<p><strong>Company Profile</strong></p><p>A Tokyo-based technology company operating within the digital content and platform industry is expanding its engineering organization to support continued user and revenue growth. The company develops and operates a subscription-based community platform that connects users with creators and enables interactive, real-time engagement at scale. With steady expansion in both domestic and overseas markets, their focus is on building a modern, high-availability infrastructure that can meet growing traffic demands. The engineering team values thoughtful design, pragmatic automation, and a culture of reliability-driven ownership.</p><p><strong> </strong></p><p><strong>The Role</strong></p><p>We are seeking a Senior Site Reliability Engineer (SRE) who will play a key role in ensuring the platform's reliability, scalability, and performance. This position goes beyond operating systems-it's for an engineer who thinks about end-to-end stability, anticipates potential failure points, and designs resilient infrastructure. You'll work closely with development, product, and operations teams to enhance observability, automate deployments, and implement improvements that sustain growth at scale.</p><p> </p><p><strong>Key Responsibilities</strong></p><ul><li>Design, implement, and operate multi-cloud infrastructure with GCP (primary) and AWS (secondary).</li><li>Develop infrastructure-as-code solutions using Terraform and CI/CD pipelines with CircleCI.</li><li>Enhance observability and monitoring with Datadog, driving proactive issue identification.</li><li>Partner with developers to improve backend performance, fault tolerance, and deployment reliability.</li><li>Manage containerized systems (Docker; Kubernetes experience a strong plus).</li><li>Participate in on-call, incident response, and post-incident optimization to strengthen reliability.</li><li>Maintain detailed documentation and drive continuous improvement in operational processes.</li><li>Mentor engineers and promote best practices in infrastructure automation and service ownership.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Solid experience in SRE, infrastructure, or DevOps roles with production system ownership.</li><li>Hands-on experience with GCP, Terraform, and modern observability tooling (Datadog, PagerDuty, etc.).</li><li>Strong coding ability in Python, Go, or TypeScript, including practical automation experience.</li><li>Deep understanding of system reliability, failure recovery, and risk-aware deployment design.</li><li>Familiarity with Linux administration, networking, and CI/CD workflows.</li><li>Strong communication and stakeholder management skills.</li><li>Business-level English; Japanese is not mandatory; willingness to learn for collaboration.</li></ul><p><strong> <br /> Preferred Qualifications<br /></strong></p><ul><li>Experience building or operating large-scale web or mobile platforms.</li><li>Knowledge of container orchestration (Kubernetes, Docker).</li><li>Performance tuning experience with MySQL or similar databases.</li><li>Understanding of distributed architecture and scalable system design.</li><li>Proven mentorship or cross-functional collaboration experience.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Direct impact on the reliability and scalability of a high-traffic digital platform.</li><li>Work within the digital entertainment and content platform space supporting real-time engagement.</li><li>Exposure to multi-cloud infrastructure with modern DevOps tooling (GCP / AWS / Terraform / Datadog).</li><li>Hybrid work setup (2 days per week in the Tokyo office; Wednesday required).</li><li>Discretionary working hours (typical schedule 11:00-20:00).</li><li>Minimal on-call responsibilities; focus on proactive reliability engineering.</li><li>Competitive salary range ¥7M-¥12M, based on experience and contribution.</li><li>Supportive, collaborative, and technically mature team environment.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013394544</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/c3VlLnRpbmcuNTM5NTkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.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>Company Profile</strong></p><p>Global cybersecurity leader specializing in Endpoint Detection & Response (EDR) solutions is expanding its Tokyo engineering team. The company protects enterprise customers worldwide by analyzing massive volumes of threat data from millions of endpoints in real-time.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Join the core engineering team building a completely next-generation EDR platform that has secured board-level funding and is moving into production phase</li><li>Design and implement backend services in Rust that process data from 6 million sensors streaming 1,000 messages per minute with sub-second response times</li><li>Build data ingestion pipelines and microservices that maintain reliability under extreme throughput while optimizing cloud infrastructure costs</li><li>Architect scalable distributed systems using containerization, cloud-native technologies and streaming data platforms</li><li>Develop APIs and integrations connecting security tools across enterprise IT environments</li><li>Collaborate with an international engineering team (English-speaking) to implement AI-driven threat detection capabilities</li><li>Work on genuinely complex technical challenges where system reliability isn't optional. It's mission-critical!