120 Contract Information technology jobs found in 東京23区, 東京都

社名社名非公開職種ITプロジェクトマネージャー業務内容Hiring for Project Manager, who can take care of multiple small scale project or 1 large scale project.1. Communicate with BU to discuss the requirement and make a proposal and kick off the project.2. Make a detailed schedule and execution plan.3. Execute the project and perform monitoring.4. Provide the status of project on regular frequency to different stakeholders.5. Manage Project Risk and issues and work on mitigation plan

社名社名非公開職種社内SE、情報システム業務内容Hybrid & Good WLBInternational environmentGood working location求められる経験- 5 years of experience in retail systems operation.- Proven experience in managing new store projects, including timelines, budgets, and personnel.- Experience in collaborating with business users and IT teams to design and implement systems and processes.- Experience in vendor management and service delivery management.- Fluent in Japanese and Chinese (written a

社名社名非公開職種ITプロジェクトマネージャー業務内容[About the company]Our client is a forward-thinking organization in the IT industry, committed to innovation and providing cutting-edge infrastructure solutions. They foster a collaborative and supportive work environment where employees are empowered to contribute their expertise and make a real difference.[Role & Responsibilities]You will be responsible for the successful planning, execution, and completion of IT infrastructure

社名社名非公開職種システム開発（Web・オープン・モバイル系）業務内容English only OK!Three times meals in the Office!International environment; Foreigner Friendly !求められる経験必須スキル：Frontendエンジニア・フロントエンドエンジニアまたは類似の職種での５年以上の実務経験・3年以上の開発リーダーまたはチームリードの経験・HTML5、CSS3、JavaScript（ES6＋）を含む最新のフロントエンド技術に精通していること・スケーラブルで保守性の高いアプリケーションを構築するためのTypeScriptの豊富な経験・３年以上のReact.jsにおけるフロントエンドフレームワーク／ライブラリの専門知識・レスポンシブデザイン、クロスブラウザ互換性、Webアクセシビリティ（WCAG）に関する深い理解・SASS、LESSなどのCSSプリプロセッサやCSS-in-JSソリューションに関する知識・Gitなどのバージョン管

社名社名非公開職種ITプロジェクトマネージャー業務内容Hybrid & Good WLBInternational environmentGood working location求められる経験- Excellent communication skills in Japanese and English.- Minimum of 2 years experience in project management.- Proactive approach and ability to manage multiple priorities.- Strong analytical and problem-solving skills.- Eagerness to learn and develop project management expertise.- Strong organizational skills and attention to detail.- Experience with digital

社名社名非公開職種システム開発（組み込み・ファームウェア・制御系）業務内容Hybrid WorkInternational Environment求められる経験- 5+ years of experience in iOS app development using Swift.- Proven experience with SwiftUI and dependency injection frameworks (e.g., Swinject).- Experience with Core Data, Realm, or other local persistence frameworks.- Strong understanding of RESTful APIs and experience consuming them (e.g., Alamofire/URLSession).- Experience with common mobile architectural patterns (e.g.,

社名社名非公開職種社内SE、情報システム業務内容Hybrid & Good WLBInternational environmentGood working location求められる経験- Native fluency in Korean and business english level- Experience with e-commerce platforms and understanding of their general functionality.- Knowledge of Order Management Systems (OMS) and data flow principles.- Familiarity with customer journey mapping and online retail processes.- Excellent communication and coordination skills.- Ability to work effectively in

社名社名非公開職種システム開発（組み込み・ファームウェア・制御系）業務内容フレクッスタイムインターナショナル環境求められる経験- 4+ years of professional experience as a backend or full-stack engineer.- Strong expertise with Laravel and PHP (OOP, MVC, Eloquent ORM).- Solid understanding of database design and optimization (MySQL).- Experience building RESTful APIs and handling authentication and authorization flows.- Familiarity with Git and Agile development processes.- Business-level English proficiency.- Experience

社名社名非公開職種通信インフラ設計・構築（キャリア・ISP系）業務内容International EnvironmentHybrid求められる経験- 5+ years of experience as an SRE, DevOps, or Systems Engineer.- Hands-on AWS experience deploying and managing production workloads.- Strong knowledge of Terraform and infrastructure as code practices.- Familiarity with CI/CD pipelines and DevOps workflows.- Experience with Linux environments and containerization (Docker).- Understanding of network fundamentals and cloud security be

社名社名非公開職種システム開発（Web・オープン・モバイル系）業務内容Work on cutting-edge data platforms such as Databricks and Data Mesh, contributing to the core infrastructure powering enterprise-wide data usage.Highly technical full-stack role with opportunities to build both frontend and backend systems using Node.js, Python/Rust, AWS, and modern DevOps practices.Hybrid and global working environment, collaborating with international teams while enjoying flexible work arrangements in

