Tokyo Hitachi Digital Services
Our Company

We're Hitachi Digital Services, a global digital solutions and transformation business with a bold vision of our world's potential. We're people-centric and here to power good. Every day, we future-proof urban spaces, conserve natural resources, protect rainforests, and save lives.

This is a world where innovation, technology, and deep expertise come together to take our company and customers from what's now to what's next.

We make it happen through the power of acceleration.

Imagine the sheer breadth of talent it takes to bring a better tomorrow closer to today.

We don't expect you to 'fit' every requirement – your life experience, character, perspective, and passion for achieving great things in the world are equally as important to us.

The team


Hitachi Digital Services Japan, which is the HDS's Japan country office, is strengthening its offshore engineering services leveraging development centers in Vietnam and India, building a global delivery structure that combines high quality and cost competitiveness.

The role

Design, develop, and maintain mobile applications using Java and Kotlin.
Lead discussions on clean architecture, modularization, and codebase structure.
Develop and maintain design systems.
Create and review technical designs, architecture diagrams, and documentation.
Collaborate closely with offshore engineering teams in Vietnam.
Conduct code reviews and mentor junior developers.
Ensure application performance, quality, and maintainability.
Support Cloud and CI/CD environments.

What You'll Bring

Bachelor's degree with a major in software development, information technology or related fields.
Strong experience in Java and Kotlin for mobile application development.
Japanese speaking ability required (JLPT N1 or N2 level).
Solid understanding of clean architecture, design patterns, and scalable codebases.
Experience working with complex or large-scale mobile applications.
Strong communication, analytical thinking, and problem-solving skills.

Nice to Have

Experience with Swift (iOS development).
Knowledge of Cloud platforms (AWS, GCP, Azure).
Experience with CI/CD pipelines.
Experience in cross-platform or multi-OS mobile development.

About Us

We're a global, team of innovators. Together, we harness engineering excellence and passion to co-create meaningful solutions to complex challenges. We turn organizations into data-driven leaders that can make a positive impact on their industries and society. If you believe that innovation can bring a better tomorrow closer to today, this is the place for you.

Fostering innovation through diverse perspectives

Hitachi is a global company operating across a wide range of industries and regions.

One of the things that sets Hitachi apart is the diversity of our business and people, which drives our innovation and growth.

We are committed to building an inclusive culture based on mutual respect and merit-based systems. We believe that when people feel valued, heard, and safe to express themselves, they do their best work.

How We Look After You


We help take care of your today and tomorrow with industry-leading benefits, support, and services that look after your holistic health and wellbeing.

We're also champions of life balance and offer flexible arrangements that work for you (role and location dependent). We're always looking for new ways of working that bring out our best, which leads to unexpected ideas.

So here, you'll experience a sense of belonging, and discover autonomy, freedom, and ownership as you work alongside talented people you enjoy sharing knowledge with.


We're proud to say we're an equal opportunity employer and welcome all applicants for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, age, disability status or any other protected characteristic.

Should you need reasonable accommodations during the recruitment process, please let us know so that we can do our best to set you up for success.

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