Top Software Engineer Jobs in Japan

Responsible for managing software and customer tickets, supporting project teams, and ensuring compliance with process timelines and quality standards in software development.

Design, develop, and maintain scalable, high-performance BIM backend systems. Build APIs and services to integrate AI, prototype unified ingestion/storage for 3D/AEC data, collaborate with product teams, and ensure monitoring, performance, and cost-balanced architecture.

As a Senior Backend Engineer, you'll enhance Mapbox's EV data infrastructure, designing data pipelines and APIs while ensuring data quality and scaling services for global EV coverage.

As a Telematics Software Integrator Engineer, you'll be responsible for managing software requirements, ticket handling, and facilitating collaboration between teams to enhance software quality and efficiency.

Bring Unity's real-time 3D runtime to embedded Android and AAOS in automotive, integrate Unity into native Android apps, build graphics/windowing layers, profile and optimize runtime on constrained SoCs, collaborate with OEMs to resolve issues, and raise engineering quality through design, reviews, and automated testing.

Design, prototype, and implement scalable 3D CAD/CAM software and algorithms for medical device mass production. Collaborate across manufacturing, product, and QA teams to define requirements, draft architecture, optimize processes (including 3D printing and laser workflows), and mentor junior engineers throughout the full software lifecycle.

Lead architecture and technical strategy for a data interoperability connector platform and SDK. Write production code, drive cross-team technical decisions, improve developer productivity, ensure reliability, lead incidents, act as Product Owner when needed, and mentor technical leaders across the domain.

Lead collaboration with software developers in embedded systems product development. Design robotic systems, optimize device drivers, and enhance continuous integration. Mentor junior engineers and oversee project management.

Develop and deploy ML and classical perception systems for L4 autonomous trucks: design/train 3D detection models across LiDAR/camera/radar, build sensor-fusion and tracking pipelines, operate data engines, validate safety-critical capabilities through simulation and on-road validation.

Design, implement, and optimize embedded device drivers and inter-processor communication for MCU and Linux platforms. Contribute to embedded architecture across bare-metal firmware, RTOS, hardware abstraction, and host libraries. Lead board bring-up and hardware-firmware debugging with test automation, build/flash CI, and collaboration with electronics and robotics teams.

Design, build, and operate scalable, highly available Threat Protection and ShadowAI services. Own features end-to-end, implement detections and policies for generative AI and web threats, maintain tests and SLOs, use AI-assisted tooling responsibly, and collaborate with product, security, and ops to deliver reliable, secure production services.

Design, implement, and verify firmware and embedded software for humanoids, dual-arm robots, robotic hands, and teleoperation systems. Develop low-level control platforms, device drivers, communications (CAN/UART/SPI/I2C/Ethernet), logging/diagnostics, and interfaces to ROS/ROS2. Conduct real-robot testing, failure analysis, and system integration with mechanical, electrical, AI, and cloud teams to improve reliability and reproducibility for research data collection.

Design, build, deploy, and operate backend features and services in a cloud environment. Ensure scalability, reliability, and performance, collaborate cross-functionally, use AI-assisted development tools, and reduce production incidents while meeting sprint and roadmap commitments.

The Senior Software Engineer designs, develops, integrates, and debugs software for Biomek automated systems, collaborating with customers and R&D teams while managing projects and requirements.

Design and build scalable backend brokerage systems for Japan, develop gRPC/REST microservices and vendor integrations, translate regulatory requirements into technical specs, participate in on-call rotations, troubleshoot production incidents, and collaborate with global teams to support Japan market features like NISA and MyNumber.

Design and implement core Web3 protocol features and secure smart contracts in Solidity. Integrate blockchain solutions, optimize scalability and performance, review code, and mentor junior engineers while staying current on EVM internals and DeFi protocols.

Design, optimize and maintain the exchange's low-latency matching and risk engines. Build and scale trading gateway connectivity, improve throughput/latency, support REST/WebSocket client integrations, debug complex issues, write thorough unit and integration tests, and collaborate with Quant, Gateway, and Product teams to enhance blockchain signature SDKs.

The Software Engineer will integrate customer software into the Vehicle OS, manage project timelines, and ensure high-quality software delivery for complex embedded systems.

As a Staff Software Engineer focusing on Data Backend, you will design APIs, manage data warehouses, develop data pipelines, and optimize operations using cloud technologies.

Lead design, implementation, deployment, and maintenance of production ML systems for document understanding. Build scalable model-serving infrastructure, develop and fine-tune ML models (CV/NLP/OCR), collaborate with product owners, and mentor junior engineers.