Software Engineer (New Graduate) at tailor | Tokyo

Transforming Ideas into RealityAt tailor, we are committed to simplifying the often complex process of product development, enabling anyone to become a creator. Our vision is a world where individuals can easily bring their ideas to life, breaking down the barriers between business and engineering, and integrating diverse expertise and technologies.We welcom…

Are you a passionate iOS Software Engineer looking to make a significant impact in the world of payment and financial services? Join Merpay, a pioneering team within Mercari, where you will contribute to developing innovative financial products that enhance user experiences.Your RoleAs part of our dynamic team, you will design and develop new features for our credit services, collaborating closely with product managers, designers, and backend engineers.Utilizing your expertise in Swift, you will work on developing functionalities related to personal credit services and smart money solutions.In addition to feature development, you will play a key role in improving code quality, conducting thorough testing, and enhancing our development processes.We support cross-functional growth; you will have the opportunity to explore roles beyond iOS such as Android, Web, or backend development.Embrace AI technologies responsibly while maintaining our commitment to security and user trust.We encourage sharing your knowledge and expertise through participation in conferences and writing for our engineering blog.

About Woven by Toyota Woven by Toyota leads Toyota’s shift toward a mobility-focused future. The team works to improve how people move and interact with technology, always keeping human experience at the center. What We Do Our work covers four main areas: AD/ADAS: Developing autonomous driving and advanced driver assistance systems. Arene: Building a software platform for software-defined vehicles. Woven City: Creating a real-world testing ground for new mobility ideas. Cloud & AI: Providing the digital infrastructure that connects and supports all projects. Our shared goal: a safer, healthier future with fewer accidents and improved well-being for all.

Join ispace, inc. as a passionate Propulsion System Engineer within our Advanced Research & Development (ARD) group, where innovation meets exploration.This pivotal role is located in Tokyo, Japan, requiring relocation for the right candidate. Please note, this position is not eligible for full remote work.As a successful candidate, you will engage in two primary ARD projects:1) Developing and demonstrating new technologies, and2) Crafting the architecture for next-generation lunar transportation systems, infrastructure, and resource utilization from initial concept to preliminary system design.Your expertise will focus on high-thrust propulsion systems, including earth-storable propulsion and innovative propulsion concepts. Collaborating within a multidisciplinary, model-driven design team, you will develop Python-based propulsion models, explore extensive tradespaces, lead technology demonstration initiatives, and define the propulsion architecture for future ispace vehicles.We expect you to elevate technical solution concepts from mid/low technical maturity to CML2+ level (referencing the JPL concept maturity level scale).

About Woven by Toyota Woven by Toyota is working to transform Toyota into a mobility company ready for the next century. Drawing on a legacy of ongoing invention, the team aims to broaden what mobility means and increase its positive impact on society. Human-centered innovation and a willingness to challenge traditional ideas about mobility guide this mission. Woven by Toyota focuses on four main areas: Autonomous driving and advanced driver assistance systems (AD/ADAS) Arene, a vehicle software production platform for software-defined vehicles (SDV) Woven City, a dedicated test course for mobility solutions Cloud & AI, which provides collaborative infrastructure Core functions support these pillars, all working together toward goals like a zero-accident society and the mass production of happiness.

Location: Tokyo, Japan (MJHQ) About Mujin Mujin develops technology that drives industrial automation forward. Our core product, MujinOS, powers robotics in warehouses and factories worldwide. Using our proprietary Machine Intelligence (MujinMI) approach, we combine digital twins, advanced perception, planning, and control algorithms to enable fully autonomous operations. The MujinController gives users a no-code interface for complex automation tasks like palletizing, picking, and truck unloading. By integrating motion planning and computer vision, it supports seamless deployment in demanding environments. Headquartered in Japan and expanding across the US, China, and Europe, Mujin offers the chance to work alongside experts shaping the future of robotics and supply chain automation. Role Overview The Senior Software Engineer - Robotics OS Validation & Simulation focuses on ensuring Mujin OS performs reliably across our robotics ecosystem. This role centers on building and maintaining automated testing frameworks that validate entire systems in realistic production scenarios. What You Will Do Design and implement automated test frameworks for Mujin OS, covering full-system interactions rather than isolated components. Validate the integration of robotic arms, custom end-effectors, vision systems, conveyors, and other industrial equipment. Work primarily within large-scale simulation environments that mirror real customer deployments. Contribute to test infrastructure that runs continuously, supporting safe and reliable Mujin OS performance as the platform evolves. Who Thrives Here This position suits engineers who enjoy tackling complex systems where software, hardware, networking, and physics intersect. The work involves real-world challenges and has a direct impact on production environments.

