This edition has endedNext: GopherCon Europe 2027Jun 14–17, 2027 · Berlin
Developer Tools

GopherCon Europe 2026

This edition has ended

GopherCon Europe 2026 ran Jun 15–18, 2026 at Festsaal Kreuzberg in Berlin, Germany. It is a Developer Tools conference. ConferenceGrid lists 34 speakers, 3 sponsors and 9 sessions. The next edition, GopherCon Europe 2027, is Jun 14–17, 2027 in Berlin.

Last verified Jun 14, 2026

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34Speakers
3Sponsors
9Sessions
8Companies · in total

Speakers

Programmed at GopherCon, in alphabetical order.

Adi Schacham-Shavit
HeyAI Speaker
Ale Kennedy
Event MC
Alex Rios
Principal Engineer · Memed
Amit Yahav
Senior SWE · Cyolo
Anderson Queiroz
Andrea Barisani
Head of Security Engineering
Andy Williams
fyne.io
Anette Haferkorn
Senior Software Engineer · Eye Security
Anthony Alaribe
HeyAI Speaker
Bill Kennedy
Workshop Instructor
Cedrick Namkat
Software Engineer
Daniel Esteban
TinyGo
Daniel Mahlow
Workshop Instructor
Daniel Morsing
Software Engineer
Elad Gavra
Software Engineer · Cyolo
Eliott Bouhana
Software Engineer
Felix Geisendörfer
Gili Kamma
Team Leader
Jesús Espino
Workshop Instructor
Johan Janssens
HeyAI Speaker
Jonathan Amsterdam
Go Team Developer · Google
Mariano Cocirio
HeyAI Speaker

Sponsors

The companies behind the program. Tiers as disclosed.

GoogleDiamond
JetBrainsGold
GeomysSupporting Partner

Agenda

Selected from 9 sessions.

  • 10:00

    Opening Words

    Our MC, Ale Kennedy kicks off two days of talks and will introduce our fantastic line up of speakers.

  • 10:30

    Collections for the Standard Library

    Aside from the built-in slices and maps, Go doesn't have much in the way of container data structures. The ones in the `container` part of the standard library haven't been updated…

  • 11:20

    Go 1.26 Prints Floats Faster: How I Brought Dragonbox to Go

    Dragonbox is a modern float-to-decimal conversion algorithm by Junekey Jeon. I recently ported it from C++ to Go and worked on integrating it into the Go standard library. That wor…

  • 12:00

    Observability-Driven Development: Why 99.9% Uptime Doesn't Mean Your Product Works

    Your users are leaving before you know they had problems. A slow signup flow, a failing payment endpoint, or a broken onboarding step. By the time you hear about it from support t…

  • 14:00

    Green Tea GC: The Insight Behind Go's New Garbage Collector

    Green Tea's insight is elegant: scan spans, not objects. But how do you actually implement that? What data structures track which objects are marked vs. scanned? Why does the owner…

  • 14:40

    Runtime/Secret: Go's New Best-in-Class Zeroization Package

    Zeroization is a procedure where a program erases sensitive information in memory, usually cryptographic keys, hoping to stymie attackers that get access to that memory later. In G…

  • 15:20

    Leak and Seek: A Go Runtime Mystery

    Join us for an in-depth exploration of the Go runtime, where we unravel a real-world memory leak mystery that pushed us deep into the internals of the language. Based on our blog p…

  • 16:30

    How Datadog Reduced the Size of its Agent Binaries by up to 77%

    This talk explains how we managed to reduce the size of the Datadog Agent Go binaries by up to 77%. This first involved carefully investigating the dependencies pulled into each o…

  • 17:10

    The Ghost in the Machine: Orchestrating the Go Netpoller for High-Performance I/O

    Every Go developer takes for granted that they can spin up 100,000 goroutines to handle concurrent network requests without crashing the operating system. But beneath the surface …

Quick answers

When is GopherCon Europe 2026?
GopherCon Europe 2026 ran Jun 15–18, 2026 at Festsaal Kreuzberg in Berlin, Germany. The next edition, GopherCon Europe 2027, is Jun 14–17, 2027 in Berlin.
Where is GopherCon Europe 2026 held?
GopherCon Europe 2026 was held at Festsaal Kreuzberg in Berlin, Germany.
Who is speaking at GopherCon Europe 2026?
ConferenceGrid lists 34 speakers, including Adi Schacham-Shavit (HeyAI Speaker), Ale Kennedy (Event MC) and Alex Rios (Principal Engineer, Memed).
Who sponsors GopherCon Europe 2026?
ConferenceGrid lists 3 sponsors: Google, JetBrains and Geomys.
Company intelligence

What does it mean when 8 companies show up, and 1 bet on three roles at once?

Eight companies. one are betting more than once.

The numbers below are derived from the speakers, sponsors, and exhibitors on this page, cross-referenced into one ledger. They are the only thing here that 10times.com cannot tell you.

Who's in the room
1All threespeak · spons · exh
2Sponsoringsponsor only
5Speakingspeaker only

In all three roles

Google

Speakers by seniority

3% of the speakers carry senior titles: C-suite, Founder, VP, or Director-level.

  • Director / Head of13%
  • Manager / Lead412%
  • Engineer · IC1029%
  • Other roles1956%

Of 34 speakers · classified by free-text title

Most-represented companies
#CompanyRolesSpeakers
1GoogleSponsor · Diamond1
2GeomysSponsor · Supporting Partner-
3JetBrainsSponsor · Gold-
4Cyolo2
5CyberAgent1
6Datadog1
7Eye Security1
8Memed1
Sponsors by tier
diamond1
33% of 3
gold1
33% of 3
supporting partner1
33% of 3
At peer events but not here

These companies sponsored two or more peer events recently, but aren't on this program. For an organizer, that's a list of warm prospects.

Related events · by shared sponsors
ConferenceDateCityShared sponsors
DEVFEST MTL 26November 6, 2026Montreal2
DevFest Douala 2026November 14, 2026Douala2
NG Poland 2026November 17, 2026Warsaw2
JS PolandNovember 18, 2026Warsaw2
AI Poland 2026November 19, 2026Warsaw2
WeAreDevelopers Conference India 2026November 25, 2026Bengaluru2

In the same series

Prior and forthcoming editions