Claes Wikstrom
Software Engineer And Co-founder at Avassa Systems
Stockholm, Stockholm County, Sweden
Summary
🤩
Rockstar🎓
Top SchoolClaes Wikstrom is a seasoned software engineer and co-founder with 11+ years of professional experience and a deep focus on networking software, Erlang, and Linux. He has built and led engineering efforts across startups and large vendors—co-founding Avassa Systems, contributing at Cisco as a Principal Engineer, and founding Tail-f where he combined product and hands-on development. His background spans telecom and systems research from Ericsson and Nortel to practical startup hacking, including early work that supported payment systems at TeknikErl for Kreditor/Klarna. Claes pairs a strong mathematical foundation (BSc/MSc-level studies in mathematics) with decades of low-level systems and network protocol expertise. He’s comfortable moving between architecture, core implementation and operational realities, often preferring pragmatic, reliable solutions over academic elegance. Based in Stockholm, he brings entrepreneurial instincts and a proven track record of turning complex networking challenges into production-grade software.
11 years of coding experience
26 years of employment as a software developer
Master's degree, Mathematics, Master's degree, Mathematics at University of StockholmBachelor of Science (BSc), Math, Bachelor of Science (BSc), Math at Stockholm University
Github Skills (16)
erlang10
gleam9
yang9
webserver9
golang8
beam8
java8
elixir8
netconf7
quic7
testing6
test-automation-framework4
selenium4
automation3
test-automation3
Programming languages (2)
Github contributions (5)
klacke/xeno-canto-country-collector
Nov 2015 - Jul 2019
Contributions:5 pushes, 1 branch in 3 years 8 months
klacke/quic
Oct 2022 - Mar 2023
QUIC protocol for Erlang & Elixir
Contributions:17 pushes, 9 branches in 4 months
protocolquicerlangelixir
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