Appealing Points
- Take on a technical leadership role, driving modern engineering practices (Agile, DevOps, CI/CD) while mentoring junior engineers
- Work hands-on with cutting-edge cloud-native technologies (AWS, Kubernetes, Docker) and microservices architecture
- Flexible employment options — both contract and permanent placement available, with a hybrid work model
Annual Salary: ¥7 Million and above
Job Responsibilities
Software Development & System Design
- Design, develop, and maintain robust, scalable, and high-performance applications
- Implement trunk-based development practices to enable continuous integration and rapid delivery
- Develop clean, maintainable, and testable code following SOLID principles and software design best practices
- Ensure high levels of unit test coverage, test-driven development (TDD), and behavior-driven development (BDD)
- Actively contribute to hands-on coding, code reviews, and refactoring to maintain high engineering standards
Engineering Excellence & Best Practices
- Drive the adoption of modern engineering ways of working, including Agile, DevOps, and CI/CD
- Advocate for automated testing, infrastructure as code, and continuous monitoring to enhance software reliability
- Apply BDD, TDD, and unit testing to ensure code quality and functionality
- Conduct thorough code reviews, ensuring adherence to best practices in readability, performance, and security
- Implement and enforce secure coding practices, performing vulnerability assessments and ensuring compliance with security standards
- Collaborate effectively in agile environments, embracing DevOps principles and fostering continuous delivery and improvement
Technical Leadership & Collaboration
- Partner with architects, product owners, and cross-functional teams to design scalable and distributed systems
- Mentor junior engineers and foster a culture of engineering excellence and continuous learning
- Collaborate closely with DevOps teams to optimize deployments, observability, and production resilience
- Lead technical discussions and contribute to design documentation
Required Qualifications
- Strong hands-on experience in Java; working knowledge of C++ is a plus
- Deep expertise in system design and microservices architecture
- Experience with trunk-based development, feature flags, and progressive delivery strategies
- Proficiency in TDD, BDD, and an automation-first mindset to ensure high test coverage and reliability
- Strong understanding of CI/CD pipelines and DevOps practices
- Experience conducting code reviews, vulnerability assessments, and secure coding
- Familiarity with modern cloud-native technologies (AWS, Kubernetes, Docker)
- Excellent problem-solving skills and ability to work in fast-paced, agile environments
- Strong communication and collaboration skills
- Mandatory skill: Full Stack Java (Enterprise)
Preferred Qualifications
- Experience with event-driven architecture and distributed systems
- Knowledge of performance tuning, observability, and production monitoring
- Familiarity with Agile frameworks and modern ways of working in product development
Language Required - Business level Japanese (N2 and above) and Business level English
About Company
A leading global information technology, consulting, and business process services company. We harness the power of cognitive computing, hyper-automation, robotics, cloud, analytics, and emerging technologies to help our clients adapt to the digital world and make them successful. A company recognized globally for its comprehensive portfolio of services, a strong commitment to sustainability, and good corporate citizenship, we have over 160,000 dedicated employees serving clients across six continents. Together, we discover ideas and connect the dots to build a better and bold new future.
[Measures against passive smoking]
No smoking indoors allowed
Designated smoking area
. Skillset Required: Agile, DevOps, CI/CD, Java, C++, System Design, Microservices Architecture, Trunk-based Development, Feature Flags, Progressive Delivery, TDD, BDD, Automation, CI/CD Pipelines, Code Reviews, Vulnerability Assessments, Secure Coding Practices, AWS, Kubernetes, Docker, Problem-solving, Communication, Collaboration, Full Stack Java, Event-driven Architecture, Distributed Systems, Performance Tuning, Observability, Production Monitoring, Agile Frameworks, Business level Japanese, Business level English
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