Full-Stack Engineer | Annual Salary 8.08-15 Million JPY | Full Remote Possible | Rebuilding SaaS Handling Satellite, GIS, and Approx. 73 Million Real Estate Data | Design from PO and User Value, Build Technical Foundation and Development Organization After PMFEnglish summary from Japanese

株式会社WHERE

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Salary

808万円〜1500万円

Location

東京都, 神奈川県, 千葉県, 埼玉県, 大阪府, 兵庫県, 京都府, 愛知県, 北海道, 青森県, 岩手県, 宮城県, 秋田県, 山形県, 福島県, 茨城県, 栃木県, 群馬県, 新潟県, 富山県, 石川県, 福井県, 山梨県, 長野県, 岐阜県, 静岡県, 三重県, 滋賀県, 奈良県, 和歌山県, 鳥取県, 島根県, 岡山県, 広島県, 山口県, 徳島県, 香川県, 愛媛県, 高知県, 福岡県, 佐賀県, 長崎県, 熊本県, 大分県, 宮崎県, 鹿児島県, 沖縄県, フルリモート

Job Type

Full-time

Work Style

9:30～18:30

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Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Rebuild a SaaS platform handling satellite, GIS, and real estate data. You will design from product goals and user value, building the technical foundation and development organization. The platform is used by over 200 companies and is expanding rapidly.

Must-haves

Experience designing and developing API servers using Python and FastAPI
Experience with infrastructure as code using AWS CDK
Experience designing and operating scalable systems on ECS Fargate
Experience building and operating data infrastructure using PostgreSQL and Snowflake
Ability to judge the validity of designs and review AI-generated code and architecture
Experience in backend and infrastructure, with frontend development as needed

Nice-to-haves

Experience with frontend development using Next.js and TypeScript
Experience combining satellite, administrative, private, and real estate data
Experience improving storage, search, and display speed for large volumes of location data
Experience with continuous improvement of non-functional requirements (availability, performance, cost, operability)

About the Company

株式会社WHERE

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Posted8/20/2026

Updated2026/08/20

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Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Must-haves

Experience designing and developing API servers using Python and FastAPI
Experience with infrastructure as code using AWS CDK
Experience designing and operating scalable systems on ECS Fargate
Experience building and operating data infrastructure using PostgreSQL and Snowflake
Ability to judge the validity of designs and review AI-generated code and architecture
Experience in backend and infrastructure, with frontend development as needed

Nice-to-haves

Experience with frontend development using Next.js and TypeScript
Experience combining satellite, administrative, private, and real estate data
Experience improving storage, search, and display speed for large volumes of location data
Experience with continuous improvement of non-functional requirements (availability, performance, cost, operability)

Full-Stack Engineer | Annual Salary 8.08-15 Million JPY | Full Remote Possible | Rebuilding SaaS Handling Satellite, GIS, and Approx. 73 Million Real Estate Data | Design from PO and User Value, Build Technical Foundation and Development Organization After PMFEnglish summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

Full-Stack Engineer | Annual Salary 8.08-15 Million JPY | Full Remote Possible | Rebuilding SaaS Handling Satellite, GIS, and Approx. 73 Million Real Estate Data | Design from PO and User Value, Build Technical Foundation and Development Organization After PMFEnglish summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

Tech stack

Work style

Other notes