Tokyo, JP

Back-End Software Engineer

What you will be doing

You will work on the development of one of our B2B SaaS products.

Our tech stacks can be checked here.

Find out more about our products here.

Minimum Qualifications

  • Development experience on cloud infrastructure (AWS, Google Cloud Platform, Azure, etc)
  • Business level English (Japanese is NOT required)
  • Implementation experience of network server
  • Last but not least, fit with open source and hacker culture

Preferred Qualifications

  • BS, MS or Ph.D. in Computer Science or other related technical fields
  • Experience in software engineering, algorithms, problem-solving
  • Development experience in Python or Golang
  • Knowledge of Linux environments
  • Familiarity with TCP/IP and network programming

5 reasons why you will enjoy working at HENNGE

  1. HENNGE offers a diverse development team with people from over 10 different countries who love both technology and Japanese culture. Situated in the heart of metropolitan Tokyo, HENNGE offers a non-traditional Japanese experience working in Shibuya, one of the busiest and most exciting places in the world.
  2. HENNGE comprehensively supports your relocation and onboarding to Japan – from your visa all the way to private Japanese lessons.
  3. Work-life balance is highly valued at HENNGE, and lots of fun happens at our office! Weekly board game nights, 90+ social channels in our Slack, internal events, various seasonal in-house events, monthly technical sessions followed by beer bashes, attendance of international tech conferences, bi-weekly company-wide communication lunches, new business contests…
  4. Our CEO is our CTO and director of our product development teams. He is still keen on the latest technology and ensures we’re always on the bleeding edge. Having a leader who truly understands and is still involved in the tech side of the business makes for an exciting and supportive environment for engineers.
  5. Working in tight-knit autonomous teams will allow you to make influential decisions that will evolve our services further. Working in an agile manner will enable you to steer the future of all aspects of our products – from UX and architecture to development and deployment.

Work hours

10:00 – 19:00 with flextime (core hours between 11:00 – 16:00).

We also have a Work-from-Home policy.


Including national holidays, you will have around 30 days of paid leave. This includes a New Year’s holiday (Dec 29th – Jan 3rd), four days to be used during the summertime, and annual paid leave. We also separately provide the ability to take paid time off to care for a family member.


Bonus pay twice a year, health insurance, employment insurance, industrial injury insurance, welfare pension insurance, employee stock ownership plan and benefits for your important life events supporting various SOGI (Sexual Orientation and Gender Identity).

Financial support for technical learning programs and for various technical certifications.

Selection Process

  1. Solve our coding challenge and show us your coding skills.
  2. Interview with our engineers online and get to know each other.
  3. You may be asked to participate in a 2-3 days/2 weeks trial period on a case-by-case basis.
  4. Interview with our board members.


In a world of change, one thing has stayed constant since our founding in 1996 - HENNGE harnesses the power of transformative technology to make it accessible and secure for all. It’s a simple story, but one that drives us forward even to this day. Who are we? HENNGE is a B2B company based in Tokyo, Japan, and we are at the forefront of the changing workplace. Everyday HENNGE One, the number one cloud security service in Japan, enables customers to adopt flexible work environments and safely harness the power of the cloud from any location. With cloud security ensured, employees are free to focus on working smarter, improving quality and achieving business results. What is our vision? Our industry is forever evolving, and it’s HENNGE’s mission to allow our customers to effortlessly keep current with the latest technologies. By delivering solutions that provide customers with access to cutting-edge software and tech products, we enable them to do more and reach higher than ever before. Together with our customers, we strive to inspire change in the world through the liberation of technology. Tech teams at HENNGE Engineers at HENNGE love to explore new technologies. Working in tight-knit, autonomous teams, we enjoy bringing our hallmark - liberation of technology - to clients. Use of agile methodologies enables each of us to take an active part in directing the future of our products. UX, architecture, development and deployment - all aspects benefit from the HENNGE work style.