Doria Šarić - Software Developer at Helix

Doria Šarić

Software Developer at Helix

Zagreb, Croatia

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Summary

👤

Senior

🎓

Top School

Doria Šarić is a software developer based in Zagreb with 10 years of experience bridging research and product software, currently deepening full-stack web skills at Helix. With a strong academic foundation in computer science and artificial intelligence from University of Zagreb and UPC, she has hands-on research experience in NLP, machine learning, computer vision, and time-series prediction from internships at Fraunhofer ITWM and AVL. At Helix she combines practical engineering with a research mindset, and her open-source contributions include significant back-end enhancements to the high-performance fastexcel library (freeze panes, page setup, headers/footers, color palette, and bug fixes). Comfortable across algorithms, data processing and web stacks, she brings both rigorous mathematical training (combinatorics, graph theory, Fourier analysis) and pragmatic code improvements to production projects. Notably, her work often focuses on making large-file and data workflows more reliable and configurable—an under-the-radar strength for data-heavy applications.

10 years of coding experience

Master's degree Computer Science, Master's degree Computer Science at University of Zagreb / Sveučilište u Zagrebu

UPC Universitat Politècnica de Catalunya

English, German, Croatian, Spanish

Github Skills (6)

javas10

performance-monitor10

performance-analysis10

excel10

java10

api-design9

Programming languages (2)

JavaJupyter Notebook

Github contributions (5)

dhatim/fastexcel

Jul 2020 - Mar 2021

Generate and read big Excel files quickly

Role in this project:

Back-end Developer

Contributions:14 reviews, 52 commits, 14 PRs in 7 months

Contributions summary:Doria primarily contributed to the `fastexcel` library by implementing new features and enhancing existing functionalities. Their work focused on adding features like freeze pane, page setup options (margins, orientation, scaling), and header/footer customization. The user also improved code structure and fixed various issues related to autofilters and named ranges. Moreover, the user expanded the color palette for Excel.

xlsxjavaperformanceexcel

dorssar/fastexcel

Jul 2020 - Apr 2021

Generate and read big Excel files quickly

Contributions:57 pushes, 11 branches in 9 months

xlsxexceldata-import

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