10 results for Ruby Rails Developer in Tokyo, Tōkyō

Software Engineer (BI Developer)

Tokyo,
remote
Contract
12.0M - 12.0M JPY / Yearly
The Role<ul><li>This role focuses on building a finance and budgeting solution using Excel-based tools, data integration, dashboards, and automation.Main responsibilities include:<ul><li>Developing a single-source budget planning workbook with input templates, master data integration, ID management, validation rules, management views, and export functions for finance submissions</li><li>Creating a structure that connects budget and actual data through a common key, including data import, transformation, quality checks, and integration across shared files and platforms</li><li>Designing and building financial dashboards in a BI tool for reporting such as budget vs actual, forecast tracking, year-over-year comparison, and analysis by function, region, service, vendor, and charge type</li><li>Implementing automation for business processes, including workflow automation, scripting, spreadsheet automation, data refresh, and recurring report updates</li></ul>Required skills include:<ul><li>Strong experience with BI development, data modeling, calculations, dashboard design, and BI services</li><li>Advanced spreadsheet skills, query tools, scripting or VBA, and workflow automation</li><li>SQL, ETL/data transformation, file-based data integration, and data quality management</li><li>System development experience including design documentation, testing, requirements-based development, and error analysis/remediation</li></ul></li></ul>Location Tokyo Salary12 million yen Reference Number: 67040-0013491969 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure. <img src="https://counter.adcourier.com/YWhtYWQucm95YW5pLjkxNTMyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-09-04T06:21:39Z

Application architect

Tokyo,
remote
Permanent
13.0M - 18.0M JPY / Yearly
The Role<ul><li>You are expected to lead the organization not through formal authority, but through your expertise, empathy, and communication skills.</li><li>Rather than taking ownership of a specific service, you will take responsibility for "problem areas," structuring those problems, aligning stakeholders, and driving initiatives across multiple teams.</li><li>This role involves developing a vision for development productivity, translating it into a roadmap, and measuring and communicating the results.</li><li>Furthermore, you will contribute to improving the organization's overall productivity and developer experience capabilities through mentoring and coaching engineers and leaders.</li></ul> Your Skills <ul><li>Experience in building and operating developer tools, internal platforms, CI/CD, and build systems.</li><li>Experience in SRE, infrastructure, or production engineering.</li><li>Tech lead experience in a product or platform team.</li><li>Experience driving technological change through influence across multiple teams without direct reporting lines.</li><li>Experience collaborating with teams in multiple locations and remote environments.</li><li>Experience leading technical design in complex multi-team environments, experimental approaches, and phased improvement delivery.</li><li>Strong communication skills with a wide range of stakeholders, from management to on-site engineers (in both English and Japanese).</li></ul> Location Tokyo Salary13 - 18 million yen Reference Number: 67040-0013495250 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/VmljdG9yaWFSeW8uNzA3ODAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-08-27T06:30:08Z

Data Engineer

Tokyo,
remote
Permanent
9.0M - 13.0M JPY / Yearly
Company Profile Global rare disease biopharmaceutical company is looking for a Tokyo-based Data Engineer to support its commercial data and analytics function. The Role <ul><li>Design, build, and operate scalable data solutions on AWS + Snowflake, aligned to the global standard framework.</li><li>Deliver governed, analytics-ready datasets and data products from CRM and multi-platform data.</li><li>Build curated data marts/layers with strong documentation and lineage; ingest and harmonize CRM data (Salesforce/Veeva).</li><li>Implement data quality monitoring and security/privacy controls (AWS IAM, Snowflake RBAC) in a regulated environment.</li><li>Contribute to data science work as needed (exploratory analysis, feature engineering, lightweight modeling).</li><li>Collaborate with the Global Data team and an India-based dev team, communicating in Japanese and English.</li></ul> Your Skills <ul><li>8-12+ years in data engineering/analytics engineering with end-to-end production ownership.</li><li>Strong AWS (S3, Glue, Lambda, Step Functions) and proven Snowflake expertise.</li><li>Expert SQL and strong Python skills.</li><li>Experience with standardized enterprise data frameworks and Salesforce/Veeva CRM integration.</li><li>Working knowledge of statistics, exploratory analysis, and ML concepts.</li><li>Business-level Japanese and English required.</li><li>Preferred: life sciences experience, GenAI/NLP exposure, Power BI/Tableau, Master's degree in a related field.</li></ul> Key Highlights of the Role <ul><li>Shape the data foundation for a global rare disease business.</li><li>Bridge data engineering and data science with GenAI/ML-ready data products.</li><li>Work cross-border with global and India-based teams.</li><li>Join AstraZeneca's stable, mission-driven Rare Disease unit.</li></ul> Location Tokyo Salary 9 - 13 million yen Reference Number: 06940-0013469267 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure. <img src="https://counter.adcourier.com/U21haWwuU2FmaS44MzU3MC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-07-15T09:11:37Z

