SoftBank

Leads customer implementations of LLM and generative-AI systems from architecture through production, building full-stack solutions and improving model quality.

Leads enterprise AI implementations from requirements to production, designing architecture, data connectivity, and RAG pipelines while guiding technical standards in a hybrid Tokyo role.

Lead internal audit teams, plan risk-based audits, analyze processes and evidence, prepare reports, and present improvement recommendations to management. Tokyo-based with remote work available. English audit experience is required.

Lead BESS and EMS commercialization through business planning, regulatory compliance, project management, partner coordination and stakeholder negotiations. Remote work is available.

Plans and develops EMS services for homes and commercial users, integrating batteries and solar devices with web/mobile apps, cloud systems, APIs, and AI-based demand and generation forecasting.

Assess corporate cybersecurity risks, shape security strategies and roadmaps, and support implementation. Lead proposals and projects, coordinate stakeholders, and develop consulting services.

Drive commercial development of AI-RAN/Open RAN base-station software, planning milestones, tracking progress and quality, coordinating teams and partners, and improving development processes.

Design and advance private cloud infrastructure for mobile networks, drive cloud-native automation, propose growth strategies, and improve network functions with related teams.

Leads SB OAI Japan’s corporate brand strategy, messaging, guidelines and communications, coordinating marketing, PR, recruiting, HR and executives across internal and external initiatives.

Lead global procurement of AI-server components, negotiate with overseas suppliers, build supply chains, and coordinate contracts, assurance, and incident response. Remote work is available.

Leads AI server production with overseas ODM partners, covering specifications, design reviews, quality, repairs, returns and mass production. Tokyo-based; remote work available.

Build generative-AI systems for strategic customers from prototypes through deployment. Implement RAG, agents and full-stack features, improving quality through evaluation.

Leads generative-AI system design and production deployment for strategic customers, including RAG, agents, evaluation, security, stakeholder coordination, and technical support.

Build production AI systems for customers from requirements through operations, working with FDEs and customer IT teams in a hybrid Tokyo role with remote work available.

Provides legal support through contract review, new-service and campaign advice, project support, partnerships, and litigation or dispute response. Remote work is available.

Lead a new healthcare app across three domains, setting vision, roadmaps and KPIs, managing PdMs, and coordinating engineering, design, medical and business teams.

Design B2B marketing strategy for an AI business, covering research, messaging, content, campaigns, events and PR while coordinating with sales and product. Remote work is available.

Operate and improve a Kubernetes-based KaaS platform for GPU cloud services, focusing on reliability, infrastructure as code, observability, and GPU performance. Remote work is available.

Develop and evolve the satto generative AI agent by proposing practical product applications, building AI-enabled features and algorithms, and improving a SaaS product with modern web technologies.

Drive planning and improvement of a Kubernetes as a Service platform by turning customer needs into features, analyzing usage, setting technical standards, and coordinating internal and external stakeholders.

Lead planning, design, development, and operations improvement for shared PaaS services such as DBaaS, IAM, KMS, and STaaS, plus project management for a shared development platform.

Develop a Kubernetes-based KaaS platform by designing, building, and testing cluster management, container, multi-tenant, network, storage, and security functions.

Develop orchestration functions and PaaS services for a company-wide cloud platform across IaaS, KaaS and network environments, improving automation and operations. Remote work is available.

Handles contracts, legal consultations, compliance, regulatory research, and risk management for an OpenAI joint venture, supporting new AI and SaaS services in Tokyo with remote work available.

Plan products and solutions for enterprise Agentic AI adoption, shape concepts from customer and market needs, lead PoCs through productization, and coordinate roadmaps.

Support the CEO and COO with strategic research, proposals, executive materials, and project PMO work. Coordinate stakeholders, manage risks, and build processes for an AI business.

Lead fintech and InsurTech projects for insurers and platform partners, from business planning and requirements through implementation, documentation, and stakeholder coordination.

Develop new services and business models for utility, industrial, and residential BESS and EMS, planning deployment, revenue models, projects, and alliances with external partners.

Shape next-generation digital infrastructure and new businesses through market analysis, business planning, partnerships, project delivery and PoC execution.

Leads strategy and business planning for AI and next-generation social infrastructure, assessing markets, technology and policy while shaping projects, alliances and M&A.

Lead investor relations and corporate planning for an AI infrastructure business, preparing disclosures, engaging investors, shaping strategy and reporting market feedback. Remote work is available.

