Daniel Stenberg

Co-Founder

Stockholm, Stockholm County, Sweden34 yrs 10 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Founder of the widely used curl project
Expert in HTTP implementations for over 25 years
Frequent public speaker in English and Swedish

Stackforce AI infers this person is a leading expert in Open Source Networking technologies.

Contact

Skills

Core Skills

Open SourceNetworkingSoftware DevelopmentEmbedded SystemsSystem Administration

Other Skills

Embedded LinuxLinuxCCurlDebuggingHTTPTestingSoftware EngineeringDevice DriversNetwork ProgrammingUnixAIXServicePerlBash

About

Daniel Stenberg is the founder and lead developer of the curl project. A Swedish internet protocol expert. He is an open source software developer, actively participating in several networking related projects. He has worked on HTTP implementations for over twenty-five years, been involved in the IETF for fifteen years and once worked on the HTTP stack in Firefox for several years at Mozilla. Daniel is the author of the widely read documents "HTTP2 explained", "HTTP/3 explained" and more. Frequent public speaker in English and Swedish.

Experience

34 yrs 10 mos

Total Experience

6 yrs 2 mos

Average Tenure

7 yrs 3 mos

Current Experience

European open source academy (eosa)

President

Feb 2025 – Present · 1 yr 3 mos · Remote

Increase awareness of European Open Source

Wolfssl

curl master

Feb 2019 – Present · 7 yrs 3 mos · Stockholm, Sweden

Commercial curl support and related work on open source network libraries.

Open SourceNetworking

Mozilla

Senior Internet Hacker

Jan 2014 – Dec 2018 · 4 yrs 11 mos · Huddinge

I was there to read, live, parse, debug and develop Firefox network code for Mozilla.

DebuggingHTTPSoftware Development

Enea software ab

Consulting Software Engineer

Oct 2011 – Dec 2013 · 2 yrs 2 mos · Stockholm, Sweden

Enea Linux lead.

Embedded LinuxLinuxNetworkingEmbedded Systems

Intel corporation

Consulting Software Engineer

Sep 2010 – Sep 2011 · 1 yr · Stockholm, Sweden

Worked on the x86 parts of the Wind River Simics simulator. Debugging, polishing and testing.

DebuggingTestingSoftware Development

Wind river

Consulting Software Engineer

Feb 2010 – Jun 2010 · 4 mos · Stockholm, Sweden

Worked on a customer project to among other things optimize, test, debug and verify the Linux kernel with the PREEMPT_RT patch applied on the Freescale P4080DS board.

DebuggingTestingSoftware Development

Cavena image products ab

Consulting Software Engineer

Aug 2009 – Feb 2010 · 6 mos · Stockholm, Sweden

Daniel began as an expert debugger to fix some serious problems in a short time for Cavena's video subtitling product Cimpress, then continued development to sort out and clean up the software and add missing functionality, etc.

DebuggingSoftware Development

Bitsim ab

Consulting Software Engineer

Feb 2009 – Jun 2009 · 4 mos · Stockholm, Sweden

setup, configured and wrote device drivers (USB, serial ports, graphics, etc) for Linux and u-boot

Device DriversLinuxEmbedded Systems

Polystar group

Consulting Software Engineer

Apr 2008 – Feb 2009 · 10 mos · Stockholm, Sweden

Daniel participated in the project that developed a new IP-based platform for network monitoring (Deep Packet Inspection) of 10 Gigabit network traffic.

Network ProgrammingSoftware DevelopmentNetworking

Cag contactor

Software Engineer

Jan 2000 – Sep 2009 · 9 yrs 8 mos · Stockholm, Sweden

software consultant doing programming and general embedded software engineering

Embedded SystemsSoftware Engineering

Haxx ab

Owner, software engineer, consultant, hacker

Oct 1997 – Jan 2014 · 16 yrs 3 mos · Sweden

Working as consultant within embedded systems, Linux, networking and open source.

Embedded SystemsLinuxNetworking

The curl project

Founder and lead developer

Nov 1996 – Present · 29 yrs 6 mos

I started the curl and libcurl project and still am the main author and maintainer of the current development.
curl is the leading portable internet transfer component in the world. Be it free or not. Estimated to run in thirty billion installations.

Embedded LinuxLinuxEmbedded SystemsOpen SourceCCurl+2

Frontec tekniksystem

2 roles

Software Engineer and Consultant

Apr 1996 – Dec 1999 · 3 yrs 8 mos · Stockholm, Sweden

software consultant doing programming and general software engineering

Software EngineeringSoftware Development

Software Developer

Aug 1993 – Apr 1996 · 2 yrs 8 mos · Stockholm, Sweden

Embedded systems and unix development.

Embedded SystemsUnix

Ibm svenska

AIX and RS/6000 installations and service

May 1991 – Jun 1993 · 2 yrs 1 mo · Stockholm, Sweden

I worked with installation, customization, repairing, fixing of IBM RS/6000 machines (AIX based). While on this job, I worked with my team mates in the creation of an automated installation system.

AIXServiceSystem Administration