Backend Development

Pattern-by-pattern translation guide for COBOL constructs to modern Java or .NET equivalents — including the patterns that don't translate.

Claude Code skill that generates adapters, shims, and proxies for incremental coexistence between legacy and new systems.

Standards for PySpark transformations in Bronze/Silver/Gold pipelines: idempotency, partitioning, Delta Lake patterns, and code organization.

Pattern-by-pattern translation guide for RPG IV constructs to modern Java or .NET — including indicators, the cycle, native I/O, and the patterns that should be replaced rather than translated.

Convert business logic embedded in T-SQL stored procedures into testable, observable application services.