Dániel Derzsi
Software Engineer at Codespring
Mureș, Romania
Summary
🤩
Rockstar🎓
Top SchoolDániel Derzsi is a software engineer with a decade of hands-on experience building secure, backend-focused systems and acting as a direct client liaison. Based in Mureș, Romania, he has delivered serverless solutions on Microsoft Azure and designed blockchain-based, policy-driven digital twin architectures while leading product-focused communication between stakeholders and engineering teams. An active open-source contributor, he implemented ChaCha20-Poly1305 AEAD support for wolfSSL and fixed core engine bugs in the Panda3D game engine, reflecting both security and low-level systems expertise. He pairs a strong academic foundation—ongoing master's studies in computer science—with practical experience shipping production-grade features and improving build systems. Notably, his contributions span cryptographic integration, CMake build enhancements, and memory- and crash-related bug fixes, showing a talent for durable, cross-domain engineering.
10 years of coding experience
Computer Science, Theoretical CS, Computer Science, Theoretical CS at Bolyai Farkas Elméleti LiceumMaster's degree, Computer Science, Master's degree, Computer Science at Sapientia Hungarian University Of Transylvania [EMTE]
Stackoverflow
1reputation
0reached
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0questions
Github Skills (23)
debugging10
panda3d10
debug10
c-language10
tls1210
game-engine10
python10
cross-platform10
c1110
tls1310
c1710
mtls10
cryptography10
libtls10
c-library10
Programming languages (19)
Github contributions (5)
panda3d/panda3d
Apr 2016 - Jan 2023
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 54 commits, 58 PRs in 6 years 9 months
Contributions summary:Dániel primarily focused on bug fixes and improvements to the Panda3D game engine, with a strong emphasis on core engine functionalities. They addressed issues related to sequence crashes, iterable errors, and memory leaks within the direct module. The user also made code adjustments related to distributed systems, file reading, and the graphics system. Further contributions included correcting build issues and adding convenience methods.
pythonc-plus-plusmulti-platformenginepanda3d-game-engine
wolfSSL/wolfssl
Jul 2022 - Aug 2022
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3!
Role in this project:Security Engineer
Security EngineerContributions:5 commits, 5 PRs, 3 comments in 15 days
Contributions summary:Dániel primarily focused on integrating the ChaCha20-Poly1305 cipher into the wolfSSL library's EVP interface. They implemented the cipher's functionality within the existing EVP framework, added tests to verify the integration, and ensured correct behavior during encryption and decryption processes. Furthermore, the user marked ChaCha20-Poly1305 as an AEAD cipher, reflecting its authenticated encryption properties. They also contributed to the CMake build system, adding support for integrating the library with liboqs.
trusted-execution-environmentdata-storageopenssl-apiwolfsslfhe
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