Jobs in Japan
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
Explore 761 hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
92 open jobs
OpenAIThe AI Deployment Engineering team is responsible for helping developers and enterprises safely and effectively deploy OpenAI technologies in production. We act as trusted technical advisors and thought partners for customers, working side by side with their teams to identify high-value use cases, design practical architectures, and move from prototype to durable deployment. Cybersecurity is one of the most urgent domains where AI can help. Security teams are under pressure to reason across code, logs, infrastructure, tickets, alerts, and vulnerability data faster than ever. As frontier models become more capable, organizations need deep technical guidance on how to evaluate, validate, and safely deploy AI systems in security-critical workflows.
MercariAs a Security Engineer in the Mercari Platform Security Team, your work will be strengthening the resilience and enhancing the security posture of the foundational platform on which our services are built. This is an important role within Mercari that involves executing impactful projects across the organization. Through these projects, you will help ensure the integration of and compliance with security best practices, frameworks, and regulations across the Mercari platform.
RakutenDepartment Overview The Ad Product Section (APS) division is a high-performance, global team distributed across Tokyo, Singapore, India, and China. We pride ourselves on being a hub of technical excellence, where motivated, diverse, and talented engineers collaborate to solve complex problems at scale. We are seeking a Senior Software Engineer to join our team and help us define the next generation of our advertising platform. This is not just a coding role; it is a position of architectural and technical cultural leadership. You will own the end-to-end product development lifecycle, leveraging a modern tech stack and AI-augmented workflows to deliver high-impact solutions. We are looking for a technologist who doesn't just keep up with the industry, but shapes it—someone who thrives on building scalable systems, mentoring the next generation of engineers, and integrating AI to push the boundaries of productivity and software quality. If you are a builder who values technical rigor, thrives in cross-functional environments, and is eager to contribute to Rakuten’s expansive global ecosystem, we want to talk to you.
Micron TechnologyOur vision is to transform how the world uses information to enrich life for all. Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence. As a Sr. or Staff Design Engineer in the NVE Design Engineering Core group at Micron Technology, Inc., you will contribute to the development of memory products that are best-in-class.
RakutenDepartment Overview Rakuten is a leading global e-commerce company. Our mission is to contribute to society by creating value through innovation and entrepreneurship. At Rakuten, we drive disruptive innovation, engaging knowledge, creativity and passion from around the world to achieve ambitious goals and help build communities in which people can pursue their dreams and live in happiness. Ad Product Section boasts a highly motivated, skilled, talented, and friendly team spread across Tokyo, Singapore, India, and China. We are looking for someone who can quickly integrate and collaborate effectively with our team. We are seeking a dynamic full-stack software engineer to take on technical ownership and responsibilities throughout the product and project development lifecycle. The ideal candidate will possess the ability to solve a wide range of technical and business challenges. We are looking for a tech-savvy individual who is unafraid to step out of their comfort zone and explore new technologies. Position: Position Details This role offers the opportunity to build a robust tech career by developing multiple products within Rakuten's expansive ecosystem and innovative technology cluster. Roles and Responsibilities 1) Project Execution - Requirement gathering and analysis - Convert business requirement to tech requirement - System design - Coding and implementation - Code review and maintain code quality/standard - Unit testing, verification, validation - Deployment/Rollback operation for DEV, STG, PROD - After-release monitoring, regular maintenance 2) Collaboration - Working closely with the project manager, tech lead, architect and other project members - Collaborate with a separate QA team and DevOps team - Collaborate with cross-culture, cross-border development team during the project execution 3) Always Improve, Always Advance - Understand the whole product and system and suggest the technical improvements - Understand the future business and product needs and suggest system improvement in advance - Think one step ahead, verify up-coming technology and prepare roadmaps to utilize those Mandatory Qualifications: - More than 7 years of hands-on software development experience as a Software Engineer - Strong technical design and implementation skill - Strong analytical and problem-solving skill - Complete and hands-on experience of Agile development and SCRUM - Team player and easy going person - Proactive, self-starter and self-motivated - Perform under immense pressure - Good communication skills with tech/non-tech people - Strong get-things-done mind with a sense of ownership - Experience using AI tool like Cursor to improve the code quality and productivity Technical - Java spring (Boot+Batch) - MySQL - NoSQL (MongoDB) - GCS, BigQuery, Dataproc - Kafka - Version Control - Git - Jira or similar project and task management tool Desired Qualifications: Technical - Big Data (Hadoop, Hive, Spark) - REACT, ANGULAR - NoSQL (Couchbase, Cassandra, Redis) - Big Data (Tez, Presto) - Test Automation JUnit - Code Quality - Sonar - Streaming platform - Kafka, RabbitMQ - CI/CD - Jenkins - BI Tool - MicroStrategy, Tableau - The experience about enterprise system architecture design such as data pipeline design
Micron TechnologyThe Principal Design Engineer in Micron’s NVEG (Non‑Volatile Engineering Group) organization will own and evolve the timing-critical circuitry between the NAND array and page buffer. This role is for a designer who is equally strong in architecture, transistor-level implementation, and physical aware timing closure – and who can lead technical direction across teams to deliver robust, scalable datapath solutions. You will drive designs that directly impact throughput, timing margin, power and yield, partnering closely with page buffer, array device, clocking, physical design, test, and product teams.
RakutenDepartment Overview The Ad Product Section (APS) division is a high-performance, global team distributed across Tokyo, Singapore, India, and China. We pride ourselves on being a hub of technical excellence, where motivated, diverse, and talented engineers collaborate to solve complex problems at scale. We are seeking a Senior Software Engineer to join our team and help us define the next generation of our advertising platform. This is not just a coding role; it is a position of architectural and technical cultural leadership. You will own the end-to-end product development lifecycle, leveraging a modern tech stack and AI-augmented workflows to deliver high-impact solutions. We are looking for a technologist who doesn't just keep up with the industry, but shapes it—someone who thrives on building scalable systems, mentoring the next generation of engineers, and integrating AI to push the boundaries of productivity and software quality. If you are a builder who values technical rigor, thrives in cross-functional environments, and is eager to contribute to Rakuten’s expansive global ecosystem, we want to talk to you.
Micron TechnologyJoin our bold and extraordinary team at Micron Memory Japan as a Non-volatile Memory Designer! In this remarkable role, you will be at the heart of developing modern NAND Flash memory technologies. You will develop and optimize interface circuits, data transfer circuits, memory arrays, page buffer and string drivers, analog circuits, and logic controllers. Your contributions will be vital in successfully delivering powerful NAND products that set new industry standards.
RakutenGlobal Ad Technology Supervisory Department (GATD) manages the whole of the advertising systems that power Rakuten. We are a cross-functional and data-driven organization working together in a diverse team spread across five countries: Japan, Singapore, India, China and UK. Our vision is to empower our internal and external stakeholders by providing data driven marketing solutions by developing the Ad delivery, Audience Management, Tracking, Reporting and Data Sync Platforms. Our team develops and operates an ad serving platform that is widely used in Rakuten's overall services, including Rakuten Ichiba.
RakutenRakuten FinTech Group Company provides fintech services, including credit card and other payment services, loyalty points program, internet banking, securities trading, and insurance. You will be responsible for planning strategy and taking a lead position for the infrastructure of fintech (financial) services, including credit cards and other payment services, Rakuten point programs, Internet banking services, securities trading services, insurance services, R-Pay, Edy, and Rakuten Wallet.