Role Overview Speechify is hiring a Software Engineer for the iOS Core Product team in Tokyo, Japan. This role centers on building and improving our iOS applications, with a focus on user experience and accessibility. What You Will Do Work closely with cross-functional teams to design, develop, and refine iOS features Contribute to the ongoing enhancement of Speechify’s core iOS products Help deliver software solutions that make our apps more accessible and enjoyable to use Location This position is based in Tokyo, Japan.

Join us in leveraging technology to create a significant positive impact on the environment!Kraken is at the forefront of groundbreaking advancements in the global energy sector.As a technology-driven company, we're dedicated to establishing a more intelligent and sustainable energy ecosystem. Our initiatives aim to optimize renewable energy generation, develop smarter grids, and empower utilities to enhance customer experiences, ultimately revolutionizing the energy industry for the benefit of all.This is an exhilarating time to be involved in energy. Join us in making a meaningful contribution to a more sustainable future.Our TeamOur engineering team consists of approximately 800 skilled professionals from diverse disciplines, including backend, frontend, and mobile engineers, who collaborate closely with UX specialists, copywriters, and designers. We adopt a Kanban-like methodology, utilizing tools such as Google Docs and Asana for work management, GitHub and CircleCI for our continuous delivery pipeline, and Sentry and Cloudwatch for performance monitoring. Kraken is an excellent environment for growth, where you'll learn from talented engineers and enhance your skills. Some of our coding standards are open-source.We uphold high engineering standards, practicing pair programming, conducting thorough code reviews, and maintaining rapid, high-value testing suites. Our culture fosters continuous learning through weekly tech talks, monthly blitz days (focused on tool enhancement and dependency upgrades), and active participation in tech meet-ups and conferences.Our coding conventions are open-source and we maintain a tech blog to showcase our work.At Kraken, you will thrive, collaborate with exceptional engineers, and elevate your technical expertise.Our TechnologyOn the backend, we primarily utilize Python, with most of our applications powered by Django, Django REST Framework, and GraphQL (Graphene). Our infrastructure heavily relies on AWS to support a continuous deployment pipeline. For more insights, check out our article on Django, ELB health checks and continuous delivery.

Speechify seeks a Senior Software Engineer in Tokyo to focus on Windows and desktop application development. This position involves building software that shapes how users experience Speechify products on the desktop. Key responsibilities Design, develop, and maintain desktop applications for Windows platforms Collaborate with team members from different functions to deliver new product features Improve application performance and reliability through thoughtful engineering Follow strong software engineering practices to maintain quality and consistency Requirements Proven experience in Windows and desktop application development Skilled at working with cross-functional teams Dedicated to creating user-friendly and high-quality software

NOTE: This position supports our U.S. Government initiatives but is based in the vibrant city of Tokyo, Japan.Join a Transformative OrganizationAt Palantir, we develop cutting-edge software that drives data-informed decisions and operations across various sectors. Our innovative platforms enable partners to create lifesaving therapies, anticipate supply chain disruptions, locate missing persons, and much more.Position OverviewAs a Forward Deployed Software Engineer (FDSE), you will dive deep into our clients' most pressing challenges and create comprehensive solutions tailored to their needs. Your role involves continuously gathering feedback from both clients and teammates, allowing for iterative improvements to our products.In this position, you will implement groundbreaking technical solutions to tackle complex customer issues. Projects may begin with ambiguous inquiries such as “Why are we losing customers?” or “How can we enhance our detection of money laundering?” You will guide the process from high-level system design and prototyping to application development and data integration. Utilizing everything at your disposal—from Palantir products to open-source technologies—you'll make a significant impact.Your work will involve collaboration with customers worldwide, giving you unique insights into pivotal industries and institutions. We empower clients to detect insider trading, enhance disaster response, combat healthcare fraud, and more. Each project presents distinct challenges, requiring you to navigate various regulatory landscapes, data types, and user demographics to achieve tangible technical results.If you aspire to become an entrepreneur or a leader in engineering, Palantir offers an exceptional environment filled with talented colleagues to help you grow. You’ll learn to analyze problems, assess the implications of solutions, and become proficient in new technologies and programming languages—possibly even developing them yourself. Experience autonomy in decision-making while being supported and challenged by a thriving community.

