スマサテ株式会社
Open positions
Product Manager / プロダクトマネージャー
Product Manager at スマサテ (Sumasate), a Tokyo AI SaaS startup whose product instantly computes optimal rents and reports from 2B+ real-estate records. The PM will either launch new in-house products in pre-decided areas or explore markets/customer problems from scratch, owning discovery, planning, and post-launch improvement.
Lead Software Engineer / リードソフトウェアエンジニア
Lead Software Engineer at Sumasate, a Tokyo AI SaaS startup whose product computes optimal rents for rental properties from billions of real-estate records. The role strengthens in-house backend development of the AI rent-appraisal system (Ruby on Rails, Python/Django, AWS/GCP, MySQL, BigQuery), collaborates with external partners, and shapes product and dev-process direction. Hybrid: onsite Monda
バックエンドエンジニア（データ連携・基盤）
Backend engineer at Sumasate, an AI SaaS startup for rental-property rent estimation, building and operating the data integration platform: ingesting external APIs and files, normalizing data, and designing data models, databases, batch jobs, and APIs for stable product use. Hybrid Tokyo role (office Mondays, remote otherwise) with full-flex hours.