We are looking for a talented Senior Accounting Engineer to join our team in Akihabara, Tokyo, working closely with our Finance team to strengthen real-time financial reporting.
In this role, you will build automated reconciliation and data integration systems connecting our sales and payment platforms, giving the business accurate, real-time visibility into sales performance. You’ll start by automating daily reconciliation between our e-commerce and payment platforms. Later you’ll evolve this into a real-time reporting and dashboards. As our financial reporting capabilities mature, this role has the flexibility to grow into a broader engineering position supporting ongoing projects closely tied to Finance.
A successful candidate is comfortable owning the full lifecycle of financial data, from acquisition and integration through to secure, reliable reporting, and brings a disciplined, detail-oriented approach to handling sensitive financial information. Since this role works closely with our Finance and Accounting stakeholders, strong communication ability in both Japanese and English is essential.
Responsibilities
- Design and build automated reconciliation across sales and payment platforms
- Design and build automated inventory costing and reconciliation across external warehouse reports globally
- Own data acquisition and integration pipelines feeding financial and reporting systems
- Develop next-day reporting of sales, cost of sales and payment metrics, evolving toward a real-time dashboards
- Ensure the security, accuracy, and integrity of financial data across all systems it flows through
- Collaborate directly with Japan-based Finance and Accounting stakeholders to define reporting requirements
- Maintain stability, performance, and quality of reporting pipelines while following team development standards
- Evaluate new feature requests and process improvements based on business impact, making consistent, disciplined decisions
- Participate in code reviews, retrospectives, and individual meetings with internal stakeholders
Requirements
- 5+ years of professional software engineering experience
- Business-level fluency in Japanese, spoken and written
- Strong proficiency with SQL relational databases
- Strong experience designing data models for analytics and reporting
- Strong experience with modern data warehouse platforms (e.g., BigQuery) and ETL/ELT ingestion pipelines
- Strong experience handling and securing sensitive financial data
- Strong verbal and written communication skills
- Programming ability in Python or another general-purpose language, with an understanding of data structures, error handling, logging, and testing.
- Experience with reporting/BI systems (e.g., Tableau, Looker Studio, Metabase, or similar)
- Experience collaborating with cross-functional and international teams
Nice to haves
While not specifically required, tell us if you have any of the following.
- Experience with FREEE and BPA using API is a strong plus
- Experience with payment/e-commerce platforms (e.g., KOMOJU, WooCommerce) is a plus
- Experience with cloud infrastructure (GCP, AWS, or Azure) is a plus
