English summary for screening — check the original posting before applying.
We are developing a successor to the HR management software "Daicho," which has been used by approximately 4,600 social insurance labor and human relations professional offices for over 20 years. This is in-house product development, not contract work, with a 10-year operational outlook.
Must-haves
- Experience in database design and implementation (C#/.NET)
- Experience in migrating data from existing products
- Experience in UI layer implementation (Excel VBA)
- Experience in CSV data integration (input/output)
- Experience in creating design documents
- Experience in code reviews
Nice-to-haves
- Experience with performance optimization for network drive operations
- Experience with exclusive control mechanisms (company-level locking)
- Experience with CSV batch output performance improvements
Tech stack
C#.NET 10Excel VBASQLite (encrypted)JSON
Work style
On-premise distribution