IT分野プログラミング＆開発のItの求人

We are seeking a talented C# Developer to join a thriving team in the retail industry. This position, based in Tokyo, focuses on designing, developing, and implementing software solutions to support business operations.

Join a mission-critical platform team supporting order management systems used by millions of merchants. You will lead design, improvements, and operations while collaborating closely with internal stakeholders in Japan.

Join a leading international financial services environment as a Java Developer, where you will design, build, and maintain enterprise-grade applications supporting critical business functions.

Join a global technology team enhancing ServiceNow-based risk and compliance solutions across multiple regions. This role combines hands-on platform engineering with stakeholder collaboration to deliver reliable, scalable IRM and TPRM capabilities.

Join a growing mobile team building a high-impact personal finance application within a large digital services ecosystem. You will lead core design decisions, develop robust iOS features, and drive quality through modern engineering practices.

Javaを中心としたインテグレーションアーキテクチャの設計・指針策定を担い、開発者への技術的ガイダンスを提供するポジションです。

他のソリューションアーキテクトと連携しながら、クライアントと共にインターフェース主導の技術ソリューションを設計します。

検索スキーマ設計や検索エンジン活用の支援、Pythonを用いた検索サポートシステム開発を担当するポジションです。大規模データや検索基盤に関わりながら、最新技術を活用してシステム改善や最適化に貢献できます。

This role is for an Application Engineer who designs, develops, and maintains high-quality, scalable systems using modern technologies, Agile practices, and strong coding standards. It also requires close collaboration with remote teams, leveraging AI tools and DevOps processes to continuously improve delivery and system performance.

Seeking a Senior Frontend Engineer to design, build, and maintain consumer-facing web applications using modern technologies like JavaScript and React. The role covers end-to-end development, performance optimization, system operations, and proactive problem-solving in an English-speaking environment.

大規模サービスを支える検索サポートシステムの開発に携わるポジションです。
検索スキーマ設計や検索エンジン活用の支援を通じて、実務を通したスキル成長が期待できます。

AIを活用したプラットフォームの新規機能開発・改善を、構想からリリースまで一気通貫で担うエンジニアポジションです。

高トラフィック環境下でのスケーラブルな設計と、プロダクトの0→1開発の両立に挑戦します。

We are hiring a senior DevOps engineer to design and enhance an internal developer platform that enables fast, reliable delivery of high-quality e-commerce services. The role focuses on building scalable infrastructure, automating CI/CD workflows, and improving developer experience through collaboration, tooling, and continuous optimization.

This role offers the opportunity to design, build, and operate large‑scale advertising platforms within a high‑impact digital business. You will take technical ownership across the full development lifecycle while collaborating with diverse, international engineering teams.

This role focuses on building and evolving backend microservices for large‑scale e‑commerce platforms. You will take ownership of core systems that support customer rewards, order delivery logic, and high‑volume transactions.

大手クライアント向けのDX／AIプロジェクトにおいて、AIフルスタックエンジニアとして設計・開発・運用を一貫して担います。

LLMやベクトルデータを活用したAIアプリケーションを実装し、実業務に定着するプロダクトへと磨き上げていく役割です。

Develop and maintain high-performance backend microservices for an e-commerce platform, building new features and services that enhance customer value while handling large-scale traffic and data volumes. Collaborate with engineering teams to improve productivity, drive system ownership, and promote a culture of innovation, quality, and reliable service delivery.

This role leads front-end basic design and technical decision-making for a large-scale consumer e-commerce marketplace used by millions. You'll translate UI/UX vision into performant, maintainable React/TypeScript experiences while driving reliability, monitoring, and continuous improvement.

This role focuses on developing and operating front-end services for a large-scale online marketplace used by a broad consumer base. You will contribute across the full development lifecycle while improving performance, quality, and user experience.

Join a global-scale payment platform team as a senior, hands-on engineer who leads basic design and delivers production-grade Java services end-to-end. You'll bridge architectural intent and day-to-day implementation, raising engineering quality through clear guidelines, strong reviews, and practical mentorship.

Join a backend-focused team responsible for critical checkout services, including order data creation and cart data persistence. You will lead design through operations for high-traffic Java-based APIs, consumers, and batch systems that power a large online marketplace.

We are seeking a talented iOS Developer to join a fast-paced retail technology team in Tokyo. This temporary role offers a unique opportunity to work on cutting-edge mobile applications in a dynamic and innovative environment.

This role is for a Senior Backend Engineer responsible for designing, developing, and operating high-scale APIs and backend systems that handle critical cart and order data.

You will lead technical efforts, ensure system reliability, and collaborate across functions to deliver high-performance, maintainable solutions.

This role focuses on developing and enhancing mission‑criticalmission‑critical trading and portfolio management systems using modern C++. You will collaborate closely with quantitative and trading teams in a fully English‑speakingEnglish‑speaking workplace, with no Japanese language requirement

Design, build, and maintain scalable full-stack applications while ensuring high code quality, robust architecture, and adherence to modern development best practices. Lead technical initiatives, contribute to system design, and drive Agile delivery across cloud-native and event-driven environments.

バックエンドエンジニアとして、サーバーサイドの設計・開発を中心に、堅牢でスケーラブルなシステム構築を担います。

新規事業のPoCやMVP開発にも関与し、プロダクト成長を技術面から支える役割です。

Join a forward-thinking retail technology department as an iOS Developer, where you'll contribute to designing and developing innovative mobile applications. This temporary position in Tokyo offers an exciting opportunity to showcase your expertise in iOS development while working on impactful projects.

This is an exciting opportunity for a skilled Java Developer to contribute to innovative projects in the technology and telecoms industry. Based in Tokyo, the role requires expertise in Java programming and fluency in both Japanese and English to collaborate effectively across teams.

本ポジションでは、リードAIエンジニアとしてAIソリューションの設計・開発を主導し、社内外のステークホルダーと連携しながらプロジェクトを推進します。

最新技術の調査・適用を通じて、実務に即したAI活用を実現し、ビジネス価値の最大化に貢献していただきます。

This is an exciting opportunity to contribute to innovative projects in the Technology & Telecoms industry. Based in Tokyo, the role focuses on creating seamless user interfaces and enhancing user experiences.

We are seeking a highly skilled Senior Java professional to join a leading financial services company in Tokyo. The ideal candidate will leverage their technical expertise to deliver innovative solutions within the technology department.