Senior Lead Java Fullstack Software Engineer in Tokyo

About Appier Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information. Open to overseas candidates/Visa Support This position is based in Tokyo, Japan. For international candidates, Appier's Japan office provides visa sponsorship to ensure a smooth transition to Japan. The Impact You’ll Make at Appier Appier is seeking a Senior Machine Learning Scientist to join our Advertising Cloud Optimization team , which leads the development of core machine learning algorithms driving campaign efficiency and advertiser ROI. Our programmatic advertising platform operates at a massive scale, handling over multi millions queries per second (QPS), all powered by our proprietary deep learning models for bidding, pricing, and personalized content delivery. In this role, you'll measure ads incrementality on different type of traffic, creative, users, and also improve campaign efficiency on combination having good incrementality by machine learning model and AI automation. What You’ll Work On Leverage scientific methods to improve ads measurement . Drive online experiments to continuously improve ads effectiveness. Own the project independently. Partner with product stakeholder, backend and frontend to provide measurement solution for our customers. What We’re Looking For Master’s or PhD’s degree in Computer Science, Machine Learning, Statistics, Econometrics, or related field. 3+ years of industry experience on causal inference, incrementality, marketing mix modeling or other measurement solutions on digital Ads related fields, and understand the

Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compilers, platforms, networking, and semiconductors. Our diverse team of technologists have developed a high performance RISC-V CPU from scratch, and share a passion for AI and a deep desire to build the best AI platform possible. We value collaboration, curiosity, and a commitment to solving hard problems. We are growing our team and looking for contributors of all seniorities. Job title Senior DFT Engineer Job description We are looking for a person ready to take up the challenge of working in a high-profile project where we design and integrate multiple chiplets into a System-in-package, in collaboration with external stakeholders. You will work with Tenstorrent worldwide experts and leaders in the USA, Japan and other countries, and help us make our IP even better. In this role, you will be responsible for DFT implementation using industry standard tools for high-speed CPU core design. Your responsibilities Integrate and verify test features in digital designs for effective manufacturing testing and silicon debug. Key responsibilities include: Building entire chip-level DFT strategies Inserting DFTs, including scan chains, memory BIST, and JTAG Collaborating with RTL, physical design, and verification teams for testability throughout the design flow Scripting and automating DFT flows using industry-standard EDA tools (e.g., Cadence, Synopsys, Siemens) Running and analyzing ATPG and fault coverage reports Supporting silicon bring-up and debug related to test features Knowledge of advanced silicon technologies and methodologies for test coverage optimization Experience with formal verification and signoff of inserted DFT logic Strong communication and collaboration skills for cross-functional teamwork Exp

About Appier Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information. About the role Appier’s solutions are powered by proprietary deep learning and machine learning technologies to empower every business to use AI to turn data into business insights and decisions. As a Software Engineer, Data Backend, you will be involved in helping to build critical components of this platform. Responsibilities Design, develop, and maintain RESTful APIs using Python. Build and manage robust data warehouses utilizing ClickHouse, Trino/Presto and Pinot. Design and develop data pipelines using Apache Airflow and Apache Spark. Work closely with cross-functional teams to develop automation tools that streamline daily operations. Implement state-of-the-art monitoring and alerting systems to ensure optimal system performance and stability. Address queries from applications in a timely and effective manner, ensuring high client satisfaction. Work on cloud platforms such as AWS and GCP, leveraging their capabilities to optimize data operations. Utilize Kubernetes (k8s) for container orchestration to facilitate efficient deployment and scaling of applications. About you [Minimum qualifications] BS/MS degree in Computer Science 5+ years of experience in building and operating large-scale distributed systems or applications Experience in Kubernetes development, Linux/Unix Experience in managing data lake or data warehouse Expertise in developing data structures, algorithms on top of Big Data platforms Ability to operate effectively and independently in a dynamic, fluid environment Ability to wor

A key position within the WS Hardgoods team responsible for leading revenue growth and driving sell-through improvement for assigned accounts. This role creates sustainable growth by developing and executing account strategies, as well as driving VMD, inventory management, and product merchandising initiatives. Essential Functions and Key Responsibilities: Develop account-specific business plans by setting sell-through and sell-in targets for assigned accounts, and drive alignment and execution in collaboration with key customers. Drive in-store merchandising proposals and improvements, maximizing visibility and brand exposure through SIS installations and space expansion, while delivering clear differentiation from competitors. &#34;Annual terms negotiation (including pricing and trade conditions): Negotiate key commercial terms such as pricing, promotional support, and rebates, and finalize annual agreements while ensuring profitability.&#34; &#34;Demand Planning, Sell-through, and Inventory Management: <

