Lead architecture and hands-on development for GENIEE SFA/CRM, solve enterprise needs with AI, manage engineering teams, and improve delivery. Two home-working days are possible weekly.
Design, build, and maintain production-grade ML systems with a focus on Large Language Models (LLMs).
Design, develop, and operate AI agent infrastructure using LLM platforms and agent frameworks to enhance business decision-making.
Develop and operate PlayStation online services, improving platform reliability and maintainability through standardization, automation and AI-assisted operations.
Build data pipelines and machine-learning models for commercial real estate, tune inference, and lead AI product PoCs and MVPs with business teams. Hybrid remote work is available in Tokyo.
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.
As an IAM Engineer, you will design and implement Money Forward's ID platform and provide technical leadership to engineering teams.
Lead backend-focused development of Akerun Digital ID, a multi-tenant SaaS. Define requirements, design and implement web applications, select technologies, and maintain the service.
Manage the Application Platform team supporting BUYMA development teams with backend modernization, microservices, SRE practices, cloud scalability, and AI-assisted development.
Lead customer projects for major Japanese companies from scope and architecture through data pipelines, implementation, rollout and operations, coordinating departments. Remote work is available.
Leads engineering teams for BUYMA, a cross-border C2C marketplace, coordinating development, architecture, process improvement, people management, and cross-functional projects.
Lead customer-specific software projects for major Japanese companies, covering requirements, architecture, data pipelines, implementation, deployment, and operations. Remote work is available.
Design, develop, and operate payment and money-transfer functions for pixiv services, integrate external providers, prevent fraud, monitor reliability, and coordinate platform improvements with other teams.
Build Builder Work’s full-stack products, including a data-driven matching engine, AI/LLM features, internal systems, and new qualification-support services from design through operations.
Lead backend development management and technology strategy for the USEN PAY cashless payment service. Design and operate highly available, robust, scalable systems while improving team productivity and engineering quality. The role offers flexible hours and a hybrid work style in Tokyo.
Develop AI solutions from PoC through production, building models, APIs and MLOps platforms. Translate business needs with consultants and support client adoption. Remote work is available.
Test web, mobile, API, cloud, telecom, and AI/ML systems through manual and automated penetration testing. Identify vulnerabilities, document findings, and validate remediation.
Lead development direction and project management for restaurant POS and store DX solutions, translating customer and business needs into system requirements and coordinating delivery.
Design, develop, evaluate, and deploy AI models and production systems for security and intelligence projects, using Python, cloud platforms, containers, IaC, and CI/CD with customers.
Design, build, and operate Enigmo’s AI Platform for BUYMA, spanning search, data pipelines, MLOps, model-serving APIs, observability, reliability, and cost-conscious cloud architecture.
Develop SaaS web applications for IoT access-control and keyless-rental services, focusing on backend design, operation, and performance. Remote work is available.
Develop VRoid Hub and VRoid SDK from planning through release, coding, reviewing code, making technical decisions, and using Ruby on Rails, React, AWS and Kubernetes.
Develop AI products for commercial real estate, productionize models and data pipelines, build MLOps operations, and lead PoC-to-MVP application work with product teams. Remote work is available.