Belong

Used Electronics · Device Recommerce

Belong is a Japanese device-reuse company that retails and wholesales used smartphones. Its Nicosuma services let consumers and small businesses buy inspected used smartphones and tablets or sell unwanted phones, while its operations center handles inspection, grading and data erasure.

For organizations, Belong One rents, sells and buys used smartphones and tablets, with options including device setup, individual delivery and help-desk support. The company earns revenue from device sales and rentals; its purchasing services replenish inventory for resale. In July 2026, Belong One expanded corporate purchasing to notebook and tablet PCs.

Salary range
¥3M – ¥16M
Median
¥5M – ¥9.2M
Remote or hybrid
48%
Most requested
Common areas
  • Business development 6
  • Sales 6
  • Finance & accounting 5
  • Backend engineering 4

Measured from the 33 listings Ranked has live for Belong. Japanese level, visa signal and skills are AI-graded from each posting and can be wrong — confirm against the employer's original posting before applying.

33

8

Full-time

Japanese?

Remote

Biz Dev

Fin Analyst

Responsible for procurement strategies for used mobile devices, analyzing market trends, and establishing supplier partnerships.

Full-time

Japanese?

Remote

Finance

Accounting

Management

Work with the CFO and management to improve company-wide KPI and management accounting, strengthen financial reporting and internal controls, and build the finance team.

Full-time

Japanese?

Remote

Marketing

Content Mkt

Branding

The Engineering PR Manager will enhance and expand the developer community, conveying technical appeal and supporting developer experience.

Full-time

Japanese?

Remote

Sales

Account Mgr

Propose solutions to corporate clients based on their challenges, integrating devices and services to transform their business processes.

Full-time

Japanese?

Sales

Biz Dev

Account Mgr

Design and propose large-scale distribution schemes for used smartphones, collaborating with major carriers and agents.

Full-time

Japanese?

Remote

PM

Project Mgr

Architect

Lead project management as a technical product manager, collaborating closely with business and marketing teams to develop product concepts and drive continuous improvement.

Full-time

Japanese?

Sales

Account Mgr

Biz Dev

Responsible for understanding and maximizing sales with key partners in the telecommunications industry, including MVNOs and carrier agents.

Full-time

Japanese?

Remote

Management

Biz Dev

Operations

Lead the new reuse trading unit, developing domestic sourcing and sales for smartphones, tablets, and PCs while building operations, managing targets, and developing the team.

Full-time

Japanese?

Accounting

Handle monthly and annual closing, daily accounting, cash-flow and budget reporting, audits, and process improvements, with future work in overseas closing and internal controls.

Full-time

Japanese?

Remote

PM

E-commerce

Management

Manage the product lifecycle for BtoC used smartphone sales and buyback services, leading vision, roadmap, and development direction.

Full-time

Japanese?

Biz Dev

ESG

Design new business models with major telecom carriers and distributors, build large-scale device recovery and sales schemes, improve operations, and connect partner and market insight to product teams.

Full-time

Japanese?

Sales

Biz Dev

Account Mgr

This role involves building strategic partnerships with SaaS companies and IT vendors to create new business models and ecosystems.

Full-time

Japanese?

HR

Recruiting

Management

Strategy

Support the performance and job satisfaction of engineers through HR strategy planning and execution, focusing on recruitment and organizational development.

Full-time

Japanese?

Management

Strategy

Finance

Recruiting

Lead corporate planning at Belong, supporting the CEO and CFO with strategy, business plans and company-wide KPIs. Drive new business, M&A, alliances, executive reporting and team development.

Full-time

Japanese?

Remote

Sales

Operations

Flexible

Supports reuse-device sales by preparing quotations and purchase notices, handling system applications and customer orders, coordinating with operations, and improving new PC-purchasing workflows.

Full-time

Japanese?

Remote

Marketing

Project Mgr

E-commerce

Support the strategic promotion of the marketing department under the CMO, maximizing results through various projects.

Full-time

Japanese?

Remote

Strategy

Finance

Compliance

Analyze company-wide financial data, build KPI and management-accounting processes, develop plans and forecasts, and prepare reports for executives and the parent company.

Full-time

Japanese?

Biz Dev

Management

Marketing

Lead strategy and execution for Amazon and other major marketplaces selling refurbished smartphones, using market, competitor, sales and inventory data to maximize revenue and profit.

Full-time

Japanese?

Remote

Accounting

Management

Finance

Leads accounting operations, closing, audit and J-SOX controls while improving systems and workflows, supporting consolidation planning, and managing and developing the accounting team.

Full-time

Japanese?

Remote

UI/UX

Product Dsgn

E-commerce

Design and direct UI/UX for reuse-market services, creating prototypes and design systems, conducting research and testing, and collaborating with product and engineering teams.

Full-time

Japanese?

Remote

Tech Lead

Management

Eng Manager

Lead the design, development, and operation of the internal operation system supporting the circulation of used devices.

Full-time

Japanese?

Cloud

DevOps

GCP

Responsible for maintaining and improving the availability, robustness, and fault tolerance of internal and external services. Expected to lead the construction and operation of monitoring and alert environments.

Full-time

Japanese?

Remote

Help Desk

Security

Network

Manage Belong’s corporate IT environment, including help-desk support, device and SaaS administration, onboarding, network operations, audits, automation, and security response.

Full-time

Japanese?

Frontend

TypeScript

JavaScript

React

Lead the development and operation of frontend services for Belong's customer services, ensuring a good user experience and supporting partner campaigns.

Full-time

Japanese?

Remote

Management

Eng Manager

Tech Lead

Lead the Data or Platform team, managing people, processes, incident response, vendors, and product requirements with Product Managers, including scalability and security.

Full-time

Japanese?

Frontend

JavaScript

TypeScript

Next.js

Develop and operate the frontend of the B2C service 'Nico Suma Kaito'. Collaborate with teams to enhance product growth.

Full-time

Japanese?

Backend

Go

Full-stack

Python

Develop and maintain APIs and web front-end services, focusing on scalable and robust solutions.

Full-time

Japanese?

PM

E-commerce

GenAI

Support the product manager for a used-device commerce service, prioritizing development tickets, reviewing customer-facing content, shaping support policies, and eventually planning features and sales initiatives.

Full-time

Japanese?

Backend

E-commerce

Develop and operate products related to data management infrastructure, ensuring data accuracy and efficiency.

Full-time

Japanese?

Backend

E-commerce

REST API

As a software engineer for Belong's main B2C service, you will focus on backend development, leading API integrations and systematizing the buyback infrastructure.

Full-time

Japanese?

Backend

Python

Go

GenAI

Develop APIs for internal and external use, design and manage databases, and collaborate with teams to implement solutions.

Full-time

Japanese?

Data Eng

BigQuery

SQL

GCP

Build and operate data analysis infrastructure to store and analyze data generated from various services using BigQuery.