
Anderson Pereira developed and maintained complex data integration and tax compliance features for the totvs/winthor-smart-hub-layouts repository over nine months. He engineered robust backend flows for pricing, payment, and tax data synchronization, leveraging JSON and SQL for configuration management, data mapping, and transformation. Anderson’s work included implementing batch processing, region-based pricing, and branch-specific tax calculations, as well as resolving data integrity and type conversion issues. By enhancing API integration and ensuring reliable data propagation across systems, he improved regulatory compliance and reporting accuracy. His contributions demonstrated depth in backend development and a strong focus on data quality and maintainability.
February 2026 monthly summary for totvs/winthor-smart-hub-layouts focused on data quality improvements in the packaging workflow. Implemented a Data Integrity Fix to convert the 'situacao' field to an integer during product packaging updates, addressing a data type error and ensuring consistent downstream processing. Change linked to issue DDWMISSI-3905 and committed as 1855c33a83cfa1639be1346c06ea0dd8f8f4759f.
February 2026 monthly summary for totvs/winthor-smart-hub-layouts focused on data quality improvements in the packaging workflow. Implemented a Data Integrity Fix to convert the 'situacao' field to an integer during product packaging updates, addressing a data type error and ensuring consistent downstream processing. Change linked to issue DDWMISSI-3905 and committed as 1855c33a83cfa1639be1346c06ea0dd8f8f4759f.
January 2026 focused on strengthening PDV Omni tax handling and ensuring accurate tax data propagation across Omni POS flows. Delivered targeted configuration enhancements and an adapter-level fix that improves CST/CFOP exception handling and data integrity in the PDV OMNI integration, enabling more reliable tax calculations and smoother reconciliation.
January 2026 focused on strengthening PDV Omni tax handling and ensuring accurate tax data propagation across Omni POS flows. Delivered targeted configuration enhancements and an adapter-level fix that improves CST/CFOP exception handling and data integrity in the PDV OMNI integration, enabling more reliable tax calculations and smoother reconciliation.
December 2025: Delivered two key features for totvs/winthor-smart-hub-layouts focused on tax calculation accuracy and data integrity. Implemented branch-specific NCM code export and enhanced tax estimate configuration with explicit source metadata. No major bugs fixed this month. Overall impact includes improved tax accuracy, better branch-level reporting, and stronger compliance transparency.
December 2025: Delivered two key features for totvs/winthor-smart-hub-layouts focused on tax calculation accuracy and data integrity. Implemented branch-specific NCM code export and enhanced tax estimate configuration with explicit source metadata. No major bugs fixed this month. Overall impact includes improved tax accuracy, better branch-level reporting, and stronger compliance transparency.
October 2025 monthly summary for totvs/winthor-smart-hub-layouts focusing on key accomplishments, major bug fixes, and business impact. Highlight: Payment Methods Identifier Enrichment implemented to standardize and enrich payment method data by composing idRetaguarda from idRetaguardaFormaPagto and idRetaguardaCondicaoPagto to create a unique identifier, enabling reliable reconciliation and analytics. Commit tracked: 5600eb708cfbc89fc4231ab23765dd512f420285 (DDWMISSI-2899).
October 2025 monthly summary for totvs/winthor-smart-hub-layouts focusing on key accomplishments, major bug fixes, and business impact. Highlight: Payment Methods Identifier Enrichment implemented to standardize and enrich payment method data by composing idRetaguarda from idRetaguardaFormaPagto and idRetaguardaCondicaoPagto to create a unique identifier, enabling reliable reconciliation and analytics. Commit tracked: 5600eb708cfbc89fc4231ab23765dd512f420285 (DDWMISSI-2899).
In Sep 2025, contributed to the reliability of tax data processing in totvs/winthor-smart-hub-layouts by fixing the JSON mapping for the 'padrao' field and removing an incorrect overwrite, preventing tax-related exceptions and ensuring proper handling of tax data. This work reduced tax submission failures and improved data quality across tax workflows. Implemented via commit 27be9fd37fe6b34d067809ae06e10ceffdf92d1a (DDWMISSI-2809).
In Sep 2025, contributed to the reliability of tax data processing in totvs/winthor-smart-hub-layouts by fixing the JSON mapping for the 'padrao' field and removing an incorrect overwrite, preventing tax-related exceptions and ensuring proper handling of tax data. This work reduced tax submission failures and improved data quality across tax workflows. Implemented via commit 27be9fd37fe6b34d067809ae06e10ceffdf92d1a (DDWMISSI-2809).
