DeNA

Handle DeNA Group’s monthly, quarterly, and annual consolidated closing, prepare disclosure materials, review reorganization accounting, support audits, and improve accounting workflows.

Own customer success for sports and live-entertainment software services, leading onboarding, adoption, retention, support operations, and expansion from implementation through ongoing use.

Sources and evaluates startups, primarily in AI, handles due diligence and investment execution, and supports post-investment business development and synergies across DeNA.

Develops initiatives for Pococha partners, turning creator and user insights into programs and coordinating internal teams and external alliances to support business growth.

Plans Pococha in-app events, gifting experiences and new revenue ideas, leading cross-functional work from concept and validation through release, KPI review and results reporting.

Runs user-acquisition campaigns for casual mobile games, managing bids, budgets, creative tests and attribution while analyzing results to improve CPI and ROAS.

Creates visual communications for Pococha campaigns and events, from key visuals and in-app assets to landing pages, print materials and venue graphics. Shapes creative direction, guides collaborators and vendors, and helps improve production quality and workflows.

Design and validate UI/UX for Pococha’s live-streaming community, shaping complex features and information architecture while collaborating with product and engineering partners.

Designs, builds and operates network infrastructure across service platforms and office environments, including cloud and data-center networks, incident response, performance analysis and operational automation.

Lead end-to-end M&A transactions, from strategy and target sourcing through valuation, due diligence, negotiation, closing, and post-merger integration, while advising executives.

Develop digital marketing strategies and campaigns across existing and new businesses, manage budgets and external partners, and strengthen team expertise. Remote work is available.

Supports game and live-streaming businesses through contract drafting and review, legal research, risk assessment, compliance design, and advice on privacy, AI, and data use.

Develop B2B distribution strategies for anime, manga, and game merchandise, expand retail channels, improve wholesale models, and feed buyer and market insights into product planning.

Lead digital advertising operations and agency direction for Pococha, using daily data analysis, A/B tests, measurement tools, and AI to improve new-user acquisition efficiency.

Own growth-area M&A and investment deals from sourcing through due diligence, valuation, structuring, negotiation and closing, then support PMI and business development.

Support business leaders as an HR Business Partner by planning and executing people strategies, developing organizations, advising on HR issues, and assessing talent and performance across diverse business stages.

Analyze growth-investment trends, develop theses for potential new businesses, source startups and VC networks, support due diligence and deal execution, and assist with post-investment growth.

Lead partnerships and new-market initiatives for a real-world healthcare data business, covering alliance strategy, contract negotiations, evidence support, and cross-functional execution.

Lead rights-holder outreach and negotiations for entertainment goods, securing anime, manga, and game IP, setting merchandise terms, and managing licensing contracts.

Designs and drives go-to-market plans for Pococha feature releases, coordinating product, engineering and marketing teams to communicate value and increase user adoption.

Senior Account Executive role using in-house AI expertise to propose solutions to large enterprises, with work at DeNA offices in Shibuya or Yokohama and approved remote work.

Advise pharmaceutical and research clients on using medical big data, lead proposals and projects, strengthen existing relationships, and develop new markets for evidence-based health initiatives.

Lead IP merchandise projects end to end, covering P/L planning, pricing, cost control, rights-holder and partner negotiations, cross-functional direction, sales-channel selection, and SNS promotion.

Lead the Pococha product management team as a hands-on manager, shaping product concepts and roadmaps, prioritizing initiatives, and coordinating cross-functional delivery through implementation.

Lead onboarding and adoption of the kencom health app for municipalities, planning setup, KPIs and promotions, directing resident registration efforts, and improving ongoing use.

Design UI/UX and interactions for DeNA services, from user-story hypotheses and feature planning through iOS and Android app interfaces, web pages, banners, and ongoing improvements.

Design UI/UX and GUI assets for smartphone games in a global new-strategy initiative. Create graphics, Figma flows, and interactive designs while balancing quality, cost, and schedule.

Lead supplier selection, production planning, cost and delivery control, and quality and risk management for anime IP merchandise across the manufacturing and logistics supply chain.

Lead an approximately 10-person QA team across multiple services, managing testing, quality improvements, and stakeholder feedback while building AI-enabled verification processes. Remote work is available.

Build and improve Pococha's in-app WebView features as a frontend specialist, using Next.js, TypeScript and React while improving testing, delivery and development infrastructure.

Develop and improve Pococha’s iOS app for live streaming and community events, implementing features, refining UI interactions, improving stability, and modernizing its foundation.