IT Consultant

Tokyo,
remote
Permanent
10.0M - 10.0M JPY / Yearly
<div><h1>Company Profile</h1>A global business and technology consulting firm that helps organizations drive digital transformation, technology modernization, cloud adoption, data-driven decision-making, and AI-enabled innovation. The company partners with clients across multiple industries to deliver strategic initiatives, large-scale technology programs, and sustainable business outcomes.<h1>The Role</h1><ul><li>Support clients in developing and executing technology transformation strategies.</li><li>Lead or contribute to complex IT and digital transformation projects from planning through implementation.</li><li>Collaborate with business stakeholders, technical teams, and project leadership to deliver measurable business value.</li><li>Assess current technology landscapes and recommend innovative solutions to improve operational effectiveness and customer outcomes.</li><li>Facilitate communications between business and technical teams to ensure successful project delivery.</li></ul><h1>Your Skills</h1><ul><li>Experience in IT consulting, technology strategy, digital transformation, or project management.</li><li>Ability to engage with executive stakeholders and cross-functional teams.</li><li>Strong analytical, problem-solving, and communication skills.</li><li>Understanding of enterprise technologies, cloud platforms, data, AI, or modern application architectures.</li><li>Experience delivering large-scale business or technology projects.</li></ul><h1>Key Highlights of the Role</h1><ul><li>Opportunity to work on high-profile digital transformation initiatives.</li><li>Exposure to emerging technologies including AI, cloud, data platforms, and modern enterprise solutions.</li><li>Collaboration with diverse clients across multiple industries.</li><li>Strong career development opportunities within a growing global consulting environment.</li><li>Highly collaborative and people-focused culture.</li></ul><h1>Location</h1>Tokyo<h1>Salary</h1>JPY 10,000,000Reference Number: 06940-0013496992 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</div> <img src="https://counter.adcourier.com/TWlraXRvLk5haXRvLjExMjA4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-09-11T05:57:11Z

[In-house] - Global IT Governance Manager - Manufacturing

Tokyo,
remote
Permanent
10.0M - 16.0M JPY / Yearly
Company ProfileA global automotive components and mobility solutions company, formed through the integration of several established manufacturers. The company designs, manufactures, and sells components, systems, and services for automotive, transportation, and industrial machinery applications across the Americas, Europe, China, Asia, and Japan. The Role Goal of the role<ul><li>You will drive the development of IT policies and processes and lead governance-focused improvements to IT operating processes company-wide.</li><li>The team is responsible for building, embedding, and enforcing IT governance across both global and regional IT organizations. It also owns IT audit activities. In addition, the team maintains and updates the company's IT policies and internal regulations, ensuring a complete and well-organized IT policy framework.</li></ul>Key Responsibilities<ul><li>Review and standardize IT policies across all five global regions</li><li>Build and maintain a company-wide IT policy framework</li><li>Drive process improvements to strengthen IT governance</li><li>Lead IT audit documentation, compliance reporting, and governance guidelines</li><li>Design and operate IT governance frameworks (e.g., COBIT, TOGAF) - principles, policies, roles, and processes</li><li>Align IT governance with enterprise risk management and business continuity</li><li>Shape IT governance culture through training, ethics, and cross-functional collaboration with HR</li></ul> Your Skills <ul><li>(Must) 15+ years in IT, with hands-on IT governance experience</li><li>Strong communication skills; Fluent-level Japanese; business-level English (TOEIC 900+ or equivalent)</li><li>Framework expertise (COBIT, TOGAF) and IT risk management background</li><li>Strong analytical, facilitation, and stakeholder alignment skills</li></ul> Location Tokyo Salary10 - 16 million yen Reference Number: 06940-0013509251 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/RnJhbmNlcy5GYW4uMjI1MzguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-09-24T05:28:03Z