Drive an AI server manufacturing business from strategy to execution, coordinating data centers, suppliers and manufacturing sites while managing plans, contracts, partner negotiations, investment decisions and operations.

Develop smart-building and office services through market research, service design, PoC execution, and commercialization, coordinating with global affiliates and external partners.

Plan and manage B2B voice communication and cloud PBX products, translating customer and market needs into strategy and coordinating AI-agent initiatives through launch and lifecycle operations.

Supports GPU procurement and supply-chain operations for next-generation AI servers, managing reviews, KPIs, issues, contracts, and partner negotiations.

Develop and drive company-wide strategy for next-generation social infrastructure, integrating AI, cloud, data centers, and manufacturing while coordinating stakeholders and cross-functional programs.

Lead AI product strategy for next-generation social infrastructure, setting service roadmaps, prioritizing development requirements, shaping go-to-market plans, and aligning stakeholders.

Lead service planning and project management for IoT, API, messaging, and location platforms, from concept and business planning through launch, operations, and new-technology PoCs.

Design and introduce electrical or HVAC systems for data and network centers, coordinate design firms, manage construction, plan renewals, develop technologies, and promote energy efficiency.

Analyze yield, failure, and initial-defect data for ODM-produced AI servers, manage BOM and design changes, and coordinate reviews, KPIs, partner meetings, and quality improvements.

Develop and validate mobile, IoT, and broadband-router devices or Android/iOS service apps, while handling testing, project coordination, and hardware quality assurance.

Lead cross-functional delivery of an AI server infrastructure project, managing progress, risks, decisions and KPIs while resolving technical issues with GPU makers, ODMs and operations teams.

Plan, design and build submarine-cable, landing-station and domestic backbone optical networks. Lead large projects, coordinate diverse stakeholders, and solve infrastructure challenges.

Design, build and optimize electrical, cooling and data-hall fit-out systems for high-density AI data centers, coordinating vendors and managing safety, quality, operations and PUE efficiency.

Develop AI agents and business applications using LTM and generative AI, implementing RAG, APIs, and autonomous improvement loops to automate telecom operations. Tokyo; remote work available.

Leads corporate system proposals, design, implementation and project management using CDP, cloud, data platforms, generative AI and ETL, coordinating customers and partners.

Lead architecture, development, vendor coordination, and operations for IoT, API, messaging, and location platforms serving consumer and business services. Remote work is available.

Plan and drive development of smart-building and smart-city products, defining requirements, coordinating engineers and partners, managing projects, and advancing PoCs and product value.

Supports enterprise customers by proposing, designing, and implementing IaaS, PaaS, and DaaS solutions on Azure, AWS, and GCP while managing related projects. Remote work is available.

Lead technology strategy and architecture for disease-specific AI services using medical and health data. Design secure, scalable AI platforms with LLMs, RAG, machine learning and cloud technologies.

Consult with corporate customers and propose, design, build, and deploy security solutions across AI, IT, OT, cloud, identity, data, and monitoring domains; remote work is available.

Leads IT service operations for major corporate customers, manages infrastructure and application teams, resolves incidents, and drives service improvements and automation. Remote work is available.

Operate network, cloud and security infrastructure for corporate and public-sector customers, including on-premises systems, SASE, Azure and AWS. Troubleshoot incidents and improve services.

Advise public-sector clients by analyzing operations, defining requirements, preparing proposals, and coordinating developers and partners. Remote work is available.

Delivers AI, cloud, and data solutions for customers, from requirements and architecture through implementation, deployment, and improvement while developing AI applications and agents.

Plans and develops corporate internet and network security services, designs service architectures and specifications, evaluates AI and cloud technologies, and drives projects with internal teams and vendors.

Design and build large-scale AI compute and storage platforms, including GPU clusters, Kubernetes, high-speed storage, automation, and customer-facing GPU cloud services.

Design and improve large-scale AI data-center networks, GPU interconnects, and multi-tenant GPU cloud connectivity with infrastructure specialists. Remote work is available.

Design and operate SoftBank's commercial mobile core network, including equipment evaluation, deployment, and stakeholder coordination across 4G/5G platforms.

Design, verify, build, and improve IP, transport, access, and related networks while advancing AI-enabled automation, equipment planning, and commercial deployment.

