Job title: Senior Backend Engineer - (Kotlin)
Job type: Permanent
Emp type: Full-time
Industry: Information Technology / IT
Salary: Negotiable
Location: tokyo
Job published: 2025-01-22
Job ID: 58622

Job Description

Job Opportunity with a FinTech Company in Japan!

(Applicants must be in Japan)

 

■ Senior Backend Engineer (Kotlin)

 

 

■ Company Overview

A top financial technology (fintech) company in Japan who provide B2C and B2B services to the Japanese market.

 

 

■ Your Role and Responsibilities 

● Design, develop, and maintain high-performance backend systems with Kotlin or Java
● Engage in collaborative efforts with cross-functional teams to conceptualize, architect, implement new features that enhance our SaaS offerings.
● Understand existing features and define the best short, medium and long term strategy to migrate or re-architect systems to support our SaaS platform’s growth 
● Design and implement robust and maintainable APIs that support both internal and external integrations.

 

 

■ Experience and Qualifications

● 5+ years of hands-on experience in designing, developing, Kotlin or Java technologies.
● Experience with design, development, and operation of service-oriented or microservices architecture, demonstrating an understanding of scalable and modular architecture.
● Proficiency in tuning middleware components, including database optimization and performance improvement strategies.
● Flexibility and adaptability to work with diverse technology stacks, with motivation to learn technologies like Ruby on Rails, Frontend frameworks and others in order to optimize our new systems.
● Hands-on experience with test design, creation, and operation using documentation or testing tools like JUnit, Kotest, RSpec, Jest, etc.

 

■ Additional Preferred Qualifications

  • Familiarity with Ruby, Ruby on Rails, React or Vue.js.
  • Experience in SaaS product
  • Experience working with Scrum and Agile development methodologies, contributing to efficient and collaborative project delivery.

■ Good Reasons to Join

  • Work with International team 
  • Hybrid working style and Flexible working hours
  • English speaking position, No Japanese proficiency is required. However, Interest in learning Japanese is a plus

 

 

 

Details will be provided during the meeting.