134 Contract Information technology jobs found in 東京都

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■ 5+ years experience in Java programming with extensive experience in Spring Boot.■ Strong understanding of security best practices in software development.■ Hands-on experience in designing and implementing RESTful APIs.■ Demonstrated expertise in containerization using Docker.■ Solid grasp of relational database management and SQL.■ Strong knowledge of design patte

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:As a Senior Full Stack Developer, you will be instrumental in the end-to-end development of web and mobile applications. You will bridge the gap between complex data architecture and intuitive user experiences, ensuring that all systems are scalable, secure, and fully functional. Reporting to the development leadership, you will play a key role in shaping system architecture and mentoring the eng

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International EnvironmentFree MealsHybrid Work求められる経験■ 5+ years of professional experience in product management.■ Proven ability to troubleshoot complex issues and perform data-driven analysis.■ Strong command of English (Advanced level) for international collaboration.■ Business-level proficiency in Japanese is preferred but not mandatory.■ Solid understanding of affiliate marketing technologies and web application architecture

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 & Responsibilities:As a Senior SRE, you will serve as a guardian of system availability and performance. You will be responsible for defining and monitoring SLOs, automating infrastructure lifecycles, and leading incident response efforts. By leveraging modern cloud architecture and IaC practices, you will minimize operational toil and build "golden paths" that enable development teams to deliver secure, high-quality

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 serve as a technical cornerstone for the API gateway and management infrastructure. You will be responsible for conducting rigorous feasibility studies and driving high-level design strategies that impact product quality and delivery speed across the organization. This role requires a balance of strategic architectural planning and hands-on technical contributions, providing you with the

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Key ResponsibilitiesDesign and build high-performance frontend applications utilizing React, Next.js, and TypeScript. Develop scalable backend services, interoperable libraries, and REST/gRPC APIs using Kotlin and Rust. Integrate robust security measures, including authentication and authorization flows via OAuth2, OpenID Connect (OIDC), and JWT. Build and maintain deployment automation and CI/CD workflows using GitHu

社名社名非公開職種データサイエンティスト業務内容We are looking for a Middle/Senior Level Data Engineer to design, build, and operate end-to-end data solutions for a retail client in Japan. Key Responsibilities:Lead the design, build, and optimization of ETL/ELT pipelines to ingest data into the enterprise platform. Drive automation to eliminate manual intervention and enforce rigorous data quality standards. Ensure technical solutions align with enterprise architecture while le

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Candidate ProfileWe are looking for a candidate who combines strong data science delivery capability with practical production and operational ownership. This is not a pure research role and not a pure platform role. It is intended for someone who can build business-facing AI/ML solutions and also help ensure those solutions are deployable, stable, and m

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!Global Environment!Competitive salary!求められる経験Profile & Technical Requirements:- Strong software engineering skills using Python along with backend frameworks like Flask and FastAPI. - Proven experience building AI applications using LLMs, RAG pipelines, and REST APIs. - Familiarity with agentic frameworks such as LangChain, LangGraph, Semantic Kernel, AutoGen, or similar. - Experience with Pandas and NumPy for data

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!Global Environment!Competitive salary!求められる経験Profile & Technical Requirements:- Strong software engineering skills using Python along with backend frameworks like Flask and FastAPI. - Proven experience building AI applications using LLMs, RAG pipelines, and REST APIs. - Familiarity with agentic frameworks such as LangChain, LangGraph, Semantic Kernel, AutoGen, or similar. - Experience with Pandas and NumPy for data

社名社名非公開職種品質管理・テスト・評価業務内容WFH flexibility!Global Environment!Competitive salary!求められる経験Profile & Technical Requirements:- Min of 4- 5 years of work experience- Core experience in Software QA, test automation, data validation, or AI/ML application quality engineering. - Solid conceptual understanding of LLMs, prompt engineering, RAG, OCR, tool calling, and agentic system behaviors. - Hands-on automation scripting experience using Python or JavaScript/TypeSc

