Engineering Jobs in Japan
Japan's tech scene is hiring international engineers. Browse frontend, backend, mobile, DevOps, data, and machine learning roles at companies that welcome English-speaking talent. Many offer remote work, visa sponsorship, and no Japanese requirement.
109 open positions
Refine with filters →Backend & Cloud Engineer
Citadel AIWe are looking for a backend engineer to collaborate with a small full-stack team to build cloud infrastructure and products for evaluating, monitoring, and governing AI systems. You will have broad responsibilities across cloud infrastructure and product backends. On the cloud infrastructure side, you will work on latency and cost optimization, scalability, monitoring, and deployments. On the product side, you will work on web servers, SQL databases, LLM/AI libraries, GPU inference, API design, integrations with external services (e.g., SSO), and generic product features for the governance of AI models and agents. The host product is primarily operated on Google Cloud (mainly Compute Engine, Cloud Run, Cloud Build, Artifact Registry, and Vertex AI). Self-hosted deployments on Azure and AWS are also supported. The backend is implemented mainly in Python. Technologies used: Docker, Helm, Tilt, OpenTofu, PostgreSQL, Redis, FastAPI, Flask.
Project Manager
株式会社ベンジャミン[Job Description] As a Project Manager (PM) for contracted projects (approximately 80% are AWS projects), you will primarily be responsible for upstream processes such as proposing solutions to clients and designing business workflows. <Detailed Job Description> You will manage 2-3 projects, and work with sales to propose solutions to decision-makers such as management, collaborating with the sales team to secure projects and collaboratively developing and implementing systems to solve client problems. * Unique Project Assignment System! Project assignments can be tailored to individual interests and passions. To help employees develop their strengths, assignments are determined after consultations with supervisors and executives regarding current status and future career prospects. For example, employees who want to utilize their English skills may be assigned to projects with overseas companies! <Technical Areas> • Infrastructure (AWS, GCP, Azure) • Development Languages (Node.js, react.js, PHP, Python, Go) • Databases (DynamoDB, MySQL, PostgreSQL) • SaaS (Salesforce) • Others (OpenAI, IoT) <Company Appeal> ■ Our company culture is full of challenging spirit, allowing you to improve your skills while working closely with other employees. ■ You can increase your market value by working with cutting-edge technologies. Specific projects include "Modern front-end application development such as PWA/SPA," "Serverless system development utilizing AWS managed services," and "Business system development utilizing SaaS services such as Salesforce." ■ Fully remote work possible / Complete team system / Growing towards IPO
Software Engineer
株式会社ベンジャミンAs a member of a prime project, you will be responsible for development on a project already in operation. You may also work on our own services, and we will discuss with you projects that help you build the skills needed to achieve what you want to do in the future. <An environment where you are allowed to do what you want to do> ■ For what each employee wants to do, our president and managers—who also have extensive experience as engineers—think seriously about it and provide the most suitable projects and environment. For example, for an employee who wanted to become a global talent, we launched a global team and appointed that person as its leader. We gave that employee projects with overseas companies, and they are now active as a global talent. <Company appeal> ■ Because of our culture of strong challenge and ambition, you can improve your skills while competing and growing together with your colleagues. ■ You can increase your market value while working with cutting-edge technologies. Specific projects include "modern front-end app development such as PWA/SPA," "serverless system development using AWS managed services," and "business system development leveraging SaaS services such as Salesforce." ■ Full remote work available / fully team-based / growing toward IPO <Technical areas> ・Infrastructure (AWS, GCP, Azure) ・Development languages (Node.js, react.js, PHP, Python, Go) ・DB (DynamoDB, MySQL, PostgreSQL) ・SaaS (Salesforce) ・Others (OpenAI, IoT)
IT Security Specialist, IT Security Group - Information Security & Privacy Governance Department (ISPD)
RakutenThe Technology Management Division (TMD) provides corporate IT, cyber security, and privacy governance to Rakuten Group companies and essential business management for technology organizations, thereby enabling innovation and strengthening its foundation in technology. Within TMD, the Information Security Supervisory Department (ISSD) combines proactive cyber defense with strategic information security, privacy, and data governance to protect the company’s global assets and data. The Information Security & Privacy Governance Department (ISPD) enables and accelerates business growth by establishing, maintaining, and enhancing robust information security, privacy, data, and AI governance frameworks across the Rakuten Group. We ensure Rakuten's global operations are secure, compliant, and innovative by adhering to regulatory requirements, providing comprehensive employee training, strategically managing data assets, and governing AI responsibly. This role belongs to the IT Security Group within the Information Security & Privacy Governance Department. Our objective is to develop measures to ensure that our organizational data remains secure. While doing this, we often partner with other departments to advise them on security best practices. Partner with our Corporate IT department to secure enterprise SaaS applications and cloud services. Implement and maintain CASB, cloud firewall, email security, and data protection policies. Monitor security alerts and investigate potential security incidents involving cloud and SaaS services. Support security incident investigations and coordinate remediation with IT and cybersecurity teams. Review new software, SaaS applications, and cloud services to identify potential security risks. Develop and improve security monitoring, reporting, and automation workflows. Collaborate with our Cybersecurity Defense department to protect Rakuten applications and services.
