Oleg Grishanovich (creduntvitam)

Golang engineer building clean, scalable systems and practical AI tools that solve real problems.

Pologne
Website
GitHub

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46685 participants

FIND EVIL!

Online

AI threats strike in minutes. Build the defender that responds in seconds.

$22,000 in prizes
Winners announced
4394 participants

Codegeist 2025: Atlassian Williams Racing Edition

Online

Accelerate innovation: Build on Forge, extend Jira, Confluence, Bitbucket, and more— win your share of $120K.

$120,000 in prizes
Winners announced
3504 participants

Cloud Run Hackathon

Online

Build applications with Cloud Run

$50,000 in prizes
Winners announced
3417 participants

Google Chrome Built-in AI Challenge 2025

Online

Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI.

$70,000 in prizes
Winners announced
14046 participants

AI in Action

Online

Innovate Together: A Multi-Partner Google Cloud Hackathon

$50,000 in prizes
Winners announced
6683 participants

Perplexity Hackathon

Online

Create an internet-enabled project to inspire curiosity, seek knowledge, or reason through complex tasks.

$35,000 in prizes
Winners announced
4349 participants

Codegeist Unleashed

Online

Can AI fuel the workplace? Find out by building AI apps on Atlassian’s Forge platform. $172,500 in prizes and trips to Amsterdam for the top 3 winners.

$172,500 in prizes
Winners announced
1686 participants

NASA Space Apps Challenge Mountain View

Mountain View, CA, USA

BE A PART OF THE LARGEST ANNUAL GLOBAL HACKATHON and SOLVE REAL-WORLD CHALLENGES ON EARTH AND IN SPACE

Non-monetary prizes
Oct 7 – 8, 2023
63 participants

All Inclusive Hacks - Compete Globally to Win Software & Educational Tools!

Online

A virtual student-led event centered on developing creative solutions to strengthen web disability access, bias detection, and inclusion using computational linguistics/AI.

$905,957 in prizes
Winners announced
663 participants

Nylas and AI: Email and Calendaring for the Future

Online

With the help of AI and the Nylas APIs, let's build tools to help the world communicate better

$10,000 in prizes
Winners announced
647 participants

Ripple CBDC Innovate

Online

You are invited to build or update an original fintech or payments solution utilizing Ripple’s CBDC solutions. Winners of Phase 1 will be invited to a Winners Only Phase II event!

$200,000 in prizes
Winners announced
1186 participants

DeveloperWeek CloudX 2023 Hack

San Mateo, CA, USA

The world’s largest cloud computing challenge-driven hackathon.

$99,492 in prizes
Aug 1 – 16, 2023
467 participants

Square Developer Hackathon 2023

Online

Build new apps or app features with emerging technologies with Square

$81,000 in prizes
Winners announced
1298 participants

Protocol Labs (Filecoin Green)-Sustainable Blockchain Hackathon

Online

Bringing together sustainability gurus and developers to build new solutions at the intersection of web3 and the environment!

$43,500 in prizes
Winners announced
426 participants

Unlocking the Potential of XRP Ledger

Online

Build a functional app using the XRPL's powerful features

$30,000 in prizes
Winners announced
262 participants

Scrypto DeFi Challenge

Online

Build the next billion dollar decentralized application (dApp), built using Scrypto on Radix

$50,000 in prizes
Winners announced
434 participants

DeveloperWeek 2023 Hackathon

Oakland, CA, USA

Join the nation's largest challenge-driven in person and online hackathon @ DeveloperWeek 2023!

$120,100 in prizes
Feb 1 – 17, 2023
650 participants

Entra Permissions Management Hackathon

Online

Learn how to operationalize permissions in a multicloud environment!

$1,430 in prizes
Winners announced
408 participants