Top Software Engineer Jobs in Tokyo

Design, build, and operate large-scale distributed data pipelines and platforms (Spark, Kafka, data warehouses/lakes). Optimize performance, establish architecture and tooling, and support ETL, deployment, monitoring, and scalability.

The Open Source Engineer will expand LanceDB's integration with big data systems, manage dataset operations, and enhance open-source community efforts.

Build core components of a diagnostic and personalization platform: backend data pipelines, frontends, services for genomic data ingestion, ML model integration, APIs, and cloud infrastructure. Collaborate with product and ML teams, iterate on prototypes and MVPs, and make architectural decisions supporting scalability and reliability.

Design and build the on-prem software stack for ModelVault appliances: containerized inference engines, model integration (LLMs/vision), deployment tooling, CLIs/GUI/APIs, OS and GPU setup, remote updates, telemetry, and collaborate with customers and founding team to iterate and scale the engineering org.

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.

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.

The Principal Software Engineer will lead SW development for automotive embedded systems, interact with global customers, and handle complex technical issues while ensuring quality audio system solutions.

Senior Software Engineer focused on backend service operations, responsible for system deployment, monitoring, troubleshooting, and improving operational workflows.

As a Software R&D Engineer, you'll design and develop software for ICP-MS instruments, ensuring high reliability and performance while addressing complex customer applications and mentoring junior engineers.

Senior/Staff software engineer responsible for designing and building scalable, low-latency liquidity platform components for trading, working with Risk & Analytics to instrument metrics and controls, improving platform reliability and performance, and mentoring other engineers.

Lead architecture and delivery of complex backend microservices and AI-augmented data pipelines. Integrate LLMs and agentic AI into streaming and batch pipelines, define platform standards, ensure reliability and security, mentor engineers, drive cross-team technical alignment, and manage production incidents and platform improvements.

Design, implement, and maintain scalable, high-availability backend brokerage systems for Japan. Build gRPC/REST microservices, integrate with Japan market infrastructure and vendors, ensure regulatory compliance, participate in on-call rotations, troubleshoot incidents, and collaborate across global teams while mentoring and driving regional engineering efforts.

The Senior Software Engineer in Test builds and executes automated tests, develops testing tools, and collaborates on technical designs while ensuring system testability for the TraceLink platform.

The Senior Software Engineer will develop a document IDE, improve performance, refactor code, interview users, and propose innovative features.

As a Staff/Senior Machine Learning Platform Engineer, you will architect and scale ML infrastructure, manage data pipelines, and mentor junior engineers.