職種CAD設計勤務期間長期（3ヶ月以上）業務内容六本木駅チカ在宅勤務週2-3日OKフレックス制！図面作成・CADオペレーターのお仕事です。【業務内容】・太陽光パネルの図面作成・発電シミュレーション作成・取引先とのメール対応・太陽光発電の見積対応・代表電話の一次受け対応***おすすめPoint***・フレックスや有給を取得しやすい環境です。・未経験からスタートした先輩が多数活躍中。・動画や金融など幅広く展開する大手企業。・社内カフェなどの充実した設備があります。・正社員登用前提。派遣先の特徴大手インターネットサービスサイト運営の企業です。動画配信から金融商品、ゲーム、英会話など幅広くメディア展開をしているCMでもおなじみの会社です。最寄駅各線／六本木駅（徒歩1分）休日休暇土日祝日完全週休二日制　土曜　日曜　祝日就業時間10:00-19:00（実働8時間00分・休憩60分）※フレックスタイム制（コアタイム:11:00～17:00）、表記はモデル時間です。残業残業10時間程度交通費交通費あり

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Randstad, partnered with a leading global financial services group, is seeking a highly skilled and bilingual Technical Business Analyst to support the development team, specifically working alongside our Java Developers to build and maintain our new generation equity finance trading platform. This role serves as the critical bridge between our internal business users and the technical development team.■ Key Responsibilities・ St

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Candidate ProfileWe are looking for a candidate who combines strong data science delivery capability with practical production and operational ownership. This is not a pure research role and not a pure platform role. It is intended for someone who can build business-facing AI/ML solutions and also help ensure those solutions are deployable, stable, and m

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 Java development- Proven experience delivering production systems in high-traffic, transaction-critical environments- Strong ability to independently lead basic design (architecture, components, database schema)- Solid experience in code reviews and enforcing coding standards across teams- Ability to quickly understand unfamiliar codebases

社名社名非公開職種運用、保守、監視、テクニカルサポート業務内容Good WLBVisa SponsorFree Meals求められる経験Language: Business-level Japanese (reading, writing, and speaking) as well as Business-level English is mandatory.Strong Communication Skills: Ability to collaborate smoothly and build consensus with various internal stakeholders.Logical Thinking & Structuring: Ability to organize complex information and present it clearly.Proactive & Inquisitive Mindset: High motivation to learn new techn

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 Environment求められる経験・Strong experience with CI/CD pipelines (Core Priority).・5+ years of experience as a DevOps Engineer.・Strong familiarity with Kubernetes, Istio, AWS, and Networking.・Experience with ArgoCD and/or Kargo preferred but not mandatory.・Familiarity with Bazel and/or other build tools preferred but not mandatory.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 ～ 1,200万円賞与-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- Over 7 years of experience in test strategy planning, test design, and manual test execution.- Knowledge equivalent to ISTQB Foundation Level.- Deep understanding of quality assurance methodologies and best practices.- Experience in defect management and tracking quality metrics- Good to Have: Knowledge/ experience working with AI Tools (Chat GPT, Claude, Copilot)保険健康保険,厚生年金保険,雇用保険休日休暇日曜

社名社名非公開職種セキュリティコンサルタント、セキュリティエンジニア業務内容HybridGlobal Automotive TechInternational Environment求められる経験Requirements (MUST):•6+ years’ experience in Information Security•Experience in technical security, securing products incorporating emerging technologies like IoT, AI, Automotive operating systems•Experience with risk management, risk assessments and risk assessment methodologies/standards (NIST SP800-30, CIS RAM, etc)•Experience with regulatory compliance and

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International EnvironmentFree MealsHybrid Work求められる経験■ 2-3 years of proven experience serving as a Scrum Product Owner.■ Exceptional ability to articulate technical requirements and specifications clearly.■ Strong analytical skills with a focus on high-performance system architecture.■ Adaptability and an agile mindset to respond rapidly to changing business needs.■ Experience working with diverse stakeholders and managing confli

