Data Stack Conf is a single-day, community-organised technical conference held at the Inter Expo Center in Sofia, Bulgaria, on 13 October 2026. Its 15 scheduled sessions run in two parallel tracks, Core and Chill, from 09:00 to 18:00 and cover databases, streaming, analytics, observability and AI data infrastructure, with a strong PostgreSQL presence. It is built for engineers who design, build and operate data platforms, and it is one of three sister events with Full Stack Conf and AI Stack Conf.
Data Stack Conf is a one-day, in-person conference for engineers who build and operate modern data platforms. The official site describes a focus on databases, streaming systems, analytics platforms, observability stacks and AI data infrastructure, and on how these are designed, deployed and scaled in production. The 2026 edition is held on 13 October 2026 at the Inter Expo Center in Sofia, Bulgaria. It follows the 2025 edition, held on 29 October 2025 at the same venue.
The conference runs on one day, 13 October 2026, with the programme scheduled from 09:00 to 18:00. It takes place at the Inter Expo Center, 7-mi Kilometar, 1784 Sofia, Bulgaria, the venue address given on the official contact page. The official site, the EDB event listing and third-party event listings all give the same date and venue.
Data Stack Conf is run by a community team of three named on the official site: Radoslav Stanoev (founder of PostgreSQL Community Bulgaria and a database SRE tech lead), Nayden Gochev (solution architect and organiser of jPrime and jProfessionals) and Velichka Vodenicharova (data engineer who leads the Bulgarian Data Engineers group). The same three names appear as organisers of Full Stack Conf. No registered company is named on the site. The only published contact is info@datastackconf.com.
Attendance is not publicly disclosed: neither the 2026 site nor the 2025 edition page gives a visitor count. The site describes the audience as platform engineers, SREs and data infrastructure teams, and the organiser's themes point to data engineers, DevOps engineers, SREs and software developers. The roster of 17 named speakers is the only hard evidence of who is in the room (see the company mix entry below).
The date moves from 29 October in 2025 to 13 October in 2026, at the same Inter Expo Center. The programme is now organised into two tracks, Core and Chill, with 15 sessions and a published timetable. The sponsor board has a Silver tier alongside Platinum and Gold; the 2025 page listed Platinum, Gold and Community Partner groups only. CYBERTEC, a community partner in 2025, is a Platinum sponsor in 2026, with two of its engineers speaking. Ticket pricing runs in three tiers: EUR 50, EUR 75 and EUR 100.
The timetable on the official site lists a 09:00 opening, a keynote, and two tracks through the day, with the schedule marked as subject to change.
The official schedule, read on 10 October 2026, names 17 speakers from 10 organisations (published roster):
EDB's own event listing also names Danish Khan, with a talk on CNPG cross-region replication (unverifiable information); he does not appear on the official schedule. The organisers (Radoslav Stanoev, Nayden Gochev, Velichka Vodenicharova) open the conference on the Main Stage.
The schedule labels each session as a talk with Q&A (30 to 45 minutes), a deep dive (45 minutes), a talk with networking, a coffee demo (30 minutes) or a plenary on the Main Stage. The Core track carries talks; the Chill track carries deep dives, a demo and a tech talk. Breaks are shared between tracks (15 minutes, 60 minutes at lunch), and the day ends with a 40-minute closing session of coffee, cocktails and networking.
The official site lists no side events, workshops or satellite meetups. The day itself ends with a networking close (coffee, cocktails, sponsor booths, group photos from 17:20 to 18:00). EDB's event listing says Devrim Gündüz is one of the people running the PostgreSQL community booth. The sister events Full Stack Conf and AI Stack Conf are both listed for 29 October 2026, not the same day.
The official ticket page, read on 10 October 2026, lists three tiers. The Super Early Bird ticket cost EUR 50 until 1 June 2026. The Early Bird ticket cost EUR 75 until 1 September 2026. The Regular ticket costs EUR 100 and is the only tier on sale. Both earlier tiers are marked unavailable. The page does not say whether VAT is included or what the ticket covers. The sister event Full Stack Conf states its EUR 50 price as taxes included, but Data Stack Conf does not.
The official site shows no call for papers and no submission form on 10 October 2026, and the 15-session timetable is already published. An earlier check on 30 June 2026 recorded a call for papers as open. No submission deadline was ever published. Speaker enquiries can go to info@datastackconf.com.
Not publicly disclosed: no sponsorship prospectus, package list or price is published. The site has four partner levels, Platinum, Gold, Silver and Community Partners, and sponsor booths are part of the closing session. The site footer directs sponsor questions to info@datastackconf.com.
The official site lists 11 partners (published roster):
Sponsor tiers are shown as logos with links; company names were read from the link targets and image names. EDB, which supplies a speaker, is not listed as a sponsor on the official site.
