1 ML Enginee （ 6-9 Million yen(Annual) ※presumed overtime_45h included ）

• Experience as an engineer in commercial-level system development (experience in building systems using ML)
• Python - Server development, infrastructure construction, and DB design experience
• SQL and database (DB) management knowledge
• Version control - Unix / multi-platform
• Experience in system design - Cloud (AWS)
• Business level of English

2 MLOps Platform Engineer Min 7,500,000 -Max 12,000,000 Japanese yen / year (Gross) ・5+ years building core infrastructure for ML projects ・3+ years of experience implementing AI/ML algorithms, refining and improving models, and integrating them into production services ・Experience in managing, designing, implementing and maintaining robust ML infrastructure to support development and inference workloads, ML workflows, training pipelines and versioning ・Experience building and scaling machine learning infrastructure ・Experience with AWS cloud services ・Experience with Kubernetes to deploy and manage containerized applications with high availability and performance ・Experience in running and scaling inference clusters ・Experience with TerraGrunt or TerraForm, IaC and CI/CD practices ・Comfortable taking over legacy projects for operation and maintenance ・Proficiency in programming (Python or Go) ・Excellent problem-solving skills and ability to work in a dynamic environment

3 Software Engineer (Backend Architecture) ・Software Engineer III Min 6,408,000 -Max 7,908,000 Japanese yen / year (Gross) ・Senior Software Engineer Min 6,900,000 -Max 10,008,000 Japanese yen / year(Gross) ・Bachelor of Science in Computer Science or comparable fields ・Experience in web application development and operation in Ruby on Rails (>3 years) ・Experience in team development using GitHub, CI, Lint, etc. ・Experience with software architecture and being able to apply concepts to existing applications Knowledge of SQL ・Basic project management skills such as requirements definition, planning, estimation, and more. (Scale is not a concern.)

4 Senior Software Engineer‗Cloud Invoice Issuing Min 6,900,000 -Max 11,004,000 Japanese yen / year (Gross ・3+ years of web application development experience using Rails ・Experience in maintenance, operation, and development of mission-critical web services and business systems ・Experience in managing and training other team members