Top Software Engineer Jobs in Japan

Design, develop, and deploy secure software and data pipelines to transform patient data into real-world evidence. Build web apps and scalable automated pipelines, ensure data quality and tests, address security and privacy constraints, and occasionally deploy and operate solutions at hospital partner sites.

The Forward Deployed Software Engineer designs and implements data-driven solutions for clients, collaborating with diverse teams to tackle complex problems and drive impactful results.

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.

Develop and optimize real-time onboard autonomy software for heavy vehicles, including perception, sensor fusion, planning execution, control, and safety monitoring. Maintain middleware for sensor ingestion, ensure deterministic latency and throughput, implement ASIL-relevant fault detection and recovery, build diagnostics and observability, write unit/integration/HIL tests, contribute to CI/CD, and productionize research into efficient C++ deployments.

Design and implement high-performance control modules for off-road autonomous vehicles. Characterize vehicle dynamics, close sim-to-real gaps, and build optimal-control solutions (e.g., nonlinear MPC, MPPI). Test controllers on production vehicles and collaborate with customer engineers to deploy robust autonomy under real-world constraints.

Design, develop, and deploy secure software to transform patient data into real-world evidence. Lead architecture and data extraction/web application development, troubleshoot hospital deployments and complex network constraints, mentor engineers, and collaborate with clinicians, product, and data teams.

Lead technical and architectural direction for HERE Map and Services in Japan. Solve complex, ambiguous, cross-team problems, drive engineering excellence, design scalable systems, perform code and design reviews, and promote AI and modern tooling to improve productivity and quality.

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.

The role involves sourcing audio data for model training, operating cloud infrastructure in GCP, collaborating on data pipelines, and improving data quality and scale for AI models.

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.

Join a technical team at Build.io to improve its PaaS, focusing on software development, automation, and infrastructure while supporting customer needs.

Develop real-time motion control software for robot manipulators, integrate software components, and ensure robotics solutions are production-ready.

Lead R&D in multi-agent systems for Automotive, design security models, develop AI agents, and manage PaaS services.

Build and maintain open-source AI/ML platform capabilities for model training, deployment, monitoring, and integrations. Collaborate with the AI community, ensure tooling availability for customers, and mentor junior engineers.

Design, develop, release, and maintain large-scale web and mobile applications for India. Collaborate with product and cross-functional teams, write frontend (React)/backend (Java/Ruby/Python) code, lead architecture and integration decisions, mentor engineers, manage production severity incidents, drive refactoring and best practices, and work with Security, IT Ops, and QA to ensure quality delivery.

Early-career backend engineer role in the Binance Accelerator Program. Contribute to product development and maintenance, write and maintain interface documentation, troubleshoot QA issues, and assist customer service with problem resolution and classification for system improvements.

Design and build backend microservices for real-time fraud detection, transaction monitoring, and risk analysis. Integrate ML models and risk scoring engines, support scalable distributed systems, and leverage AI-assisted development and LLM/agent tools for risk automation.

Early-career software engineer in a fixed-term accelerator contributing to backend/full-stack feature development, testing, CI/CD, and deployments. Collaborate on API and system design, integrate and deploy AI/LLM capabilities (LLM APIs, RAG, embeddings, agents), build datasets/benchmarks, monitor performance, debug issues, and produce technical documentation.

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.

Improve developer experience and deployment processes by designing and building tools, libraries, and frameworks; optimize build/compile times; develop scalable deployment tools for automotive and cloud platforms; enhance software deployment and data collection frameworks; identify and resolve bottlenecks across the software stack.

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.

Design, develop, and maintain backend services and APIs for various applications, optimizing performance and collaborating with teams on product strategy.

The role involves enhancing data ingestion pipelines by sourcing audio data, managing cloud infrastructure on GCP, and collaborating with the AI team to optimize dataset creation for model training.

As a Senior iOS Engineer at Speechify, you will lead engineering and product decisions, actively ship production code, and contribute to product discussions while maintaining and enhancing app architecture.

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.