社名Kenvue（JNTLコンシューマーヘルス株式会社）職種ITエンジニア（IT・Web・通信・ゲーム）業務内容Kenvueは2023年5月4日付でニューヨーク証券取引所に上場し、新たに発足した、世界最大の売上高を有するコンシューマーヘルスビジネス専業カンパニーです。100年以上の伝統と科学に根ざし、リステリン®、バンドエイド®、JOHNSON’S®、ドクターシーラボ®、タイレノール®等、皆様がすでにご存じでご愛用いただいているアイコニックなブランドを提供しています。私たちのグローバルチームは、インサイトとイノベーションに情熱を注ぎ、最高の製品をお客様にお届けすることに全力を注ぐ、多様で優秀な22,000人以上の社員で構成されています。専門知識と共感力を備えたKenvuerであることは、毎日何百万人もの人々の生活に影響を与える力を持つことを意味します。私たちは、人を第一に考え、全身全霊をもってケアし、サイエンスで信頼を獲得し、勇気をもって解決します。私たちとあなた自身の未来を、共に切り開いていきましょう。K

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Full Remote position!求められる経験■ Business-level Japanese language proficiency.■ Proven experience with Python for data processing or backend development.■ Demonstrated experience with data pipelines, ETL, or batch processing.■ Strong proficiency in SQL.■ Ability to independently troubleshoot and resolve production issues.■ Experience with Azure services (e.g., Data Factory) is a plus.■ Familiarity with cloud environments (AW

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As a Senior Infrastructure Operations & Improvement Engineer, you will be instrumental in managing and enhancing our client's expansive Kubernetes container platform. This role involves ensuring the stability of the platform, optimizing its performance, and providing expert support to internal users, all while maintaining high standards of security and operational efficiency.Main tasks include:■ Create and refine operatio

社名社名非公開職種運用、保守、監視、テクニカルサポート業務内容Good WLBVisa SponsorFree Meals求められる経験■ Bachelor’s degree in Computer Science, Management Information Systems, Information Technology, or a related field.■ 3+years of experience in a technical customer-facing role (e.g., Technical Account Manager, Technical Customer Success Manager, Technical Support) in a SaaS, technology, or platform-focused company.■ Proven experience onboarding customers to complex technical platforms/prod

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ITプロジェクトマネージャー業務内容You will act as a vital liaison, supporting a broad spectrum of critical and time-sensitive initiatives. This role is designed for an individual with a strong consulting background and a keen understanding of technology, comfortable engaging directly with C-level executives to address ad hoc requests and drive strategic objectives.Main tasks include:■ Support the CIO in formulating responses to high-priority business challenges.■

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Required Skills● 5+ years of practical experience with AI/ML technologies and libraries, such as PySpark,Pandas, NumPy, LangChain, Hugging Face, and LLM/RAG integration and promptengineering.● 3+ experience working with GenAI / Large Language Models (LLMs) such as OpenAIand Copilot, and integration via API.● Proven hands-on ownership of production ML pip

社名社名非公開職種運用、保守、監視、テクニカルサポート業務内容Good WLBVisa SponsorFree Meals求められる経験■ Bachelor's degree (BS) in Computer Science, Engineering, or a related field.■ Business English and Japanese■ 2+ years of Product or Project Management related experience in the Tech industry.■ Proven ability to work with and learn detailed specifications of Tech platforms/products.■ Experience managing various client support activities, including onboarding, inquiry handling, system conf

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 a Project Support role within the Global Architecture team, you will support the design processes under the corporate IT division. You will manage progress, report on activities, and ensure information flow between project members and other stakeholders, working collaboratively across different countries and time zones.Main tasks include:■ Facilitate Scrum events including daily stand-ups, sprint planning, refinement, sprint r

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This is a crucial role focused on enhancing the API Platform that empowers merchants and partner companies. You will strategize and implement improvements to API usability, communication channels, and internal team collaboration. By bridging the gap between technical capabilities and user needs, you will ensure our API services are secure, scalable, reliable, and user-friendly, directly contributing to merchant success.Main tasks