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Job ID : 1584557 Date Updated : April 1st, 2026
Senior Java Engineer - Scalable Systems

JAVA Tech Lead【Industry Leading Company】

Location Tokyo - 23 Wards
Job Type Temporary
Salary Based on hourly rate

Job Description

This role leads the design, development, and operation of large‑scale backend systems, driving high‑quality feature delivery, technical decision‑making, and overall system architecture for highly trafficked web services. It requires senior‑level ownership of projects, troubleshooting in production environments, and guiding scalable, maintainable solutions while collaborating across teams in English.

Client Details

The company is a well-established, large organization in the retail industry, known for its innovative approach to technology and customer-focused solutions. It operates on a global scale, offering a collaborative and growth-oriented work environment.

Description

  • Lead the architecture, design, development, and operation of high‑traffic backend systems, leveraging 5+ years of technical lead experience to drive complex technical decisions.
  • Deliver scalable and maintainable features end‑to‑end-covering design, coding, testing, release, and production troubleshooting-with 5+ years of Java/Spring Boot and REST API development experience.
  • Oversee project execution, guide engineers, and ensure high‑quality output while managing system monitoring, incident investigation, and operational tasks.
  • Utilize strong hands‑on experience with relational databases, CI/CD pipelines, containerized environments (Docker/Kubernetes), and Linux-based development, along with business‑level English communication.

Job Offer

  • Complimentary meals provided at the cafeteria.
  • Opportunity to work on cutting-edge technology projects in the retail industry.
  • Collaborative work environment in a Tokyo-based location.

To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Serina Miyazono on +81 3 6627 6130.

General Requirements

Minimum Experience Level No experience
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level None
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

  • Demonstrates strong leadership in complex backend architecture, consistently making sound technical decisions and guiding teams toward scalable, high‑quality solutions.
  • Possesses deep hands‑on expertise with modern backend technologies (Java/Spring Boot, REST APIs, CI/CD, containers) and a proven ability to operate reliably in high‑traffic, production environments.
  • Communicates effectively in English, collaborates smoothly across functions, and proactively addresses challenges through data‑driven problem‑solving.
  • Shows ownership, adaptability, and a continuous improvement mindset, thriving in fast‑paced environments where reliability, performance, and system growth are top priorities.

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Temporary
Salary Based on hourly rate
Hourly Rate ¥4050 - ¥6050
Industry Internet, Web Services

Job Category