Page 3 - 112 Contract Information technology jobs found in 東京23区, 東京都

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 directly on high-impact trading applications where your development work can drive transactions worth hundreds of millions of yen—your contributions become immediately visible to the business.Join a growing in-house engineering team as the organization transitions from outsourced development to internal capability, allowing you to shape processes, architecture, and engineering culture from the ground up.Build your ca

社名社名非公開職種データサイエンティスト業務内容[Role & Responsibilities]As a Data Scientist, you will be at the heart of our client's data-driven decision-making process. You will design, develop, and implement advanced predictive models using statistical and machine learning techniques to solve critical business problems. You will work closely with cross-functional teams, transforming complex data into actionable insights that drive strategic business decisions. You'll enjoy pr

社名社名非公開職種ネットワーク・サーバ設計・構築（LAN・WAN・Web系）業務内容世界トップクラスのネットワーク技術に触れることができますお客様のビジネスに貢献できるやりがいのある仕事ですスキルアップのための研修制度が充実しています求められる経験* ネットワークエンジニアリングの知識と経験をお持ちの方 (Cisco製品に関する知識をお持ちの方歓迎)* 優れたコミュニケーション能力をお持ちの方* 日本語ネイティブレベルの方 (英語力があれば尚可)* CCNA資格をお持ちの方 (尚可)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600 ～ 1,100万円賞与0雇用期間期間の定めなし

社名社名非公開職種ITプロジェクトマネージャー業務内容-Collaborate with business units to gather, interpret, and align requirements with conversational AI solutions that enhance customer support operations.- Act as a liaison between customers and the technical team, ensuring customer needs are met and their feedback is incorporated into product enhancements.- Monitor and measure the impact of deployed AI technologies, reporting on their effectiveness and adjusting strategies as need

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- Lead the design, development, and maintenance of complex applications using Java technologies.- Design and supervise the implementation of scalable, high-quality, maintainable, and efficient features following industry best practices and coding standards.- Conduct technical feasibility studies on upcoming features, then review and adjust roadmaps for products.- Evaluate the latest technologies, frameworks, and tools,

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- Communication skills to users and teams- Business level of Japanese and English language- Application support / implementation / development experience (min 2 years)- Hands-on experience on SAP SD or MM - POS application knowledge or retail business operation (Plus)- Level 2/ Level 3 support experience (Plus)#LI-DNI保険健康保険,厚生年金保険,雇用保険休日休暇日

社名社名非公開職種データベースエンジニア業務内容Hybrid WorkFree CafeteriaAlmost no OT求められる経験- Minimum of 5 years of experience as an Oracle DBA, with a focus on mission-critical services.- Proficient in Oracle database tuning and optimization.- Strong experience with Exadata, Grid Infrastructure, and Oracle home version management.- Excellent knowledge of Oracle RAC and DataGuard.- Experience managing database-related projects.- Excellent communication and collaboration skills in

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!求められる経験[Mandatory Requirements]Certified Kubernetes Administrator (CKA) Holder (*1) If the candidate doesn't have CKA, they're required to pass CKA within 3 month after joining to our group.)- Strong sense of responsibility to keep the stability of the system, and to output artifacts by deadline- Deep understanding and 3+ years of experience of kubernetes/container/linux provisioning and trouble shooting w

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- Knowledge and experience of programming in SQL, API, JavaScript, SCC, HTML, Web Application, and iOS application.- Knowledge and experience of system integration and data flow diagrams with multiple systems.- Ability to understand issues and system errors from a technical standpoint.- Experience in partnering with business users, IT, and vendors to design and im

社名社名非公開職種その他　技術系（IT・Web・通信系）業務内容International and global companyHybrid WorkConversion to permanent employment求められる経験• Proven experience in SAP delivery manager roles within multinational corporations. • A candidate with practical, hands-on experience and a proactive attitude towards directly engaging with systems to support business transformation is required. • Experience with SAP global template rollouts in the retail sector. • Strong technical, logical,

社名社名非公開職種その他　技術系（IT・Web・通信系）業務内容- Operate the group’s host intrusion detection system – daily monitoring, alert raising, troubleshooting, maintenance, scale-out.- Operate department-owned security tools- Conduct periodic security scans to pre-emptively find vulnerabilities- Implement open-source/third-party tools proof of concepts to assist in detection, prevention and analysis of security threats- Suggest implementation of protections (patch management, c

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]Our client is a leading B2C company known for its innovative and scalable platforms. They foster a collaborative and technology-focused culture, offering a hybrid work model and opportunities for professional growth.[Role & Responsibilities]As a Front-End Web Developer, you will be instrumental in shaping the user experience of our client's rapidly expanding platform. You will translate UI/UX designs

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- 5-10 years of experience in mediation operations.- Expert knowledge of mediation logics and CDR flows.- Hands-on experience with mediation systems (Nokia Mediation experience a plus).- Experience with batch and online processing.- Experience configuring and adding new streams/workflows in mediation.- Strong troubleshooting skills in mediation environments.- Understand

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!Amazing employee perks like free meals!求められる経験必須スキル：- 3+ years experience in API development(Go-lang)- Understanding of networking principles and ability to troubleshoot (DNS, TCP/UDP)- Basic Linux understanding- Experience in a team-based collaborative environment- Experience with nosql database such as cassandra, redis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600 ～ 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ITプロジェクトマネージャー業務内容SummaryRandstad, partnered with a giant Securities Firm, is seeking a highly logical and detail-oriented bilingual Business Analyst/Project Manager, to drive projects within the equities front office technology division. The selected candidate will focus on initiatives related to trading platforms, dissecting business processes, eliciting needs, and coordinating the finalization of specifications for system architecture and devel

