<p><strong>Company Profile</strong></p><p>AI SaaS provider focused on bringing advanced causal inference technology from research to commercial application, transforming how businesses leverage data-driven insights.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Lead the development of our causal AI SaaS product, bridging cutting-edge research with practical business solutions across frontend, backend, AI infrastructure, and cloud platforms.</li><li>Report directly to the CTO as their right hand, driving technical strategy, architecture decisions, and rapid MVP development with full autonomy.</li><li>Establish AI-driven development standards using tools like Cursor, ClaudeCode, and Devin while leading offshore development teams.</li><li>Design and implement scalable architecture (SPA + asynchronous processing on AWS) and refactor existing services for growth.</li></ul><p> <strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>5+ years web application development experience (Vue/React, Python/Java, SpringBoot/FastAPI).</li><li>AWS architecture design experience (Lambda, SQS, EKS) with SPA + async processing patterns.</li><li>Practical experience with AI development tools and rapid MVP/hypothesis validation.</li><li>Experience in 2+ Scrum roles (PO/SM/Developer) and English proficiency for offshore collaboration.</li><li>Multi-tenant B2B SaaS or SOC2/ISO27001 compliance experience is a plus.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Rare opportunity to implement research-based causal AI technology into real-world business impact.</li><li>Clear career path to VPoE or Technical Fellow based on your aspirations.</li><li>Full remote/flextime work style with results-focused autonomy.</li><li>Stock options and competitive compensation.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9 - 12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013360777</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). 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.</em></p><img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjQ1MjI0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<p><strong>Company Profile</strong></p><p>A leading Japanese technology platform company specializing in the creator economy and influencer marketing space. The company operates a comprehensive ecosystem that connects content creators, influencers, and brands, facilitating collaborations and powering the rapidly growing creator economy in Japan. With strong market presence and proven technology solutions, the company is positioned for continued expansion and technological innovation.</p><p> </p><p><strong>The Role</strong></p><ul><li>Lead and scale the engineering organization as Head of Engineering, overseeing product development, platform architecture, and technical strategy</li><li>Manage and mentor a growing engineering team (currently 15-20 engineers), fostering a culture of technical excellence, innovation, and collaboration</li><li>Drive the technical roadmap in alignment with business objectives, focusing on platform scalability, performance, and new feature development</li><li>Oversee the full technology stack including web applications, mobile applications, backend infrastructure, and data systems</li><li>Partner closely with the CEO, product, and business teams to translate business requirements into technical solutions</li><li>Establish and improve engineering processes, best practices, and development methodologies to increase team efficiency and product quality</li><li>Lead recruitment efforts to attract top engineering talent and build a world-class engineering organization</li><li>Manage vendor relationships and technical partnerships as needed</li><li>Ensure system reliability, security, and performance across all platforms</li><li>Drive innovation in areas such as creator matching algorithms, analytics, and platform features</li></ul><p> <strong> </strong></p><p><strong>Your Skills </strong></p><p>Required:</p><ul><li>10+ years of software engineering experience with at least 5 years in engineering management or leadership roles</li><li>Proven track record of building and scaling engineering teams (15+ people)</li><li>Strong technical background with hands-on experience in modern web and mobile technologies</li><li>Experience with cloud infrastructure (AWS, GCP, or Azure) and scalable system architecture</li><li>Fluent Japanese (native or business level) is mandatory</li><li>Business-level English for communication with potential international partners and technical documentation</li><li>Strong leadership, communication, and stakeholder management skills</li><li>Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)</li></ul><p>Preferred:</p><ul><li>Experience in consumer-facing platform or marketplace businesses</li><li>Background in social media, creator economy, influencer marketing, or advertising technology</li><li>Experience with data-driven product development and analytics</li><li>Track record of successfully delivering complex technical projects in fast-paced environments</li><li>Experience building and managing mobile applications (iOS/Android)</li><li>Knowledge of machine learning or recommendation systems</li><li>Startup or high-growth company experience</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Shape the technical vision and strategy of a leading player in Japan's booming creator economy</li><li>Build and lead a high-performing engineering team with significant autonomy and impact</li><li>Work directly with executive leadership to drive company growth and innovation</li><li>Tackle exciting technical challenges at the intersection of social media, e-commerce, and marketplace dynamics</li><li>Be part of a fast-growing company in a dynamic industry with strong market tailwinds</li><li>Competitive compensation package including salary, equity, and benefits</li><li>Flexible work environment with a collaborative, innovation-driven culture</li><li>Office located in central Tokyo with excellent access</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>15 - 18 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013358135</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). 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.</em></p><img src="https://counter.adcourier.com/c3VlLnRpbmcuNzE3NDEuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>About the Role</strong><br />A fast-growing fan community application is looking for server-side engineers to support ongoing expansion. The role involves designing, building, and improving core features using Node.js. This is an opportunity for those passionate about technology and product development.</p><p><strong>Responsibilities</strong></p><ul><li>Develop and maintain backend features with Node.js</li><li>Propose and test ideas for product improvement</li><li>Work with product managers to clarify requirements and solve problems</li><li>Option to contribute in infrastructure-related areas depending on your interests</li></ul><p><strong>Product Overview</strong><br />A subscription-based app connecting creators and core fans in exclusive communities. Creators drive content and engagement, creating a rewarding experience for all participants.</p><p><strong>Team & Work Style</strong></p><ul><li>15 engineers, 2 product managers, 3 support members</li><li>Flat structure, encouraging new ideas and challenges</li><li>Fully remote and flexible work environment</li><li>Frequent collaboration and knowledge sharing via Slack</li></ul><p><strong>Tech Stack</strong></p><ul><li>Node.js, GCP, AWS, MySQL, BigQuery, Redis</li><li>Agile methodology</li></ul><p><strong>Requirements</strong></p><ul><li>Experience leading or playing a key role in backend development and product release</li><li>Experience working on agile teams with product managers</li><li>Passion for technology and product building</li><li>Strong communication and teamwork skills</li></ul><p><strong>Nice to Have:</strong></p><ul><li>Experience with large-scale or high-traffic systems</li><li>Payment system or mobile/web development experience</li><li>Knowledge of live streaming technologies</li><li>Turning high-level concepts into working systems</li><li>Experience working with product managers/designers</li></ul><p>JO: 06940-0013356210</p><p>Location: Tokyo</p><p>Annual Salary: ￥15,000.000</p><img src="https://counter.adcourier.com/c3VlLnRpbmcuNTg3ODkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
