モデル比較

```json{"job_title":"シニアバックエンドエンジニア","company_info":{"name":"株式会社テックイノベーション","address":"東京都渋谷区","establishment_year":2020,"funding_round":"シリーズB","funding_amount":"15億円"},"job_description":{"skill_required":{"name":"各種スキル","details":["Go言語での開発経験3年以上","RDBMSの設計・運用経験","RESTAPIの設計経験","Gitを用いたチーム開発経験"]},"skill_welcomed":{"name":"加わりたいスキル","details":["Kubernetes運用経験","gRPCの実務経験","大規模トラフィックの対応経験"]},"job_content":["自社SaaSプロダクトのバックエンド開発（Go言語）","マイクロサービスアーキテクチャの設計・実装","AWSインフラの構築・運用"]},"compensation":{"salary_range":{"min":"700万","max":"1,200万円"},"salary_range_text":"年収","employment_type":"正社員","employment_duration":"試用期間3ヶ月"},"work_location":{"address":"東京都渋谷区","work_from_home":"リモートワーク併用可","work_from_home_details":"週2出社","working_hours":"フレックスタイム制","core_hours":"11:00-15:00"},"benefits":{"social_insurance":true,"travel_allowance":true,"book_allowance":true,"conference_support":true,"stock_option_system":true},"application_deadline":{"type":"2025年4月30日"}}```

```json{"job_posting":{"urgency":"急募","title":"シニアバックエンドエンジニア","posting_deadline":"2025-04-30","company":{"name":"株式会社テックイノベーション","location":"東京都渋谷区","established_year":2020,"funding":{"stage":"シリーズB","amount":"15億円"}},"job_description":{"summary":"自社SaaSプロダクトのバックエンド開発","responsibilities":["自社SaaSプロダクトのバックエンド開発（Go言語）","マイクロサービスアーキテクチャの設計・実装","AWSインフラの構築・運用"]},"required_skills":[{"skill":"Go言語での開発経験","minimum_years":3},{"skill":"RDBMSの設計・運用経験","minimum_years":null},{"skill":"RESTAPIの設計経験","minimum_years":null},{"skill":"Gitを用いたチーム開発経験","minimum_years":null}],"preferred_skills":["Kubernetes運用経験","gRPCの実務経験","大規模トラフィックの対応経験"],"compensation":{"salary":{"min":7000000,"max":12000000,"currency":"JPY","type":"年収","note":"経験・スキルにより決定"}},"employment":{"type":"正社員","probation_period":{"duration":3,"unit":"ヶ月"}},"work_conditions":{"location":"東京都渋谷区","remote_work":{"available":true,"type":"併用（ハイブリッド）","office_days_per_week":2},"work_hours":{"type":"フレックスタイム制","core_time":{"start":"11:00","end":"15:00"}}},"benefits":["社会保険完備","交通費支給","書籍購入補助","カンファレンス参加支援","ストックオプション制度"],"technologies":["Go","AWS","マイクロサービス","RDBMS","RESTAPI","Git","Kubernetes","gRPC"]}}```

以下に構造化されたJSONデータを示します。```json{"job_posting":{"metadata":{"urgency":"急募","application_deadline":"2025-04-30"},"position":{"title":"シニアバックエンドエンジニア","type":"バックエンド開発"},"company":{"name":"株式会社テックイノベーション","location":{"prefecture":"東京都","city":"渋谷区"},"founded_year":2020,"funding":{"stage":"シリーズB","amount_jpy":1500000000,"amount_display":"15億円"}},"job_description":{"responsibilities":["自社SaaSプロダクトのバックエンド開発（Go言語）","マイクロサービスアーキテクチャの設計・実装","AWSインフラの構築・運用"]},"skills":{"required":[{"skill":"Go言語での開発経験","years_required":3,"condition":"以上"},{"skill":"RDBMSの設計・運用経験","years_required":null,"condition":null},{"skill":"RESTAPIの設計経験","years_required":null,"condition":null},{"skill":"Gitを用いたチーム開発経験","years_required":null,"condition":null}],"preferred":["Kubernetes運用経験","gRPCの実務経験","大規模トラフィックの対応経験"]},"compensation":{"salary":{"type":"年収","min_jpy":7000000,"max_jpy":12000000,"min_display":"700万円","max_display":"1,200万円","note":"経験・スキルにより決定"}},"employment":{"type":"正社員","probation_period":{"duration_months":3,"description":"試用期間"}},"work_conditions":{"location":{"primary":"東京都渋谷区","remote_work":{"available":true,"style":"リモートワーク併用可","office_days_per_week":2}},"working_hours":{"system":"フレックスタイム制","core_time":{"start":"11:00","end":"15:00"}}},"benefits":[{"category":"保険","detail":"社会保険完備"},{"category":"交通費","detail":"交通費支給"},{"category":"学習支援","detail":"書籍購入補助"},{"category":"学習支援","detail":"カンファレンス参加支援"},{"category":"株式報酬","detail":"ストックオプション制度あり"}]}}```##設計のポイント|観点|対応内容||------|----------||**数値の型変換**|給与・資金調達額を円単位の整数に変換しつつ、表示用文字列も保持||**日付の正規化**|締切日を`YYYY-MM-DD`形式に統一||**スキルの構造化**|必須スキルは年数条件を分離し、歓迎スキルは配列で管理||**nullの明示**|年数条件が不明なスキルは`null`で明示的に表現||**ネスト構造**|勤務地・リモート情報・コアタイムを階層的に整理||**福利厚生のカテゴリ化**|種別を`category`フィールドで分類し検索・集計を容易に|