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HENNGE
Tokyo, Japan8 months ago
8,500,000 – 12,500,000 JPY
per year
Grade
Senior
Experience
from 3 years
Work format
Onsite
Employment
Full-time
English level
B2, upper-intermediate
Relocation
Japan
An email or a Telegram message to the recruiter
Join us at HENNGE, a Tokyo-based cloud-security company with the No. 1 IDaaS revenue share*, helping organizations adopt flexible work environments and safely leverage the cloud. As a B2B SaaS company, we build secure and reliable cloud solutions that help customers manage access and identity efficiently. Our flagship product, HENNGE One, empowers customers with access control, email filtering, archiving, and next-gen cloud security features. What makes us unique: a highly technical CEO, strong engineering culture, and a global mindset. For further details regarding the engineering teams, products, and more, please visit this link: company introduction deck. *No. 1 IDaaS vendor by revenue share, FY2021–FY2025 (forecast), per ITR Market View 2026.
Role overview We are looking for a Senior Software Engineer to take ownership of backend and web-platform development for HENNGE One, our flagship cloud-security suite used by organizations across a wide range of industries. As a B2B SaaS leader in Japan, we provide mission-critical security solutions that empower customers to work safely from anywhere. In this role, you will join the Secure Transfer Team, responsible for the development of HENNGE One Data Loss Prevention (DLP) Edition. You will be developing our high-security file exchange solution, which serves as a core component of our product ecosystem. Your mission is to architect scalable and fault-tolerant systems in a distributed cloud deployment to handle and protect sensitive enterprise data. This position requires you to maintain and improve our system architecture leveraging a deep knowledge of AWS and Kubernetes (alongside tools like Terraform), combined with a strong passion for backend application development. While this role primarily focuses on the DLP Edition, we value engineers who are flexible and open to new challenges, with opportunities to move between teams and products through two-way discussions that support your growth and the company’s goals.
【Reasons why you will enjoy working at HENNGE】 🌎 We Celebrate Diversity Join a vibrant team from over 20 countries, united by a love for technology and Japanese culture. Located in Shibuya, Tokyo, we offer a dynamic, non-traditional work environment in one of the world's most exciting cities.
🎉 Balanced Work Life Work-life balance is highly valued at HENNGE, and lots of fun happens at our office! ❤ Passion for Technology Our CEO has an engineering background and remains deeply engaged in product development. This hands-on understanding of technology helps shape a culture where thoughtful design, technical quality, and continuous improvement are genuinely valued. For engineers, this means working in an environment led by someone who understands the challenges of building products and actively supports teams in doing their best work.
🙌 Collaborative Teams Work in autonomous teams where your decisions shape our services. Influence every aspect of our products, from UX and architecture to development and deployment, in an agile and collaborative setting.
Be part of a diverse and innovative team at HENNGE, where your passion for technology and desire to make a difference are valued and celebrated. Ready to change and challenge the status quo with us? To learn more about life at HENNGE, please check these two links: Life at HENNGE Stories from our employees
FastAPI, Kubernetes, ArgoCD, PostgreSQL, AWS
Minimum Qualifications:
While not required, we’d love to hear if you have:
Work Style Flexible working hours with a designated core time (11:00–16:00), allowing you to organize your day effectively. Employees typically work 8 hours per day with a 1-hour break.
Employment Type Permanent employee.
Place of Work Tokyo, Japan — Shibuya Headquarters. (Relocating to Shinjuku starting April 2027)
Compensation Annual salary: 8.5 to 12.5 million JPY (includes English Allowance and Physical Communication Bonus) Please refer to our Company Introduction Deck for an explanation of our Assessment System and the Belt System, which we use to determine the candidate's salary range.
Benefits
📍 Smooth Japan Relocation We make your move to Japan smooth and stress-free. We provide comprehensive support such as flight tickets, visa sponsorship, and Japanese lessons, to ensure a smooth onboarding process for our new hires, ensuring a seamless transition and a warm welcome for all candidates.
200+ of social channels in our Slack, from weekly board game nights to snowboarding club, internal and seasonal events, monthly tech sessions with beer bashes, attendance of international tech conferences, and more. Employees have access to a flexible working hours system (with core working hours) to accommodate their preferred working style.