The attendee company mix is not publicly disclosed. The speaker mix is known: 4 of the 17 speakers work at SAP, 3 at AWS, 2 at CYBERTEC and 2 at Databricks, which is 11 of 17 from four large vendors or consultancies. The remaining six are from EY, EDB, Barnett Studios, Schwarz Digits, ULPIA TECH and Tradu. AWS and CYBERTEC are also the two Platinum sponsors.
Not publicly disclosed: the site has no press page or accreditation form. The only published contact is info@datastackconf.com, which the site gives for contacts, sponsors and general questions.
None found in the sourced material from independent media. The coverage located is promotional: the EDB event listing, dev.events directory entries, LinkedIn posts by speakers and sponsors, and a ticket giveaway post (five free tickets, winners notified by email on 9 October 2026). No media partner is listed on the official site.
There is no independent press coverage to rate. What exists is promotional: the EDB listing is vendor-authored and the LinkedIn posts come from sponsors and speakers. The factual basis is the organiser's own site, which gives dates, venue, prices and timetable consistently with EDB's listing. No visitor or exhibitor figure has been published, so no figure needs auditing.
Executives looking for data strategy, governance or investor content should skip it: the site describes a practitioner event on production design and operations, with no business or startup track. Engineers who work on data platforms outside PostgreSQL, Oracle, AWS, SAP or Databricks tooling will find fewer sessions aimed at their stack. Speakers who want to pitch now should write to the organisers first, because the site shows no open call for papers.
It is a regional, practitioner event in Sofia, run in autumn alongside two sister events from the same community team: Full Stack Conf (29 October 2026, Inter Expo Center, Sofia) and AI Stack Conf (29 October 2026, venue not stated on its page). Data Stack Conf comes first in the sequence, 16 days earlier, and narrows to the data platform layer. Event listings also place a separate community event, Data Saturday Sofia, on 10 October 2026 at Sofia Tech Park (unverifiable information).
No. The only other edition on record is the 2025 one, held on 29 October 2025 at the Inter Expo Center in Sofia. The organisers describe it on the 2025 edition page as Bulgaria's first event focused entirely on modern data infrastructure; that claim is the organiser's own. Its 2025 page lists 16 sessions and no attendance figure.
Not publicly disclosed: the site states no language policy. The timetable, session titles and speaker biographies are all in English, and the organising team is Bulgarian.
Not publicly disclosed: the site mentions no livestream or hybrid ticket, and the event is presented as in person. For replays, the 2025 edition page shows a "Play" button and a video thumbnail beside each of its 16 sessions, which indicates recordings were published (unverifiable information). No replay policy is published for 2026.
Not publicly disclosed. The site has no refund or terms page: the standard Shopify refund-policy and terms-of-service addresses return a 404, and only a privacy policy is published. Refund questions can go to info@datastackconf.com.
Not publicly disclosed: neither the conference site nor the contact page mentions step-free access, accessibility services or a code of conduct. Attendees with access needs can write to info@datastackconf.com before buying a ticket.
The official contact page gives the address as Inter Expo Center, 7-Mi Kilometar, 1784 Sofia, Bulgaria. Venue listings place the complex at 147 Tsarigradsko shose Blvd, beside a metro station named Inter Expo Center – Tsarigradsko shose, and about 3 km from Sofia Airport (unverifiable information). Venue pages also list city buses and a paid car park, but their route numbers and capacities disagree between sources, so check the Sofia metro operator and the venue before travelling. The organiser publishes no transport or hotel guidance of its own.
It is a one-day, low-cost way for Bulgarian and regional data engineers to hear vendor and practitioner talks on production databases in one room. A regular ticket costs EUR 100, and the cheapest tier was EUR 50. The 17-name roster includes engineers from AWS, SAP, Databricks, EDB and CYBERTEC. The programme leans toward PostgreSQL: four of the 15 session titles name Postgres or PostgreSQL, and the organisers include the founder of PostgreSQL Community Bulgaria. That makes it most useful to teams running Postgres; the Core and Chill split lets an attendee choose between talks and longer deep dives.
The site publishes no attendance number, so nothing about the size of the audience can be checked, and every figure on the page comes from the organisers: prices, session counts and sponsor tiers. Eleven of the 17 speakers work for four companies, and AWS and CYBERTEC are both Platinum sponsors and speakers, so the programme is partly shaped by its backers. The organiser claim that the 2025 edition was Bulgaria's first dedicated data infrastructure event is unaudited. Pricing is clear, but the ticket page does not say whether VAT is included.
Official site: https://datastackconf.com/ (tickets at https://datastackconf.com/collections/tickets, 2025 edition at https://datastackconf.com/pages/data-stack-conf-2025). The only published contact is info@datastackconf.com; the site's own team page names Radoslav Stanoev, Nayden Gochev and Velichka Vodenicharova. Sister events: https://fullstackconf.com/ and https://aistackconf.com/. EDB also maintains an event listing at https://enterprisedb.com/event/data-stack-conf.