IT Manager

Tokyo,
remote
Contract
12.0M - 12.0M JPY / Yearly
The Role<div class="slds-chat-message__text_Bot"><div class="slds-p-left_medium"><ul><li>Brings 10+ years of experience in IT infrastructure management, including 3-5+ years in leadership roles overseeing help desk or service desk teams.</li><li>Has strong hands-on expertise across networking, including firewalls such as Palo Alto, Fortinet, and Cisco, as well as routers, switches, VPN, wireless technologies, Azure, and Microsoft 365.</li><li>Possesses solid experience with servers, monitoring tools, backup environments, and OT/SCADA systems within industrial or energy-sector settings.</li><li>Demonstrates knowledge of cybersecurity, compliance requirements, including Japanese regulations for critical infrastructure, and stakeholder management.</li><li>Offers business-level fluency in both Japanese for local stakeholder and regulator communication, and English for regional reporting.</li><li>Additional strengths may include certifications such as ITIL, CISSP, or CCNA, along with experience in renewable energy, critical infrastructure, or multinational and matrixed organizations.</li><li>The role covers leading the Japan IT team, managing office and OT infrastructure, ensuring cybersecurity and regulatory compliance, engaging key business stakeholders, and supporting renewable energy operations.</li></ul></div></div><div class="copyiconCSS slds-p-left_xx-small"><div class="pointer"> Location Tokyo Salary12 million yen Reference Number: 67040-0013463125 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</div></div><img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjk5NzU4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-07-23T07:49:43Z

Infrastructure Engineer

Tokyo,
remote
Contract
7.8M - 7.8M JPY / Yearly
Relevant ExperienceOver 10 years of experience with a global technology company, advancing from Technical Support Engineer to Technical Leader in customer delivery engineering. Specialized in datacenter networking design, including ACI, VXLAN/EVPN, and Nexus technologies, with extensive experience delivering large-scale projects for telecommunications, smart city, and critical infrastructure organizations in Japan. Most projects were delivered remotely from overseas in a consulting capacity, complemented by earlier onsite engineering experience in Japan supporting enterprise IT infrastructure.Tech StackExpert-level networking professional with multiple advanced certifications in enterprise networking, automation, and infrastructure technologies. Extensive expertise in datacenter networking, software-defined networking, security, and network automation using Python, Ansible, Terraform, NSO, pyATS, and Robot Framework. Additional experience includes Linux, Windows Server, virtualization platforms, Kubernetes, container technologies, and CI/CD tools, supported by numerous industry-recognized certifications across networking, cloud, and systems administration.AccomplishmentsLed large-scale network modernization initiatives, including migration from legacy datacenter fabrics to VXLAN/EVPN using Infrastructure as Code and Network as Code methodologies. Designed and implemented automated testing frameworks for enterprise datacenter deployments, developed software-defined campus network architectures integrated with enterprise identity services, and created over 200 automated network validation test cases covering major routing protocols and EVPN technologies for large-scale service provider environments. Location Tokyo Salary6.8 million yen Reference Number: 67040-0013457775 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure. <img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjI2NDk3LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-07-06T05:28:57Z

IT Consultant

Tokyo,
remote
Contract
6.0M - 7.2M JPY / Yearly
Company ProfileA global leader in industrial gases, technologies, and related services, supporting customers across a wide range of industries through innovation, digital transformation, and operational excellence. The Role<ul><li>Provide IT consulting and project support for business and technology initiatives across multiple functions</li><li>Gather and analyze business requirements, identify process improvement opportunities, and recommend technology solutions</li><li>Coordinate with internal stakeholders, vendors, and regional teams to support system implementation, enhancement, and troubleshooting</li></ul> Your Skills <ul><li>Experience in IT consulting, business analysis, project coordination, or IT project delivery</li><li>Strong communication and stakeholder management skills in a multinational environment</li><li>Ability to gather requirements, analyze business processes, and support technology implementation projects</li></ul> Key Highlights of the Role <ul><li>Opportunity to work with a globally recognized multinational organization</li><li>Exposure to regional and international stakeholders in a diverse business environment</li><li>Hands-on involvement in digital transformation and business improvement initiatives</li></ul> Location Tokyo Salary500,000 - 600,000 yen monthly / Start with a 3-month contract Reference Number: 06940-0013450114 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjUzNjI0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-07-02T06:44:23Z

