This edition has endedNext: DevFest 2026Nov 7, 2026 · Ourense
Developer Tools

DevFest 2025

This edition has ended

DevFest 2025 ran on Oct 11, 2025 at Πανεπιστήμιο Μακεδονίας, Amphitheater 14 in Thessaloniki, Greece. It is a Developer Tools conference. ConferenceGrid lists 8 speakers, 12 sponsors and 9 exhibitors. The next edition, DevFest 2026, is Nov 7, 2026 in Ourense.

Lineup updated May 24, 2026 · dates verified May 6, 2026

DevFest 2025 is an annual technology event hosted by GDG Cloud Thessaloniki, gathering developers, coding enthusiasts, and tech community members for a day of learning, networking, and inspiration. The event features workshops on cutting-edge technologies, talks from renowned speakers in fields such as AI, cloud, and app development, and plenty of opportunit…

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8Speakers
12Sponsors
9Exhibitors
0Sessions
17Companies · in total

Speakers

Programmed at DevFest, in alphabetical order.

Adi Mazor Kario
GDE in ML & Gen AI, Google for Startups Accelerator Mentor, Product Innovation & Value Creation Expert
Andre Sara
Google Cloud Certified Fellow and Google Developer Expert in Google Cloud and AI · DXC Technology
Dr Roushanak Rahmat
Google Developer Expert, Lead Data Science Consultant - AI, Automation and Analytics · IBM
Gabriel Preda
Principal Data Scientist / Kaggle GDE · Endava
Hannah Olukoye
Engineering Manager and Senior Software Engineer
Nicola Guglielmi
GDE Cloud • Google Cloud Architect • Google Cloud Authorized Trainer • Team Manager • GDG Community Lead · EIES Group
Önder Ceylan
Google Developer Expert
Tom Colvin
Google Developer Expert • Chief Technology Officer · Apptaura

Sponsors

The companies behind the program. Tiers as disclosed.

BUUDU TV
CAFFE MONFORTE
Certify Magic
cityportal
Faso Numérique
Galileo Galilei Institute of European Languages
JetBrains
ONLYOFFICE
ONOMA Hotel
Sessionize
επιχειρώ
ΝΥΜΦΗ

Quick answers

When is DevFest 2025?
DevFest 2025 ran on Oct 11, 2025 at Πανεπιστήμιο Μακεδονίας, Amphitheater 14 in Thessaloniki, Greece. The next edition, DevFest 2026, is Nov 7, 2026 in Ourense.
Where is DevFest 2025 held?
DevFest 2025 was held at Πανεπιστήμιο Μακεδονίας, Amphitheater 14 in Thessaloniki, Greece.
Who is speaking at DevFest 2025?
ConferenceGrid lists 8 speakers, including Adi Mazor Kario (GDE in ML & Gen AI, Google for Startups Accelerator Mentor, Product Innovation & Value Creation Expert), Andre Sara (Google Cloud Certified Fellow and Google Developer Expert in Google Cloud and AI, DXC Technology) and Dr Roushanak Rahmat (Google Developer Expert, Lead Data Science Consultant - AI, Automation and Analytics, IBM).
Who sponsors DevFest 2025?
ConferenceGrid lists 12 sponsors, including BUUDU TV, CAFFE MONFORTE, Certify Magic, cityportal and Faso Numérique.
Company intelligence

What does it mean when 17 companies show up, and 9 bet on three roles at once?

Seventeen companies. nine 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
9All threespeak · spons · exh
3Sponsoringsponsor only
0Exhibitingexhibitor only
5Speakingspeaker only

In all three roles

CAFFE MONFORTE·cityportal·Galileo Galilei Institute of European Languages·JetBrains·ONLYOFFICE·ONOMA Hotel·Sessionize·επιχειρώ·ΝΥΜΦΗ

Speakers by seniority

13% of the speakers carry senior titles: C-suite, Founder, VP, or Director-level.

  • C-suite113%
  • Manager / Lead338%
  • Engineer · IC225%
  • Research / Science113%
  • Advisor / Investor113%

Of 8 speakers · classified by free-text title

Most-represented companies
#CompanyRolesSpeakers
1CAFFE MONFORTESponsorExhibitor-
2cityportalSponsorExhibitor-
3Galileo Galilei Institute of European LanguagesSponsorExhibitor-
4JetBrainsSponsorExhibitor-
5ONLYOFFICESponsorExhibitor-
6ONOMA HotelSponsorExhibitor-
7SessionizeSponsorExhibitor-
8επιχειρώSponsorExhibitor-
9ΝΥΜΦΗSponsorExhibitor-
10BUUDU TVSponsor-
11Certify MagicSponsor-
12Faso NumériqueSponsor-
13Apptaura1
14DXC Technology1
Sponsors by tier
unspecified12
100% of 12
Related events · by shared sponsors
ConferenceDateCityShared sponsors
JCON EUROPE 2027April 26, 2027Cologne2

In the same series

Prior and forthcoming editions