Develop cloud product strategy and roadmaps for next-generation social infrastructure, assess investments, and guide equipment selection in Tokyo, with remote work available.

Develop and lead training, fine-tuning, evaluation pipelines, and deployment of the Large Telecom Model using network data and GPU infrastructure to improve telecom operations.

Designs and deploys telecom cloud infrastructure for mobile services, spanning virtualization, containers, compute, and networks. Coordinates with vendors and internal teams; remote work is available.

Manage enterprise application projects, coordinating requirements, delivery, quality, cost and risk. Project leads design, build and test cloud-based web applications.

Develop government systems from requirements through release, covering web applications, APIs, data integration and cloud architecture, with AI-driven development. Remote work is available.

Leads AI-agent and data-platform projects for corporate customers from proposal through implementation, managing delivery, customer coordination, and partners. Remote work is available.

Plans, designs, develops, and operates voice, email, SMS, and RCS platforms, modernizing legacy systems with cloud, containers, automation, and CI/CD.

Supports enterprise SaaS adoption from proposal through design and build, and manages projects involving Microsoft 365 and Google Workspace. Remote work is available.

Shape long-term AI computing infrastructure strategy, forecast demand, guide GPU, cloud, data-center and network planning, and align stakeholders. Tokyo-based; remote work available.

Operate general affairs and governance functions for SB OAI Japan, covering office services, facilities, internal rules, approval systems and board support. Remote work is available.

Lead engineering recruitment for SB OAI Japan, managing hiring strategy, selection, onboarding, recruiting processes, team coordination, channels, branding, and KPIs. Remote work is available.

Manage AI risk reviews and data-governance controls, improve standards, propose mitigations, coordinate stakeholders, and advance ISMS/AIMS certification. Remote work is available.

Lead QA for generative AI products and customer systems, defining quality standards and test strategy, evaluating AI risks, reviewing partner work, and guiding release decisions.

Researches policy and regulations for digital infrastructure businesses, negotiates with ministries and external organizations, and supports service design. Remote work is available.

Plan and launch healthcare businesses for corporate and municipal clients, designing strategies, coordinating partners, managing KPIs, and analyzing the medical app market; remote work is available.

Leads business strategy, KPI and financial management, presales operations, process standardization, and AI-enabled transformation for SoftBank’s enterprise AX business across multiple teams.

Develop and execute logistics strategies using AI models, data platforms and physical AI, coordinating industry, government and internal stakeholders. Tokyo-based; remote work is available.

Develop and launch decentralized water-infrastructure services by shaping business strategy, partner programs, policy proposals, service models, and sales plans for underserved regions.

Develop strategy and new businesses for banking, securities and financial-industry partners, using group data, services and technology to design digital infrastructure, partnerships and PoCs.

Plan technology strategy and services for sovereign cloud and AI platforms, lead proof-of-concepts, partner alliances, requirements coordination, investment evaluation, and cross-functional projects.

Leads smart-building consulting projects, translating client needs into strategies, proposals and solutions while coordinating schedules, issues, vendors and internal teams.

Support healthcare and medical service launches through legal, IP, contract, data-protection and regulatory work, collaborating with business, product, medical and engineering teams.

Plan and execute sales strategies for an IP radio service, manage sales members and KPIs, negotiate with agencies and corporate customers, and develop proposals and contracts to grow revenue.

Designs and delivers data-driven, performance-based healthcare cost programs for municipalities and insurers, including interventions, impact measurement, contracting, bidding, implementation, and project management.

Lead strategy, restructuring, M&A and PMI for group companies, manage projects, and oversee business performance and finances. Remote work is available in Tokyo.

Manage local-government healthcare projects, align medical and community stakeholders, and improve resident participation, continued use, KPIs, health outcomes and medical-cost efficiency.

Supports company-wide M&A and investment deals through opportunity sourcing, business evaluation, due diligence, valuation, term negotiation, schedule and stakeholder management, and subsidiary or JV formation.

Manage security export-control reviews under Japan’s Foreign Exchange and Foreign Trade Act and U.S. EAR, assess risks, improve processes, and advise business teams. Remote work is available.

Lead new-business strategy in insurance and finance, including market analysis, business planning, PoCs, commercialization, and alliance negotiations. Remote work is available.

Develop healthcare business strategies, design business and revenue models, negotiate alliances with external organizations, and lead large-scale projects from planning through execution. The role spans healthcare, government, insurance, finance, AI, data, and technology.