Manage platform development projects by coordinating schedules, issues, requirements, stakeholders, meetings, and multiple development companies. Remote work is available.

Develop and improve Pococha's Android app for live-streaming and events, implementing features, refining UI interactions, strengthening the codebase, and streamlining development with AI tools.

Develop AI applications for HR, talent, and organizational development. Lead LLM integration, RAG architecture, post-training, AI evaluation, and UX/UI improvement.

Lead planning, requirements, design, delivery, and improvement of healthcare big-data and AI products, working with engineers, scientists, business teams, and external partners.

Builds game client features and debugging tools, then engineers GitHub Actions release pipelines, CI/CD workflows, deployments, and incident troubleshooting across development, QA, and production.

Support DeNA businesses with privacy compliance, security consultations, incident response, education, audits, AI-enabled process improvement, documentation, and group-wide governance.

Manage company PCs and mobile devices from procurement through disposal, maintain Windows and macOS updates, operate MDM and endpoint security tools, and improve IT support.

Lead technically challenging game projects by developing game clients and client platforms, including tools and libraries, while guiding design, performance, and AI-assisted development.

Work hands-on on server-side systems for a large game platform, developing developer SDKs and web applications while improving operations, reliability, scalability, and engineering practices.

Build APIs, batch jobs, features and admin tools for Pococha, improving performance and architecture for a high-traffic social platform. Japan-based remote work is available.

Turn alliance partners’ abstract needs into practical technical requirements and system architectures, then support design, development delivery, stakeholder coordination, and project management.

Build and operate healthcare data platforms, integrate medical and customer data, and improve data models, quality controls, and AI and medical DX systems. Japan remote work is available.

Lead mobile game graphics engineering in Unity, designing rendering systems and shaders, researching solutions, tuning performance, developing asset tools, supporting artists, and contributing to client development.

Leads AI use-case discovery and projects from requirements and proposals through POC and implementation, coordinating clients, business units, engineers, and stakeholders across sports and gaming domains.

Lead data engineers and LLM Ops engineers, design and operate secure healthcare data platforms, translate business strategy into technical plans, and build the organization.

Lead server-side engineering for a browser-based game platform used by millions of people each month. Design and operate backend systems, developer SDKs, and web applications while modernizing long-running Perl infrastructure and platform functions for accounts, authentication, authorization, and payments.

Lead Pococha’s product strategy and new-feature delivery, coordinating design, engineering, marketing and operations teams to improve its live-streaming community experience.

Develop graphics for smartphone games with Unity, researching, designing, and implementing visual solutions while handling shaders, assets, tools, performance tuning, and broader game-client work.

Plan real-world-data research and municipal health analyses, using SQL, R, Python and SAS for data processing, statistical analysis, reporting, and healthcare R&D implementation.

Lead game-business analytics by defining KPIs, assessing A/B tests, combining player and marketing data, improving data infrastructure, communicating insights, and mentoring analysts.

Lead cross-business data projects from architecture and technology selection through release and operations. Build pipelines and warehouses, and improve ELT, monitoring and quality.

Analyze Pococha product, marketing, and business initiatives through impact estimates, effectiveness checks, A/B test design, KPI dashboards, user-behavior insights, and generative AI.

Conduct vulnerability assessments for web, mobile, and game applications, support incident response, and develop security tools. Advise business teams and apply AI to testing and defense.

Lead core-system operations, requirements definition, system implementation support, and back-office process improvements with users, from Tokyo/Yokohama offices or approved remote locations.

Applies data analysis and AI across DeNA businesses, builds data-use and AI analysis platforms, and turns insights into business strategy, service improvement, CRM, and new initiatives.

Builds and improves LLM workflows for AI products, working with product managers and full-stack engineers on implementation, evaluation, operations, quality, latency, cost, and reliability.

Develop new creator-economy services and partnerships for DeNA’s live-community business, balancing user experience and commercial growth.

Engage with local governments and medical institutions to restructure healthcare delivery systems using digital transformation solutions.

As a Promotion Producer, you will be responsible for planning and executing promotional strategies for TV and theatrical animation works, collaborating with various stakeholders.

Operate and improve DeNA’s internal SaaS systems, introducing tools, automating workflows and coordinating employee needs across the group.

Lead the technology for the '1 to 10' phase in creating future health solutions.

Join the game development team as a client engineer, leading development and working on game clients and client infrastructure.

Develop and operate the healthcare platform 'kencom' for health insurance associations and local governments.

Lead the evolution of a healthcare entertainment app, contributing to the extension of healthy life expectancy.