Internship

English?

Visa likely

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

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?

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

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

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 likely

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?

Remote

Tech Lead

Go

Rails

Design and develop services using microservices and REST APIs, with experience in DDD and Clean Architecture.

Full-time

Japanese?

Remote

AI

GenAI

Tech Lead

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.

Full-time

English OK

Visa likely

Relocation

Security

TypeScript

Senior security engineer joining the SRE team to secure products through penetration testing, application and AI security, automated controls, and audit support.

Full-time

Japanese?

Visa maybe

Remote

Tech Lead

SaaS

Lead server-side development and technical decisions for Loglass SaaS, including rearchitecture, performance improvements, workflow automation, and project leadership. Telework is included.

Full-time

Japanese?

Visa maybe

Remote

Full-stack

GenAI

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.

Full-time

Japanese?

Remote

Python

GCP

Linux

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.

Full-time

English?

Visa likely

Full-stack

GenAI

Python

Build and maintain a full-stack AI translation platform with web applications, backend services, and data pipelines; integrate LLMs and support QA, reliability, and observability.

Full-time

Japanese?

Visa maybe

Remote

TypeScript

Kotlin

Design and operate shared platform services across products, including authentication, authorization, integrations, governance, scalability, and reliability; home working is available.

Full-time

Japanese?

Visa maybe

Remote

Backend

Go

Develop SaaS web applications for IoT access-control and keyless-rental services, focusing on backend design, operation, and performance. Remote work is available.

Full-time

Japanese?

Visa maybe

Full-stack

Backend

TypeScript

Lead the development of AI products, focusing on VoiceAgent and AI Worker Platform.

Full-time

Japanese?

Visa maybe

Remote

Management

Eng Manager

Leads people and technology management for software teams building B2B SaaS products. Starts as an engineer, then expands management responsibilities; remote work is available.

Full-time

Japanese?

Visa maybe

Remote

TypeScript

Python

Develop Akerun’s web application across backend and frontend, building APIs, React/TypeScript UI, databases and cloud infrastructure. Remote work is available.

Full-time

English OK

Visa likely

Backend

K8s

Postgres

Develop backend microservices for a CPaaS platform, building scalable messaging and identity services with Kubernetes, databases, REST APIs, CI/CD, and observability tools.

Full-time

Japanese (N1)

Remote

PM

JavaScript

TypeScript

Drive Fanicon’s product lifecycle by shaping vision and strategy, prioritizing user needs, planning releases, and coordinating development to improve user experience, performance, and scalability.

Full-time

English OK

Visa maybe

Cloud

AWS

GCP

Designs and operates public-cloud infrastructure for engineering teams, using Infrastructure as Code, governance, automation, and deployment pipelines to improve secure, reliable services.

Full-time

Japanese?

Remote

Full-stack

Python

Go

Develop and operate AI-integrated systems across frontend, backend, cloud and AI domains, while designing infrastructure and low-code solutions for DX projects with data scientists and sales teams.