Lead Cloud PF Type A product planning, service development, business growth, and pre-sales, advising corporate customers on cloud adoption, migration, security, AI, and multicloud solutions.

Improve safety management for autonomous bus operations, analyze incidents, develop preventive measures and manuals, monitor operations, and plan operator training nationwide.

Drive B2B sales for IoT, M2M and 1NCE solutions, partnering with sales teams to identify opportunities, propose deployments tailored to customer needs, support implementation, and improve products.

Plan automotive and transportation infrastructure, develop business models, lead stakeholder projects, and negotiate PoCs with OEMs and Tier 1 suppliers. Remote work is available.

Evaluate the structural safety of base-station equipment, review calculations and drawings, and improve construction through standardized methods, automation, AI, and technical coordination.

Support autonomous vehicle safety and uptime through after-sales maintenance, fault diagnosis, repairs, supplier coordination, and technical training. Tokyo with remote work available.

Plan indoor mobile-network solutions from RF design through construction and quality improvement, coordinating owners, contractors, and teams. Remote work is available.

Develop and deploy 5G/5G SA and next-generation RAN technologies, analyze network quality, test new systems, strengthen resilience, and improve operations through AI and automation.

Lead SOC security monitoring by analyzing alerts and incidents, improving and automating operations, managing team members, and communicating with enterprise customers. Remote work is available.

Design and operate corporate IT and security for SB OAI Japan, including identity, devices, SaaS, AI tools, incident response, risk controls, vendors, and office security. Remote work is available.

Design and build sovereign AI and cloud infrastructure with IaC, CI/CD, and Kubernetes. Support customer AI platforms and deployments; the Tokyo role allows remote work.

Lead AI, data, cloud, and security proposals for major financial clients. Manage requirements through testing as a PM or technical lead, and support DX initiatives.

Build and operate a generative AI/LLM platform with agents, APIs and MLOps capabilities. Support deployments and turn requirements into common components. Remote work is available.

Develop AI-RAN/Open RAN base-station software across Layers 1–3, using C/C++, GPU/CUDA and 3GPP specifications to optimize high-performance 5G Advanced and future 6G networks.

Leads corporate security service planning from requirements and development through launch and ongoing operation, coordinating projects, vendors, stakeholders, and expansion initiatives around SASE products.

Lead private SOC operations for government and enterprise clients, handling customer reporting, issue management, proposals, staffing, and partner oversight. Remote work is available.

Lead product management for consumer healthcare and medical services, using user behavior data to plan improvements, define KPIs, guide UX and development, and run growth tests.

Design and build WAN/LAN and security solutions for corporate and central-government customers, supporting proposals, requirements definition, delivery, and project management.

Lead the planning, architecture, implementation and operational improvement of SoftBank’s private IaaS/KaaS cloud platform, automating delivery and operations while driving standardization and feature growth.

Supports enterprise customers with mobile-solution proposals, design, implementation and operations planning for devices, MDM, security and networks, while coordinating projects.

Develop CI/CD platforms for AI-RAN base-station software, building AI-driven test automation, log analysis, automated code fixes and retesting, plus generative-AI development support.

Design and build sovereign cloud platforms, portals, security foundations, custom PaaS services, and KMS from technical planning through deployment. Remote work is available.

Operate XDR- and SIEM-based security monitoring, analyze alerts, respond to incidents, design customer-specific monitoring, and improve SOC operations through generative AI and automation.

Design, launch, and continuously improve reliable production operations for AI systems, covering monitoring, SLOs, incident response, automation, security, performance, and cost.

Leads AI-native transformation across development teams by testing LLM tools, supporting AI PoCs, building reusable assets, and shaping new development processes. Remote work is available.

Leads AI and public-cloud product strategy, go-to-market planning, vendor negotiations, and stakeholder decisions across sales, SE, development, and executives. Remote work is available.

Proposes and implements smart-building network, security, building OS, and application solutions, coordinating equipment connectivity, vendors, issues, schedules, and delivery for connected offices and facilities.

Plan, design, build, and improve SoftBank’s corporate LAN/WAN infrastructure, covering Wi-Fi, switches, firewalls, VPN, proxies, load balancers, and Linux servers. Remote work is available.

Develop enterprise cloud and gateway services through portal requirements, specifications, testing and operations, or SDN gateway design, build, maintenance and release support.

