-2000名

関連求人

No Japanese RequiredHybridBackend
Tokyo
HybridFull-time
JavaScriptTypeScriptVue.jsReactAWS
Backend Enginee (New Bank Project) at PayPay | JapanTechCareers