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.
Develop and improve Loglass Management through customer-informed design, server-side features, performance optimization, refactoring, testing, and development-process automation.
Lead multiple product teams for Fanicon, aligning business, product, and technology. Manage engineers, support technical decisions, and improve processes, quality, and team growth.
Build an LLM-based sales product, implementing AI features, architecture, integrations, and quality improvements with a cross-functional team. Remote work is available.
As an IAM Engineer, you will design and implement Money Forward's ID platform and provide technical leadership to engineering teams.
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.
Lead customer projects for major Japanese companies from scope and architecture through data pipelines, implementation, rollout and operations, coordinating departments. 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.
Lead customer-specific software projects for major Japanese companies, covering requirements, architecture, data pipelines, implementation, deployment, and operations. Remote work is available.
Lead server-side development and technical decisions for Loglass SaaS, including rearchitecture, performance improvements, workflow automation, and project leadership. Telework is included.
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.
Manage the engineering organization behind Fanicon, a membership fan-community app. Lead team building, people management, evaluations, recruiting, and engineering PR.
Develop and modernize mission-critical systems in the FinTech sector, ensuring high quality and efficiency.
Design and operate shared platform services across products, including authentication, authorization, integrations, governance, scalability, and reliability; home working is available.
Lead product strategy and roadmap for Fanicon and +KIRARI, turning user and business needs into priorities, requirements, and measurable improvements with designers and engineers.
Leads people and technology management for software teams building B2B SaaS products. Starts as an engineer, then expands management responsibilities; remote work is available.
Lead quality design and test engineering for in-vehicle taxi systems, covering Android, hardware, networks and location services. Build CI/CD and automated E2E testing, improve simulation environments, and conduct field tests.
We are looking for an experienced Backend Software Engineer to join the team behind LINE's Messaging Platform. This role involves designing, implementing, and evolving critical backend systems that enable global real-time communication at scale.
Lead backend-centered development of a next-generation management SaaS through architecture, domain modeling, performance improvements, refactoring, testing, automation, and team process improvement.
Build and improve merchant-facing payment web applications with React and TypeScript, handling UI/UX, features, refactoring, reviews, testing, maintenance, and team design work.
Develop Android apps, SDKs, libraries, and tools for game content. Use Kotlin to improve performance, investigate defects, implement server communication, and update development environments.
Develop and improve Android applications used in taxi vehicles, including driver, passenger-tablet, payment, GPS, Bluetooth, serial communication, and MQTT functions. The role supports reliable mobility services and future autonomous taxi systems.
Develop and operate reliable, scalable backend applications for USEN PAY, including payment APIs, data management, architecture design, testing, monitoring, performance tuning, and incident response. The role uses Kotlin, Java, Spring Boot, AWS, and Terraform, with flexible hybrid or remotely negotiable work in Tokyo.