Top Software Engineer Jobs in Tokyo

Lead design, development, testing, and maintenance of cloud-native Java/Spring Boot full-stack applications on Microsoft Azure. Build REST APIs and microservices, implement containerized deployments (AKS/Docker), CI/CD, mentor engineers, troubleshoot production issues, and drive architecture and engineering best practices.

Lead architecture, modernization, and delivery of enterprise Direct Marketing digital platforms. Drive end-to-end full stack engineering, remain hands-on in coding and troubleshooting, and lead AI/Generative AI initiatives from PoC to production. Partner with stakeholders to convert business needs into scalable, secure solutions supporting customers, agencies, partners, call centers, and internal users.

Lead technical design and delivery of API-driven, cloud-native integration solutions. Translate business requirements into scalable architectures, perform code reviews, mentor engineers, support production issues, and apply AI-assisted engineering practices to improve productivity and solution quality.

Design, develop, and maintain enterprise applications focused on business rules and decision services. Author, test, deploy, debug, and optimize IBM ODM (v9.x) rule projects. Collaborate bilingually (Japanese/English) with local and global teams, follow Agile practices, and support CI/CD and TDD processes.

Design, develop, and deploy secure software and data pipelines to transform patient data into real-world evidence. Build web apps and scalable automated pipelines, ensure data quality and tests, address security and privacy constraints, and occasionally deploy and operate solutions at hospital partner sites.

The Forward Deployed Software Engineer designs and implements data-driven solutions for clients, collaborating with diverse teams to tackle complex problems and drive impactful results.

Join the Japan Payments Technology team to design, develop, and troubleshoot secure, scalable software. Write high-quality code, apply automation, interpret architecture, analyze data for troubleshooting, address code quality, and contribute to an inclusive team culture while growing technical skills.

Build and ship native Android features for an AI-enabled neobank using Kotlin. Integrate backend APIs, improve performance and reliability, collaborate with product/design, and implement on-device AI where it improves user journeys.

The Software Engineer will design, develop, and maintain robust APIs, oversee backend API performance, and collaborate with cross-functional teams to align architecture with product strategy.

Seeking a Senior iOS Engineer to lead engineering decisions, enhance the iOS app, and maintain app architecture while supporting a growing user base.

The Software Engineer will enhance data collection and ingestion pipelines, optimize cloud infrastructure, and collaborate on AI datasets for Speechify's products.

The Principal Application Software Engineer will lead the integration and validation of AI software on automotive platforms, focusing on hardware interaction and performance in Japan.

The Senior Full-Stack Software Engineer will design and develop full-stack cloud services for enterprise clients, ensuring code quality and potentially mentoring a small team.

Design, build, test, and operate production-ready services in small multidisciplinary teams. Embed with customers to translate requirements into deployed solutions, apply secure and responsible AI practices, participate in on-call incident response, and contribute reusable components and documentation to accelerate delivery.

Develop and integrate AD/ADAS software: define requirements, code, test in simulation and vehicle, perform code reviews, improve CI/CD and workflows, and collaborate with cross-functional teams and customers.

Design, develop, maintain, and deploy reliable backend services for the Robot Platform; improve test coverage, CI/CD, and monitoring; collaborate cross-functionally; monitor and troubleshoot production services and occasionally travel to Woven City for on-site maintenance.

Design and implement production-quality C++ vehicle control and estimation software using Model Predictive Control and control theory. Translate high-level requirements into implementable designs, negotiate implementation details, and validate performance from unit tests through integrated simulation and vehicle tests.

The Software Engineer will support clients in Japan by gathering requirements, implementing solutions, troubleshooting issues, and providing training. They need to work collaboratively with various teams and adapt to client needs.

Lead architecture, development, and validation of amplifier application software for automotive customers. Drive requirements, customer technical discussions, C/C++ coding and reviews, vehicle-level integration and debugging, test planning, and mentor junior engineers while contributing to process and product-line improvements.

The Software Engineer will improve developer experience and deployment processes by optimizing workflows, building tools, and enhancing software lifecycle reliability.

Design, build, and operate a highly available, secure multicloud Kubernetes platform and cloud account vending service. Develop Kubernetes controllers and cloud services in Go, Python, and TypeScript, implement IaC and GitOps deployment patterns, create CI/CD automation and health checks, collaborate with SRE/observability teams, and mentor junior engineers.

The Quantum Software Engineer will design, optimize, and troubleshoot quantum control workflows, working directly with customers and collaborating cross-functionally to develop scalable software solutions in Python.

Develop Flight Software for lunar lander Guidance, Navigation, and Control. Collaborate on GNC algorithms, perform design analysis, and support integration.

Build and own end-to-end customer-facing features for web and mobile. Develop backend services and RESTful APIs in Node.js/TypeScript, responsive frontends in React/Next.js, integrate AI/LLM features, work with AWS infrastructure, ensure observability and security, contribute to CI/CD and testing, and mentor junior engineers in an Agile team.

Join Canonical as a Go Software Engineer to enhance developer workflows and build tools integrated with Ubuntu and modern SDKs, focusing on performance and user experience.