
Alvaro Olivie developed and maintained core invoicing and tax compliance features for the invopop/gobl and docs.invopop.com repositories, focusing on international e-invoicing standards and robust validation logic. He implemented regional tax regimes, self-billing scenarios, and payment gateway integrations using Go and JSON, while enhancing documentation and onboarding guides in Markdown and YAML. His work included modular refactoring, code generation, and test automation to ensure reliability and maintainability. By aligning with standards like EN16931 and PEPPOL, Alvaro improved billing accuracy, data integrity, and developer experience, delivering well-documented, production-ready solutions that streamlined workflows and supported evolving business requirements.

For 2025-10, delivered targeted features and stability improvements across gobl and docs.invopop.com, with a focus on business value, EN16931 compliance, self-billing capabilities, and documentation quality. Key outcomes include: expanding system capabilities for self-billing credit notes, aligning document type codes for EN16931, strengthening validation logic with accompanying tests, and maintaining documentation quality and release hygiene.
For 2025-10, delivered targeted features and stability improvements across gobl and docs.invopop.com, with a focus on business value, EN16931 compliance, self-billing capabilities, and documentation quality. Key outcomes include: expanding system capabilities for self-billing credit notes, aligning document type codes for EN16931, strengthening validation logic with accompanying tests, and maintaining documentation quality and release hygiene.
September 2025 monthly summary focusing on business value and technical achievements across gobl and docs sites. Delivered enhancements in tax data governance, validation reliability, API surface, and data integrity with clear developer-facing documentation and OpenAPI improvements.
September 2025 monthly summary focusing on business value and technical achievements across gobl and docs sites. Delivered enhancements in tax data governance, validation reliability, API surface, and data integrity with clear developer-facing documentation and OpenAPI improvements.
Concise monthly summary for August 2025 focusing on delivering business value, validated features, and robust tests. Highlights include fund-based invoicing enhancements and despatch/tax validation improvements in gobl, with strong emphasis on reliability, traceability, and compliance.
Concise monthly summary for August 2025 focusing on delivering business value, validated features, and robust tests. Highlights include fund-based invoicing enhancements and despatch/tax validation improvements in gobl, with strong emphasis on reliability, traceability, and compliance.
July 2025 performance summary for gobl and docs.invopop.com. Delivered robust billing and invoicing capabilities, improved currency handling and standards conformance, and advanced documentation for SDI/Chorus Pro workflows. The work emphasizes reliability, test coverage, and alignment with external standards (PEPPOL EN16931), providing clear business value through more accurate billing, better currency consistency across invoices and advances, and streamlined partner-facing documentation. Key outcomes include strengthened billing validation with nil edge-case handling, four-decimal precision normalization for bill line quantities, and currency propagation enhancements that ensure accurate item and advance pricing (EUR handling included). Validation rules were updated to the EN16931 R0X0 standard, reducing validation gaps and aiding compliance. In parallel, go code generation maintenance and changelog/test updates kept the codebase healthy and easier to audit. Documentation improvements for Chorus Pro, SDI workflows, and supplier registration removed outdated references and clarified end-to-end steps for sending documents and generating attachments.
July 2025 performance summary for gobl and docs.invopop.com. Delivered robust billing and invoicing capabilities, improved currency handling and standards conformance, and advanced documentation for SDI/Chorus Pro workflows. The work emphasizes reliability, test coverage, and alignment with external standards (PEPPOL EN16931), providing clear business value through more accurate billing, better currency consistency across invoices and advances, and streamlined partner-facing documentation. Key outcomes include strengthened billing validation with nil edge-case handling, four-decimal precision normalization for bill line quantities, and currency propagation enhancements that ensure accurate item and advance pricing (EUR handling included). Validation rules were updated to the EN16931 R0X0 standard, reducing validation gaps and aiding compliance. In parallel, go code generation maintenance and changelog/test updates kept the codebase healthy and easier to audit. Documentation improvements for Chorus Pro, SDI workflows, and supplier registration removed outdated references and clarified end-to-end steps for sending documents and generating attachments.
June 2025 performance for invopop/gobl and invopop/docs.invopop.com focused on delivering core invoicing enhancements, expanding checkout options, and improving quality/documentation. Key features: ChorusPro addon integration and a new sources module to strengthen ChorusPro invoicing and supplier data flows; online card payment option; architectural improvements by moving extension to party and renaming components; and extensive documentation/workflow updates. Quality and reliability: changelog generation/update, test suite enhancements, and localization improvements (including French). Stability: reverted regime/fr changes where needed and fixed Copilot-related issues to stabilize the baseline. Documentation: comprehensive Chorus Pro invoicing docs overhaul and IT SDI guide updates. Business value: faster time-to-value for partners, broader payment capabilities, clearer customer-facing docs, and improved release hygiene. Technologies/skills demonstrated: modular refactoring, extension architecture redesign, localization/internationalization, test automation, changelog tooling, documentation workflows, and payment integration.