Join our innovative team at System Canada Technologies as a C++ / C# Client-Server and Database Software Engineer. In this role, you will be instrumental in designing, developing, and maintaining robust client-server applications. Your expertise in C++ and C# will be key in enhancing our software solutions and improving user experience.

Flatiron Health works to improve cancer care by turning real-world patient experiences into evidence that shapes oncology practice. The team includes oncologists, data scientists, software engineers, epidemiologists, and product specialists, collaborating across the United States, Europe, and Asia. Flatiron Health operates as an independent affiliate of the Roche Group. Role overview The Senior Software Engineer position is based in Flatiron Health’s Tokyo office. This role focuses on building data-driven solutions that help improve outcomes for cancer patients. Collaboration with colleagues across global teams is a key part of the work. Main responsibilities Design and build data processing systems that convert raw healthcare data into reliable, high-quality data products. Develop scalable and complex logic for processing healthcare information. Create automated data pipelines, emphasizing reliability, observability, and consistent performance. Address challenging business, security, and privacy requirements related to healthcare data. Work closely with clinicians, product leaders, and international teams to solve practical problems in oncology. Maintain strong software engineering standards by writing thorough unit tests for complex data transformations and ensuring data integrity.

About Appier Appier is a pioneering software-as-a-service (SaaS) company harnessing the power of artificial intelligence (AI) to transform business decision-making. Established in 2012 with a mission to democratize AI, Appier strives to convert AI innovations into tangible ROI by crafting intelligent software solutions. With a presence in 17 offices across APAC, Europe, and the U.S., Appier is publicly traded on the Tokyo Stock Exchange (Ticker number: 4180). For more information, visit www.appier.com. About the Role Join Appier as a Staff Software Engineer specializing in Data Backend, where your contributions will be pivotal in developing essential components of our advanced platform. Our solutions leverage proprietary deep learning and machine learning technologies, empowering businesses to convert data into actionable insights and informed decisions. Responsibilities Design, develop, and maintain RESTful APIs utilizing Python. Build and manage scalable data warehouses using Trino/Presto and Pinot. Create and implement data pipelines with Apache Airflow and Apache Spark. Collaborate with cross-functional teams to develop automation tools that enhance operational efficiency. Establish cutting-edge monitoring and alerting systems to guarantee peak system performance and reliability. Respond promptly to application queries, ensuring high levels of client satisfaction. Work with cloud platforms such as AWS and GCP to optimize data management operations. Leverage Kubernetes (k8s) for efficient container orchestration, deployment, and scaling of applications. About You [Minimum Qualifications] Bachelor's or Master's degree in Computer Science. 3+ years of experience in building and managing large-scale distributed systems or applications. Proficient in Kubernetes development and comfortable with Linux/Unix environments. Experience in managing data lakes or data warehouses. Strong background in developing data structures and algorithms on Big Data platforms. Ability to work effectively and autonomously in a dynamic and fast-paced environment. Skilled in multitasking and managing various projects within a collaborative team. Passionate about making a significant impact through self-motivated learning and innovation. [Preferred Qualifications] Contributions to open source projects are highly regarded.

At Mujin, we are revolutionizing the future of industrial robotics with our cutting-edge operating system, MujinOS. Our platform utilizes real-time digital twins to seamlessly connect and orchestrate equipment, enabling fully autonomous operations.At the heart of our technology is Machine Intelligence (MujinMI), a unique approach that incorporates advanced perception, planning, and control algorithms to tackle the most challenging automation hurdles.We are proud to partner with globally renowned companies, reshaping supply chain efficiency. With our headquarters in Japan and expanding teams across China, the US, and Europe, we invite you to become a part of our vibrant team and contribute to the future of automation.As a Senior Manufacturing Operations Engineer within our Hardware System Team, you will play a crucial role in overseeing the production and operational excellence of Mujin controllers and pendants. Your focus will be on ensuring superior manufacturing quality through efficient production cycles by collaborating with suppliers, managing production activities, implementing stringent quality systems, and handling inventory and process documentation.In addition to manufacturing support, you will act as a vital communication link between Mujin Japan, the US, and Europe, providing technical assistance for products deployed across our internal teams. This will involve troubleshooting product issues reported after deployment, coordinating cross-functional efforts for resolution, and driving continuous improvement in both production and field support processes.This position presents an excellent opportunity to directly influence Mujin's global expansion while progressing towards a future leadership role within the production team.

