96 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As Project Manager of the Data Governance Office, you will be responsible for:- Defining, initiating, and scoping projects.- Defining a plan and approach for delivering the determined scope and requirements.- Clarifying roles and responsibilities.- Ensuring all aspects of the projects are clear and documented.- Ensure that stakeholders agree and approve the scope, requirements, project changes if applicable, and project documenta

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 EnvironmentFree MealsHybrid Work求められる経験- 8+ years of experience in backend development using Java and the Spring Boot framework.- 8+ years of experience in designing, developing, and maintaining high-traffic web applications.- Experience with Docker containers and deployment environments.-Experience leading small to medium-sized development teams.- Experience working in Agile environments, preferably Scrum

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.求められる経験Mandatory Qualifications: ・Java development experience with Springboot (7 + years)・Knowledge and experience of database and system infrastructure (e.g. MySQL, Cassandra, Couchbase, Docker)・Experience in designing and implementing Restful API・Active experience in application development in java・Experience in actively taking responsibility on designing phase (Based on r

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 Linux server design, implementation, and operation.- 3+ years of experience in project management or team leadership.- Experience with web system development or operation.- Proficient in scripting languages such as Bash and Python.- Japanese language proficiency (JLPT N2 level or equivalent).- English language proficiency (TOEIC 800 points or

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Mostly RemoteInternational EnvironmentGood work-life balance求められる経験- Minimum of 1 year of experience in project management or a related field.- Excellent communication skills in Japanese and English (business level).- Proactive and detail-oriented with strong organizational skills.- Experience with digital projects (production, marketing, CRM advantageous).- Strong analytical and problem-solving skills.- Ability to manage multipl

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- 6+ years of experience in Quality Assurance, with at least 4 years in retail or e-commerce.- Minimum 2 years of experience in a managerial or team leadership role.- Proven experience in Agile environments and enterprise-wide testing.- Strong knowledge of QA methodologies, SDLC, and test strategy design.- Experience with POS (Point of Sale) system testing.- Pr

社名社名非公開職種データサイエンティスト業務内容WFH flexibility! Up to 4 days/week!Global Environment!Competitive salary!求められる経験Education & Experience:● Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.● 5+ years of experience in MLOps, DevOps, or a related field.● Proven experience in deploying and managing machine learning models in productionenvironments.Technical Skills:● Proficiency in programming languages such as Python.● Strong knowledge

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[Role & Responsibilities]You will be a key player in the migration of our client's SAP system to S/4HANA, building and integrating applications on the SAP Business Technology Platform (BTP). You'll translate complex business needs into innovative, efficient IT solutions, working closely with a talented team to deliver high-impact results. You'll be involved from the project's development phase, gaining a deep understand

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Good WLBVisa SponsorFree Meals求められる経験- Bachelor's degree in Computer Science, Engineering, or a related field.- 2+ years of experience in product or project management within the tech industry.- Experience managing client support activities (onboarding, inquiry handling, troubleshooting).- Proven ability to learn and understand detailed technical specifications.- Strong product and customer-oriented mindset.- Excellent communicat

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]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

社名社名非公開職種アプリケーション開発エンジニア（制御・組み込み系）業務内容International EnvironmentAlmost no overtimeGood work life balance求められる経験- Experience in SAP projects, with a proven track record of successful implementations.- Expert knowledge of SAP ECC and S/4HANA systems, including upgrade processes and methodologies.- Excellent communication skills in both English and Japanese (business level fluency required).- Ability to work effectively both independently and collaboratively w

社名社名非公開職種アプリケーション開発エンジニア（制御・組み込み系）業務内容AI時代のBackend開発国内唯一、LLMエージェント基盤を支えるBackend募集求められる経験Requirements:- Team-based software development experience- 3+ years of backend development experience using Python or Node.js- Experience building backend systems leveraging OpenAI GPT or other generative AI- Implementation experience with AI Agent frameworks (OpenAI Agents SDK, LangGraph, - AutoGen, etc.)- Design of RAG pipelines (using Vector DBs such as Pinecone or W

