Ivan Vaklinov - Team Leader at SEEBURGER AG

Ivan Vaklinov

Team Leader at SEEBURGER AG

Bulgaria

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Summary

👤

Senior

🎓

Top School

Ivan Vaklinov is a seasoned software team leader with 11 years of hands-on experience and over a decade at SEEBURGER AG, delivering B2B integration and EDI solutions across complex projects. He combines deep Java/J2EE, Linux/UNIX and database expertise with practical sub-project and 3rd-level technical support experience, routinely guiding implementations from design to emergency resolution. As a back-end contributor to the open-source mustangproject e-invoicing library, he has worked on XML namespace fixes and added support for multiple European e-invoicing standards (ZUGFeRD, XRechnung, OrderX), reflecting a focus on interoperable transaction formats. A pragmatic leader and M.Sc. in Computer Systems from Technical University of Sofia, he blends solid institutional experience with open-source craftsmanship to solve real-world integration challenges.

11 years of coding experience

M. Sc., Computer Systems, M. Sc., Computer Systems at Technical University of Sofia

Github Skills (7)

xml10

javas10

java10

zugferd10

invoice9

xmp9

pdf9

Programming languages (2)

JavaXSLT

Github contributions (5)

ZUGFeRD/mustangproject

Sep 2014 - Oct 2022

Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)

Role in this project:

Back-end Developer

Contributions:10 commits, 4 PRs, 10 comments in 8 years 2 months

Contributions summary:Ivan primarily contributed to the `mustangproject` repository, an open-source Java library for e-invoicing. Their work focused on fixing namespace issues within the XML/ZUGFeRD standards, adding functionalities to set ZUGFeRD conformance levels, and supporting the attachment of non-ZUGFeRD files. The user also integrated changes related to XRechnung and OrderX, demonstrating a focus on adapting the library for different e-invoicing standards.

factur-xinvoicesmetadata-apimetadatapdf

seeburger-ag/itext

Feb 2021 - May 2023

iText library used by Jasper Reports as of version 2.1.7 modified by JasperSoft

Contributions:10 reviews, 14 PRs, 19 pushes in 2 years 3 months

jaspersoftreportsmodifiedjasperjava

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