Leads cloud and security pre-sales for a major retail group, from requirements gathering through proposals and presentations, while coordinating stakeholders and project delivery.

Manage BOLDLY’s internal IT strategy, endpoints, SaaS, networks and security while advancing governance, workflow improvement and automation. Remote work is available.

Design and deliver enterprise cloud-voice solutions through presales, architecture, implementation, and project management for PBX, Teams Phone, contact centers, and AI voice services.

Develop backend systems for digital-twin services, supporting 3D geospatial and real-time data processing, cloud infrastructure, AI data pipelines, and automated delivery.

Lead AWS-based systems for MaaS and autonomous-driving services, translating business requirements into designs, directing external development partners, improving CI/CD and IaC, and resolving incidents.

Drive presales for corporate security services, from customer interviews and requirements definition through solution design, PoC, estimates, and proposals.

Supports global corporate clients by designing and delivering WAN, cloud, IoT and security solutions, from requirements definition through implementation and project management.

Lead architecture design for core systems supporting high-precision positioning services, including technology selection, cloud-to-on-premises migration, operational planning, and performance, availability, and cost optimization. The role also covers capacity planning, load-test planning, and handover to operations. Tokyo-based with remote work available.

Design, develop, and operate a shared AI platform (PaaS), building APIs, SDKs, RAG, governance, and data capabilities for safe AI application development. Remote work is available.

Build and operate automation for base-station rollout data, equipment demand and logistics, construction progress, internal system operations, reporting, and AI-enabled process improvements.

Lead IoT and SaaS product planning and delivery for business customers, coordinating roadmaps, development, alliances, and customer deployment. Tokyo-based; remote work is available.

Build alliances with Japanese SaaS companies and system integrators, design partner programs, coordinate internal teams, and support customers’ practical use of AI. Remote work is available.

Propose vehicle contracts, GPS and IoT solutions, and driving-data services to corporate clients. Lead sales from discovery through closing while coaching team members.

Drive B2B used-car and vehicle-data businesses through performance analysis, sales improvement, partner development, negotiations, and project leadership. Tokyo; remote work available.

Support enterprise customers through AI-service onboarding, AI CoE setup, usage improvement, and coordination with Solution Architects and FDEs. Remote work is available.

Research insurance-industry challenges, plan new services, build insurer-platform alliances, coordinate launches, and improve new-business operations.

Plan DX and digital services for insurance and business clients, conduct market and customer research, lead discussions, and write proposals and reports. Remote work is available.

Lead FP&A and corporate planning for an OpenAI joint venture, designing P&L/KPI models, analyzing results, preparing reports, and supporting decisions. Remote work is available.

Plan and operate IT security measures, audit company products, assess SOC service adoption, and conduct customer-requested security checks while improving internal and product security.

Operates SoftBank’s generative-AI compute, private-cloud, and internal networks; designs services, improves operations, troubleshoots failures, develops OSS tools, and handles network security.

Plans and develops new consumer businesses and services in AI, XR and other emerging technology areas, from market analysis and partner alliances through PoC, launch, business planning and growth.

Lead planning, requirements, proof of concept, development, and operational improvement for an AI platform optimizing used-smartphone sales, with remote work available from Japan.

Plan strategies and business models for next-generation social infrastructure in IP and content, validate opportunities, lead projects, and negotiate PoCs with rights holders.

Propose vehicle contracts, fleet-management and GPS IoT solutions, and driving-data initiatives to business customers. Own discovery, proposals and closing while addressing cost, staffing and efficiency challenges.

Plan consumer-business strategy at SoftBank by analyzing performance, user behavior, competitors, KPIs and LTV, then turning findings into actions and measurable improvement.

Develop new InsurTech businesses by researching insurer and platform needs, designing proposals, building alliances, and supporting next-generation system adoption. Remote work is available.

Drive alliances and service development for vehicle-data businesses, identifying partners, negotiating terms, coordinating contracts, and launching solutions for corporate customers. Tokyo-based with remote work available.

Plans energy facilities for AI infrastructure and green transformation, including batteries and power generation, and coordinates design, EPC, permits, and supplier contracts. Remote work is available.

Develop and commercialize xIPF data-platform use cases by shaping business plans, PoCs, partnerships, KPIs, and revenue models across energy, logistics, mobility, and disaster prevention.

Propose DX and AI Transformation solutions for central ministries and local governments, combining cloud and security services to address public-sector challenges. Remote work is available.

