Top Software Engineer Jobs in Tokyo

Design and implement open source networking solutions, collaborate with cloud providers, and contribute to technical documentation and community efforts.

As a C# Software Engineer, you'll design and implement classes for document IDE, refactor code for extensibility, and interview users to understand needs.

Integrate, test, qualify, and release AD/ADAS software for mass-production vehicles. Responsibilities include managing release schedules and quality, building CI/CD systems, validating application, middleware, and operating-system integration, monitoring resource usage, coordinating issue resolution, distributing versioned software, and preparing audit documentation. The role collaborates with internal engineers, external vendors, development tools, and testing teams, requiring automotive or embedded-product experience and fluent Japanese.

Design, develop, and maintain cloud-based analytics applications for life sciences supply chain operations. Build scalable backend services, provide architectural guidance, write high-performance code, and collaborate with data scientists, architects, product teams, and QA. Contribute to product strategy, estimate and track complex initiatives, support Agile development, and participate throughout the software development lifecycle.

Lead the architecture, design, coding, integration, testing, documentation, and support of highly reliable embedded software for lunar landers and spacecraft systems. Translate system requirements into software designs, select processors and technologies, develop BSPs, and support functions including attitude control, communications, power and data management, command systems, and fault protection. Coordinate with subsystem engineers, suppliers, customers, and internal teams while managing schedules, quality, costs, technical issues, and software engineering teams.

Develops high-reliability embedded software for lunar landers and spacecraft systems. Responsibilities include deriving software requirements, designing architectures, selecting processors and protocols, developing BSPs and device drivers, coding, integration, testing, documentation, and fault analysis. Collaborates with avionics, ground-segment, systems, suppliers, customers, and other engineering teams while managing schedules, costs, quality, tasks, and technical issues.

Own technical direction and execution for major products, systems, and engineering initiatives. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; write production code; lead architecture decisions; solve complex technical and production problems; improve engineering quality; and mentor engineers across teams.

Lead Software Engineer responsible for technical direction and hands-on execution of major products and systems. Designs scalable backend, frontend, API, database, and infrastructure solutions; writes code; leads architecture decisions; resolves complex production issues; improves engineering quality, testing, security, and observability; and mentors engineers across teams.

Lead technical direction and hands-on execution for major products and systems. Design scalable and reliable architectures across backend, frontend, APIs, databases, and infrastructure; write code; drive architecture decisions; solve complex production problems; improve engineering quality, testing, security, observability, and development practices; and mentor engineers across teams.

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.

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.

Build and maintain hardened Ubuntu-based container images and the automated CI/CD pipelines to build, test, scan, sign, publish, and retire them. Integrate upstream open-source projects, ensure security and cloud-native compatibility, collaborate with cross-functional teams, document and share knowledge, mentor colleagues, and contribute to hiring. Work in a distributed agile environment with occasional travel.

Lead technical direction and hands-on execution for major software products and systems. Design scalable backend, frontend, API, database, and infrastructure solutions; write and review code; resolve production issues; make architecture trade-offs; improve engineering quality, security, testing, and observability; lead critical initiatives; and mentor engineers across teams.

Lead technical direction and hands-on execution for major products and systems. Design scalable backend, frontend, API, database, and cloud architectures; write and review code; resolve production issues; make architecture trade-offs; improve testing, security, observability, and development practices; lead critical initiatives; and mentor engineers across teams.

Own technical direction and execution for major products and systems. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; write production code; lead architecture decisions; solve complex production issues; improve engineering quality; drive critical initiatives; and mentor engineers across teams.

Develop and validate embedded software for ADAS and automated-driving HMI features in passenger vehicles. Responsibilities include requirements definition, functional design, implementation, testing, toolchain and infrastructure support, and ensuring software quality for mass production. The role collaborates with hardware and software teams and requires C or C++ development experience, implementation leadership, and business-level Japanese and English communication. Hybrid work requires three office days per week.

Integrate and deliver voice recognition software for automotive, collaborating with clients and internal teams, while setting up CI/CD environments and handling testing.

As a Senior Software Engineer, you will lead software development, mentor team members, contribute to system design, and oversee application development life cycles.

Design, develop, test, deploy, and operate mission-critical, high-availability, high-security systems supporting PlayStation manufacturing. Collaborate with global stakeholders and external partners, drive performance and quality improvements, model complex business domains, ensure data integrity and transactional correctness, and lead technical reviews and operations in on-premises and container-based environments.

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.

Canonical seeks open-source enthusiasts to optimize Ubuntu for new silicon technologies, collaborating with teams and customers to enhance software quality and performance across various platforms.

As a Staff/Senior Machine Learning Platform Engineer, you will architect and scale ML infrastructure, manage data pipelines, and mentor junior engineers.

Design and maintain RESTful APIs, build data warehouses, develop data pipelines, and optimize data operations using cloud platforms.

Lead the design and implementation of scalable gameplay systems for mobile games. Ensure high performance and reliability while mentoring other engineers. Collaborate with cross-functional teams to enhance user experiences.