We track 44 organisations in this sector across 6+ countries.
44 entries.
Croatia's largest general technology conference, organised by Bug, with around 100 talks across six parallel tracks. Draws globally successful speakers and a broad developer and tech-leader audience — a good ecosystem pulse for Zagreb-based founders and engineering hires.
Positioned as one of Europe's biggest AI events, with 10,000+ attendees, 200+ speakers, 50 side events across an AI Week, and a 500-builder hackathon. For AI founders and developers it concentrates investors, talent, and enterprise buyers in one week.
A week of free AI events across Belgrade, Novi Sad, and Niš, organised by Startit. The 2025 debut drew 1,000+ attendees across 23 events with 20+ partner organisations — community-driven and explicitly founder and developer-facing.
A community-run technical infosec conference at ISEP Porto — workshops on Friday, then main tracks, villages, an electronic badge, and a Capture-The-Flag on Saturday, with roughly 800 attendees. Valuable for security-minded founders and engineers, and for any startup wanting to plug into Portugal's cybersecurity talent pool.
One of Central Europe's largest polyglot developer festivals, Code Europe 2026 runs as an online live-stream day (14 September) plus an on-site day in Warsaw at Stadion Legii (15 September), with talks across frontend, backend, DevOps, data, and AI. Its festival format and broad developer audience give startups strong employer-branding visibility across the CEE region.
One of Spain's largest community-driven developer conferences, with around 70 talks backed by 40 tech communities spanning web, mobile, cloud, architecture, and AI. Strong fit for technical founders and engineering teams wanting to recruit, learn current practice, and plug into Madrid's developer community.
A festival-style five-in-one tech conference organised by CraftHub, expecting 1,300+ attendees in central Budapest. Combines engineering leadership, AI, product, UX, and data tracks, and runs a dedicated startup programme — useful for founders building product and tech teams.
DefCamp is the largest cybersecurity and hacking conference in Central and Eastern Europe, held at the Palace of the Parliament in Bucharest, with hands-on workshops running November 16-18. The 16th edition features world-class keynotes, live hacking competitions in the Hacking Village, and expert panels on AI threats, supply-chain security, and cloud security. It unites security researchers, professionals, and enthusiasts from across the region for networking and knowledge-sharing.
A developer-focused spin-off of the Data Science Summit covering AI engineering and applied GenAI tooling, with an online day followed by an onsite day at the Copernicus Science Centre. Aimed at engineers and technical founders building AI into their products.
One of France's largest community developer conferences, two days of technical talks and workshops at the H Arena. Strong for developers and dev-tooling founders wanting depth and access to a large French developer audience.
A one-day community developer conference run by the Google Developer Group at the Diagora congress centre in Labège. For developers and technical founders in the Occitanie ecosystem it offers practical talks across cloud, AI, web, and mobile, plus regional networking.
One of Europe's top developer conferences, Devoxx Poland draws 2,700+ attendees to Krakow for three days of deep-dive talks on cloud-native architecture, AI/ML tooling, and Java/Kotlin. The hallway track and job fair make it a prime venue for startups recruiting senior backend and platform engineers from Central Europe's talent pool.
Stockholm's premier developer conference at Kistamässan, with 70+ international speakers across web development, architecture, AI/ML, and cloud.
The 9th Cluj edition at Cluj Innovation Park, expecting 2,500+ developers and 50+ speakers across three stages. A developer-heavy ecosystem and hiring venue in Transylvania's tech capital.
The largest IT conference in Romania, at Romexpo, with 160+ speakers across 14 stages. A major recruiting and ecosystem touchpoint for tech founders hiring or selling dev tooling in Romania.
A single-track, builder-focused AI conference at the Folies Bergère for around 1,500 AI engineers and researchers, with speakers from OpenAI, Anthropic, Google, NVIDIA, and Databricks. Best for technical founders and AI developers who want deep content over expo-floor noise.
The tenth edition of Split's largest student-facing IT conference, organised by the DUMP association of young programmers. Free to attend, with lectures, workshops, and company booths covering entrepreneurship, AI, and software — a useful recruiting touchpoint for founders hiring in Dalmatia.
The main edition of Europe's biggest game-dev conference — 300+ lectures and the CEEGA Awards, co-located with the Poznań Game Arena expo. For gaming founders and studios it is the prime CEE venue for publisher deals, investor meetings, and B2B partnerships.
Long-running JVM and backend conference in Krakow with 50+ expert talks on Java, Scala, Kotlin, microservices, and cloud architecture. Draws ~1,000 senior developers over two days. Strong recruiting ground for startups hiring experienced backend engineers, with a tight-knit community that values deep technical content.
The 9th edition of Vilnius's flagship city hackathon at VILNIUS TECH's LinkMenų fabrikas, a three-day build sprint creating solutions for urban and business challenges. Organised by Sunrise Valley Science & Technology Park with Vilnius universities and Cognizant.
Europe's largest stationary hackathon, returning for its 12th edition at Tauron Arena Kraków on 3-4 October 2026 — a 24-hour build sprint organised by PROIDEA. Teams of 1-6 tackle open challenge categories (Defence, Sport & Healthcare, Smart City, and AI) plus a justCTF capture-the-flag track, with corporate and government challenge partners. A high-signal place to prototype, recruit co-founders, and get in front of challenge-sponsoring organisations.