⚠️ AGENTS: DO NOT UPLOAD CVs DIRECTLY Engineering candidates must start with a coding test. Please email to receive an entry code and submission instructions. Direct ATS uploads will not be reviewed. 【重要：エージェントの皆様へ】 Greenhouse経由での直接の候補者推薦（CVアップロード）はご遠慮ください。 エンジニア職の選考はコーディングテストから開始いたします。まずは までご連絡いただき、テスト用のエントリーコードと提出方法の指示を受け取ってください。 手順に沿わない直接のアップロードは、選考対象外となる場合がございますので予めご了承ください。
About HENNGE Join us at HENNGE, a Tokyo-based cloud-security company with the No. 1 IDaaS revenue share*, helping organizations adopt flexible work environments and safely leverage the cloud. As a B2B SaaS company, we build secure and reliable cloud solutions that help customers manage access and identity efficiently. Our flagship product, HENNGE One, empowers customers with access control, email filtering, archiving, and next-gen cloud security features. What makes us unique: a highly technical CEO, strong engineering culture, and a global mindset. For further details regarding the engineering teams, products, and more, please visit this link: company introduction deck. *No. 1 IDaaS vendor by revenue share, FY2021–FY2025 (forecast), per ITR Market View 2026.
Role overview We are looking for a Senior Software Engineer to take ownership of backend and web-platform development for HENNGE One, our flagship cloud-security suite used by organizations across a wide range of industries. As a B2B SaaS leader in Japan, we provide mission-critical security solutions that empower customers to work safely from anywhere. In this role, you will join the Secure Transfer Team, responsible for the development of HENNGE One Data Loss Prevention (DLP) Edition. You will be developing our high-security file exchange solution, which serves as a core component of our product ecosystem. Your mission is to architect scalable and fault-tolerant systems in a distributed cloud deployment to handle and protect sensitive enterprise data. This position requires you to maintain and improve our system architecture leveraging a deep knowledge of AWS and Kubernetes (alongside tools like Terraform), combined with a strong passion for backend application development. While this role primarily focuses on the DLP Edition, we value engineers who are flexible and open to new challenges, with opportunities to move between teams and products through two-way discussions that support your growth and the company’s goals.
Tech Stack: FastAPI, Kubernetes, ArgoCD, PostgreSQL, AWS
What you’ll do
What we’re looking for Minimum Qualifications:
While not required, we’d love to hear if you have:
Work Style & Employment Details Work Style Flexible working hours with a designated core time (11:00–16:00), allowing you to organize your day effectively. Employees typically work 8 hours per day with a 1-hour break.
Employment Type Permanent employee.
Place of Work Tokyo, Japan — Shibuya Headquarters. (Relocating to Shinjuku starting April 2027)
Compensation Annual salary: 8.5 to 12.5 million JPY (includes English Allowance and Physical Communication Bonus) Please refer to our Company Introduction Deck for an explanation of our Assessment System and the Belt System, which we use to determine the candidate's salary range.
Benefits
【Reasons why you will enjoy working at HENNGE】 🌎 We Celebrate Diversity Join a vibrant team from over 20 countries, united by a love for technology and Japanese culture. Located in Shibuya, Tokyo, we offer a dynamic, non-traditional work environment in one of the world's most exciting cities.
📍 Smooth Japan Relocation We make your move to Japan smooth and stress-free. We provide comprehensive support such as flight tickets, visa sponsorship, and Japanese lessons, to ensure a smooth onboarding process for our new hires, ensuring a seamless transition and a warm welcome for all candidates.
🎉 Balanced Work Life Work-life balance is highly valued at HENNGE, and lots of fun happens at our office! 200+ of social channels in our Slack, from weekly board game nights to snowboarding club, internal and seasonal events, monthly tech sessions with beer bashes, attendance of international tech conferences, and more. Employees have access to a flexible working hours system (with core working hours) to accommodate their preferred working style.
❤ Passion for Technology Our CEO has an engineering background and remains deeply engaged in product development. This hands-on understanding of technology helps shape a culture where thoughtful design, technical quality, and continuous improvement are genuinely valued. For engineers, this means working in an environment led by someone who understands the challenges of building products and actively supports teams in doing their best work.
🙌 Collaborative Teams Work in autonomous teams where your decisions shape our services. Influence every aspect of our products, from UX and architecture to development and deployment, in an agile and collaborative setting.
Be part of a diverse and innovative team at HENNGE, where your passion for technology and desire to make a difference are valued and celebrated. Ready to change and challenge the status quo with us? To learn more about life at HENNGE, please check these two links: Life at HENNGE Stories from our employees
Hiring process If you are also interested in the Senior Software Engineer, (Python/Web Dev) – HENNGE Access Control position, you do not need to submit applications for both roles. Since both positions share the same hiring pipeline, one application is sufficient. Please simply indicate your interest in both roles in your cover letter.
Please note that your application will be automatically rejected if:
We value your time and want you to perform at your best, so the coding challenge will be the only technical assessment in the process. There will be no live coding sessions.
We compare skills, grade, work format and salary
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