Joachim Wiberg
Software Architect at Wires AB
Sweden
Summary
🤩
Rockstar🎓
Top SchoolJoachim Wiberg is a seasoned Software Architect with 30 years of experience building and maintaining embedded Linux and networking-focused open source software. Based in Sweden, he has led product- and platform-level work—creating WeOS, co-creating the Infix Network OS, and now shaping architecture at Wires AB—while mentoring junior engineers and handling devops and release responsibilities. His hands-on contributions to notable projects like Buildroot, libnl, OpENer and libnet demonstrate deep C expertise in networking, multicast, and EtherNet/IP stacks as well as practical system integration. Comfortable across low-level packet APIs to init/systemd integration, he blends long-term product ownership with active upstream open-source maintenance. Colleagues know him for pragmatic problem solving and an embedded-first perspective that keeps systems lean, debuggable and production-ready.
29 years of coding experience
19 years of employment as a software developer
Thomasgymnasiet, SträngnäsMaster of Science (M.Sc.), Computer Engineering (real-time systems), Master of Science (M.Sc.), Computer Engineering (real-time systems) at Mälardalen University
Swedish, English
Stackoverflow
573reputation
137kreached
13answers
1question
Github Skills (36)
buildroot10
package-management10
c1110
linux-kernel10
networking10
ethernet10
c1710
sys10
embedded10
ospf10
c-programming9
multicasting9
configuration-management9
multicast9
vlan9
Programming languages (16)
Github contributions (5)
libnet/libnet
Apr 2018 - Jan 2023
A portable framework for low-level network packet construction
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 releases, 9 reviews, 221 commits in 4 years 10 months
Contributions summary:The user, Joachim Nilsson, focused on enhancing the project's OSPF (Open Shortest Path First) support. Their contributions involved implementing a new API for OSPF HELLO messages, incorporating neighbor functionality. The user reduced code duplication by refactoring the OSPF HELLO function to call a new neighbor function. Additionally, they improved the project by adding a member to safely retrieve the hardware address.
mplsarpdot1xsdndns
EIPStackGroup/OpENer
Jun 2022 - Sep 2022
OpENer is an EtherNet/IP stack for I/O adapter devices. It supports multiple I/O and explicit connections and includes objects and services for making EtherNet/IP-compliant products as defined in the ODVA specification.
Role in this project:Back-end Developer
Back-end DeveloperContributions:20 commits, 8 PRs, 10 comments in 2 months
Contributions summary:Joachim primarily contributed to the development of the EtherNet/IP stack (OpENer) for I/O adapter devices. Their work focused on enhancing the stack's capabilities and flexibility, including implementing APIs for runtime configuration of device properties such as VendorId, ProductName, and Run/Idle header settings. They also addressed existing issues and refactored code to support features like multiple input-only connections and improve the reliability of the multicast connection handling. The contributions demonstrate expertise in the CIP protocol and the underlying C code implementation of the stack.
openernetmikocipdefinedethernet-ip
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