About Appier Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information. The Impact You’ll Make at Appier We’re looking for a Staff/Senior Machine Learning Platform Engineer to join our Machine Learning Platform Team, which powers end-to-end infrastructure for model training, evaluation, deployment, and monitoring at scale. Our platform supports daily execution of hundreds of ML models and processes billions of data records across batch and streaming pipelines. In this role, you’ll shape the architecture and core components of our ML platform—covering batch (Spark), streaming (Flink), job orchestration (Argo on Kubernetes), and infrastructure tools—while ensuring the platform remains robust, scalable, and developer-friendly. You’ll also champion best practices and modern development tools including LLM-based programming assistants. What You’ll Work On Architect, implement, and scale batch (Spark) and streaming (Flink) pipelines that process billions of records daily for ML training and evaluation. Design and operate robust ML job execution frameworks for training, inference, and post-processing. Build and maintain internal API servers and developer tools to orchestrate ML jobs on Kubernetes (via Argo Workflows, Helm, Terraform). Design and monitor data infrastructure using ClickHouse and PostgreSQL. Ensure high availability and observability through monitoring tools like Prometheus and Grafana. Collaborate with data scientists, product managers, and engineers to deliver reliable and efficient ML platform capabilities. Actively adopt and promote the use of LLM-based tools (e.g.,

About Appier Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information. Open to overseas candidates/Visa Support This position is based in Tokyo, Japan. For international candidates, Appier's Japan office provides visa sponsorship to ensure a smooth transition to Japan. The Impact You’ll Make at Appier Appier is seeking a Senior Machine Learning Scientist to join our Advertising Cloud Optimization team , which leads the development of core machine learning algorithms driving campaign efficiency and advertiser ROI. Our programmatic advertising platform operates at a massive scale, handling over multi millions queries per second (QPS), all powered by our proprietary deep learning models for bidding, pricing, and personalized content delivery. In this role, you’ll directly impact the efficiency and profitability of ads campaigns by improving models for bidding, pricing , and personalized content recommendation , while ensuring system robustness and scalability in a dynamic market environment. What You’ll Work On Design, implement, and productionize state-of-the-art ML models to improve campaign outcomes. Analyze large-scale user and auction data to discover predictive patterns and alpha signals that enhance bidding and personalization. Collaborate cross-functionally with engineering, product, and data teams to identify opportunities, define roadmaps, and deliver impactful solutions. Continuously improve system performance through offline experimentation and online testing (e.g., A/B tests, incremental learning). What We’re Looking For Bachelor’s degree in Computer Science, Mathem

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Senior Media Activation Executive About the role The Media Activation team is responsible for providing thoughtful and exciting recommendations for Search, Social, Display, and Video, owning supplier relationships, and then executing those recommendations expertly. The Media Activation team leverages their mastery of each channel to make sure its recommendations are consistently excellent and innovative, and that in-channel performance and data integrity is maximized. Some of the things we’d like you to do: Audience research in syndicated and 1st party data sources Managing campaign launches across all relevant channels Responsible for In-flight campaign optimisation and hygiene to improve performance Responsible for producing campaign reports, including daily pacing, data inputting and providing insightful commentary and recommendations for clients Ensuring platform accounts align to all channel best practices, and also contributing to the ongoing evolution of best practice for your primary channel Providing assistance for new starters Interact effectively within your client team, and with the client

Position Summary: The Digital Experience (Senior) Supervisor is a position within the Brand Marketing Department responsible for end-to-end management of the digital experience on the official website — from planning and design through production, publication, and ongoing optimization. This role leads the production, updating, and maintenance of special sites and brand management pages related to brand content such as new products, services, and events, contributing to maximizing brand understanding, customer engagement, and demand generation in the Japanese market. This position is not simply a web production and operations role; it is responsible for enhancing brand understanding, product understanding, and customer engagement through the official website and owned channels. The role leads the planning, design, publication, and improvement of web experiences, appropriately managing external production and development agencies to improve both quality and speed. It also contributes to increasing brand value and business results through ongoing, data-driven improvement. Essential Functions and Key Responsibilities: Lead information architecture, page structure, wireframing, production progress, publication management, and ongoing optimization of special sites and brand management pages on the official website, based on a clear understanding of the planning intent, target audience, and key messaging. Design web experiences aligned with Brand Marketing strategy for owned digital initiatives such as new product launches, events, and campaigns, contributing to improved brand and product understanding, greater customer engagement, and optimized reservation/purchase pathways. Maintain a working understanding of HTML, CSS, CMS, and related technologies to make minor fixes as needed and provide direction to production agencies. Manage pre-launch QA, display checks, link checks, and tracking ta

