Design and implement architecture for ERP systems, optimize performance, and support requirements definition.
Build an LLM-based sales product, implementing AI features, architecture, integrations, and quality improvements with a cross-functional team. Remote work is available.
AI-driven Tech Lead role focused on architecture and technology advancement, serving as a core member in launching Exa Frontier Edge, a new AI-native SI company.
Build AI Worker VoiceAgent’s web frontend, designing visual interfaces and admin features, selecting architecture, and delivering releases with TypeScript and React in a hybrid office/home role.
Build web applications and AI agents to solve customer and business problems, working across frontend, backend, and infrastructure from problem discovery through operation and ongoing improvement.
Lead customer projects for major Japanese companies from scope and architecture through data pipelines, implementation, rollout and operations, coordinating departments. Remote work is available.
Design and operate reliable payment and financial systems, covering transaction integrity, recovery, compliance, cloud infrastructure, and new financial products. The role requires 5+ years of web application experience and leadership across multiple technical domains.
Leads product planning and hands-on development for DX SaaS and AI systems, using field research to shape product vision, roadmaps, prioritized features and ongoing improvements.
Sets technical strategy and architecture for the PROEVER project-management SaaS, writes and reviews code, drives AI features and builds the engineering organisation.
Leads development across backend/API and frontend for a used-smartphone buying service, strengthening transaction reliability, partner integrations, and product-wide technical direction.
Lead new-business product development with a product manager, shaping MVPs, managing quality, cost and schedule through release, building the team, and guiding technical decisions.
Lead customer-specific software projects for major Japanese companies, covering requirements, architecture, data pipelines, implementation, deployment, and operations. Remote work is available.
Lead AI-centered software architecture and development at STORES, building agent-driven development environments, improving products, and guiding high-difficulty projects across applications, infrastructure, and teams.
Design and operate commercial real-estate software covering real-time data integration, domain modeling, AI/LLM features, security, and rapid product development. Remote work is available.
Develops frontend features for online consultation and clinic-DX services, covering implementation, testing, reviews, releases and process improvements across a healthcare platform.
This software engineering role leads AI application development for the AI Platform Business and is located in Minato, Tokyo, Japan.
Owns end-to-end product development for clinical applications, building backend APIs and frontend features, scaling core systems, and integrating real-time AI services with AWS and Azure.
Develop and operate the backend foundation for pixiv Premium, a large subscription service, covering analysis, design, implementation, performance, safety, platform renewal, and team leadership.
Manage software development projects for financial services, turning business needs into requirements and workable plans while coordinating quality, security, risks, stakeholders, and release.
Manage software engineering teams across people, process, and project management, supporting member growth and organizational improvement in a real-estate technology business.
Build customer-specific AI agent applications from frontend to backend, covering requirements, UI design, APIs, LLM integration, deployment, monitoring, and continuous improvement. The role requires 3+ years of web application experience, cloud development, and Japanese native-level ability.
Builds backend services for a new AI and data product, connecting prepared fan data to user-facing features through APIs, database design and large-scale data processing.
Leads people and technology management for software teams building B2B SaaS products. Starts as an engineer, then expands management responsibilities; remote work is available.