ITエンジニア（IT・Web・通信・ゲーム）/東京23区の転職求人一覧

[Role & Responsibilities]As a Full-Stack Web Developer, you will play a pivotal role in enhancing and expanding our flagship Order Management System. You'll collaborate closely with the UI/UX design team, implementing innovative frontend solutions and contributing to backend development. You'll be involved in the entire software development lifecycle, from design and implementation to deployment and maintenance. You will be empowered to propose and implement new solutions, shaping the future of our system.[Main tasks include]- Collaborate with UI designers to translate designs into high-quality, performant code.- Develop and maintain responsive UI components using Vue.js (or similar framework).- Design, develop, and implement new frontend features based on business requirements.- Propose innovative solutions and contribute to the team's technical direction.Share knowledge and mentor junior team members.- Contribute to backend development, fo

[Role & Responsibilities]You will be a key member of the engineering team, responsible for the design, development, and maintenance of our client's core PHP backend systems. You’ll guide and mentor junior engineers, contributing to system architecture and leading migration efforts to the latest Symfony version. You will also play a key role in ensuring the security and stability of their platform.[Main tasks include]- Lead and mentor a team of engineers- Design and implement robust PHP/Symfony backend services- Lead the migration from Symfony 4.4 to the latest version- Oversee the development and optimization of critical batch processes- Design, implement, and maintain high-performance RESTful APIs - Proactively identify and remediate security vulnerabilities- Collaborate on database schema design, migrations, and query optimization- Work with Kubernetes and containerized application environments- Enforce coding standards and conduct thoroug

[About the company]Our client is a leading technology company in Japan, providing a Kubernetes Container Platform supporting numerous services. They are committed to innovation and building a sustainable technology platform.[Role & Responsibilities]As a Golang Software/devOps Engineer, you will be a key player in the operation and development of our client's large-scale Kubernetes infrastructure. You will work closely with a team of experienced engineers to build and maintain the platform that powers many critical services. You will be responsible for both infrastructure management and software development using Go, contributing directly to the stability and scalability of a vital system. [Main tasks include]- Develop and implement solutions using Go for automated provisioning, upgrades, and self-healing of the Kubernetes cluster and nodes.- Manage and troubleshoot Kubernetes clusters, containers, and Linux infrastructure.- Handle alerts and

[About the company]Our client is a leading technology innovator, building a real-time analytics data platform that powers hundreds of services across e-commerce, fintech, digital content, and communications. They are dedicated to providing foundational insights into users, products, and markets, driven by a passion for engineering excellence and continuous improvement.[Role & Responsibilities]As a Senior Site Reliability Engineer specializing in their Analytics Platform team, you will be instrumental in ensuring the reliability, scalability, performance, and security of their core data infrastructure. You will drive architectural excellence and mentor a growing team, tackling complex distributed systems challenges and contributing to the optimization of large-scale data pipelines. You will also play a key role in migrating critical components to Google Cloud Platform (GCP), advocating for and implementing robust cloud security best practices

Our client is a forward-thinking technology company dedicated to providing robust internal cloud services. Role & Responsibilities:You will be a key player responsible for the operational excellence and continuous improvement of our client extensive Kubernetes Container Platform. This role involves ensuring the high availability, security, and performance of a complex infrastructure supporting over 100 clusters and 10,000+ nodes.Main tasks include:- Lead the creation, approval, and execution of operational procedures for node and cluster management.- Drive improvements in operational methods and documentation for enhanced efficiency and reliability.- Manage and resolve alerts and incidents, ensuring minimal disruption to services.- Implement and maintain security requirements through regular OS and middleware updates and patching.- Participate in on-call rotations, including late-night releases and monitoring.- Provide expert-level support f

・OpenAI APIやlangchainなどの大規模言語モデルやマルチモーダルモデルに関連したツールを駆使し、自律思考型エージェントプロダクトを形作る様々な機能を実現する。・RAGの検索精度、応答文の正確性を高めるための技術開発・マルチモーダルモデルを活用した音声対話機能の開発・生成AIの出力を評価する仕組み作り（LLM-as-a-Judge含む）・生成AIの出力を継続的に改善して運用を効率化する仕組み作り

・当社生成AIプロダクトの機能を活用した、お客様の業務自動化に向けたソリューションの設計・開発・初期検証（PoC）の課題設計と実行、成果の評価・レポート、本番開発に向けた一連のライクサイクルのリード・データ取得・処理・モデル推論のパイプライン構築やAIモデルのシステム組み込み・クラウド環境を活用した本番運用環境の構築支援・お客様との継続的な技術ディスカッションを通じた要件調整・仕様提案・導入後の技術的サポートや運用改善提案の実施#LI-Hybrid#LI-KN

As Senior Embedded Software Engineer for Robotics System Safety, you will develop embedded software for functional safety system. You will design several software components related to functional safety. And also you will develop SW architecture and system design to comply with the functional safety standard. And you will work closely with several development teams(hardware, software, robotics, and testing) to ensure designs are implemented, verified, and validated according to system requirements and safety targets.You will have the chance to play an important role from the beginning of the design phase for a product and see the whole process of how a new product is born.＜The ideal candidate must have demonstrable experience and expertise in＞・Real-Time Operating Systems, ideally in Zephyr and/or Linux.・C/C++.・Embedded Systems Design.ResponsibilitiesDevelopment of low-level functional safety framework on RTOS.Development of network communica

【FinTech企業】急成長中のFinTech企業で、データベース環境の構築・運用をリードするエキサイティングな役割！あなたのスキルと経験で、未来の決済インフラを支えませんか？【ご紹介する企業について】Randstadのクライアントは、革新的な決済サービスで市場をリードする急成長中のFinTech企業です。安定した基盤と挑戦的な環境で、あなたの能力を最大限に発揮できる場を提供します。【ポジション概要】オフライン決済サービスのデータベース環境における調整・改善、プロジェクトリードとして活躍します。MySQLとMariaDBを主なDBMSとして使用し、安定したサービス運用と更なる機能拡張を支える重要な役割を担います。エンジニアリング業務は行いませんが、データベースに関する深い知識と理解が求められます。【業務内容】・データベース環境の監視、チューニング、およびパフォーマンス改善・データベース関連プロジェクトの計画、実行、および管理・関係者との円滑なコミュニケーションと調整・技術ドキュメントの作成と維持・課題の特定と解決策の提案・チームメンバーへの指導とサポート