Top Software Engineer Jobs in Yokohama

Lead design and development of embedded Linux systems for automotive applications, including drivers, middleware, and camera sensor integration. Create technical specs, optimize security and real-time performance, troubleshoot and debug, ensure adherence to automotive standards (ISO 26262, AUTOSAR), mentor junior engineers, and collaborate with system and validation teams.

Lead backend architecture and build scalable, high-concurrency services and APIs (Node.js) powering web and mobile. Own components end-to-end, manage CI/CD and infrastructure (IaC, containers, cloud), improve reliability, and collaborate with PM/design to deliver core features like live interactions and checkout.

Lead backend design and development for a mobile-first strategy-building fintech: build scalable Python/FastAPI services, real-time APIs/WebSockets, integrate market data providers, optimize performance across large datasets and simulations, contribute front-end React/TypeScript work, maintain containerized deployments and CI/CD pipelines, and document and collaborate in an async-first team.

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.

Design, develop, and optimize autonomous AI agents capable of reasoning, planning, tool use, and multi-step execution. Build agent frameworks, human-AI collaboration mechanisms, monitoring and evaluation systems, and production integrations. Apply large language models, prompt engineering, reinforcement learning, planning algorithms, workflow orchestration, and system design. Collaborate cross-functionally while researching advances in agent technology and improving reliability, accuracy, safety, and efficiency.

Participate in cryptography research for blockchain applications, focusing on post-quantum signatures, threshold signatures, signature aggregation, and proof systems. Benchmark NIST PQ standards, collaborate with senior researchers to apply results, publish findings, and contribute to open-source projects.

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.

Build and architect Base360.ai: design and launch booking, pricing, payments, operations, and AI-powered automation. Integrate platforms (Airbnb, Stripe, Twilio, OpenAI), scale systems internationally, and embed AI workflows to automate operations and optimize revenue.

The Software Engineer will design, develop, and maintain robust APIs, oversee backend services, and collaborate with cross-functional teams while focusing on scalability and performance.

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.

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.

Own quality strategy for multiple applications; design and implement scalable automation frameworks; lead end-to-end testing (functional, integration, performance, security); mentor junior testers; perform root-cause analysis and improve automation stability and test execution at scale.

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.

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

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.

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.

The Software Engineer will build data ingestion pipelines, manage cloud infrastructure, and collaborate on AI dataset roadmaps for model training operations.

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.

Build and scale Base360.ai: design APIs, services, and cloud-native infrastructure; implement event-driven automations, AI-powered workflows, and integrations (Airbnb, Stripe, Twilio, OpenAI). Own projects end-to-end to automate operations, improve pricing and guest experiences, and enable global scaling.

The role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.

Develop, optimize, test, and document Soroban smart contracts on the Stellar network for cross-border payment solutions. Integrate anchor services, collaborate with cross-functional teams, debug and support deployments, and stay current with blockchain and payments developments.