Backend Engineer

P
PayPayFinTech
United States, JapanFull-TimeMiddle
Salary not disclosed
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Job Details

Languages
English, Japanese
Experience
4+ years
Required Skills
AWSBackend DevelopmentDockerSoftware DevelopmentArtificial IntelligenceDynamoDBGCPJavaJenkinsKafkaKibanaKotlinKubernetesMySQLSpring BootRedisSparkRESTful APIsMicroservicesProblem SolvingScala

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.

Responsibilities

  • Design large-scale systems with high complexity
  • Understand how to leverage infrastructure for solving large-scale problems
  • Develop tools and contribute to open source
  • 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
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