Top Software Engineer Jobs in Japan

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.

Design, implement, and maintain Python-based systems and automation tools. Build and optimize scalable distributed systems, CI/CD pipelines, and automated test frameworks. Integrate device hardware and testing tools, debug video streaming products, and write clean, testable Python code while collaborating with cross-functional global teams.

Develop and maintain the Comet APAC Structured Products platform for equity derivatives covering pre-trade and post-trade pricing, trade capture, legal documentation and client connectivity. Write code and unit tests, participate in code/design reviews, ensure scalable performant secure code, collaborate with global and cross-functional teams, and provide second-level support.

The role involves developing the Guidance Navigation Control subsystem for a lunar lander, including algorithm design, testing, and integration with teams for operation preparation and troubleshooting.

Lead full-stack development for APAC-focused intelligent data pipelines and AI-powered features. Collaborate with engineers, product, and analysts to design, prototype, and ship production-ready systems using LLM SDKs, integrate proprietary data assets, and support custom client solutions.

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

Collaborate with engineers to extend compiler/toolchain for high-performance ML model deployment on AI hardware. Requires significant software engineering experience and knowledge of ML.

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.

Join Valeo as a VIE Software Engineer, supporting software project management and quality assurance in a dynamic, multicultural environment focused on automotive innovation.

The Software Engineer role involves designing, developing, and maintaining backend services, optimizing APIs, and collaborating with cross-functional teams for enterprise solutions.

As a Senior iOS Engineer at Speechify, you will lead engineering decisions, ship production code, and enhance app architecture to support a growing user base.

Develop software for network functions, tune Linux kernels, create module specifications, and support product certifications while collaborating internally and externally.

Develop and maintain features for Westlaw Japan and its next-generation platform using front-end and back-end technologies. Work with senior engineers to understand architecture, fix defects, participate in code reviews, follow Agile processes, and collaborate with product and QA to deliver secure, high-performance legal research software.

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 Robotics Control Systems team member, design and maintain robotics control software, focusing on multi-robot control, path planning, and task allocation. Collaborate on architecture, improve processes, and address customer challenges while ensuring user-focused development.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

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.

Develop, commission, configure, and support software systems integrated with industrial equipment. Diagnose hardware/software issues, manage industrial communication protocols and fieldbus systems, train customers and teams, ensure compliance with standards, and perform on-site commissioning and support.

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.

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.

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.

You will build and maintain container images, automate CI/CD processes, engage with the community, and mentor junior team members in a collaborative environment.

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 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.

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.