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Salary
≈ $48k – $101k per year (Estimated)
Location
In office (Tokyo)
Seniority
Senior

Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Sep 4, 2026.

Overview
Company
Impact
Profile match
Shippio builds a cloud-based international trade and logistics platform that lets users track cargo vessels, manage quotations and orders, centrally store and share trade documents, and communicate with stakeholders via in-platform chat. The company promotes trade digital transformation by digitizing business processes and operational support to eliminate fragmented, telephone-game style communication and to create a shared information infrastructure across departments, locations and business partners. By aggregating and linking trade data across transportation, inventory and planning, Shippio enables end-to-end visibility and supports holistic optimization of supply chain operations.

Senior Full-Stack Engineer (Frontend Main)

Description

[Position description]

We are looking for a Fullstack Engineer with a strong focus on frontend development to join Shippio’s engineering team. In this role, you will primarily work on developing and improving our logistics platform using React, while also contributing to backend development with Ruby on Rails and GraphQL.You will work closely with product managers, designers, and other engineers to build intuitive, scalable, and reliable products that solve complex challenges in international logistics. Beyond implementation, we expect you to contribute to the engineering team through code reviews, technical discussions, architecture improvements, and mentoring junior engineers.

## Responsibilities

- Design, develop, and maintain frontend applications using React

- Build intuitive, scalable, and maintainable user interfaces for complex logistics workflows

- Collaborate closely with Product Managers, Designers, and Engineers to translate business and user requirements into high-quality product experiences

- Contribute to backend development using Ruby on Rails and GraphQL when necessary

- Design and integrate GraphQL APIs between frontend and backend systems

- Improve frontend architecture, code quality, performance, testing, and developer experience

- Write clean, maintainable, and well-tested code

- Conduct code reviews and provide constructive technical feedback

- Proactively identify technical challenges and drive improvements and solutions

- Mentor junior engineers and support their technical growth

- Contribute to technical decision-making, engineering standards, and best practices across the team

- Work effectively with cross-functional team members to deliver high-quality products

〈職務内容〉

- Reactを用いたフロントエンドアプリケーションの設計・開発・運用

- 複雑な物流業務を支える、直感的でスケーラブルかつ保守性の高いUIの設計・実装

- プロダクトマネージャー、デザイナー、エンジニアと連携し、ビジネス要件やユーザー要件を高品質なプロダクト体験へ落とし込む

- 必要に応じて、Ruby on RailsおよびGraphQLを用いたバックエンド開発にも携わる

- フロントエンドとバックエンドをつなぐGraphQL APIの設計・実装

- フロントエンドのアーキテクチャ、コード品質、パフォーマンス、テスト、開発者体験(Developer Experience)の継続的な改善

- 可読性・保守性・テスト容易性を意識した高品質なコードの実装

- コードレビューを通じた建設的なフィードバックと、チーム全体のコード品質向上への貢献

- 技術的な課題を主体的に発見し、改善策の提案から実行までをリード

- 若手エンジニアのメンタリングおよび技術的な成長のサポート

- チームの技術的な意思決定や開発標準、ベストプラクティスの策定・改善への貢献

- 職種を横断したチームメンバーと円滑に連携し、高品質なプロダクトを継続的に提供

Requirements

[Position description]

We are looking for a Fullstack Engineer with a strong focus on frontend development to join Shippio’s engineering team. In this role, you will primarily work on developing and improving our logistics platform using React, while also contributing to backend development with Ruby on Rails and GraphQL.You will work closely with product managers, designers, and other engineers to build intuitive, scalable, and reliable products that solve complex challenges in international logistics. Beyond implementation, we expect you to contribute to the engineering team through code reviews, technical discussions, architecture improvements, and mentoring junior engineers.

## Responsibilities

- Design, develop, and maintain frontend applications using React

- Build intuitive, scalable, and maintainable user interfaces for complex logistics workflows

- Collaborate closely with Product Managers, Designers, and Engineers to translate business and user requirements into high-quality product experiences

- Contribute to backend development using Ruby on Rails and GraphQL when necessary

- Design and integrate GraphQL APIs between frontend and backend systems

- Improve frontend architecture, code quality, performance, testing, and developer experience

- Write clean, maintainable, and well-tested code

- Conduct code reviews and provide constructive technical feedback

- Proactively identify technical challenges and drive improvements and solutions

- Mentor junior engineers and support their technical growth

- Contribute to technical decision-making, engineering standards, and best practices across the team

- Work effectively with cross-functional team members to deliver high-quality products

〈職務内容〉

- Reactを用いたフロントエンドアプリケーションの設計・開発・運用

- 複雑な物流業務を支える、直感的でスケーラブルかつ保守性の高いUIの設計・実装

- プロダクトマネージャー、デザイナー、エンジニアと連携し、ビジネス要件やユーザー要件を高品質なプロダクト体験へ落とし込む

- 必要に応じて、Ruby on RailsおよびGraphQLを用いたバックエンド開発にも携わる

- フロントエンドとバックエンドをつなぐGraphQL APIの設計・実装

- フロントエンドのアーキテクチャ、コード品質、パフォーマンス、テスト、開発者体験(Developer Experience)の継続的な改善

- 可読性・保守性・テスト容易性を意識した高品質なコードの実装

- コードレビューを通じた建設的なフィードバックと、チーム全体のコード品質向上への貢献

- 技術的な課題を主体的に発見し、改善策の提案から実行までをリード

- 若手エンジニアのメンタリングおよび技術的な成長のサポート

- チームの技術的な意思決定や開発標準、ベストプラクティスの策定・改善への貢献

- 職種を横断したチームメンバーと円滑に連携し、高品質なプロダクトを継続的に提供

Preferred Experiences

[Preferred skills]

・ Communication skills in Japanese are highly appreciated

・ Intellectually curious and eager to take on new challenges

・ Interested in working on Business to Business development by leveraging your own development experience

・ Able to approach products from a user-first perspective

・ Understand the back-end constraints and be able to design an API call

〈歓迎要件〉

・経験日本語で円滑なコミュニケーションができる方

・知的好奇心が旺盛で、新しいことに積極的にチャレンジできる方

・自身の開発経験を活かし、BtoB領域の開発に取り組むことに興味がある方

・ユーザーファーストの視点でプロダクトを考えられる方

・バックエンドの制約を理解したうえで、適切なAPIコールを設計できる方

We are looking for

・知的好奇心が旺盛で、新しいことにチャレンジしたいと考えている方

・自身の開発経験を活かしたBtoB開発に興味がある方

・ユーザーファーストの視点でプロダクト開発に取り組むことができる方

Working Conditions

Salary

詳細は面談・選考でお伝えします

Location

東京都港区芝浦一丁目1番1号

Job Type

正社員

Work hours

- 勤務時間

  • プロダクト・開発職種

・ 専門業務型裁量労働制

- 始業9:00、終業18:00を基本とし、従業員の決定に委ねる

- 休日・休暇

  • 年間休日120日以上、完全週休二日制(土日)各種休暇制度あり

(例) 年次有給休暇、リフレッシュ休暇、病気休暇、産前産後・育児に関する各種休暇、結婚・忌引休暇、など

Probation period

あり(6ヶ月)

Benefits

- 入社時引越補助

- 近距離住宅補助

- 語学学習補助、など

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