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Job Specification Title : Senior Media Activation Manager Discipline : Media Activation About the role The Media Activation team is responsible for providing thoughtful and exciting recommendations for Search, Social, Display, and Video, owning supplier relationships, and then executing those recommendations expertly. The Media Activation team leverages their mastery of each channel to make sure its recommendations are consistently excellent and innovative, and that in-channel performance and data integrity is maximized. Some of the things we’d like you to do: Manage team members to deliver consistently across multiple campaigns. Responsible for Performance strategy and weaving into overall campaign strategy Full responsibility of the campaign performance from start to finish Ultimate accountability for adherence to controls and best practices across multiple channels Build annual learning agenda and test plan for assigned portfolios. Final approver on performance forecast and reforecast Develop multiple case studies throughout the course of the year Final driver of spend recommendation for all campai

This position drives sales maximization for clubs and other products on taylormadegolf.jp by executing new product launches and promotions in line with the GTM calendar, as well as running onsite acquisition programs through member-targeted email, LINE, and app channels. In addition to mass distribution, the role plans and executes 1-to-1 messaging to drive new customer acquisition and repeat purchases from existing customers, contributing to EC sales growth and improved profitability through efficient inventory clearance in coordination with MD. Essential Functions and Key Responsibilities: Plan and execute new product launches and various promotions in line with the GTM calendar Plan and execute traffic-driven acquisition initiatives using member-targeted email, LINE, and app channels Plan and execute new customer acquisition and repeat purchase promotion through mass distribution as well as 1-to-1 messaging Coordinate with the DNP team to implement step-distribution campaigns targeting past purchasers, strengthening customer engagement and driving F2/F3 conversion Plan and execute member growth initiatives by promoting membership registration benefits to non-member LINE followers and app users Drive traffic growth through the planning and execution of 1-to-1 push messaging via LINE and app Plan and execute efficient sales initiatives for high-inventory or priority-clearance products in coordination with MD Manage banner production, promotional page creation, and email/LINE/app settings required for promotion execution Create various reports and drive PDCA (Plan-Do-Check-Act) improvement cycles Knowledge and Skills Requirements: EC operations experience (planning and executing onsite p

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Senior Planner About the Role: We are seeking a highly motivated Senior Planner to join our team working on a key global client. In this role, you will be a key contributor to the development and execution of impactful, locally relevant campaigns that drive business growth and enhance the client’s brand presence in the Japanese market. You will work closely with the Planning Director, the broader team, and external agency partners to translate client briefs into actionable plans, leveraging data-driven insights, your understanding of Japanese consumers, media channels and cultural nuances. This role offers an exciting opportunity to shape a major brand’s presence in one of the world’s most sophisticated and unique markets, working within a global network. Some things we’d like you to do: Strategic Media Planning: Translate client objectives and strategies into actionable, highly effective, and integrated local media plans for the Japanese market, covering digital, traditional, and emerging media channels. Client Relationship Management: Act as a primary planning contact for local client stakeholders,

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Grey Japan： 1963年の日本での創業以来、私たちは「効果的なアイデア」を生み出すことに情熱を注ぎ、消費者をユーザーやファンに変えブランドを成長させてきました。 2025年からは「The New Market Maker」という新たな価値提案を掲げ、新たな挑戦を始めます。 アートディレクター 職務概要 Greyが掲げるDRIVING PRINCIPLEである「Famously Effective」を、あなたの卓越したクリエイティブの力で具現化していただくポジションです。 国内外の多様なチームと密接に連携しながら、グローバルな視点を持つクライアントのビジネス課題に対し、従来の「広告」という枠組みにとらわれない、革新的なコミュニケーション戦略を立案・実行していただきます。企画立案からビジュアル開発までを一貫して担当し、多角的なアプローチで最適なソリューションを提供。多様な媒体を通じて生活者の心を動かし、ブランドの熱心なファンへと導くことがミッションです。 日本を代表する大手ブランドの主要プロジェクトに多数携わる機会があり、常に刺激的な環境で、大きな成長とやりがいを実感できるでしょう。 担当業務 クライアントの課題解決に繋がるクリエイティブ戦略・企画の立案から実行まで、幅広い業務をお任せします。 クライアントのマーケティング課題やブランド戦略に基づいた、コミュニケーション戦略およびクリエイティブ企画の立案 グラフィックデザイン制作およびアートディレクション業務（プレゼンテーション含む） クリエイティブアイディアの発想、カンプ・コンテ制作、プレゼンテーション準備・実施 社内外のデザイナーや外部の協力会社と連携し、クオリティの高いクリエイティブを実現するためのディレクション 案件や状況に応じて、自ら手を動かしクリエイティブのクオリティを追求する実制作業務 求める経験・スキル 必須経験 広告代理店、制作会社等でのアートディレクション実務経験3年以上、またはデザイナーとしての実務経験5年以上 大手クライアントの主要プロジェクトにおける、企画立案、プレゼンテーション、ディレクションのご経験 戦略的思考に基づいたクリエイティブ開発能力、およびブランドマネジメントスキル 企画から実行までを一貫して推進できる問題分析力・問題解決能力 Photoshop、Illustratorを用いたグラフィックデザインの実務経験 日本語：ビジネスレベル以上 歓迎される経験・スキル CMプランニング、デジタル、アクティベーション領域におけるクリエイティブ経験

