Job description

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