SmartBank

Consumer Fintech · Personal Finance · Payments · Invoice Factoring

SmartBank is a Japanese fintech company that develops OneBank, formerly B/43. The service combines an AI budgeting app with optional rechargeable Visa prepaid cards. Individuals can track spending and linked accounts, while couples can share a balance and transaction history and parents can monitor spending on junior cards.

The company also buys unpaid invoices from sole proprietors and freelancers through OneBank Invoice Factoring. It earns fees from this service and sells OneBank Plus, a paid membership with expanded account linking, receipt capture and budgeting tools. SmartBank has not publicly disclosed comparable annual revenue.

Most requested
  • SQL 1
  • Japanese posting, level unstated 14
Common areas
  • Product management 4
  • UI/UX design 2
  • Backend engineering 1
  • DevOps 1

Measured from the 14 listings Ranked has live for SmartBank. 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.

14

1

Full-time

Japanese?

Visa maybe

SRE

DevOps

Cloud

Design and build scalable infrastructure for the OneBank product, focusing on reliability and performance.

Full-time

Japanese?

Visa maybe

PM

Fintech

Payments

Lead product management for the OneBank service, focusing on user understanding and complex system integration.

Full-time

Japanese?

Visa maybe

PM

Fintech

The Product Manager will focus on understanding users and their needs through UX research, managing complex requirements, and leading product management teams.

Full-time

Japanese?

Visa maybe

PM

Fintech

Management

Lead the product management of a household management product, focusing on growth and user engagement.

Full-time

Japanese?

Visa maybe

Fintech

Content Mkt

Marketing

Lead PR initiatives to change public perception about money and household management, focusing on product PR.

Full-time

Japanese?

Visa maybe

Compliance

Payments

Fintech

Build and operate SmartBank’s internal audit function, from audit planning and execution to management reporting, improvement recommendations and follow-up, while supporting legal and compliance work.

Full-time

Japanese?

Visa maybe

Product Dsgn

UI/UX

UI Design

Lead Designer responsible for UX and UI design, leading projects, and collaborating with teams to enhance design value.

Full-time

Japanese?

Visa maybe

Marketing

Digital Mkt

Fintech

Responsible for marketing strategies and user acquisition for SmartBank's services, including ad management and performance evaluation.

Full-time

Japanese?

Visa maybe

Eng Manager

Management

Fintech

Manage and enhance the engineering organization, focusing on sustainable scaling and strategic execution.

Full-time

Japanese?

Visa maybe

Security

Cybersec

Payments

Lead product security for a card-payments product, covering vulnerability management, risk reviews, data protection, monitoring, incident response and secure-coding guidance.

Full-time

Japanese?

Visa maybe

Backend

Fintech

Go

Develop and maintain server-side systems for mobile applications, payment systems, and KYC systems.

Full-time

Japanese?

Visa maybe

iOS

Fintech

Android

Develop the OneBank iOS app from problem discovery through design, implementation, testing, release, and measurement, while shaping APIs and app operations with the team.

Full-time

Japanese?

Visa maybe

Fintech

Product Dsgn

Design user experiences and interfaces for products, focusing on usability and communication design.