06/12/2026 updated

**** ******** ****
60 % partially available

Developer and consultant

Etterbeek, Belgium
Only remote
Master
Etterbeek, Belgium
Only remote
Master

Profile attachments

stefan-sperling-cv.pdf

RustC (Programming Language)HTMLJava (Programming Language)PHPBorder Gateway ProtocolBSD Operating SystemC++ (Programming Language)Cascading Style Sheets (CSS)Concurrent Versions System (Software)Dynamic Host Configuration ProtocolLinuxDomain Name System (DNS)Perl (Programming Language)FreeBSDMake (Software)Hypertext Transfer Protocols (HTTP)Internet Protocol Security (IP SEC)IPv4IPv6Python (Programming Language)LaTeXPostgreSQLLinux KernelMercurialJscriptRoutingOpen Shortest Path FirstOpenVPNShell ScriptSQLiteSQL DatabasesSubversionRust (Programming Language)Dynamic RoutingXml FilesFirewalls (Computer Science)GitOpenwrtIptablesWebDAVOpenBSDGolang
C, C++, Go, Java, Rust, Python, Perl, bourne shell, m4 (autoconf), make, SQL, Forth, TTCN3, LATEX, Version Control, Apache Subversion, Git, Mercurial, Fossil, CVS, Operating systems, Linux (any variant), BSD, HTTP, HTML, CSS, JavaScript, PHP, WebDAV, XML, DHCP, DNS, OSPF, OLSR, BGP, IPv4, IPv6, pf, iptables, IPsec, OpenVPN, OpenWRT, GSM, Osmocom, PostgreSQL, SQLite, Configuration management

Experience

Professional experience10+ years
Freelancer since2015

Languages

GermanNative speakerEnglishNative speakerFrenchGood

Project history

Software Developer at Plakar

Plakar

Internet & IT

10-50 team member

Design and development of integrations for third-party software with the Plakar backup system (https://www.plakar.io)

Software Heritage developer

softwareheritage.org
see CV

Osmocom developer

sysmocom GmbH

Telecommunications

10-50 team member

see CV

OpenBSD support + consulting

see CV

Consulting Apache Subversion

See CV

OpenBSD developer

see CV

Apache Subversion developer

See CV

Developer and consultant at elego Software Solutions GmbH

elego Software Solutions GmbH

Other

10-50 team member


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