Senior Backend Engineer | Privacy Tech Startup

【 About the company 】

Develops support services for data utilization using privacy tech technology.
Provides AutoPrivacy, a service that builds a data clean room (an environment where data from multiple businesses is crossed and utilized while protecting privacy).
Development of Data Anonymizer, a service that automatically detects and masks personal information entered in ChatGPT prompts. (Beta version as of February 2024)
Development of support business related to the introduction of privacy-enhancing technologies (PETs) and the development of new services and products utilizing PETs.
Operates the PrivacyTech Institute, a website that disseminates information related to privacy tech.
With the mission of "Solving social issues with privacy tech," the company's purse is "Creating a discontinuous future, overwhelmingly.

【 Job Description】

The company is a privacy tech company with expertise in privacy protection technology and personal information.
The company has developed its own technology that combines mathematics, cryptography, and law, and provides the “AutoPrivacy DataCleanRoom,” a data cleanroom construction platform, and "AutoProvacy Governance", a privacy governance management tool.
"AutoPrivacy DataCleanRoom" enables secure and flexible data collaboration among multiple businesses by combining privacy-preserving technologies such as secret computation and federated learning. After a demonstration experiment with several partners, the service was launched in full scale in August 2023.

■Responsibilities
AutoPrivacy back-end design, development, and operation that can be scaled flexibly with business growth
Custom development and operation according to customer needs

■Technical Features of the Product
Privacy-preserving technologies (e.g., secret computation, differential privacy, federated learning) available in the cloud
Responsible for processing tens to hundreds of millions of table data per customer and data federation
High level of security required for large enterprises
Cross-cloud functionality that enables data integration across multiple clouds

■Development Environment
Product Development
Languages: 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 Kuberenetes Service, gRPC, GraphQL
R&D Core Technology Development
Languages: C++, Python, Julia
Environment: gRPC, Bazel
Common
CI: GitHub Actions
Monitoring infrastructure: Prometheus, Grafana, Loki, Thanos, Uptime Kuma
Environment: Docker Compose, Kubernetes, Docker, Terraform
Infrastructure: GCP, AWS, Azure, On-pre (in-house GPU environment)
Tools
Source code management: GitHub
Documentation: Notion, GitHub
Communication: Slack, Discord, Figma

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【 Working conditions 】

< Welfare >
Full Social Insurance
Telecommuting System

< Working hours >
Flextime System

< Holiday >
Saturday, Sunday, National holiday
Annual paid leave
New year holiday
Parental Leave
Special Paid Leave
Bereavement Leave
Summer Holiday

■Required
Experience in back-end development using statically typed languages (Go, Java, Rust, TypeScript, etc.)
Experience developing and operating web services using cloud infrastructure (AWS, GCP, Azure, etc.)
Experience in one or more of the following
Experience as a Tech Lead or Team Lead responsible for launching a web application for a service
Experience leading an organization at the engineering manager or higher level
Communication skills in Japanese: Business level or above

■Preferred
Experience in Go, Python, or C++ development
Experience in back-end development for products/systems that require fast and reliable processing of large amounts of data, such as ad technology and large-scale services
Experience in back-end development and operation for large companies that require a high level of security
Experience running container orchestration tools such as k8s in production
Experience with ISUCON awards
Knowledge of data warehousing, data cleanrooms, BI tools (and related products, SaaS development)
Experience leading organizational decision making as VP/CTO

■Ideal Applicants
Empathy with the values of Be Cool, Be Hacker
Looking for an environment where they can challenge themselves even more voraciously after having developed services for major companies before jumping into venture businesses and startups.
Willing to take on the challenge of developing products with a high degree of technical and business difficulty by utilizing your experience in both B2C and B2B service development.