Full Stack Engineer

Location Tokyo
Discipline Information Technology
Job type Permanent
Salary 7,000,000 to 10,000,000 JPY
Reference 34142


The employer is a startup in Japan that is backed by a highly successful global technology startup builder.  You will be engaged in two startup ventures that will be launched in multiple countries, starting with a payments platform.


  • Work on the development and localization of their global platforms for the Japanese market.

  • Help create a continuous product roadmap by working with key business stakeholders to understand business processes and explore how to solve problems with high-impact solutions.

  • Collaborate with sales, marketing, business development, design, analytics, and other functions to drive our business by adding value to the user experience while ensuring alignment with the overall product strategy.

  • Work closely with the central engineering team to build a scalable solution for Japan as we grow our business.

  • Help define metrics to measure the health and success of the product.

  • Identify and execute on opportunities for user engagement to optimize user experience on our products.

  • Help identify key levers to grow businesses using promotional mechanisms on the product.


  • 3+ years of experience in software development.

  • Proficiency with JavaScript (experience with React or Node.js is nice to have).

  • Experience with web and mobile consumer products.

  • Experience with Agile development methodology.

  • Able to thrive in a fast-paced and dynamic environment.

  • A passion for design excellence, usability & consumer appeal in products.

  • Fluent Japanese and business level English



  • An exciting opportunity to be part of the launch team to build new businesses in Japan from the ground-up, while being backed by global best practice models and support committed to localizing to succeed.

  • Responsibility from day one in a fast growing and global company committed to winning in Japan.

  • A vibrant and international team with deep entrepreneurial experiences, strong leadership and multicultural and diverse backgrounds.

  • A management team that recognizes top performers, welcomes inputs and ideas from all levels of the organization, and a culture of open communication and collaborative teamwork.

  • Competitive package, incentives, allowances, insurance, pension and more.



Contact Geoff Chen at geoff.chen@cornerstone.jp or 050-1752-4412