Back End Developer Opportunity

build+ (formerly wahl+case) company

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Back End Developer in JAPAN

Remote 3 months ago
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experience level
ExperienceMid-Senior level
employment status
Job typeFull-time

Backend Engineer – Scalable Payment Systems ( full remote )

We're hiring a backend engineer to help build high-performance payment infrastructure that delivers fast and reliable experiences to millions of users.

Responsibilities:

  • Design and build scalable backend systems for high-throughput applications
  • Work with cloud infrastructure to optimize performance and reliability
  • Own your code from development through production support
  • Contribute to tooling and open-source projects where relevant

Tech Stack Highlights:

Java / Kotlin / Scala, Spring Boot, Kafka, Redis, MySQL, DynamoDB, Docker, Kubernetes, AWS, GCP, GitHub, Jenkins, BigQuery

Requirements:

  • 3+ years of Java experience
  • Solid grasp of algorithms, data structures, and OOP
  • Experience with NoSQL and distributed caching
  • Understanding of concurrency and distributed systems
  • Proficiency in English and Japanese ( business level )

Nice to Have:

  • Experience with APIs, pub/sub, AWS services, or financial systems
  • Familiarity with microservices and high-scale architectures

Apply now
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jaabz logo
build+ (formerly wahl+case)
Skills
data structures java scala nosql mysql redis spring boot dynamodb gcp oop kubernetes aws docker jenkins microservices kafka cloud kotlin
Industries
financial services

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