社名社名非公開職種通信インフラ設計・構築（キャリア・ISP系）業務内容公共NW案件の“一連の流れ”をフルで経験できる希少な立ち位置PM系資格・公共案件経験を「実績」として積み上げやすい今後の官公庁・公共系案件で再現性の高いキャリア資産になる求められる経験- 公共／官公庁向けネットワーク案件の提案・構築経験- 入札案件におけるプレセールスSEまたはPM経験- PMとしての実務経験（指揮だけでなく、図書・設計書作成経験を含む）- CCNAレベルのネットワークおよびサーバ基礎知識- 関係各所（顧客・社内・ベンダー）との調整力保険健康保険,厚生年金保険,雇用保険,労災保険待遇・福利厚生財形貯蓄、従業員持株会、慶弔見舞金、確定拠出年金制度／確定給付年金選択拠出制度、育児支援制度、福利厚生サービス会社（ベネフィット・ワン）提携、同社及びグループ会社向けの優待 など研修制度：能力開発体系に基づく研修（新任管理職層研修、各種スキル研修、英語・統計・テクノロジー研修、その他eラーニングを活用した多様なプログラム）、OJT な

社名社名非公開職種通信インフラ設計・構築（キャリア・ISP系）業務内容Role Overview:As a Senior Golang & Kubernetes Engineer, you will contribute to the development and operation of a large-scale Kubernetes container platform, with a strong focus on building internal platform tooling and automation using Golang.You will work closely with platform and infrastructure teams to develop scalable services that improve cluster operations, automation, and reliability. This role requires a balance o

社名社名非公開職種システム開発（組み込み・ファームウェア・制御系）業務内容Semi-Remote!Work on a project for one of the Big Four accounting firms!Put your bilingual skills to use!求められる経験Requirements (Must-Have)3+ years of full-stack development experience (frontend, backend, database, cloud) in web applications3+ years of team development experience using Git (including PR-based workflows and code reviews)3+ years of API development experience using technologies such as TypeScript/Node.js or P

社名社名非公開職種システム開発（組み込み・ファームウェア・制御系）業務内容Join a dynamic team of database specialists and software engineers responsible for architecting, automating, managing, and running databases across private and public cloud platforms. This role is crucial for maintaining high availability, ensuring security, and optimizing performance for enterprise-level database systems.Main tasks include:■ Manage production and staging environment databases.■ Identify and implement p

社名社名非公開職種システム開発（Web・オープン・モバイル系）業務内容English only OK!Free meals and Gym in the OfficeEnglish speaking environment求められる経験Mandatory Qualifications: - Experience: Minimum of 3-5 years working with Kubernetes and Docker in a production environment.- DevOps Skills: Strong understanding of DevOps principles, CI/CD, and infrastructure automation.- Linux Proficiency: Comfortable with Linux system administration and scripting.- Cloud Platforms: Familiarity with clou

社名社名非公開職種データサイエンティスト業務内容About the Team:We are a leading technology company with a global reach, dedicated to driving innovation through cutting-edge data science. Our team of researchers and engineers are working to harness the power of data to optimize and improve various services across diverse industries. We are seeking a talented Data Scientist to join our Offline Behaviours & Intelligence team, where you will play a key role in understanding and lever

社名社名非公開職種通信インフラ設計・構築（キャリア・ISP系）業務内容Hybrid WorkInternational EnvironmentFree Meals求められる経験- 5+ years of experience in Windows server design, implementation, and administration.- 3+ years of experience with Active Directory design, implementation, and administration.- 3+ years of experience in project management or team leadership.- Experience with web system development or administration.- Experience creating and maintaining scripts using Bash, Python, or BA

社名社名非公開職種通信インフラ設計・構築（キャリア・ISP系）業務内容[DevOps Engineer at Innovative Tech Company]Lead the development and operation of cutting-edge Kubernetes and Istio infrastructure in a dynamic and collaborative team.]About the company]Our client is a rapidly growing technology company focused on building and maintaining robust and scalable infrastructure. They foster a collaborative and supportive work environment with a strong emphasis on continuous learning and develo

社名社名非公開職種データサイエンティスト業務内容International environmentFree Meals in the Office求められる経験Mandatory Skills：- Strong understanding in data engineering, including designing and building data pipelines and data integration solutions.- Strong understanding of SQL and NoSQL databases, data warehousing concepts, and data modeling techniques.- Strong understanding of bigdata/large-scale processing frameworks such as Spark, Kafka, Hadoop- Strong programming experience using

社名社名非公開職種品質管理・テスト・評価業務内容Good work-life BalanceCentral Tokyo Office求められる経験- Experience with iOS development or web application development.- Understanding of backend application servers (e.g., Apache Tomcat, IIS).- Knowledge of authentication protocols (e.g., ADFS, token-based authentication).- Familiarity with Windows Server environments.- Excellent written and spoken Japanese.- Business-level English communication skills.- Experience with database technol

