Developer hackathons in Greece 2026 / 2027

Hackathons ✕ Europe ✕ Greece ✕

Asia 4

Africa 0

Europe 1

North America 2

South America 0

Oceania 0

Online 37

Switzerland 1

Best developer hackathons in Greece 2026 / 2027

Best conference Dec 3-4 26

The Principal Dev – Masterclass for Tech Leads

Certification masterclass for experienced software engineers.

Best conference Dec 10-11 26

Clean Architecture Masterclass

Certification masterclass for experienced Java developers.

Online hackathons accessible from Greece:

ends 18 minutes ago Jul 28 - Aug 12 26

Caspian Buildathon: Build agents that can reach anyone

Artificial Intelligence (AI) hackathon Online

ends in 23 hours Jul 27 - Aug 13 26

KeeperHub - Agents Onchain Hackathon

Tech hackathon Online

ends in 1 day Jun 4 - Aug 14 26

Arm Create: AI Optimization Challenge

Artificial Intelligence (AI) hackathon Online

ends in 2 days Jul 4 - Aug 15 26

Flare Summer Signal

Tech hackathon Online

ends in 2 days Jun 12 - Aug 15 26

AceSAT Education AI-Agent

Artificial Intelligence (AI) hackathon Online

ends in 2 days Jul 23 - Aug 15 26

NEXORA Global Hackathon

Machine Learning (ML) hackathon Online

ends in 2 days Jul 25 - Aug 15 26

GatewayGS & The AEI Initiative: AI 4 Earth Hackathon

Artificial Intelligence (AI) hackathon Online

ends in 3 days Jun 18 - Aug 16 26

Build Beyond Hackathon

Tech hackathon Online

ends in 4 days May 19 - Aug 17 26

Build with Gemini XPRIZE

Machine Learning (ML) hackathon Online

ends in 4 days Jul 6 - Aug 17 26

YouCam API Skin AI & Apparel VTO Hackathon

API hackathon Online

ends in 4 days Aug 2-17 26

Reverie Hacks 2026

Machine Learning (ML) hackathon Online

ends in 5 days Jun 30 - Aug 18 26

CockroachDB × AWS Hackathon - Build with Agentic Memory

AWS hackathon Online

ends in 5 days Jul 18 - Aug 18 26

Code Carnage

Machine Learning (ML) hackathon Online

ends in 7 days Jun 21 - Aug 20 26

QuantumHacks

Data / Database hackathon Online

ends in 11 days Jun 18 - Aug 24 26

NeuralSprint

Machine Learning (ML) hackathon Online

ends in 11 days Aug 10-24 26

Delphi: Agent Arena Competition

Artificial Intelligence (AI) hackathon Online

ends in 14 days Jun 17 - Aug 27 26

Africa Deep Tech Challenge 2026

Large Language Model (LLM) hackathon Online

ends in 15 days Aug 4-28 26

Creative Minds Jam #1: Hong Kong

Tech hackathon Online

ends in 17 days Jun 24 - Aug 30 26

DSH Pitch

Tech hackathon Online

ends in 18 days Jul 28 - Aug 31 26

GNSS 4 Disaster Risk Reduction (G4D-RR) Hackathon

Tech hackathon Online

ends in 18 days Aug 4-31 26

WEEX AI Wars II：人类 vs AI

Artificial Intelligence (AI) hackathon Online

ends in 18 days Aug 4-31 26

WEEX AI Wars II: Rise of Intelligence

Artificial Intelligence (AI) hackathon Online

ends in 18 days Aug 4-31 26

Tesseract Hackathon 2026

Machine Learning (ML) hackathon Online

ends in 18 days Aug 1-31 26

Hacksocial 2026

Machine Learning (ML) hackathon Online

ends in 19 days Jun 17 - Sep 1 26

AI YES :International Youth AI Competition

Artificial Intelligence (AI) hackathon Online

ends in 22 days Aug 15 - Sep 4 26

Decentraland Friendzone Mobile Buildathon

Crypto / Blockchain hackathon Online

ends in 23 days May 22 - Sep 5 26

VoltHacks

Hardware / IoT hackathon Online

ends in 24 days Aug 13 - Sep 6 26

BUIDL CTC 2026 Fall - BUIDL For The Real World

Web3 hackathon Online

ends in 25 days Jul 27 - Sep 7 26

Agentic Cinema: The Blockbuster Hackathon

Data / Database hackathon Online

ends in 30 days Jun 14 - Sep 12 26

AnimalHack 2026

Tech hackathon Online

ends in 1 month Jul 23 - Sep 14 26

CALL-E: Your Code Is Calling

Artificial Intelligence (AI) hackathon Online

ends in 1 month Aug 4 - Sep 21 26

Evorozen Apex: NextGen AI Buildathon

Artificial Intelligence (AI) hackathon Online

ends in 1 month Jul 31 - Oct 1 26

RevenueCat Shipaton 2026

Game dev hackathon Online

ends in 2 months Jan 14 - Oct 31 26

MDBA Youth Blockchain Hackathon

Crypto / Blockchain hackathon Online

ends in 2 months Jan 27 - Oct 31 26

BLI Legal Tech Hackathon 2

Crypto / Blockchain hackathon Online

ends in 4 months Feb 27 - Dec 25 26

MCA 2026 projects

Tech hackathon Online

ends in 4 months Jun 4 - Jan 1 26