August 2025 performance summary for totvs/winthor-smart-hub-layouts. Delivered tax reform capabilities and data integrity improvements across the adapter suite, aligning with Reforma Tributária requirements and strengthening data quality for tax calculations. Achievements include configuration overhaul, IBGE code integration, and active-status synchronization, plus routing fixes that ensure reliable backend processing and transformed data fidelity.
August 2025 performance summary for totvs/winthor-smart-hub-layouts. Delivered tax reform capabilities and data integrity improvements across the adapter suite, aligning with Reforma Tributária requirements and strengthening data quality for tax calculations. Achievements include configuration overhaul, IBGE code integration, and active-status synchronization, plus routing fixes that ensure reliable backend processing and transformed data fidelity.
July 2025: Key updates in totvs/winthor-smart-hub-layouts focused on tax compliance, batch processing, and data integrity. Delivered batch/lot support in the PDVSYNC sales data path to enable batch-level processing and routing. Added tax data fields (CBS, IBS, IS) to sales upload configuration for accurate tax mapping. Implemented Tax Reform integration with URL parameter mapping, Lot 101 support, and CBSIBS tax transformation improvements. Introduced NCM and Product exceptions integration flows in PDVSYNC. Resolved a bug in the WTA tax layout by correcting the LAST_CHANGE parameter name. These changes increase data accuracy, regulatory compliance, and processing scalability, delivering measurable business value through streamlined tax reporting and reliable batch processing.
July 2025: Key updates in totvs/winthor-smart-hub-layouts focused on tax compliance, batch processing, and data integrity. Delivered batch/lot support in the PDVSYNC sales data path to enable batch-level processing and routing. Added tax data fields (CBS, IBS, IS) to sales upload configuration for accurate tax mapping. Implemented Tax Reform integration with URL parameter mapping, Lot 101 support, and CBSIBS tax transformation improvements. Introduced NCM and Product exceptions integration flows in PDVSYNC. Resolved a bug in the WTA tax layout by correcting the LAST_CHANGE parameter name. These changes increase data accuracy, regulatory compliance, and processing scalability, delivering measurable business value through streamlined tax reporting and reliable batch processing.
November 2024: Delivered cross-system pricing and payment data synchronization for the WinThor Hub layouts repo, with targeted UI robustness improvements. Key features delivered: (1) Preco Embalagem synchronization between WTA and PDVSYNC, establishing a new integration flow with login, price fetch, temporary variable management, and data sending; routing and variable setup included. (2) Payment data enhancements, including consumer data in collection responses and alignment of plpag fields with the Sync contract. (3) WTA Buscar Clientes data synchronization field mapping improvements to match backend expectations. (4) Default Region value fix for Buscar Preco Fixo layout to ensure region data is always provided. Major bug fix: ensured a default region is always set, reducing UI gaps and data omissions. Business impact: enhanced data accuracy and timeliness across pricing, payments, and client data flows; lower manual reconciliation and faster downstream processing; improved contract adherence. Technologies/skills demonstrated: API integration, data synchronization patterns, field mapping and routing, variable management, UI robustness, and alignment with Sync contracts across multiple services.
November 2024: Delivered cross-system pricing and payment data synchronization for the WinThor Hub layouts repo, with targeted UI robustness improvements. Key features delivered: (1) Preco Embalagem synchronization between WTA and PDVSYNC, establishing a new integration flow with login, price fetch, temporary variable management, and data sending; routing and variable setup included. (2) Payment data enhancements, including consumer data in collection responses and alignment of plpag fields with the Sync contract. (3) WTA Buscar Clientes data synchronization field mapping improvements to match backend expectations. (4) Default Region value fix for Buscar Preco Fixo layout to ensure region data is always provided. Major bug fix: ensured a default region is always set, reducing UI gaps and data omissions. Business impact: enhanced data accuracy and timeliness across pricing, payments, and client data flows; lower manual reconciliation and faster downstream processing; improved contract adherence. Technologies/skills demonstrated: API integration, data synchronization patterns, field mapping and routing, variable management, UI robustness, and alignment with Sync contracts across multiple services.
October 2024: Delivered the Region Price Integration Flow (Preco Regiao) in PDVSYNC for totvs/winthor-smart-hub-layouts, enabling cross-system region pricing data synchronization. Implemented login, price fetching, and data sending steps, with routes and variables configured to support region pricing flows. Work linked to DDWMISSI-894 (commit 766fa0a6641cae094209e25f66b6f82f9489f9d4).
October 2024: Delivered the Region Price Integration Flow (Preco Regiao) in PDVSYNC for totvs/winthor-smart-hub-layouts, enabling cross-system region pricing data synchronization. Implemented login, price fetching, and data sending steps, with routes and variables configured to support region pricing flows. Work linked to DDWMISSI-894 (commit 766fa0a6641cae094209e25f66b6f82f9489f9d4).

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