Jonas Falkevik
PSIRT Manager at MobileArts AB
Greater Uppsala Metropolitan Area Sweden
Summary
👤
Senior🎓
Top SchoolJonas Falkevik is a seasoned telecommunications software engineer and PSIRT manager with 16 years of experience designing and securing complex mobile-network systems. Based in Greater Uppsala, he combines deep protocol expertise (LTE, UMTS, SS7, TCP/IP) with hands-on engineering in Erlang and systems-level debugging. At MobileArts he progressed from software designer to senior engineer and now leads product security incident response, blending coding fluency with operational security ownership. An active contributor to Wireshark, he has improved protocol dissectors and packet-processing logic—work that directly enhances network visibility for operators and researchers. His background as an Ericsson team leader and a Uppsala University master’s graduate underscores a pragmatic approach to solving intricate signaling and protocol challenges.
16 years of coding experience
2 years of employment as a software developer
masters, computers, masters, computers at Uppsala University
Github Skills (12)
c1710
tshark10
c1110
packet-capture10
wireshark10
network-protocol9
dia9
protocols9
algorithms8
data-structures8
data-structure8
vlan7
Programming languages (7)
Github contributions (5)
wireshark/wireshark
Jan 2016 - Apr 2022
Read-only mirror of Wireshark's Git repository at https://gitlab.com/wireshark/wireshark. ⚠️ GitHub won't let us disable pull requests. ⚠️ THEY WILL BE IGNORED HERE ⚠️ Upload them at GitLab instead.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits in 6 years 4 months
Contributions summary:Jonas contributed to the Wireshark project by implementing new features and fixing bugs related to packet analysis and manipulation. Their work involved adding flags for removing VLAN information and setting unused bytes in SLL headers, improving duplicate packet detection. They also worked on decoding and dissector improvements for specific protocols, including Diameter and LCSAP, and refactoring code for better reusability. This suggests a focus on enhancing Wireshark's core functionality and its ability to interpret network traffic.
tsharkgit-repositorywiresharkpacket-capturegitlab
pundunlabs/erl_rocksdb
May 2017 - Jan 2023
Erlang bindings for rocksdb database. Used by pundunlabs/enterdb
Contributions:54 commits, 7 PRs, 41 pushes in 5 years 9 months
erlangdatabaserocksdb
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