Senior Frontend Engineer, BSS Platform - BSS Development Department (BSDD)
RakutenBusiness Overview The Technology Platforms Division (TPD) drives the growth of the Rakuten Ecosystem by delivering innovative, high-quality technology platforms characterized by integrated control and strategic partnerships. Within TPD, the Telecom Business Application Supervisory Department (TBASD) develops and maintains a unified, high-quality Business Support System (BSS) for Rakuten Mobile. We deliver agile, scalable solutions across the customer lifecycle and continuously enhance system performance through close collaboration with stakeholders. Department Overview At BSS Development Department (BSDD), we are managing and evolving the Business Support Systems (BSS) platform, a critical backbone of Rakuten Mobile services. The main functions that BSS provides are: end-customer touchpoints (front-ends, mobile applications for onboarding and for plan management), billing and integration with the core systems of Rakuten Mobile. Just as Rakuten Mobile has disrupted the mobile industry, we're committed to delivering exceptional value to our business partners and end customers by seamlessly leveraging the wide Rakuten Ecosystem. With a long history of software engineering as a service company providing social infrastructure, we value the speed and quality of our delivery to maximize customer satisfaction. Our mission is to provide a unified BSS platform that spans across the different business lines of our telecommunication businesses. Having just finished the initial build-up phase of the platform, we are actively looking for talented individuals to make our organization and platforms stronger with teams spanning Japan, India, China, and Singapore. Position: Why We Hire The department is responsible for the following core domains: Customer-facing frontend applications and mobile apps (onboarding, plan management, My Rakuten Mobile) Billing and charge management systems Order management and provisioning workflows Integration layers connecting BSS with Rakuten Mobile's core network and third-party systems With the BSS platform now entering a sustained growth and optimization phase, we are expanding our team of engineers who can take deep technical ownership of customer-facing frontend applications. As user expectations and UI complexity grow, we need Senior Frontend Engineers who can independently drive the design and delivery of sophisticated frontend features, elevate interface quality across the team, and serve as technical anchors in cross-functional squads. This role is central to ensuring the usability, performance, and reliability of applications used by millions of Rakuten Mobile subscribers. Position Details Design, develop, and maintain high-performance, production-grade frontend applications for BSS platform domains including subscriber self-service portals, onboarding flows, plan management, and internal operational tools Lead technical design (HLD/LLD) for new UI features and system enhancements, ensuring alignment with platform architecture and UX standards Conduct thorough code reviews and uphold engineering quality across the team Collaborate closely with product managers, UX/UI designers, QA engineers, backend engineers, and counterpart teams across global offices to deliver end-to-end features Diagnose and resolve complex frontend production issues, contributing to root cause analysis and long-term systemic fixes Mentor junior and mid-level engineers through design reviews, pair programming, and technical guidance Contribute to CI/CD pipeline improvements, frontend observability tooling, and DevOps best practices Participate in cross-team architecture discussions and help drive platform-level frontend technical decisions Champion accessibility, responsive design, and cross-browser compatibility standards across the team Work Environment Global distributed team across Japan, India, China, and Singapore Agile/Scrum development with two-week sprint cycles English as the primary working language for documentation, design discussions, and cross-site communication Modern tech stack: React/TypeScript-based single-page applications, containerized on Kubernetes, deployed on cloud infrastructure Strong emphasis on engineering craftsmanship: code review culture, automated testing, and continuous delivery
Chief Engineer / ANA InterContinental Beppu Resort & Spa
IHG Hotels & ResortsAbout Us: The unique luxury resort "ANA InterContinental Beppu Resort & Spa" was born in Beppu, a world-renowned hot spring destination. The resort features 89 spacious guest rooms, an infinity pool with breathtaking views, a spa, outdoor baths, hot spring facilities, four meeting and banquet rooms, and Club InterContinental, all designed to provide the best experience. Our restaurant and bar incorporate modern and beautiful Japanese design, offering sophisticated dishes crafted from seasonal ingredients and the chef's creative ideas for a special moment. <Chief Engineer Recruitment> We are looking for a Chief Engineer to oversee the facility management of the entire resort, including the hot springs, spa, guest rooms, and restaurant. In this position, you will not only manage daily facility operations but also serve as a liaison with the owner to plan and promote CAPEX initiatives, leading the enhancement of the hotel's asset value. This is a key management position that realizes facility operations utilizing Beppu's unique hot spring resources while maintaining the quality standards of the globally recognized luxury brand InterContinental. We welcome applications from individuals who possess expertise in facility management, leadership skills, and a business perspective. Daily Responsibilities: Hotel facility management