Pavel Osadchuk (xakpc)

Staff / Principal .NET Engineer | C#, ASP.NET Core, Distributed Systems, Azure/AWS | Still got some Hackathons energy left

South Korea
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GitHub
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RevenueCat Shipaton 2026

Online

Ship apps and start making money.

$685,000 in prizes
Oct 01, 2026 02:45 AM EDT to submit
15767 participants

OpenAI Open Model Hackathon

Online

Build with gpt-oss, OpenAI’s open weight reasoning models.

$30,000 in prizes
Winners announced
8639 participants

Turn Language into Action: A Natural Language Hackathon for Good

Online

Create or enhance an existing web application with the purpose of highlighting or enabling ways to improve the world using deep Natural Language Processing

$10,000 in prizes
Winners announced
514 participants

Chirp Developer Challenge

Online

Build an app using Twitter’s API v2 to unlock new experiences for people on Twitter, and inspire other developers.

$520,600 in prizes
Winners announced
1604 participants

Azure AI Hackathon

Online

Build AI-powered apps with pre-trained models or create your own machine learning models

$25,500 in prizes
Winners announced
1917 participants

Natural Language & Text Analytics API Hackathon

Online

Create or enhance an existing app by embedding deep Natural Language Processing, word meaning and sentiment analysis.

$10,000 in prizes
Winners announced
969 participants

Facebook Hackathon: Messaging

Online

Build messaging solutions that empower conversation

$7,000 in prizes
Winners announced
2008 participants

MongoDB World Hackathon

Online

Build your way to MongoDB World with our hackathon

$52,000 in prizes
Winners announced
847 participants

Twitch AWS Extensions Challenge

Online

Build an Extension that fuels the Twitch community

$26,500 in prizes
Winners announced
665 participants

Junction 2016

Ten Tracks. 1000+ Hackers. Come Hack the Future.

$595,592 in prizes
Nov 25 – 27, 2016
998 participants

Junction 2015

Build the future

$31,400 in prizes
Nov 6 – 8, 2015
205 participants