Drive HAPS commercialization projects, define flight and weather-response requirements, coordinate aviation authorities and manufacturers, and align stakeholders. Remote work is available.

Design and develop APIs for broadband inquiry and application processing, connecting multiple systems. Improve interfaces, performance, availability and delivery; remote work is available.

Lead in-house development of a generative-AI crew-agent platform, guiding architecture and quality across frontend, backend and AI workflows; remote work is available.

Develop systems for corporate data and voice service activation from requirements through release, coordinate with related systems and teams, and improve development quality.

Lead PMO delivery for satellite mobile direct services, coordinating partners, field validation, service expansion, and next-generation planning. Remote work is available.

Develops web applications for communications and new services, from requirements through release, with a frontend focus and work across backend, databases, testing, and reviews.

Design and improve orchestration systems for broadband service activation, covering requirements, development and release with Java, RDBs and related tools. Remote work is available.

Plan AI- and data-enabled water-infrastructure businesses, leading strategy, pilot projects, service design and coordination with municipalities, agencies, universities, industry groups and private partners.

Lead enterprise proposals for Crystal Intelligence, coordinating SoftBank sales and partners from customer discovery through contracts, estimates, and closing. Remote work is available.

Design and operate a secure healthcare platform on AWS and Oracle Alloy, building APIs, authentication, data integration, developer tools, analytics, access controls, and automated operations.

Analyze PHR, EMR, and health-check data to improve hypertension risk prediction and behavior-change AI services. Develop models, generate medical insights, and support new healthcare features.

Lead a healthcare app area from product planning through launch and growth, defining roadmaps, requirements, and KPIs while coordinating product and cross-functional teams.

Lead architecture for healthcare services, translating user and medical-business needs into system requirements, defining APIs and data models, and coordinating development vendors and external partners.

Plan GX strategy and projects, research decarbonized energy, advance power procurement, and commercialize energy-management solutions while coordinating alliances and team operations.

Develop partner strategies and AI/cloud collaboration models, analyze technology trends, coordinate stakeholders, conduct investment due diligence, and prepare executive materials.

Manage budgets and capital investment for telecom networks, IT, and next-generation digital infrastructure, analyze costs, develop strategies, and support management decisions.

Propose IT infrastructure solutions to corporate customers in Tokyo, identify their issues, develop existing accounts, open new ones, and pursue orders. Remote work is available.

Build partnerships for an autonomous mobility business, shape joint business models, support proposals and delivery, and manage contracts, risks and results. Remote work is available.

Plan and evaluate store promotions for fixed broadband, electricity, and gas, using AI-supported analysis and coordinating internal teams and retail partners. Tokyo-based with remote work available.

Leads autonomous-driving mobility projects from customer-needs discovery and planning through stakeholder coordination and implementation with municipalities, companies, and partners. Remote work is available.

Drives AI service and new-business projects from concept to launch, organizing customer value, plans, quality, budget, schedules, stakeholders, and decision-making. Tokyo; remote work available.

Develop healthcare solutions for health insurance societies and corporate clients, set strategy and KPIs, respond to RFPs, and manage implementation and adoption with stakeholders.

Plans and improves My SoftBank app and web services, using data and AI for personalized experiences, development coordination, KPI design, analysis, monetization, and group-service initiatives.

Lead account sales for enterprises with annual revenue above ¥100 billion, researching needs, proposing IT solutions, coordinating teams, and supporting deployments. Remote work is available.

Handles customer inquiries and incidents for global corporate IT services, coordinates with overseas carriers and vendors in English, and improves network-based operations.

Develop online application systems for SoftBank’s broadband business across web and shops, handling design, coding, testing, releases, and maintenance. Remote work is available.

Leads AI-driven process reform for telecom infrastructure operations, from use-case planning and PoCs through implementation, rollout, training, and field adoption. Remote work is available.

Improves cloud-service operations through service-desk quality management, operator support, process improvement, cross-team coordination, and automation. Remote work is available.

Operate mission-critical IT systems for domestic communications, handle incidents, design operations for new and replacement systems, automate work, and improve service quality.

Develop and improve telephony systems for SoftBank services, covering web application requirements, design, implementation, testing and release across backend, frontend and database layers.

Build and maintain enterprise systems for corporate applications, contracts, billing, and activation. Work from design through release and apply generative AI to improve testing.

