
Over a two-month period, contributed to the etendosoftware/etendo_core repository by developing an event-driven Invoice Discount Guardrail that blocks discounts on invoices once they are processed or posted, enforcing compliance and reducing revenue risk. This feature was implemented in Java with comprehensive unit tests to validate behavior across draft, processed, and posted states. Additionally, addressed a core invoice processing bug by optimizing database queries to prevent full table scans on M_MATCHINV and M_MATCHSI, resulting in improved performance for invoice workflows. Work demonstrated proficiency in backend development, database optimization, and full stack skills, with clear commit documentation and issue tracking throughout.
May 2026: Core invoice processing performance improvement through targeted bug fix in etendo_core. Delivered a critical fix to prevent full table scans during invoice status processing on M_MATCHINV and M_MATCHSI, resulting in reduced database load and faster invoice processing for affected workflows. Commit: a4eca2d96eac057311f2bc7af39c6c320f0bee1b (Issue #1025, ETP-4045).
May 2026: Core invoice processing performance improvement through targeted bug fix in etendo_core. Delivered a critical fix to prevent full table scans during invoice status processing on M_MATCHINV and M_MATCHSI, resulting in reduced database load and faster invoice processing for affected workflows. Commit: a4eca2d96eac057311f2bc7af39c6c320f0bee1b (Issue #1025, ETP-4045).
April 2026 (etendo_core): Implemented an Invoice Discount Guardrail to prevent discounts on invoices that are processed or posted, via a new event-driven handler and comprehensive state-aware unit tests. The change enforces discount policy at the processing/posting stage, reducing revenue risk and ensuring compliant discount application. Associated commit and issue: 4630f030e2b6e8b7a6785b03055dd0198dd0ee28 (Issue #990: Block discounts on processed/posted invoices, ET P-3742).
April 2026 (etendo_core): Implemented an Invoice Discount Guardrail to prevent discounts on invoices that are processed or posted, via a new event-driven handler and comprehensive state-aware unit tests. The change enforces discount policy at the processing/posting stage, reducing revenue risk and ensuring compliant discount application. Associated commit and issue: 4630f030e2b6e8b7a6785b03055dd0198dd0ee28 (Issue #990: Block discounts on processed/posted invoices, ET P-3742).

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