Geoffrey Nwachukwu (Dejeffo)

I design experiences for people who like to learn and communicate visually

Abuja, Federal Capital Territory, Nigeria
Website
Twitter

GitLab AI Hackathon

Online

You Orchestrate. AI Accelerates.

$65,000 in prizes
Winners announced
6965 participants

Gemini Live Agent Challenge

Online

Redefining Interaction: From Static Chatbots to Immersive Experiences

$80,000 in prizes
Winners announced
11878 participants

Code with Kiro Hackathon

Online

A challenge for developers to explore Kiro, an AI IDE that works alongside you to turn ideas into production code with spec-driven development.

$100,000 in prizes
Winners announced
9969 participants

Africa Deep Tech Challenge 2025

Online

Create breakthrough solutions that thrive under constraints and unlock Africa’s deep tech potential.

$20,000 in prizes
Winners announced
2821 participants

World’s Largest Hackathon presented by Bolt

Online

Build with AI for a shot at some of the $1M+ in prizes.

$1,037,500 in prizes
Winners announced
128416 participants

Agent Development Kit Hackathon with Google Cloud

Online

Build multi-agent AI systems with Agent Development Kit and Google Cloud

$50,000 in prizes
Winners announced
10363 participants

HubSpot Themes Challenge 2021

Online

Build website themes for HubSpot’s marketplace to compete for a Tesla and over $100,000 in cash prizes.

$160,500 in prizes
Winners announced
878 participants

Facebook Hackathon: Messaging

Online

Build messaging solutions that empower conversation

$7,000 in prizes
Winners announced
2681 participants

Facebook Hackathon: AR

Online

Augment your world with Spark AR

$7,000 in prizes
Winners announced
1680 participants

<Trave/Scrum> Hackathon 2020

Online

Rethink. Rebuild. Reinvent. Travel and Tourism Industry post COVID-19

$97,000 in prizes
Winners announced
478 participants

2019 Developer Circles from Facebook Community Challenge

Online

Build software using React360, Spark AR, or HTML5 Games to give people the power to connect with friends and family, find communities and grow businesses.

$167,500 in prizes
Winners announced
12035 participants