★Full-stack Engineer | Featured AI Company
- Japanese: Business Level Required
★Hybrid Work & Flextime
★Own Products/Services
★Global Environment
◆ Annual Salary： 7 million ～ 11 million yen.
-------------【About the company】-------------
The company leverages cutting-edge AI and data security technologies to solve challenges not only for its clients but across the entire industry. Its business spans data security centered around secure computing technologies—enabling safe data collaboration among multiple companies—along with data utilization support and AI design/development.
Aiming to realize a society where everyone can utilize data safely and freely, the company works to establish infrastructure for secure data sharing and utilization through secure computing technologies and AI design, while generating added value through AI.
■Products
① Database Secure Computing Software
A database-oriented secure computing software that encrypts data during processing—including analysis, search, and sharing—as well as transmission using secure computing technology. It enables the integration and analysis of highly confidential data across multiple companies.
② AI Secure Computing Software
An AI-oriented secure computing software that performs calculations while encrypting not only the data but also the AI model itself. It allows highly confidential data to undergo secure AI analysis on the cloud.
③ Secure Computing Package
A secure computing package designed to quickly establish environments for secure data integration and utilization on the cloud.
-------------【 Job Description】-------------
■ About the Company
Established in December 2016, the company operates businesses centered on "Securely Collecting Data" and "Transforming Data into Value."
The secure computing platform provided by the company enables data to be aggregated, analyzed, and processed by AI while remaining encrypted, contributing to secure data utilization both within group companies and across different organizations.
■Responsibilities
The technology stack varies depending on the project, but the following tasks are anticipated.
Implementation of the web service infrastructure for our proprietary secret computation products under development and for commissioned projects
Front-end development (React/TypeScript) / Back-end development (FastAPI/Python)
Data modeling and search infrastructure development using PostgreSQL/Qdrant/OpenSearch
Design and operation of LLM/RAG systems utilizing OpenAI and Azure OpenAI ecosystems
Implementation of a privacy-preserving machine learning inference pipeline using homomorphic encryption libraries (CKKS/TFHE, etc.)
Microservices operations using Docker/Kubernetes, CI/CD using GitHub Actions + Terraform
Member code review, test automation, performance monitoring
■Position Highlights
The appeal of this position is as follows:
（Roles may vary by team; you may work as a dedicated product developer or on a project-by-project basis.）
End-to-end responsibility for R&D and actual service development in cutting-edge fields such as secret computation and LLM-based services
Opportunity to work on both our proprietary SaaS products (ALCHEMISTA, ALCHEMISTA Labs) and project-based engagements targeting enterprises
AWS and Kubernetes-based modern cloud-native environment, full-stack setup using React + FastAPI (depending on the project)
Develop English skills and leadership in multinational, cross-functional teams
Implement services in direct collaboration with AI and encryption specialists.
■Technology Stack (EAGLYS Standard)
＜Category＞：＜Adopted Technology＞
Front-end
React / TypeScript / Vue.js
Back-end
Python (FastAPI, Flask)
Database
PostgreSQL / Qdrant / Redis
Search and Analysis
OpenSearch
Infrastructure
AWS (EKS, ECS Fargate, Lambda, RDS, S3, CloudFront) / Azure / Kubernetes / Docker / Terraform
ML / AI
OpenAI / Azure OpenAI / Hugging Face / Transformers
CI/CD
GitHub Actions / Argo CD
■Other
For core encryption technologies, we utilize either OSS or in-house libraries. Regarding implementation methods, they collaborate with specialized engineers to advance development.
-------------【 Requirements】-------------
■Required
5+ years of web application development experience（Front-end, Back-end）
React / TypeScript or similar SPA framework experience
Experience developing APIs using Python frameworks such as FastAPI
Experience with RDBMS (PostgreSQL) and Docker container operations
Experience with team development using Git/GitHub
Development experience with AWS (EKS/ECS, RDS, Lambda, etc.)
Experience in proactively communicating with clients
Business-level English and Business-level Japanese (N1 equivalent or above)
■Preferred
Microservices design and operations with Kubernetes
Experience with Vector DBs / Experience implementing full-text search engines
Experience with graph databases
Experience building RAG for LLM
Experience using homomorphic encryption libraries
CI/CD implementation experience
■Ideal Applicants
Someone with a desire to solve societal challenges using secure computing and AI technologies
Someone who takes ownership and can act autonomously to maximize product value
Someone who respects different areas of expertise and can communicate openly
Someone who is able to communicate closely, precisely, and proactively with clients
Someone with a strong desire to learn who can quickly grasp new technologies and share their knowledge
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【Working Time 】
Full-Flextime System
【 Welfare 】
1) How to work
・You can come to the office or work remotely, depending on the day.
・You can flexibly decide when to start and end your workday, as full-flexible working hours are available.
2) Life support
・Anniversary leave: Each employee can take special paid leave on important anniversaries.
・Sick Leave: In addition to annual paid leave, employees can take up to 5 days/year of special paid leave in the event of injury or illness.
・Some employees take maternity leave and childcare leave, allowing us to achieve a work-life balance.
3) Learning support
・If you wish, you can take English conversation lessons or Japanese lessons.
・Monthly subsidy for purchasing books up to 5,000 yen: You can freely purchase specialized books and business books.
・Seminar attendance subsidy system and a qualification acquisition subsidy system.
4) Others
・Full coverage of social insurance and medical checkups
・Childcare leave and nursing care leave
・Commuting allowance (maximum of 50,000 yen per month for commuter pass)
・VISA support
・No smoking indoors
【 Holiday 】
- 2 days a week (Saturday and Sunday)
- National Holidays
- Annual Paid Leave
- New Year Holiday
- Parental Leave
- Congratulations & Condolence Leave
- Summer Holiday
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