Overall maintenance and management of hotel and hot spring facilities Maintenance management of electrical, air conditioning, plumbing, and mechanical systems Operation management and preventive maintenance of hot spring-related facilities Development and implementation of repair plans Troubleshooting and emergency response Team management Oversight of the engineering team Development of business plans and personnel allocation Training, evaluation, and performance management of subordinates Promotion of safety, health, and compliance with laws Budget and compliance management Management of repair and capital investment budgets Contract negotiation with external vendors Response to various statutory inspections and audits Promotion of energy-saving measures and environmental activities Enhancement of guest experience Provision of a comfortable and safe stay environment Improvement of facility quality as a hot spring resort Maintenance and improvement of hotel brand standards CAPEX and asset management Development and execution of the hotel's medium- to long-term capital investment plan (CAPEX) Budget planning, progress management, and quality control for equipment renewal and renovation projects Preparation of proposal materials for the owner company and presentation of capital investment projects Promotion of equipment improvements and energy-saving measures considering return on investment Strategic planning for maintaining and enhancing hotel asset value
System Test Lead (Product: IVI)
BoschWe aim to improve the quality of system testing in Japan and further deploy it to the global team to enhance the quality of IVI products. With the increasing market demand for IVI features, the specifications have become more complex, requiring daily improvements in methods to verify correct operation and stability. Optimizing test cases and test environments to efficiently and effectively conduct system tests based on various user usage patterns in actual usage environments within limited development periods is a critical task directly linked to product quality. We are looking for an engineer to lead this effort. In the IVI development project for a major Japanese automotive manufacturer, you will be responsible for planning and executing system tests. This includes creating test plans, managing the test team and allocating resources, reviewing test cases, monitoring test progress, optimizing and improving test processes, selecting and implementing test tools and environments, confirming and reporting software quality, and analyzing software defect trends.
DevOps Engineer - Business Support Development Department (BSD)
RakutenWe are the development department that supports Rakuten's founding business, Rakuten Ichiba. Rakuten Group, Inc. is founded in 1997 and continuing to this day, embodies Rakuten's mission of empowering people and society through innovation, and has created a system that allows people to easily open stores beyond the limits of the business sphere, delivering the joy of shopping to users throughout Japan. We are now one of the largest EC companies in Japan. Rakuten Ichiba is a place where various merchants gather, and its diversity is what makes Rakuten Ichiba attractive. Our department is responsible for developing and providing tools and services necessary for the operation of each merchant, regardless of their genre, industry, or size, in order to enable the diverse merchants on Rakuten Ichiba to thrive in e-commerce and provide customers with the experience of "Shopping is Entertainment". Our department is responsible for developing new features for more than 10 different services and delivering them to customers on a regular basis. These services are required to meet the high-quality standards provided by Rakuten while being released quickly. Platforms such as CI/CD pipelines, which form the foundation of software delivery, play a critical role in this process. We are looking for a DevOps engineer who can lead platform engineering and contribute to the rapid release of high-quality systems. The DevOps team consists of engineers with diverse backgrounds, including DevOps engineers, development engineers, infrastructure engineers, database administrators, and technical support staff, who work together collaboratively. Languages: TypeScript/JavaScript, Go, Python, Node.js Development Environment: IDP Concepts&Principles, AWS, Azure, GCP, Docker, Kubernetes, Helm Charts, CI/CD Tools (GitHub Actions, Jenkins, ArgoCD), Terraform, Prometheus, Grafana.
Powertrain System Engineer/Technical Project Manager
BoschBosch is seeking a system engineer and technical project manager to promote the development of powertrain and vehicle control systems for domestic and international motorcycle manufacturers. In this position, you will serve as a technical bridge between customers and Bosch's global development team, handling a wide range of tasks from requirements analysis to system design and verification. This is not just a project management role; it is a crucial position that requires understanding customer requirements and leading the optimization of the entire system.
Technical Customer Project Manager - Power Electronics Products
BoschLead a large-scale e-mobility power electronics project for Japanese OEM customers, with full accountability for quality, cost, schedule, budget, and customer satisfaction. Serve as the key interface between customers and global cross-functional teams across Japan, Germany, Austria, India, and Hungary, driving technical alignment and resolving complex engineering challenges. Lead with a high degree of autonomy to deliver innovation, profitability, execution excellence, and market-leading electrification solutions in the rapidly evolving e-mobility market.