Full-time

EN preferred

Japanese (N2)

Visa maybe

Remote

GenAI

Leads customer implementations of LLM and generative-AI systems from architecture through production, building full-stack solutions and improving model quality.

Internship

English?

Visa maybe

JavaScript

Python

Java

Join Apple's Information Systems and Technology team as a technical intern, applying programming skills in application, web, or server-side development across international projects.

Full-time

EN preferred

Japanese?

GraphQL

Architect

TypeScript

Design and implement architecture for ERP systems, optimize performance, and support requirements definition.

Full-time

Japanese?

Tech Lead

PHP

JavaScript

TypeScript

Lead technical strategy across Smaregi products, design shared foundations, establish quality standards and resolve engineering bottlenecks with teams.

Full-time

No JP needed

EN required

Visa maybe

Remote

Backend

Design and operate production AI agents for customer-facing products in Money Forward’s CDAO Office.

Full-time

Japanese?

Remote

AI

GenAI

TypeScript

Build an LLM-based sales product, implementing AI features, architecture, integrations, and quality improvements with a cross-functional team. Remote work is available.

Full-time

JP preferred

EN required

Visa maybe

Management

Eng Manager

Lead multiple product teams for Fanicon, aligning business, product, and technology. Manage engineers, support technical decisions, and improve processes, quality, and team growth.

Full-time

Japanese?

Remote

Frontend

TypeScript

React

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.

Full-time

Japanese?

Visa maybe

Remote

TypeScript

React

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.

Full-time

Japanese?

Remote

Full-stack

AWS

Tech Lead

Owns architecture and end-to-end delivery for a pharmacy inventory AI product, working across backend, AWS infrastructure and React while guiding technical decisions, integrations and development practices.

Full-time

Japanese?

Remote

Tech Lead

Backend

SaaS

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.

Full-time

JP Native

Remote

Project Mgr

TypeScript

Kotlin

Lead customer projects for major Japanese companies from scope and architecture through data pipelines, implementation, rollout and operations, coordinating departments. Remote work is available.

Full-time

Japanese?

Remote

Fintech

Payments

GenAI

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.

Full-time

Japanese (N3)

Visa maybe

Remote

Full-stack

TypeScript

Lead a team of engineers, manage technical decisions, and balance technical debt with new feature development.

Full-time

Japanese?

PM

TypeScript

Python

Go

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.

Full-time

Japanese?

Tech Lead

Architect

JavaScript

SaaS

Lead enterprise SaaS architecture and feature development, addressing scaling bottlenecks and technical debt while mentoring engineers through code review.

Full-time

Japanese?

Remote

Tech Lead

SaaS

TypeScript

Sets technical strategy and architecture for the PROEVER project-management SaaS, writes and reviews code, drives AI features and builds the engineering organisation.

Full-time

Japanese (N1)

Remote

Tech Lead

GenAI

Flextime

Leads development across backend/API and frontend for a used-smartphone buying service, strengthening transaction reliability, partner integrations, and product-wide technical direction.

Full-time

Japanese?

Remote

Security

AWS

K8s

Improves security across web products and cloud infrastructure, managing vulnerabilities and CI/CD checks while partnering with engineers on risk reviews, remediation, and incident readiness.

Full-time

English?

Visa maybe

Backend

K8s

SQL

Design, build, and maintain scalable backend systems for Fanicon, collaborate with product and engineering stakeholders, lead engineers, and improve architecture, scalability, and reliability.

Full-time

Japanese?

Visa maybe

Remote

Full-stack

TypeScript

As a Full Stack Engineer, you will design, implement, and operate core functions of the product, focusing on both backend and frontend development.