■職種概要当社の新製品であるWES（倉庫作業実行システム）のアフターサポートに特化したソフトウェアエンジニアを募集します。この役割では、納入済みシステムの安定稼働を支援し、ソフトウェアカスタマーサポートの体制構築、トラブル発生時の復旧支援、開発・設計部門への不具合情報のフィードバック、保守サービスの提案と見積もり作成などを行います。最新システムの稼働を支える重要な役割を担い、次世代の構内物流に革新をもたらす仕組み作りに貢献していただきます。※WES（倉庫作業実行システム）とは、ロボットや自動搬送機をリアルタイムで制御し、作業の効率を最適化するシステムです。■部署役割サービス部門は「顧客満足度と収益性の両立」を目指し、顧客の期待を超える価値を提供することで長期的な信頼関係を築いています。従業員の声やデータを分析し、社内の関連部署に迅速にフィードバックすることで、自社製品の品質向上に寄与します。将来的には、単なるサポート部門を超え、事業成長を牽引する重要な役割を担うことが期待されています。

At Mujin, we are on a mission to free people from arduous labor, enabling humanity to focus on creativity and technological innovation. Our vision is to revolutionize industrial automation.Central to this mission is our proprietary machine intelligence, MujinMI, along with our integrated control platform for robots and automation equipment, MujinOS. MujinOS leverages real-time digital twin technology, eliminating the need for traditional programming and teaching in industrial automation. We are seeking talented individuals to join us in building global standards in industrial automation in a dynamic environment that accelerates challenging automation solutions and supply chain digital transformation.As a Senior Manufacturing Operations Engineer on the Hardware Systems team, you will be responsible for enhancing the quality of manufacturing and operations for Mujin's controllers and pendants. You will collaborate with suppliers, manage production activities, implement quality systems, and oversee inventory and process documentation to ensure rapid production cycles and high-quality product delivery.Additionally, this role serves as a technical liaison with the global teams at Mujin Japan, Mujin US, and Mujin Europe, providing technical support for products deployed internally. You will troubleshoot issues reported post-shipment, coordinate cross-departmental responses, and drive continuous improvement in manufacturing and field support processes.This position offers a unique opportunity to contribute directly to Mujin's global growth and includes potential career advancement to a leadership role within the production team. Key ResponsibilitiesProduction Planning and ExecutionEstablish and manage production schedules to ensure the timely supply and testing of hardware, maintaining high standards of quality and delivery. Process Development and TrainingDevelop Standard Operating Procedures (SOPs) and foster continuous improvement. Support operators through training and assistance to ensure safe and consistent manufacturing operations. Inventory and Material ManagementProcure raw materials and manage inventory to prevent production disruptions. Manufacturing Issue ResolutionIdentify and resolve issues within manufacturing processes, classify deviations, and determine rework strategies to minimize production downtime. Internal Technical Support (Shipped Products)Conduct troubleshooting for technical issues related to products deployed to internal customers, such as Mujin US and Mujin Europe, serving as the technical contact for inquiries about product defects or failures.

Join Mujin, a pioneer in industrial robotics, where we develop MujinOS, an innovative operating system designed to transform automation. By utilizing real-time digital twins, MujinOS expertly integrates and coordinates equipment for fully autonomous operations.At the heart of our technology lies Machine Intelligence (MujinMI), a cutting-edge approach that employs advanced perception, planning, and control algorithms to tackle the most complex automation challenges.We are proud to partner with globally recognized brands, reshaping supply chain efficiency. With our headquarters in Japan and expanding teams in China, the United States, and Europe, we welcome you to a vibrant workplace where you can influence the future of automation.Role OverviewAs we expand, scalability is vital for accelerating product deployment. Our newly established Cloud Team is at the forefront of this initiative.The Cloud team's objective is to spearhead Mujin’s global outreach by creating a cloud-based platform that centralizes and connects our edge-computed controllers across various factories and warehouses. This platform will offer integrators and users a user-friendly GUI for remote production monitoring, streamlining the rollout of advanced robotic technologies on a large scale, thus making automation more accessible and efficient.Since the system is in its infancy, you will have the unique chance to contribute to its foundational design and development.Cloud Team GoalsJoin us in building a modern cloud service with a focus on high availability (HA), automation, and productivity improvements. Your contributions will enhance team efficiency and directly impact Mujin’s business success.- Develop a robust platform for monitoring and managing Mujin products at scale- Create a platform for simulating and testing environments utilizing Mujin products

