IT conferences and tech events in Hamburg — the 2026 calendar

TL;DR / Decision. Two weekends in 2026 line up cleanly with Hamburg tech: Jun 26–27 (ITCS festival Fri + CollabDays Sat — back-to-back, both free [1] [2]) and Oct 16–17 (DevFest Hamburg, GDG-run, full Fri–Sat [3]). Hamburg’s flagship developer event is code.talks Nov 4–5 at KINOPOLIS HafenCity (3,500+ devs, 100+ sessions) but it’s mid-week [4]. The biggest broad-tech moment of the year — OMR Festival — already happened May 5–6 (67k visitors, runs again in 2027) [5].

Hamburg’s 2026 tech calendar

Sorted chronologically. Day-of-week is the practical filter for a weekend trip — fields like “Wed–Fri” mean the show runs mid-week with no weekend overlap.

Still ahead in 2026 (post 29 May)

Already passed in 2026 (context — they run again in 2027)

Marquee picks, by what you’d want from a Hamburg weekend

Best weekend-trip overlap → ITCS + CollabDays (Jun 26–27)

The cleanest “tech weekend in Hamburg” answer of 2026. ITCS Hamburg opens Fri Jun 26 at Messe Hamburg from 10:00 — a hybrid IT job fair + tech conference + festival with two stages, 30+ talks, 80+ exhibitors and an after-party from 16:00 with DJ, drinks, table football; admission is free [1]. The next morning, CollabDays Hamburg (Sat Jun 27) is a community-run Microsoft 365 / SharePoint / Power Platform / AI day with international speakers — also free [2]. Two adjacent ecosystems back-to-back; Saturday evening stays open for the Michelin dinner. Note that Product at Heart (single-track product-management conference, AI theme) also runs Fri Jun 26 at Kampnagel [10] — if product is your tribe, that’s the Friday swap.

Best straight-up developer conference → code.talks (Nov 4–5)

Hamburg’s flagship dev event. 100+ curated sessions across 13 tracks (GenAI & LLMs, Architecture, Cloud, Security, Frontend, Product, Data, Culture, Craft, DevEx, Science, Impact, Geek-Out) at the KINOPOLIS HafenCity cinema — talks on cinema screens is the format people remember; 3,500+ devs and CTOs expected [4]. Tickets: Regular €729, Team €659/seat (4+), Executive €1,199; all-in (meals, popcorn, after-party) [4]. Falls Wed–Thu, so a “weekend” version means extending into Sat.

Best for cloud-native / Kubernetes → ContainerDays (Sep 2–4)

Europe’s largest and longest-running container/Kubernetes conference, held at Schuppen 52 — an Imperial-era warehouse on the water with Hamburg-skyline views [12]. 2026 program leans hard into Kubernetes internals, eBPF, network policy, runtime security, multi-cluster architectures, platform engineering economics, and an expanded EU regulatory track [12]. Wed–Fri timing → arrive Tue, conference through Fri, full weekend in Hamburg after.

Best for HPC / AI / quantum research → ISC High Performance (Jun 22–26)

Europe’s leading HPC, AI & Quantum conference + exhibition, at CCH. 3,500+ scientists, researchers and engineers, alongside 200 technology providers; opening keynote by Prof. Martin Schulz on “HPC: A Heterogeneous Future” [9]. Heavy week — tutorials Mon, conference + expo Tue–Thu, workshops Fri. Not a casual weekend visit but the Sat after empties out nicely for a calm dinner.

Best music + tech crossover → Reeperbahn Festival (Sep 16–19)

A four-day music festival across ~70 St. Pauli venues paired with a serious B2B conference for the music + digital industries — MusicTech, EventTech, ticketing, digital audio [14]. 2026 adds a first-ever start-up contest with prizes >€15,000 for music-industry tools (mentoring, 6 months workspace, 3 conference tickets, pitch slot) [20]. Wed–Sat means the festival straddles a full weekend — the strongest tech+culture combo of the year for a Hamburg weekend trip. Note: NEXT Conference, historically Hamburg’s parallel digital-business event during Reeperbahn week, is not running in 2026 due to a strategic realignment [26] — so don’t plan around it.

Best for cybersecurity → Elbsides (Jun 4–5)

Small, community-driven cybersecurity conference at Hotel Hafen Hamburg’s Elbkuppel with harbor views; workshop day Thu Jun 4, conference Fri Jun 5 [7]. 2026 topics emphasized include quantum threats (“harvest now, decrypt later”) and German NIS-2 directive implementation (active national law since Dec 2025) [7]. The Fri date lets the weekend stay free.

Weekend overlap matrix

If your weekend is flexible, rank by how cleanly Fri/Sat lights up.

Year-round community (recurring meetups)

For a shorter visit, or a top-up evening after a conference, these meet predictably:

What is not in Hamburg in 2026

Two events worth ruling out so they don’t muddy a search:

• WeAreDevelopers World Congress — Berlin, Jul 8–10, 15,000+ devs. Big draw, wrong city [25].
• NEXT Conference — historically Hamburg in September during Reeperbahn week; not running in 2026 [26].