Top Software Engineer Jobs in Tokyo

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.

Build high-performance, scalable React+TypeScript web applications for payment experiences. Design reusable UI components and optimize frontend performance while collaborating with cross-functional teams on architecture, testing, accessibility, and product delivery.

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.

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.

Early-career software engineer in a fixed-term accelerator: develop and maintain core products, compile and implement interface documentation, troubleshoot QA issues, and assist customer support to classify and resolve customer problems for system improvement.

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.

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.

The role involves supporting software systems for autonomous vehicles, managing CI/CD pipelines, and integrating C/C++ software in a DevOps environment.

Lead development of Windows desktop applications using Windows App SDK and WinUI. Define best practices, drive accessibility initiatives, collaborate with design teams, and manage features lifecycle from conception to maintenance.

The Senior Software Engineer will enhance Speechify's core services and SDKs, optimize performance, collaborate with product teams, and improve user experience through effective system design and APIs.

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.

As a Forward Deployed Engineer, you will own the execution of major projects, collaborating with customers to deliver tailored software solutions using Python.

The Senior Software Engineer will design and develop cloud-based Analytics applications, collaborating with domain experts to optimize supply chain operations using Java, JavaScript, and SQL.

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

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.

Provide front-line production support and troubleshooting for U.S. equities execution infrastructure during Asia hours. Maintain exchange connectivity, resolve order rejects, develop Python monitoring/diagnostic tools, coordinate incidents with exchanges and global teams, participate in testing and ensure production readiness.

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.