Software Engineer, LINK Connectors (1 Year Contract)
- Remote OK - Anywhere in Japan
- Contract
- July 14, 2026
Role Description
The LINK Ecosystem connects our data platform to over 2,600 data sources across Japan. Engineers on the LINK Connectors team develop API-based ETL software powering the data aggregation system at the core of the company's fintech platform. We integrate directly with the APIs published by financial institutions as part of Japan's open banking ecosystem, manage the OAuth2 authorizations behind those connections, and deliver clean, consistent financial data through our import pipeline.
Key Responsibilities
- Developing and maintaining API-based ETL pipelines for resilient data aggregation systems
- Adding new financial institutions through their APIs, including OAuth2 authorization and token lifecycle management
- Creating tools to accelerate resolution of data aggregation issues
- Mapping institution API responses to our internal data models
- Collaborating with peers on technical solutions
- Handling customer support requests and implementing system improvements
Required Experience
- Proficiency writing maintainable TypeScript or JavaScript code
- Commitment to technical excellence with openness to peer feedback
- Ability to work independently and collaborate effectively
- Strong English communication skills
- Strong interest in financial products and services
Preferred Experience
- 3+ years experience coding in Ruby, in a hobbyist or professional capacity
- Professional or hobbyist experience building serverless applications on AWS or similar services
- Experience integrating with third-party REST APIs and OAuth2 flows
- Business Japanese proficiency
About Moneytree
Moneytreeは「人々とお金の関係を身近にし、最適な資産運用をサポートすること」をミッションとし、B2Cでは個人資産管理・家計簿アプリ「Moneytree」を提供、B2BではMoneytreeを元に構築された日本最大級の金融系API、金融インフラプラットフォーム「MT LINK」を企業向けに提供しています。
2017年にはオーストラリア市場に進出しています。国際的な環境が整っており、20ヶ国以上出身の外国籍社員が50%、会社全体の約3分の1が女性であり、とてもダイバシティ豊かです。
またフルリモート勤務が可能で、ワークライフバランスを重視したフレキシブルな環境が整っており、とても働きやすい職場です。
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