Backend Engineer(DevOps/SRE)

  • Remote OK - Anywhere in Japan
  • Full-time
  • March 19, 2024
6,000,000 - 15,000,000 JPY /yr
Apply from Japan Only
No relocation to Japan
(No visa sponsorship from overseas)
Language Requirements
Japanese: Business Level
English: Business Level
Minimum Experience
Junior or above


Acompany is a privacy tech company well-versed in privacy protection technologies and personal information.

We has independently developed technologies that combine mathematics, cryptography, and law, and offers "AutoPrivacy," a data clean room construction platform, as a service to businesses holding large-scale data, including major domestic companies.

Through "AutoPrivacy," it enables safe and flexible data collaboration between multiple businesses by integrating privacy protection technologies such as secure computation and federated learning. After conducting pilot tests with multiple partner companies, it began offering full-scale services in August 2023.


Technical Features of the Product

  • Privacy protection technologies (such as secure computation, differential privacy, and federated learning) are available in the cloud.
  • Capable of processing and coordinating table data ranging from tens of millions to hundreds of millions of records per customer.
  • Advanced security levels required by major corporations.
  • Highly flexible workflow and permission management features.


Technical environment

  • Product development
    • Language: C++, Go, Python, TypeScript, React, Next.js
    • Environment: FastAPI, Hasura, PostgreSQL, Argo Workflow, Google Compute Engine, Google Kubernetes Engine, Cloud Run, Google App Engine, Cloud SQL, AWS EC2, AWS Fargate, Azure VM, Azure Kubernetes Service, gRPC, GraphQL
  • Core technology development(R&D)
    • Language: C++, Python, Julia
    • Environment: gRPC, Bazel
  • Infrastructure
    • CI: GitHub Actions
    • Monitoring Platform: Prometheus, Grafana, Loki, Thanos, Uptime Kuma
    • Environment Configuration: Docker Compose, Kubernetes, Docker, Terraform
    • Infrastructure: GCP, AWS, Azure, On-premises (in-house GPU environment)
  • Other tools
    • Source Code Management: GitHub
    • Documentation: Notion, GitHub
    • Communication: Slack, Discord, Figma


Job Descriptions

  • You will be responsible for the following tasks in the construction and operation of the data clean room platform "AutoPrivacy":
    • Reducing toil through automation and efficiency improvements in infrastructure construction and operation, with a focus on Infrastructure as Code (IaC).
    • Designing, building, and operating the foundational infrastructure for deploying privacy protection technology modules, CI/CD pipelines, and monitoring systems.
    • Designing and implementing strategies for improving and maintaining product reliability and enhancing security.
    • Enhancing the developer experience through the introduction of policies, the setup of automated testing environments, and acceleration of builds.
  • In addition, you will be responsible for the following tasks in relation to customization for large-scale implementations:
    • Developing mechanisms to minimize delivery costs associated with the additional company-specific environments that arise from customization.


Required Skills


  • Practical experience as a DevOps engineer or SRE.
  • Experience in developing web applications.
  • Experience in operating cloud infrastructure.
  • Business-level Japanese communication skills.



  • Experience in backend development for products/systems that require processing large amounts of data with high speed and reliability, such as in ad technology or large-scale services.
  • Experience in backend development and operation that meets the high security standards required by major corporations.
  • Experience in running container orchestration tools, such as Kubernetes, in production.
  • Award-winning experience in ISUCON (a programming contest focused on improving system performance).
  • Knowledge of data warehouses, data clean rooms, BI tools, and related products or SaaS development.


Ideal Candidate Profile

  • Individuals who resonate with the values of "Be Cool, Be Hacker."
  • Those who have transitioned from developing services for major corporations to working in ventures or startups, but are still seeking an environment where they can challenge themselves even more.
  • Individuals who want to leverage their experience in both B2C and B2B service development to tackle technically and business-wise challenging product development.


The Appeal of the Job

Entering a Phase that Accelerates Business Growth!

The foundation of our business in terms of core technology, capital, and customer base is becoming solidified.

  • Success in inventing and modularizing core technology through R&D
  • Completion of fundraising totaling 790 million yen through Series A shares + loans
  • Successful customer acquisition of major companies such as Hakuhodo and CTC

Privacy protection is indispensable for data collaboration between companies, and the larger the company, the more interest they have shown in our AutoPrivacy. Right now, initial market needs are emerging, and our product is starting to grow.

Would you like to join us in tackling the market for privacy protection and data collaboration?


Customize Your Work Style with Full Remote & Flex!

Members are thriving from Hokkaido in the north to Okinawa in the south, all working fully remotely.

With a flex system that allows for flexible working hours from 5 AM to 10 PM, except for the core time from 1 PM to 4 PM, it has become easier to balance work with family and hobbies.

Except for once every four months (three times a year) when we align the company's direction at an offsite meeting, full remote work is possible.

Acompany is a privacy tech company that specializes in technology and risk analysis concerning privacy.

The privacy tech in which Acompany excels includes technologies designed to protect individual privacy, such as enabling computations on encrypted data. We offer a service called "AutoPrivacy", which is a Data Clean Room service.

View Acompany's company page

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Backend Engineer(DevOps/SRE) at Acompany
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