Seokseong Jeon
Founder at Jojo SW
Kazan, Tatarstan, South Korea
Summary
👤
Senior🎓
Top SchoolSeokseong Jeon is a founder and wireless systems engineer with 11 years of experience specializing in RAN software design for LTE, 5G and early 6G research. He spent multiple years at Samsung Electronics as a Staff Engineer driving call-processing design for LTE/5G and now contributes to 6G research while running his startup, Jojo SW. Holding a PhD in Wireless Communication and Mobile Networking from POSTECH, he blends deep protocol-level expertise with practical software delivery. His open-source work spans ANTLR grammar extensions for ASN (including a 3GPP variant) and Korean localization for the popular FreshRSS project, showing both telecom protocol fluency and attention to global user experience. Based in Kazan while originally from South Korea, he brings an international perspective to standards-focused engineering and productization. Colleagues describe him as someone who moves smoothly between formal specification work and hands-on code contributions.
11 years of coding experience
6 years of employment as a software developer
Doctor of Philosophy - PhD Wireless communication and Mobile networking, Doctor of Philosophy - PhD Wireless communication and Mobile networking at Pohang University of Science and Technology
Korean, English
Github Skills (14)
grammar10
anylanguage10
internationalization10
lang10
grammars10
localization10
php10
asn110
translation10
antlr10
regular-expression9
rss8
feed7
fest7
Programming languages (14)
Github contributions (5)
FreshRSS/FreshRSS
May 2017 - Apr 2019
A free, self-hostable news aggregator…
Role in this project:
Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:7 commits, 8 PRs, 17 comments in 1 year 11 months
Contributions summary:Seokseong primarily contributed to the internationalization of the FreshRSS project. Their work involved translating various text strings across different areas of the application, including configuration settings, user interface elements, and administration panels. These translations were specifically for Korean, with the user modifying files related to language-specific configurations and text. The changes aimed to improve the accessibility and user experience for Korean-speaking users.
rssrss-readerphprss-aggregatornews-aggregator
antlr/grammars-v4
Mar 2019 - Jun 2019
Grammars written for ANTLR v4; expectation that the grammars are free of actions.
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 commits, 3 PRs, 2 comments in 3 months
Contributions summary:Seokseong contributed to the grammar definitions for ASN (Abstract Syntax Notation One) within the ANTLR framework. Their commits involved defining ASN grammar elements, including modules, types, and constraints. They fixed existing grammar definitions and added a variant for 3GPP. Furthermore, the user added tags, improved existing syntax, and introduced new elements such as `WITH COMPONENTS` and `BSTRING`.
grammarparser-generatorabstract-syntax-treeexpectationgrammars
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