社名社名非公開職種システム開発（Web・オープン・モバイル系）業務内容[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]- Lea

社名社名非公開職種品質管理・テスト・評価業務内容Hybrid WorkFree CafeteriaAlmost no OT求められる経験・Over 5 years of experience in application test design and implementation・ISTQB Foundation Level knowledge or equivalent・Experience with API/UI automation・Excellent communication and collaboration skills・Proactive problem-solving abilities・Experience in a global working environment is a plus・Experience working in the e-commerce domain is a plus・Experience with non-functional testing is a p

社名社名非公開職種システム開発（組み込み・ファームウェア・制御系）業務内容Hybrid WorkInternational Environment求められる経験- Minimum 3+ years of professional experience in Android development.- Expert knowledge of Kotlin and experience with Jetpack Compose and Hilt.- Experience with common mobile architectural patterns (e.g., MVVM, MVI).- Proficiency in consuming RESTful APIs (e.g., Retrofit/OkHttp).- Experience with local persistence frameworks (e.g., SQLite, Room).- Strong understanding of thread

社名社名非公開職種システム開発（組み込み・ファームウェア・制御系）業務内容International EnvironmentHybrid求められる経験- 4+ years of professional frontend development experience.- Strong proficiency in both Vue.js (Nuxt.js) and React (Next.js).- Deep understanding of modern JavaScript (ES6+), HTML5, and CSS3.- Experience with frontend testing frameworks (e.g., Jest, Vitest, Cypress).- Familiarity with RESTful APIs and JSON-based integrations.- Experience using Git and working in Agile development te

社名社名非公開職種システム開発（組み込み・ファームウェア・制御系）業務内容[About the company]Leader in the development, operation, and maintenance of a highly successful Order Management System (OMS). This system is the backbone for major Japanese marketplaces and warehouses, processing a significant volume of daily transactions. The team is diverse, comprising over 30 engineers from various international backgrounds, and is dedicated to continuous innovation and maintaining their position as

社名社名非公開職種ITプロジェクトマネージャー業務内容[About the company]Our client is a major player in the digital services industry, responsible for developing and operating highly popular services like Point and Coupon systems. They are dedicated to maximizing the value of loyalty programs and contributing to a robust digital ecosystem, processing hundreds of thousands of transactions daily.[Role & Responsibilities]You will be instrumental in planning and overseeing projects. Yo

社名社名非公開職種ITプロジェクトマネージャー業務内容Hybrid WorkInternational EnvironmentFree Cafetaria求められる経験- Experience in project management (as , Project Coordinator, PM or PMO).- Experience with data analysis tasks.- Business level of Japanese- Ability to communicate in English (daily conversation, email) and prepare simple documentation.- Experience in requirement definition, design, or development of web systems.- Experience in operating web services.保険雇用保険休日休暇日曜日,土曜日,祝日給与年

社名社名非公開職種通信インフラ設計・構築（キャリア・ISP系）業務内容汎用SD-WANではなく、次の案件に活きる専門性を積めるマネジメントよりも設計・構築・技術力を軸に評価される立ち位置年単位で腰を据えて参画できるPJ求められる経験- 法人向けネットワークにおける要件定義・設計・検証・構築の実務経験- SD-WAN案件への参画経験（拠点規模200前後クラスが望ましい）- Cisco Catalyst SD-WAN の実務経験（MerakiではなくCatalyst系）- Cisco機器の深い理解（CCNP相当）- 一般的なSD-WANアーキテクチャの理解- 複数チーム（PrismaAccess担当チーム等）との連携経験保険健康保険,厚生年金保険,雇用保険,労災保険待遇・福利厚生財形貯蓄、従業員持株会、慶弔見舞金、確定拠出年金制度／確定給付年金選択拠出制度、育児支援制度、福利厚生サービス会社（ベネフィット・ワン）提携、同社及びグループ会社向けの優待 など研修制度：能力開発体系に基づく研修（新任管理職層研修、各種

社名社名非公開職種データベースエンジニア業務内容Established global insurance firm from the US!Hybrid! WFH up to 4 days a week.International culture!求められる経験Required Skills & Qualifications 8+ years of database engineering experience in enterprise environments Strong hands-on expertise in Azure SQL Database / Managed Instance Practical experience with Azure Cosmos DB (design, partitioning, scaling) Advanced SQL performance tuning and query optimization skills Experience with

社名社名非公開職種通信インフラ設計・構築（キャリア・ISP系）業務内容Established global insurance firm from the US!Hybrid! WFH up to 4 days a week.International culture!求められる経験Required Skills & Qualifications Bachelor’s degree in Computer Science, Engineering, or a related technical discipline 3+ years of hands-on experience with Microsoft Azure in a cloud engineering or platform role Practical experience supporting Azure Databricks in production or enterprise environments Strong unde