社名社名非公開職種社内SE、情報システム業務内容■必須スキル・経験以下の中から最低2つ該当すること。・業務、基盤における運用業務整理もしくは、運用設計経験がある人・ITIL Foundationの資格を保有している人 ・エンタープライズ企業のプライベートクラウド設計もしくは構築経験のある人 ・VMware製品知識がある、設計経験がある人(資格として、VMware Certified Professional (VCP)などを保有してる人) ・Web/AP/DB 3階層システムにおけるインフラ設計経験がある人 ・HULFT、Net-Cobol、Interstageなどの製品知識、設計導入経験がある人 ・インフラSEとして設計構築経験3年以上ある人求められる経験■業務内容システム稼働後のシステム運用に向けて、各アプリ開発者受託者及び発注者で構成している運用WGに参画し、システム運用に必要となる論点の洗い出しや洗い出した論点を各受託者は発注者を巻き込んで推進する■職種 ITコンサルティング■役職 シニア・コンサル

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 front-end development experience using HTML/CSS/JavaScript.- Experience with React, Redux, and TypeScript.- Experience with Web APIs (REST, JSON, CORS).- Understanding and experience with parallel and asynchronous processing (AJAX, Promise, WebWorkers, WebSockets).- Experience in software configuration management (e.g., Git, Jenkins).- Experience in developing and

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 experience developing mobile apps, with at least 2 years focused on Flutter.- Experience in building Flutter apps using clean architecture.- Strong understanding of Flutter architecture patterns (e.g., BLoC, Riverpod, MVVM).- Experience building and deploying apps to the App Store and Google Play.- Familiarity with RESTful APIs, JSON, and backend integrati

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[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

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 EnvironmentFree MealsHybrid Work求められる経験- Java development experience with Springboot or PlayFramework (7+ years).- Knowledge and experience with databases and system infrastructure (e.g., MySQL, Cassandra, Couchbase, Docker).- Experience designing and implementing RESTful APIs.- Proven experience in actively taking responsibility during the design phase.- Experience with CI/CD.- Experience building and man

社名社名非公開職種その他　技術系（IT・Web・通信系）業務内容英語力を生かせる日系最大手企業の最前線でご経験を活かせる求められる経験● アプリケーション開発プロジェクトにおける業務分析、設計、開発およびテストの経験● 複数のステークホルダーの信頼を維持・向上させることができること● 証券業、特に機関投資家向けセールス・トレーディングに対する高い関心● 全体像を考慮しながら、英語と日本語によるコミュニケーションが可能であること保険健康保険　厚生年金保険　雇用保険休日休暇土曜日　日曜日　祝日給与年収800 ～ 900万円賞与0雇用期間期間の定めなし

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- Bachelor's Degree in Computer Science or related field- 3+ years experience in Software Test Automation- Knowledge and experience with programming languages (preferably Java) - Fluent English保険健康保険,厚生年金保険,雇用保険休日休暇日曜日,土曜日,祝日給与年収400 ～ 600万円賞与0雇用期間期間の定めなし

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Free meals in the officeGlobal environment with a great career path求められる経験Required Skills : ・Windows系サーバ設計/構築/運用の実務経験(5年以上)・AD設計/構築/運用の実務経験(3年以上)・プロジェクトマネジメントもしくはチームリードの実務経験(3年以上)・Webシステムの開発もしくは運用の実務経験・Bash/Python/BATなどのスクリプト作成運用経験・日本語(JLPT N2相当レベル)・英語(Toeic800点相当レベル)保険健康保険　厚生年金保険　雇用保険待遇・福利厚生無し休日休暇土曜日　日曜日　祝日給与年収500 ～ 850万円賞与No雇用期間期間の定めなし

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通信インフラ設計・構築（キャリア・ISP系）業務内容Free meals in the officeGlobal environment with a great career path求められる経験必須スキル：※お顔合わせは実業務を鑑みて日本語での実施となります。・L3スイッチ、ファイアウォール環境構築、管理、障害対応経験(5年以上)・プロジェクトマネジメントもしくはチームリードの実務経験(3年以上)・Bash/Python/BATなどのスクリプト作成運用経験・日本語(JLPT N1相当レベル)・英語(Toeic800点相当レベル)保険健康保険　厚生年金保険　雇用保険待遇・福利厚生無し休日休暇土曜日　日曜日　祝日給与年収500 ～ 850万円賞与No雇用期間期間の定めなし

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