Full-time

Japanese (N1)

Visa maybe

Remote

GenAI

JavaScript

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

Full-time

Japanese?

Visa maybe

Remote

Security

AWS

Leads security operations, architecture, and implementation across Keyence’s global IT infrastructure, covering monitoring, incident response, threat analysis, cloud security, and security tools.

Full-time

Japanese (N1)

Visa maybe

Remote

Management

Eng Manager

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.

Full-time

Japanese?

Visa maybe

GraphQL

Architect

TypeScript

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

Full-time

Japanese?

Visa maybe

Remote

AI

Terraform

Design, develop, and operate AI agent infrastructure using LLM platforms and agent frameworks to enhance business decision-making.

Full-time

Japanese?

Visa maybe

Remote

Backend

TypeScript

Develop and improve Loglass Management through customer-informed design, server-side features, performance optimization, refactoring, testing, and development-process automation.

Full-time

Japanese (N1)

Visa likely

Spark

AWS

AI

Applied GenAI engineering role for Amazon Logistics requiring AWS data services and big-data technologies, including Redshift, S3, Glue, EMR, Kinesis, Hadoop, Hive, and Spark.

Full-time

Japanese?

Remote

GenAI

Tech Lead

Full-stack

Lead software development from requirements through release and maintenance, improve architecture and development processes, and support team growth across GO's mobility products. The role may involve hands-on implementation, people management, and generative AI adoption.

Full-time

Japanese?

Remote

AI

Management

ML

Lead AI transformation projects from vision and requirements definition through PoC, implementation, operations, and adoption. Manage multiple client engagements, teams, quality, profitability, staffing, risks, and stakeholder alignment.

Full-time

English?

Visa likely

Management

Eng Manager

TypeScript

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 (N1)

Visa likely

Remote

Relocation

ML

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.

Full-time

Japanese?

Visa maybe

Remote

Frontend

TypeScript

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

AI

GenAI

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

Japanese?

Visa maybe

Remote

ML

AI

Develop AI-based image-processing software and algorithms for factory-automation products, including machine-learning models, data preparation, algorithm tuning, and product solutions.

Full-time

English OK

Visa likely

No JP needed

Relocation

Backend

As an IAM Engineer, you will design and implement Money Forward's ID platform and provide technical leadership to engineering teams.

Full-time

Japanese (N1)

Visa likely

Architect

Kafka

Elastic

Design production-grade AWS data architectures for enterprise customers, spanning analytics, warehouses, data lakes, pipelines, streaming, search, governance, security, cost, and operations.

Full-time

Japanese?

Visa maybe

Remote

Tech Lead

Backend

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

Japanese?

Remote

AWS

Azure

GCP

Designs, builds, deploys, and operates cloud and on-premises infrastructure while supporting consulting, proposals, project management, service planning, and customer DX initiatives across industries.

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 (N1)

Visa maybe

Remote

Management

Eng Manager

Leads engineering strategy, architecture, team development, reliability, and business growth for a large advertising platform, with hands-on technical work and two available work-from-home days.

Full-time

No JP needed

EN required

Visa likely

Backend

Python

Develop core features for HENNGE One, focusing on backend and web-platform development, ensuring secure access experiences for enterprises.