Head of Infrastructure

Tokyo,
remote
Permanent
20.0M - 20.0M JPY / Yearly
Company ProfileA well-established global provider of insurance and financial protection solutions, serving customers across multiple markets. Recognized for its commitment to innovation, operational excellence, and technology-driven transformation, the organization offers a collaborative international environment where technology plays a critical role in enabling business growth and delivering value to customers. The Role<ul><li>Lead large-scale global infrastructure and technology programs across multiple regions.</li><li>Manage a strategic portfolio of projects, ensuring alignment with business objectives and technology roadmaps.</li><li>Drive PMO governance, financial planning, risk management, and portfolio reporting.</li><li>Partner with senior executives and cross-functional teams to deliver key transformation initiatives.</li><li>Lead and develop a high-performing team within a fast-paced global environment.</li></ul> Your Skills <ul><li>10+ years of experience in program management, portfolio management, or technology strategy within a multinational organization.</li><li>Proven track record delivering complex infrastructure projects from initiation through execution.</li><li>Excellent executive communication, stakeholder management, and reporting skills.</li><li>Strong financial management experience, including budgeting, forecasting, and investment planning.</li><li>Bachelor's degree in Business, Information Systems, Engineering, or a related field.</li></ul> Key Highlights of the Role <ul><li>Lead globally impactful technology and infrastructure initiatives.</li><li>Collaborate directly with senior leadership and key decision-makers.</li><li>Oversee strategic technology investments and enterprise-wide transformation programs.</li><li>Manage and mentor a sizeable team while shaping delivery excellence across the organization.</li></ul> Location Tokyo Salary20 million yen Reference Number: 06940-0013458300 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/YWhtYWQucm95YW5pLjY3MzA1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-07-07T02:32:13Z

Chief Technology Officer [Leading Cloud/AI Ops firm]

Tokyo,
remote
Permanent
30.0M - 40.0M JPY / Yearly
Company Profile<ul><li>Our client offers an industry-leading platform across AI, cloud infrastructure and software delivery for Fortune 500 companies and the fastest-growing AI-native businesses in the world.</li><li>The company sits at the intersection of two of the most durable enterprise technology tailwinds of this decade: the shift to cloud-native, AI-driven architectures. In light of this they are now building out senior, strategic capabilities in Japan to match the ambitions of their APAC growth and enterprise customers in the region.</li></ul>The Role<ul><li>As the CTO for Japan, you will be the company's most senior technical voice in the region - a trusted advisor to CIOs, CTOs, CISOs, and CEOs at the country's largest enterprises as they navigate digital transformation, AI adoption, and the operational complexity that comes with it. This is not a delivery or pre-sales role in the traditional sense; it is a strategic, executive-facing mandate to shape how Japan's most influential technology leaders think about visibility, resilience, and value realization at scale.</li></ul>You will:<ul><li>Advise C-level executives on rationalizing technology investment, adoption strategy, and ROI as they modernize their architectures for the AI era</li><li>Identify and shape industry-specific trends across Japan, feeding insights directly into global product, GTM, and architecture strategy</li><li>Represent the company's thought leadership on observability, security, and AI-era infrastructure at executive briefings, industry events, and with the region's most strategic accounts</li><li>Partner closely with sales leadership, solutions architecture, and marketing to build long-term strategic relationships - not transactional ones</li><li>Help build out the technical leadership bench in Japan as the region scales</li></ul>Your Skills<ul><li>15+ years of experience in enterprise or application architecture at scale, with deep fluency in cloud infrastructure, observability, and the broader technology shifts shaping Japanese enterprises today</li><li>A track record of advising and influencing VP- and C-level stakeholders inside large, complex organizations</li><li>A hands-on technologist who can move fluidly between deep technical detail and executive-level business narrative</li><li>Strong strategic and creative thinking across both technical and commercial challenges</li><li>Outstanding presentation skills in front of large audiences, from engineering practitioners to non-technical executives</li><li>Native-level Japanese with strong business English, spoken and written</li></ul>Key Highlights of the Role<ul><li>This is a newly created high-visibility role, working with global engineering teams, GTM and C-suite customers</li><li>AI adoption and cloud-native modernization are both accelerating simultaneously, and this role sits at the exact intersection where enterprise budgets are moving</li><li>Generous compensation, inclusive of RSU grant and employee stock purchase plan at a company with strong, consistent growth</li></ul> Reference Number: 06940-0013494404 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<img src="https://counter.adcourier.com/b3NrYXIudGFrZW5ha2EuOTUxNDcuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-08-25T08:48:46Z