Zsolt Paral - Staff Software Engineer at Mollie

Zsolt Paral

Staff Software Engineer at Mollie

's-Hertogenbosch, North Brabant, Netherlands

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Summary

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Zsolt Paral is a Staff Software Engineer with 11 years of experience building and architecting web-based systems, currently driving technical work at Mollie in the Netherlands. He blends hands-on full‑stack development with architectural and project management experience, having moved from maintaining large legacy codebases to leading greenfield initiatives and infrastructure modernization. A practical experimenter at heart, he favors serverless architectures for their productivity gains and is actively exploring machine learning and fintech use cases where software can meaningfully improve complex systems. His open-source contributions include improving type safety and SVG typings in the popular SolidJS UI library and adding algorithm implementations to a collaborative algorithms archive, reflecting attention to developer experience and correctness. Comfortable across frontend and backend stacks (React, Angular, .NET Core, Kotlin) and with containerized infrastructure and security responsibilities, he brings a blend of creativity, operational rigor, and product-focused thinking. Notably, his background in tinkering with physical gadgets informs a pragmatic, iterative approach to designing elegant solutions.

11 years of coding experience

9 years of employment as a software developer

Bachelor's degree Computer Software Engineering, Bachelor's degree Computer Software Engineering at Budapest University of Technology and Economics

Github Skills (27)

javascript10

typescript10

data-structure10

svg10

front-end-development10

typescript-types10

declarative10

computational-geometry10

data-structures10

typescripts10

jsx10

reactn9

assembly9

algorithm9

react-r9

Programming languages (12)

TypeScriptJavaC++CSSRustCSCSSJavaScript

Github contributions (5)

algorithm-archivists/algorithm-archive

Sep 2017 - Oct 2018

A collaborative book on algorithms

Role in this project:

Full-stack Developer

Contributions:21 commits, 38 PRs, 29 pushes in 1 year

Contributions summary:Zsolt contributed to the project by adding examples in Javascript for various algorithms, including Graham Scan, Jarvis March, Huffman Encoding, and the Stable Marriage problem. They fixed syntax highlighting issues related to C and C++ and cleaned up code indentation. Additionally, the user made improvements to tree traversal examples and fixed an example string in a Huffman example.

algorithm-archivejavascriptlanguagesdata-structurescollaborative

solidjs/solid

Dec 2019 - Sep 2020

A declarative, efficient, and flexible JavaScript library for building user interfaces.

Role in this project:

Front-end Developer

Contributions:6 commits, 4 PRs, 2 comments in 9 months

Contributions summary:Zsolt contributed to the project by improving type definitions for context and SVG elements, indicating a focus on enhancing the developer experience and code correctness. They added detailed SVG types to enable better code completion and type safety when working with SVG elements in the codebase. The user also fixed existing type definitions and added a missing attribute, demonstrating a commitment to maintaining the integrity of the project's typing system. These changes likely improve code maintainability and reduce potential errors related to component and SVG attributes.

javascript-librarysolidjsfine-graineddeclarativejavascript

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