PayPay Corporation

Backend Engineer

PayPay Corporation

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇺🇸 United States

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Job Level

Mid-LevelSenior

Tech Stack

GoJavaNoSQLOpen SourcePythonScala

About the role

  • 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! Support the code you write in production.
  • Leverage AI/LLM-based tools for code development, reviews, testing, and documentation in daily workflows.

Requirements

  • 4+ years of experience in using Java 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 of English or Japanese.
  • Hands-on experience with AI/LLM tools (e.g., ChatGPT, GitHub Copilot, Gemini, CodeWhisperer, or similar) in professional software development.
Benefits
  • Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
  • 401K
  • Translation/Interpretation support
  • VISA sponsor + Relocation support

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
JavaScalaPythonGoNoSQL databasesdistributed cachedata structuresalgorithmsobject-oriented programmingconcurrency
Soft skills
problem solvingroot cause analysissupporting production codeability to learn new languages
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