Backend Engineer
Posted 11 Jul 2025
Advertised as “Backend Engineer / バックエンドエンジニア (Core Banking System)”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 3–5 yrs
- Management level
- Individual contributor
- Employment
- Hybrid
- Contract
- Full-time
- Visa sponsorship
- Offered
No salary listed for this role.
CertificationsJLPT N1
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。
▼関連コンテンツ
【PayPayが仕掛ける金融革命】米国ナスダック上場は通過点／デジタル金融プラットフォームに進化／決済・投資・貯蓄・保険などすべてPayPay／内製でシステム開発する理由／グローバル標準の金融サービス
Job Description
About the Organization/Team・組織/チームについて
PayPay Bank is responsible for developing the financial infrastructure that supports the financial services of the PayPay Group.
Our team is driven by our in-house engineers, from the design and development of the core system to its operation.
Our role is not just to develop functions, but to:
- Evolve the system while maintaining high reliability
- Design an architecture that anticipates future service expansion
- Create the development organization and development process itself
Because it is a new organization, you can proactively participate in technology selection and the creation of development culture.
※ After joining the company, you are expected to be seconded to PayPay Bank as a member of the above project.