The Role:We are seeking a dynamic Regional Operations Manager to join our team at ION Markets in Tokyo. This pivotal role requires a blend of technical expertise and exceptional leadership qualities. The ideal candidate will possess the ability to lead and nurture a geographically dispersed team, cultivate a culture of accountability, and spearhead initiatives focused on continuous improvement.Joining ION at this exciting juncture means becoming part of a dedicated team where your contributions will truly matter. With a solid background in hosted infrastructure—covering networks, systems, databases, and private cloud technologies—you will ensure our operational processes and resources maintain the utmost availability and support for our clients’ production trading systems, consistently aligning with global operational standards.The successful candidate will excel in managing operations teams within mission-critical production environments and demonstrate comprehensive knowledge of technologies, standards, and industry guidelines pertinent to the hosted infrastructure domain. You will oversee day-to-day activities of the platform team, playing a crucial role in managing resources to deliver timely, sensitive workstreams in an ITIL-based environment, focusing on incident, change, and problem management. A positive, proactive attitude is essential, as you will be responsible for supporting our global clients’ production trading environments.

At Mujin, we are on a mission to emancipate people from arduous labor, enabling humanity to concentrate on creativity and technological innovation. We are revolutionizing industrial automation with our groundbreaking vision.Our core technology comprises the unique machine intelligence known as MujinMI and our platform for integrative control of robots and automation equipment, called MujinOS. Our platform utilizes real-time digital twin technology, eliminating the need for traditional programming and teaching in industrial automation. We are looking for passionate individuals to join us in building the global standard in industrial automation and accelerating supply chain digital transformation from our dynamic base in Japan.As Mujin continues to expand rapidly on a global scale, following the largest fundraising round in Japan in 2025, we are seeking a dedicated recruiter to spearhead our organizational growth.Your primary mission will be to recruit top engineers who support our groundbreaking robot common platform, MujinOS. You will target cutting-edge technology areas including robotics (control and motion planning), front-end (UI development for digital twin environments), and back-end (integration with automation equipment), which differ from traditional web technologies.Our R&D department operates primarily in English, providing a dynamic environment to attract exceptional talent across borders. You will also have the opportunity to engage in activities beyond recruitment that contribute to our organizational growth.Join us at the forefront of the AI revolution, as we continue to lead in 'Physical AI' development for over a decade, and grow together into a proficient professional in cutting-edge technology recruitment.

About Appier Appier is a leading software-as-a-service (SaaS) provider leveraging the power of artificial intelligence (AI) to enhance business decision-making. Established in 2012 with a mission to democratize AI, Appier aims to transform AI into tangible return on investment (ROI) by making software smarter. With a presence in 17 offices across APAC, Europe, and the U.S., Appier is publicly traded on the Tokyo Stock Exchange (Ticker number: 4180). For further insights, visit www.appier.com. Overseas Candidates Welcome / Visa SupportThis role is based in Tokyo, Japan. For international applicants, our Japan office offers visa sponsorship to facilitate a seamless relocation experience. About the Role We are on the lookout for a talented and experienced Senior Software Engineer specializing in General Backend Development. In this pivotal role, you will develop and sustain scalable, high-performance backend systems. A significant aspect of your responsibilities will involve diagnosing and resolving complex system performance issues and addressing intricate concurrency challenges, such as race conditions. You will collaborate closely with cross-functional teams to design and implement robust solutions that align with business objectives and guarantee the long-term stability and success of our initiatives. Key Responsibilities Design, develop, and maintain durable and scalable backend systems using Java, Python, or Go, along with frameworks like Spring, Undertow, Flask, and FastAPI. Work alongside cross-disciplinary teams, including frontend developers, product managers, and designers, to define system requirements and deliver high-quality solutions. Conduct code reviews to ensure compliance with coding standards and best practices. Identify and troubleshoot issues, while debugging and optimizing code for performance and efficiency. Engage in the full software development lifecycle, from planning and design through to implementation, testing, and deployment. Keep abreast of the latest industry trends and technologies, continuously enhancing your skill set. About You [Minimum qualifications] Proven experience in backend development with a strong grasp of scalable system design. Expertise in programming languages such as Java, Python, or Go. Strong problem-solving skills with an emphasis on performance optimization. Excellent collaboration and communication skills, with a proactive approach to teamwork.