|◤ Fully Remote Guaranteed (Nationwide) ◢| Web/App Engineer | Project Selection System | Side Jobs OK | 1 Interview | Experienced Candidates Only (SpringBoot, Laravel, Django, Next.js, Swift, Kotlin, etc.)English summary from Japanese

株式会社ＳｙｎＰｅａｋ

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Salary

460万円〜820万円

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

Freelance

Work Style

10:00～19:00

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Role summaryEnglish summary from Japanese

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

Develop web and mobile applications, from requirements gathering and design to implementation and release. Opportunities exist for PM or technical lead roles based on skills and preferences. This role offers 100% project selection and is fully remote nationwide.

Must-haves

Experience in web and mobile application development
Must be comfortable with remote work
Must be willing to select projects

Nice-to-haves

Experience in PM or technical lead roles
Experience with AI agents
Experience with EC app development
Experience with salon reservation systems
Experience with electronic medical records
Experience with surveillance camera systems
Experience with train arrival information apps
Experience with marriage hunting service apps
Experience with POS register apps

Tech stack

SpringBootLaravelDjangoNext.jsSwiftKotlinPythonTypeScriptGoLangChainCrewAIJavaRubyRuby on RailsPHPVue.jsC#.NET.NET (ASP.NET)Android JavaPlayDartFlutterReact

Work style

Fully remote, nationwide applications welcome. Side jobs are permitted.

Other notes

Housing allowance provided. Bonuses twice a year. 125 annual paid days off (complete two days off per week). Social insurance complete.

About the Company

株式会社ＳｙｎＰｅａｋ

Headquarters

東京都千代田区紀尾井町3-12 紀尾井町ビル11階

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Posted5/29/2026

Updated2026/05/29

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