</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><p>Essential Requirements:</p><ul><li>Production experience in Rust required (or exceptionally strong C++/Go/Java with immediate willingness to transition to Rust)</li><li>Proven track record building high-scale distributed systems handling millions of users or data points, not just thousands</li><li>Deep understanding of system reliability trade-offs: performance versus cost, speed versus fault tolerance</li><li>Hands-on experience with cloud platforms (AWS/GCP/Azure), containerization, and microservice architecture patterns</li><li>Solid foundation working with both SQL and NoSQL databases; streaming data systems experience is a bonus</li><li>Currently based in Japan or hold valid work authorization to work in Tokyo</li><li>English language proficiency for international team collaboration</li></ul><p>Welcome Experience:</p><ul><li>Background in cybersecurity, SIEM systems, or observability platforms</li><li>Experience with Kafka, Flink, Redpanda, or other data streaming technologies</li><li>Familiarity with ELK stack, time-series databases, or real-time analytics frameworks</li><li>Previous work optimizing cloud infrastructure costs at scale</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join at the perfect timing as team has grown to 15+ engineers and is establishing technical leadership layers, creating fast-track paths to Team Lead positions</li><li>Work on greenfield architecture where your technical decisions will shape the product for years to come</li><li>Solve genuinely hard problems: maintain performance while processing petabyte-scale threat data across distributed global infrastructure</li><li>Join a truly international team where English is the primary language and remote collaboration is built into the workflow</li><li>Modern tech stack from day one-no legacy monoliths, just cloud-native microservices and streaming pipelines</li><li>Competitive compensation package reflecting the urgency and strategic importance of these hires (budget available up to ¥15M for exceptional candidates)</li><li>Located in Otemachi, Tokyo with convenient access to multiple train and subway lines</li></ul><p> </p><p><strong>Apply Confidentially</strong></p><p>Send your resume with "Rust Engineer - Cybereason" in the subject line. All applications and conversations will be handled with complete discretion. Even if you don't meet every requirement but have strong systems-thinking and Rust capabilities, we encourage you to apply.</p><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9 - 15 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013358136</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/S2hhbmcuTGUuNjk4MzQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>Company Profile</strong></p><p data-start="375" data-end="709">A Japan-based fintech company providing cross-border payment solutions is seeking an experienced <strong data-start="472" data-end="489">iOS Developer</strong> to help build and scale its merchant-facing mobile application. This role offers a rare opportunity to design and develop a mobile product from the ground up, shaping both the technical architecture and user experience.</p><p data-start="711" data-end="1033">You will play a key role in creating intuitive mobile experiences that support merchant onboarding, payment acceptance, financial management, and reporting. The position involves close collaboration with product managers, backend engineers, and Android developers to deliver high-quality mobile solutions across platforms.</p><p data-start="1035" data-end="1167">While the company operates in a remote-first environment, this role is based in Tokyo and requires willingness to relocate to Japan.</p><p data-start="1035" data-end="1167"><strong>The Role</strong></p><ul><li>Develop and maintain the merchant-facing iOS application</li><li>Collaborate with product managers and engineers to define, design, and ship new features</li><li>Contribute to mobile architecture and technical design across iOS and Android platforms</li><li>Work closely with backend engineers to design and implement mobile features</li><li>Ensure high performance, reliability, and usability of mobile applications</li></ul><p><strong>Your Skill</strong></p><ul><li>3+ years of experience in iOS application development</li><li>Strong knowledge of modern iOS SDKs and the mobile development lifecycle</li><li>General understanding of the Android platform and Kotlin</li><li>Experience integrating mobile applications with RESTful APIs</li><li>Solid understanding of mobile UI/UX best practices and platform design guidelines</li><li>Ability to work across multiple areas of the tech stack (T-shaped developer mindset)</li><li>Strong collaboration and communication skills</li></ul><p>Nice to Have</p><ul><li>Experience with cross-platform mobile frameworks</li><li>Experience working in a Japanese business environment</li><li>Intermediate-level Japanese language skills</li></ul><p><strong>Key Highlights of the Role</strong></p><ul><li>Flexible remote work with optional office access</li><li>Paid vacation plus additional seasonal leave</li><li>Paid birthday leave</li><li>Self-learning and skill development budget</li><li>Japanese language training support</li></ul><p><strong>Location</strong><br />Tokyo</p><p><strong>Salary<br /></strong>15.5 million yen</p><p> </p><p>Reference Number: 06940-0013342911</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/S29qaS5ZYWdpbnVtYS4zMTgwNS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p><strong>Company Profile</strong></p><p>This is one of Japan's largest global technology companies, offering a wide range of services across e‑commerce, fintech, digital content, communications, and AI/data platforms.</p><p> </p><p><strong>The Role</strong></p><ul><li>Design, develop, and maintain backend services and APIs for large-scale applications</li><li>Implement scalable service architecture with reliability, performance, and security in mind</li><li>Build and maintain cloud infrastructure (AWS / GCP) for large-scale systems</li><li>Implement and manage CI/CD pipelines using tools such as Jenkins, GitHub Actions, or GitLab CI</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Strong programming skills in Python, Go, Bash, or similar scripting languages</li><li>Experience building backend systems (API development, microservices, distributed systems)</li><li>Strong knowledge of cloud platforms: AWS, GCP</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Tokyo-based role with collaboration across global engineering teams</li><li>Opportunity to work with advanced cloud, data, and DevOps technologies</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>4,700 yen hourly</p><p><strong> </strong></p><p>Reference Number: 06940-0013365575</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/c2Fvcmkua29kYWthLjU3NDc1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
