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Backend Engineer / バックエンドエンジニア (Core Banking & Product Features)

PayPay

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This role on the market

16 open features roles across 7 companies are on ApplySarthi right now.

What features roles keep asking for: Product management (69%), SQL (69%), AWS (19%), B2B (12%), Kubernetes (12%), Redis (12%) — counted across their open postings here.

Remote Backend Engineer jobs · AWS jobs · Confluence jobs · Docker jobs · Java jobs

PayPay has 82 open roles listed here.

Counted across 14 company job boards, updated as roles open and close.

Preparing for this interview

Interviews for features roles keep coming back to Product management, SQL, AWS, B2B. Practise those questions before you sit with PayPay.

Questions you are likely to be asked

  1. Why do you want to join PayPay?
  2. What is your experience with Java? Tell me one thing you learned the hard way.
  3. Walk me through a system you built. How was it designed, and what would you change now?
  4. Tell me about a hard bug you tracked down. How did you find the cause?
  5. How do you decide what to test, and what does good code review look like to you?

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About PayPay

PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries.

OUR VISION IS UNLIMITED_

We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion.
※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation.

2018年にサービスを開始してから約8年でユーザー数7500万人を突破したフィンテック企業であるPayPayは約50か国の国と地域から集まった多様なメンバーで構成されています。

OUR VISION IS UNLIMITED_

我々は自分たちの想像を超える未来を創るためにあえて明確なビジョンは必要ないと考えています。常にDay1であるスタンスを忘れずに、誰もが想像できないようなビジョン(未来)を実現していくのがPayPayです。
この壮大なビジョンに前向きに取り組み、他社に真似できない圧倒的なスピードでプロダクトを磨き上げ、日本のキャッシュレス決済、またそれを使用した金融ライフプラットフォームとしての普及を一気に推進することにプロフェッショナルとして情熱を持って取り組み、自ら課題発見し、周囲と協力して新しい価値創出を共に推進する仲間を募集します。

※ PayPay株式会社へご応募いただく際にはPayPayカード株式会社、PayPay証券株式会社へ併願応募はご遠慮いただいております。ご了承ください。

 
 

Job Description

About the Organization/Team・組織/チームについて

The team you will join is leading a full-scratch development project to renew our banking systems. 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.

※ After joining the company, you are expected to be seconded to PayPay Bank as a member of the above project.

配属先組織は、銀行システムリニューアルに関わるプロジェクトをフルスクラッチ開発で進めています。
自社エンジニアが中心となって、イチから企画・設計、さらにコーディングまで行います。新しい組織なため自分たちで開発ルールや環境を一緒に作り出すことができます。

※入社後に上記プロジェクトメンバーとしてPayPay銀行への出向を予定しています。

 

Background of Recruitment・募集の背景

With rapid business growth, the number of employees is also expanding rapidly, and strengthening the organizational structure for business growth is an urgent task.

事業成長に伴い、従業員数も急拡大しており、事業成長に向けた組織体制の強化が急務とされています。

 

Job Responsibilities・具体的な業務内容

 

Tech Stack

We select the best combination of tech at times.
| Spring Boot, JUnit, Resilience4j, Feign
| MySQL/AuoraDB, DynamoDB, ELK, Kafka, Redis
| Docker, Kubernetes, ArgoCD, AWS
| GitHub, Gradle, Maven, npm/yarn, Flyway
| PlantUML, draw.io, miro.com
| Slack, Zoom, Confluence, Jira

 

Attractiveness of This Position・本ポジションの魅力

 

Project Examples・プロジェクト事例

 

Required Experience/Skills・必要な経験/スキル

 

Preferred Qualifications/Skills・あると望ましい経験/スキル

 

Desired Candidate Profile・求める人物像

 

PayPay 5 senses

 

Related position in PayPay Group

 

Working Conditions 

Employment Status

Office Location

Work Hours

Holidays

Paid leave

Salary

Benefits

 

待遇・条件

雇用形態

勤務地

勤務時間

休日

休暇(法定休暇および会社福利厚生)

給与

ベネフィット


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Listed on greenhouse · posted 2026-03-27. ApplySarthi collects openings and links to application pages; the role is advertised by PayPay, not by us.