Design and develop AWS, Azure, and Google Cloud platforms for SoftBank, propose cloud-use strategies, and improve governance, automation, standardization, and operations with internal teams.

Operate and improve servers, storage, databases, and GPU infrastructure for generative AI, handling incidents, preventive maintenance, performance analysis, automation, and operational documentation.

Develop the frontend of an internal AI-agent platform used by SoftBank staff, building React and TypeScript interfaces, chat streaming, API integrations, tests, and performance improvements.

Plan and lead generative-AI products for the Y!mobile online shop, define recommendation logic, select and manage vendors, and drive AI adoption across the business unit.

Develop receivables, installment, and points-management systems for telecom services, from requirements and design through coding, testing, release, and maintenance. Remote work is available.

Lead in-house cloud security product development across planning, requirements, architecture, mobile apps, testing, cloud systems, operations, and improvement. Tokyo role; remote work is available.

Define core-system requirements for corporate customers, organize business needs, coordinate stakeholders, and support functional, non-functional, and UAT planning.

Develop telephony web applications for voice calls and operator support, building frontend and backend layers from requirements through release while reviewing code and improving quality.

Supports corporate network service operations through escalation handling, inquiry analysis, process improvement, stakeholder coordination, and AI-enabled efficiency initiatives.

Support startup investments from due diligence through closing by coordinating reviews, valuation materials, contracts, teams, and monitoring of investee companies. Remote work is available.

Design business and external strategies aligned with national policy, engage government and industry stakeholders, research potential partners, and validate opportunities for new businesses.

Support startup investments from sourcing through closing by planning sourcing, analyzing markets and competitors, coordinating due diligence, engaging stakeholders, preparing executive materials, and performing risk analysis.

Lead solution planning and business development for ichimill, using high-precision positioning and related products to address corporate challenges, develop customers and partners, and create new markets.

Analyze consumer-business customer, market, and service data, implement generative AI in marketing-analysis processes, and support business decisions, reporting, and initiative improvement.

Conduct data-driven, non-face-to-face sales to small and midsize corporate customers, using AI and digital tools to propose telecom, network, cloud, and AI solutions and support DX.

Manage monitoring, incident response, system onboarding and automation, while coordinating major incident recovery, risk, quality, user inquiries and improvement across company-wide IT systems.

Plans and builds internal operations systems with the Large Telecom Model and generative AI, covering user interviews, requirements, architecture, data preparation, AI-agent and RAG prototyping, evaluation, and production implementation.

Design, implement, and operate cloud contact-center and AI solutions for corporate customers, handling requirements, operational planning, incident response, technical support, and service improvements.

Supports enterprise customers and sales teams with cloud, AI, and data-center proposals, delivery, operations, incident response, and service improvements. Remote work is available.

Conduct internal audits across the company and its group companies, using interviews and data analysis to assess risks, prepare workpapers and reports, and present recommendations to executives.

Design and operate Salesforce-centered SaaS for corporate business, gathering internal needs and leading requirements, development, testing, releases, vendor coordination, and support.

Develop in-house telecommunications systems with Java, SQL, and generative AI, covering design, implementation, testing, release, and AI-output review. Remote work is available.

Operate Microsoft 365 and device-management environments for corporate customers, troubleshoot issues, analyze operational challenges, and propose practical improvements. Remote work is available.

Manage experienced-hire recruiting for assigned business units, from sourcing and interviews through offers, closing, and recruitment initiatives. Tokyo-based with remote work available.

Plan email marketing, improve websites and landing pages, manage lead nurturing and analytics, and create SEO-oriented content that generates B2B leads and sales opportunities.

Lead company-wide BPR and consulting projects by analyzing current operations, designing To-Be workflows with generative AI, and defining system requirements and development plans.

Lead design and development of AI platform infrastructure for enterprise AI agents, including Knowledge Graphs, GraphQL APIs, update processing, and shared backend components. Remote work is available in Tokyo.

Leads QA framework design and hands-on quality work for AI services, building EvalOps, assessing Agent, RAG and LLM applications, automating tests, and driving improvement from evaluation results.

Lead research and business planning for green-transformation technologies and investment projects, including due diligence, investment assessment, technology validation, and commercialization.

Track electricity and environmental policy trends, prepare internal reports and proposals, negotiate with public authorities, and coordinate stakeholder relations for carbon-neutral energy initiatives.