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Katllen Sirotenco

PROFILE

Katllen Sirotenco

Katsiaryna Sirotenco developed and maintained municipal electronic invoicing features for the Unimake/DFe repository, focusing on backend integration and configuration-driven processing. She expanded support for multiple municipalities by implementing XML schema validation, SOAP-based service integrations, and protocol enhancements using C# and .NET. Her work included serialization and deserialization of fiscal documents, robust unit testing, and the introduction of repeatable patterns for onboarding new regions. By aligning configurations with evolving tax compliance standards and refining XML processing, Katsiaryna improved production readiness and interoperability. The depth of her contributions ensured reliable, scalable onboarding and maintainable code for complex fiscal system requirements.

Overall Statistics

Feature vs Bugs

61%Features

Repository Contributions

53Total
Bugs
9
Commits
53
Features
14
Lines of code
11,689
Activity Months5

Work History

April 2025

9 Commits • 4 Features

Apr 1, 2025

April 2025 — Unimake/DFe: Delivered multi-standard municipal processing capabilities and strengthened test data validation across WEBISS, THEMA, E&L, and QUASAR. No major defects reported; focus was on feature delivery, schema integration, and test resources across four municipalities to enable faster onboarding and production readiness.

March 2025

3 Commits • 2 Features

Mar 1, 2025

2025-03 monthly summary for Unimake/DFe focused on NFSe feature delivery and municipality-specific configuration standardization to enable scalable onboarding and compliant processing across municipalities.

February 2025

26 Commits • 4 Features

Feb 1, 2025

February 2025 Monthly Summary for Unimake/DFe: Delivered and hardened NFSe workflow capabilities with expanded municipal coverage, along with rigorous SOAP/XML/signature compatibility fixes. Key features include NFCom status and consultation services with unit tests, and Aracaju - SE WEBISS integration. Also delivered Marcolândia - PI (Padrão Fiorilli) support. Significant bug fixes stabilized SubstituirNFSe and related services, signature tagging for RecepcionarLoteRps and CancelarNfse, and XML/SOAP refinements across Vitória - ES and NFCom services. Emphasis on business value, reliability, and maintainability through tests and schema-driven adjustments.

January 2025

5 Commits • 2 Features

Jan 1, 2025

January 2025 (2025-01) monthly summary for Unimake/DFe. Highlights: - NFSe municipality support for Vitória-ES and São Joaquim da Barra-SP added (new municipality enums and XML/configs). - NFCom service status handling implemented with ConsStatServ/RetConsStatServ serialization/deserialization, unit tests, and updates to NFCom XML structures and enums. - Build stability and maintainability improvements, including Visual Studio conflict resolution and refactors for NFCom/NFSe handling. Impact: expanded NFSe coverage, more robust service-status checks, higher reliability for new municipalities and future integrations. Technologies/skills demonstrated: C#/.NET, XML schemas, enums, serialization/deserialization, unit testing, and configuration-driven processing.

November 2024

10 Commits • 2 Features

Nov 1, 2024

November 2024 monthly summary for Unimake/DFe. Delivered critical NF3e protocol enhancements, extended municipal configuration support, and WSDL alignment to SMARAPD, delivering tangible business value by expanding tax document interoperability, regional coverage, and production readiness. Key work included core serialization/deserialization for NF3e, status and receipt query support, and service status responses with ISO 8601 formatting; added Lontras - SC IPM configuration for Lontras municipality; updated Cariacica - ES WSDL to SMARAPD standard to ensure correct endpoints. All changes accompanied by updated tests and documentation.

Activity

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Quality Metrics

Correctness88.8%
Maintainability89.0%
Architecture85.0%
Performance82.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

C#CSJavaN/APRGPythonXML

Technical Skills

.NET Fiscal Systems.NET DevelopmentAPI DevelopmentAPI IntegrationAPI Integration TestingBackend DevelopmentBusiness LogicC# DevelopmentClass DesignConfiguration ManagementDFeDFe IntegrationDFe Protocol ImplementationData Integration

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

Unimake/DFe

Nov 2024 Apr 2025
5 Months active

Languages Used

C#XMLCSPRGJavaN/APython

Technical Skills

API DevelopmentAPI IntegrationBackend DevelopmentBusiness LogicC# DevelopmentClass Design