About the Team OpenAI’s Enterprise Go-To-Market organization helps the world’s largest companies adopt and scale our AI platform across their business, from ChatGPT Enterprise to our developer and APIs. We partner with organizations across Financial Services, Life Sciences, and Retail to build new AI-powered customer experiences, transform operations, and reimagine how work gets done in highly regulated and technically complex environments. As adoption accelerates through pilots, experimentation, and develop-led use cases, the GTM team turns that momentum into durable, enterprise-wide deployments. About the Role We are looking for a senior, high-agency Account Associate to help build and scale our Japan Strategic & Large Enterprise, DNB and Startup motion. This person should be able to create pipeline through thoughtful outbound, strong discovery, disciplined follow-up, and clear stakeholder mapping. This is not a junior execution role. It is a front-line role for someone who can help shape the motion while working closely with Account Directors, technical teams, and HQ. At the same time, this role is designed as a launchpad for future sellers at OpenAI. It’s a highly strategic position with meaningful exposure to enterprise sales, product, and customer strategy. You’ll build core skills in discovery, stakeholder mapping, deal shaping, and executive communication, while developing a deep understanding of how leading companies adopt AI. Recommended Seniority 7-10 years of total work experience 3-5+ years of relevant experience in SDR, BDR, inside sales, startup sales, enterprise/commercial AE, or similar GTM roles Some closing or full-cycle sales experience is strongly preferred We’re looking for individuals with 6+ years of total work experience who are motivated to grow into world-class enterprise sellers over time. Many people in this role go on to become Account Directors or take on broader GTM roles, but progression is based on performance and business needs

About the Team The AI Architect team partners with organizations to turn OpenAI's most capable models into meaningful, real-world impact. We work with customers across industries and digital-native businesses to identify where AI can create value, design secure and scalable solutions, and help those solutions move from early exploration into sustained production adoption. The team brings together technical strategy, customer partnership, and practical deployment expertise, working closely with Sales, Product, Engineering, Research, and specialist delivery teams. About the Role As an AI Architect, you will be the senior technical owner for a named portfolio of customers and the primary technical counterpart to their leadership teams. You will act as the “CTO of your book of business”, shaping each customer's AI strategy and guiding their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across ChatGPT Enterprise, the OpenAI API, Codex, and other agentic AI solutions. In partnership with the Account Director, you will translate business priorities into a focused use-case portfolio, an actionable adoption roadmap, and a clear path to durable customer value and growth. The Account Director owns commercial strategy; you own the technical strategy, customer journey, and path to production value. You will remain accountable for the technical outcome while bringing in the right specialists across deployment, implementation, enablement, security, product, and partners to provide deeper expertise and execute work where needed. This role calls for strong industry fluency, sound architectural judgment, and the ability to move confidently between executive strategy and hands-on technical conversations. In this role, you will: Serve as the primary technical advisor and long-term technical relationship owner for a named portfolio of existing customers and pre-sales prospect

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Regulatory Compliance Officer Our dynamic APAC Regulatory team is looking for a Regulatory Compliance Officer. The successful candidate will help build and scale Adyen’s business in Japan and be able to execute on the Regulatory Japan team strategy, be a trusted business partner and enable Adyen to create unique business opportunities while making ethical choices. What you'll do: Provide strategic regulatory advice towards internal and external stakeholders, as well as to the senior management, in line with Adyen’s commercial and strategic objectives which allow for scale; Anticipate and identify key regulatory obligations and integrity risks, and ensure these are addressed in a practical and scalable way; Transform identified obligations into relevant Policies and Procedures to be communicated and implemented across the global business; Represent Regulatory on a variety of work streams and products to establish regulatory strategies that align with global objectives and ensure controlled and compliant growth; Drive alignment with global stakeholders, including implementing new processes, leading process changes, or managing incidents; communicate effectively, ensure understanding of complex issues, and execute tasks with focus. Act as a point of contact for regulator interactions. Your day-to-day main responsibilities may change ac