社名社名非公開職種データサイエンティスト業務内容Hybrid WorkInternational EnvironmentFree Cafeteria求められる経験- Bachelor’s degree or higher in Computer Science, Information Systems, or a related field- Experience developing and training AI/ML models using Python- Familiarity with Jupyter Notebook and exploratory data analysis (EDA)- Knowledge of data mining techniques and machine learning algorithms- Solid understanding of SQL and data modeling concepts- Basic command line skills in L

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 looking for Python Full Stack Developer to join an exciting project and their IT GMIT Equity team. The ideal candidate will have strong expertise in building high-performance, resilient financial trading systems.■ Role description:We are seeking an experienced Full Stack Developer to join on a 6-month contract basis. The ideal candidate will have strong expert

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]Our client is a forward-thinking technology company focused on enhancing user experiences through innovative financial services. They foster a collaborative and supportive environment, valuing continuous learning and high-quality engineering practices within a fast-paced and exciting atmosphere. This is a fantastic opportunity to contribute to a growing and impactful product.[Role & Responsibilities]A

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- 5+ years of experience in a technical development role (software development, DevOps, or test automation).- Experience with IT infrastructure and networking (servers, networks, and storage, both physical and cloud).- Experience working with and troubleshooting mobile devices.- Experience with frontend/backend software development and databases (e.g., JavaScript, Python, PostgreSQL).- Exp

社名社名非公開職種データサイエンティスト業務内容Hybrid WorkInternational EnvironmentFree Cafeteria求められる経験- 3+ years of software development experience using Python.- Proven experience with public cloud platforms (e.g., Azure, AWS, GCP) and Databricks.- Experience writing production-level, well-documented code.- Familiarity with common machine learning frameworks (e.g., TensorFlow, PyTorch) and libraries (e.g., scikit-learn, NumPy, pandas).- Experience with CI/CD pipelines.- Exper

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- Business-level proficiency in both Japanese and English.- Proven experience in website or Order Management System (OMS) support.- Experience with ECOM OMS processes.- Familiary with SAP SD- Strong communication skills for interacting with business users and team members.- A proactive and positive approach to problem-solving.- Strong ownership 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Hybrid WorkInternational Environment求められる経験- More than 4 years iOS native app development using Swift- Proficiency in Swift and SwiftUI; familiarity with Objective-C is a plus- Knowledge of recent mobile architecture pattern (ex. MVP MVVM)- Experience in agile development (Scrum Kanban)- Ability to take proactive actions for the team’s success- Solid unit testing (UT) practice using XCTest or equivalent; focuses on test

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Key Qualifications:•3+ years of experience in an SRE role or similar position.• Strong experience in deploying, managing, and monitoring Azure Cloud environments, particularly with data management tools.• Hands-on experience with Azure Data Factory, Azure Synapse Analytics, Cosmos DB, and related data technologies.• Proficiency in Infrastructure as Code (IaC) practices (e.

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 EnvironmentHybrid求められる経験- Business-level English and Japanese communication skills.- 5+ years of experience as a Technical Project Manager, Scrum Master, or equivalent role in a software engineering environment.- Strong understanding of Agile methodologies and experience applying them in practice.- Experience managing cross-functional engineering teams (backend, frontend, mobile, QA).- Excellent communication and co

社名社名非公開職種品質管理・テスト・評価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 QA or software testing experience for web and/or mobile applications.- Hands-on experience building automation frameworks (e.g., Cypress, Selenium, or similar).- API testing experience.- Proven experience writing, maintaining, and operating automation test scripts.- Strong understanding of QA methodologies, SDLC, and Agile processes.- Experience integrating automated tests into CI/CD pipelines

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 one of the largest internal system portfolios in the financial industry, gaining deep expertise in large-scale enterprise architecture and mission-critical applications.Develop advanced skills in code analysis, refactoring, and system modernization, contributing directly to long-term system stability and technical quality.Opportunity for long-term engagement with potential conversion to permanent, in a highly repu

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システム開発（Web・オープン・モバイル系）業務内容[About the company]Our client is a leading technology company renowned for its innovative approach to e-commerce and digital services. They foster a collaborative and supportive environment where continuous learning and professional development are encouraged. The company values talented individuals who are passionate about technology and making a difference.[Role & Responsibilities]As a PHP Developer, you will play a key

社名社名非公開職種その他　技術系（IT・Web・通信系）業務内容International environmentFree Meals in the Office求められる経験Minimum Qualifications: 5+ years proven experience in Project Management Outstanding communication and presentation skills, written and verbal, to all levels of an organization Passionate about developing relationships with stakeholders Strong sense of ownership and operating autonomously Experience in Atlassian Confluence and JIRA Business++ English保険健康保険　厚生年金保険　

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English only OK!Free meals in the officeGlobal environment with a great career path求められる経験Required Skills : 5+ years of experience in Linux server management and automation in a production environment.-Experience in writing design documents or proposals and reaching agreements with stakeholders.-Strong understanding of Linux, networking, and web protocols (e.g., TCP, HTTP, TLS, DNS, BGP).-Proficiency in a scripting langua