Senior Software Engineer (Go)

  • Tokyo
  • Partial Remote
  • Full-time
  • November 30, 2022
6,500,000 - 10,000,000 JPY /yr
Apply from Japan Only
No relocation to Japan
(No visa sponsorship from overseas)
Language Requirements
Japanese: Not Required 👍
English: Business Level
Minimum Experience
Senior or above


HENNGE is a leading cloud-based security provider in Japan. We deliver an additional security layer to companies which move their operations to the cloud. Our service HENNGE One has over 70% of market share in Microsoft 365/Google Workspace targeted cloud security service in Japan. We are growing fast and are a listed company on the Tokyo Stock Exchange. 

As part of the engineering team, you will be responsible for building cloud-security solutions used by thousands of enterprise companies. Our flagship product, HENNGE One, provides functionalities ranging from access control, email filtering, online storage, and email archiving. We focus on implementing state-of-the-art security functionalities, ensuring SLA 99.9% in distributed fault-tolerant deployment, and providing the best user experience to our customers.

We’re currently looking for a senior Go engineer to join our fast-paced growing team.



  • Design, develop, and maintain innovative features based on business needs
  • Design scalable and fault-tolerant architecture in a distributed cloud deployment
  • Ensure high quality deliverables by maintaining CI/CD, writing solid tests, and concise documentation
  • Improve team synergy and mentor junior engineers
  • Communicate with Design, Product Management and Customer Success teams



Minimum Qualifications

  • 3 years of experience with Go backend development
  • Strong background building scalable web applications in Go
  • Ability to mentor junior engineers and work collaboratively in a team environment
  • Experience with cloud infrastructure, such as AWS, GCP, or Azure
  • Ability to automate deployments via CI/CD pipelines
  • Understand the importance of clean code and software documentation
  • Business level English (Japanese is NOT required)
  • Fit with open source and hacker culture


Nice to have

  • Experience building large-scale distributed systems
  • Deep experience with AWS
  • Knowledge of security-related concepts and technologies
  • Deep knowledge of Linux environment
  • Degree in Computer Science or other related technical field
  • Team leadership experience



  • Flexible working hours
  • Work from home available
  • Insurance: Health, Employment, Industrial Injury, Welfare pension
  • Employee Stock Ownership Plan
  • Supporting Sexual Orientation and Gender Identity
  • Opportunities to attend international and domestic conferences
  • Financial support for technical certifications and technical learning programs


【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. Located 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. Work-life balance is highly valued at HENNGE, and lots of fun happens at our office! Weekly board game nights, seasonal in-house events, monthly technical sessions, attendance of international tech conferences, new business contests, and many more.
  3. Having a CEO as CTO, we are driven to continuously explore and develop the latest technologies.

      Learn more about our company culture here


【Selection Process】

  1. Solve our coding challenge
  2. Upload your CV and Cover Letter
  3. Casual interview with our HR
  4. 2 (or 3) interviews with our engineers
  5. Interview with our CEO

Have more questions? FAQ 


主には、クラウドサービスのセキュリティレベルを引き上げる「HENNGE One」などの自社サービスやITコンサルティングサービスを提供しています。

HENNGE One はMicrosoft 365、Google Workspace、Box、LINE WORKSなど複数のクラウドサービスへのセキュアなアクセスとシングルサインオンを実現するSaaS認証基盤です。IP制限、デバイス証明書、セキュアブラウザ、パスワードレス認証、多要素認証(MFA)など豊富な認証機能で利便性と安全性のバランスのとれたセキュリティサービスを提供します。



View HENNGE's company page

Search jobs from HENNGE in Japan
Senior Software Engineer (Go) at HENNGE
APPLY NOW  ➜🇯🇵 Residents Only