Heapcon 2026 is the eighth edition of one of Southeast Europe's leading software-engineering conferences, held 5-6 November 2026 at the Madlenianum Opera & Theatre in Belgrade and organised by Heapspace. The 2026 theme, 'Intelligence', examines how AI tooling, autonomous systems, and automation reshape software architecture, security, quality, and product thinking. It gathers 700+ engineers, architects, and tech leaders, making it a strong hiring and technical-ecosystem touchpoint for Serbian startups.
Part of the established fwdays conference series, focused on building and scaling high-load systems and infrastructure, running in a hybrid format with an in-person day in Kyiv plus online streaming. Relevant for technical founders and CTOs scaling engineering systems.
The 14th edition of the long-running Cluj-based IT conference at Cluj Innovation Park, covering software engineering, AI, cloud, and enterprise tech. A durable end-of-year ecosystem event for the Transylvanian tech community.
The largest gathering of Java users in the region, jointly organised by HUJAK and HrOUG on St. Andrew's Island near Rovinj. A multi-day resort-format conference relevant to founders with JVM-heavy stacks and regional enterprise engineering hiring.
Coimbra's flagship developer conference: technical sessions plus a hands-on workshop day across Java, JavaScript and TypeScript, cloud, AI and ML, security, and architecture. For technical founders and engineers who want practical depth and to connect with Portugal's developer community beyond the Lisbon–Porto axis.
The biggest JavaScript conference in CEE, drawing around 1,800 attendees as part of a November cluster with NG Poland and AI Poland. For technical founders and frontend or full-stack teams it is a high-density venue for engineering talent and dev-tooling exposure.
Billed as the biggest Kubernetes and cloud-native event ever held in Portugal — two days of keynotes, technical talks, and a sponsor expo at SuperBock Arena, run together with DevOps Days Portugal. For infrastructure-heavy startups and platform or DevOps engineers wanting deep cloud-native content and hiring reach in northern Portugal.
LeadDev's London conference for engineering leaders, with 2,500+ attendees across three stages on leading teams, building systems, and industry shifts. For technical founders and engineering leaders it is the strongest UK venue for engineering-leadership depth and peer networking.
Billed as the UK's largest open tech festival — a decentralised, mostly free two-week programme of hundreds of community-run events. For a Yorkshire founder or developer it is an accessible way to run or attend sessions, build a local network, and recruit without a big ticket cost.
A builder-focused AI conference at the Champalimaud Centre, capped at around 400 engineers and researchers actively shipping models in production. For technical AI founders and ML engineers who want substance over marketing, with direct access to top labs and founding teams.
NDC's software conference focused on embedded and systems programming at Magazinet Kongsberg — a specialist technical conference for engineers building real-world embedded products.
The largest IT conference in Slovenia, in its 31st edition on the Adriatic coast, bringing together technology professionals, business leaders, and educators. A broad ecosystem event useful for Slovenian founders' networking and hiring.
One of Poland's largest community cybersecurity conferences, returning for its 8th edition at the PGE Narodowy stadium. For security founders, pentesters, and infrastructure engineers it offers a large practitioner audience and a strong recruiting and networking surface in the Polish infosec scene.
Øredev is one of Europe's premier developer conferences, held annually in Malmö since 2005 and celebrating its 20th edition in 2026. The three-day program spans the whole software development process, including backend, frontend, AI, architecture, security, and team culture, drawing developers, architects, and tech leads from across the Nordics. A strong hiring and learning venue for engineering-heavy startups in the Öresund region.
PyCon Greece 2026 is the annual Greek Python community conference at Technopolis City of Athens, run by volunteers under PyGreece. It gathers developers, data scientists and Python enthusiasts for talks and networking across web development, data science, machine learning and AI.
A two-day developer and product conference in Montpellier in its 7th edition, with around 85 sessions across five tracks. Aimed at developers, product people, and designers — a solid mid-sized event for technical founders building in the south of France.
A 48-hour fintech hackathon, backed by the Swiss State Secretariat for International Finance and powered by Tenity, where students and professionals team with industry partners on real financial-sector challenges; in 2026 it anchors the inaugural Swiss FinTech Week. A fast route for developers and early founders to industry mentors, APIs, and pilot opportunities.
An enterprise-tech mega-event at Porte de Versailles bundling five co-located shows covering cloud and AI infrastructure, DevOps, cloud and cyber security, data and AI leadership, and data centres. For infrastructure, devtools, and security startups it is a single badge to reach enterprise IT buyers across the whole stack.
A non-commercial community developer conference at Clarion Hotel Trondheim, with surplus funds reinvested into regional tech initiatives. A strong local IT-community gathering.
The largest .NET developer conference in the Czech Republic, held at the Clarion Congress Hotel Prague. Relevant for dev-tooling and B2B software founders recruiting engineers and reaching the Czech developer community.
A two-day tech and careers summit in central Vienna connecting developers, tech companies, and startups, with a job fair, talks, and networking. Useful for founders building engineering teams in the DACH region.
Monthly JavaScript meetup in Warsaw featuring high-quality technical talks on React, Node.js, and web performance from experienced engineers. Draws 100+ developers per session and offers strong recruiting and community presence. Valuable for startups hiring frontend and full-stack engineers in the Polish developer market.
Hands-on web development conference organised by Croatian agency Netgen since 2012, held at the five-star Hotel Ambasador in Opatija on the Adriatic coast. Across three days (2-4 July 2026) it runs interactive workshops, small-group discussions and networking across six specialised tracks, including JavaScript for Developers and a Digital Change track, aimed at developers, designers, project managers and founders.