Moneytree
2020 ~ 2023
Data Reliability Engineer at Moneytree — Tokyo, Japan (Remote). Jan 2020 – Apr 2023.
Owned the reliability of financial data infrastructure serving millions of users across Japan. Moneytree aggregates financial data from banks, credit cards, and other institutions into a single platform for personal finance and enterprise accounting.
- Owned reliability of financial data aggregation pipelines pulling from 2,000+ financial institutions for 5,000,000+ users.
- Optimized dozens of integrations, reducing monthly running costs by 30%+.
- Built hundreds of monitoring/alerting tools, SQL templates, and SOPs to speed up incident response, coordinating real-time status updates with customer support during outages.
- Debugged and resolved complex scraping failures across web and API-based bank integrations, often reverse-engineering undocumented APIs.
- Collaborated closely with customer support to triage user-reported data issues and prioritize fixes.
Stack: Web and API scraping, API integration, Node.js, TypeScript, AWS, Ruby on Rails, SQL, Redash, Sumo Logic, Atlassian, Slack