June 2025 performance for invopop/gobl and invopop/docs.invopop.com focused on delivering core invoicing enhancements, expanding checkout options, and improving quality/documentation. Key features: ChorusPro addon integration and a new sources module to strengthen ChorusPro invoicing and supplier data flows; online card payment option; architectural improvements by moving extension to party and renaming components; and extensive documentation/workflow updates. Quality and reliability: changelog generation/update, test suite enhancements, and localization improvements (including French). Stability: reverted regime/fr changes where needed and fixed Copilot-related issues to stabilize the baseline. Documentation: comprehensive Chorus Pro invoicing docs overhaul and IT SDI guide updates. Business value: faster time-to-value for partners, broader payment capabilities, clearer customer-facing docs, and improved release hygiene. Technologies/skills demonstrated: modular refactoring, extension architecture redesign, localization/internationalization, test automation, changelog tooling, documentation workflows, and payment integration.
May 2025 monthly work summary focusing on business value and technical achievements across two repositories. Delivered a targeted combination of documentation improvements, feature delivery, and code quality enhancements to accelerate onboarding, reduce support load, and expand invoicing capabilities.
May 2025 monthly work summary focusing on business value and technical achievements across two repositories. Delivered a targeted combination of documentation improvements, feature delivery, and code quality enhancements to accelerate onboarding, reduce support load, and expand invoicing capabilities.
April 2025 performance summary: Delivered cross-repo features and validation enhancements across documentation, invoicing rules, and regional tax standards, strengthening customer onboarding, compliance, and reliability. Key shifts included improved external integration documentation, expanded regional tax validation, and consolidated rule sets to streamline maintenance and future updates.
April 2025 performance summary: Delivered cross-repo features and validation enhancements across documentation, invoicing rules, and regional tax standards, strengthening customer onboarding, compliance, and reliability. Key shifts included improved external integration documentation, expanded regional tax validation, and consolidated rule sets to streamline maintenance and future updates.
March 2025: Cross-repo delivery focusing on branding consistency, SDI integration guidance, data validation, and billing accuracy. Key outcomes include comprehensive documentation updates, realigned naming across AdE and SDI domains, refreshed examples and changelogs, and improved currency handling and rounding across invoicing workflows. These efforts enhance developer onboarding, enable more reliable integrations, and reduce billing and tax-related errors.
March 2025: Cross-repo delivery focusing on branding consistency, SDI integration guidance, data validation, and billing accuracy. Key outcomes include comprehensive documentation updates, realigned naming across AdE and SDI domains, refreshed examples and changelogs, and improved currency handling and rounding across invoicing workflows. These efforts enhance developer onboarding, enable more reliable integrations, and reduce billing and tax-related errors.
February 2025 focused on expanding international invoicing capabilities and strengthening documentation and tests across gobl and docs.invopop.com. Key features delivered include Italian invoicing groundwork and ADECF expansions, with a focus on compliance-ready templates, validations, and example-driven usage. AdE e-receipt support was added to enable end-to-end Italian e-invoicing workflows in conjunction with pt-saft-v1 integration. Documentation for provider setup (MX SAT and Italy AdE CF) was consolidated to reduce onboarding friction and accelerate feature adoption. Overall, the month delivered a cohesive set of addons, tests, and docs that improve regulatory compliance, interoperability, and developer productivity.
February 2025 focused on expanding international invoicing capabilities and strengthening documentation and tests across gobl and docs.invopop.com. Key features delivered include Italian invoicing groundwork and ADECF expansions, with a focus on compliance-ready templates, validations, and example-driven usage. AdE e-receipt support was added to enable end-to-end Italian e-invoicing workflows in conjunction with pt-saft-v1 integration. Documentation for provider setup (MX SAT and Italy AdE CF) was consolidated to reduce onboarding friction and accelerate feature adoption. Overall, the month delivered a cohesive set of addons, tests, and docs that improve regulatory compliance, interoperability, and developer productivity.
January 2025: Delivered Singapore tax regime (SG) support in GOBL with a solid foundation, including core regime implementation, validation rules, imports, tests, documentation (README), changelog updates, and examples; positioned for production use and future expansions to additional regimes.
January 2025: Delivered Singapore tax regime (SG) support in GOBL with a solid foundation, including core regime implementation, validation rules, imports, tests, documentation (README), changelog updates, and examples; positioned for production use and future expansions to additional regimes.
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