Tamas Demjen
Staff Software Engineer at Apryse
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolTamas Demjen is a Staff Software Engineer with over two decades of experience specializing in PDF and document image processing, leading Intelligent Document Processing development at Apryse. He architects and maintains multi-language SDKs (C++, C#, Java, Python, PHP, NodeJS) and cross-platform rendering, extraction and forms solutions for Windows, Linux, and macOS. His background includes building robust layout analysis and conversion pipelines that turn untagged, fixed-position PDFs into Word/Excel/HTML, plus low-level raster and OCR systems for high-throughput scanning. Comfortable across C++11, C#, JavaScript and Python, he also brings practical expertise in font technologies, ICC color management and virtual printer drivers—skills that surface in his work on PDF/A and PDF/X outputs. Based in San Jose, he blends deep systems-level engineering with applied computer vision and machine learning study, enabling pragmatic innovations in document semantics and extraction.
10 years of coding experience
22 years of employment as a software developer
Masters of Science, Electrical Engineering, Digital Systems and Instrumentation, Cellular Telecommunication, Masters of Science, Electrical Engineering, Digital Systems and Instrumentation, Cellular Telecommunication at Budapest University of Technology and EconomicsMachine Learning, A+, Machine Learning, A+ at Stanford Continuing Studies
English, Hungarian
Stackoverflow
690reputation
112kreached
17answers
0questions
Github Skills (14)
pdf10
language-bindings10
html-to-pdf10
wkhtmltopdf10
pdf-generation9
html6
language-agnostic6
openscenegraph6
webkit6
visual-studio6
parsing6
winapi6
activex6
cpp4
Programming languages (2)
Github contributions (3)
ApryseSDK/PDFNetWrappers
Apr 2022 - Jan 2023
Code repository for building different language bindings for PDFNetC.
Contributions:6 reviews, 10 commits, 33 PRs in 9 months
code-repositorypdflanguage-bindings
wkhtmltopdf/wkhtmltopdf
Jun 2015 - Jul 2017
Convert HTML to PDF using Webkit (QtWebKit)
Contributions:2 comments, 3 issues in 2 years 2 months
pdfwkhtmltopdfhtml-to-pdfwoff2pdf-generation
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