Harendra Shakya (harendrashakya)

Full-Stack Developer

PayPal AI Hackathon

Online

Build what’s next with PayPal and AI

$67,500 in prizes
Nov 12, 2026 03:00 PM EST to submit
15852 participants

Nebius x NVIDIA Global AI Hackathon

Featured

Online

Build the next frontier of AI on open infrastructure

$50,000 in prizes
Oct 30, 2026 01:00 PM EDT to submit
24149 participants

OpenCV AI Competition 2026, powered by AWS

Online

Build vision systems that see, reason, and act with OpenCV 5 and Amazon Web Services (AWS). Win money and bragging rights!

$20,250 in prizes
Oct 27, 2026 02:45 AM EDT to submit
5067 participants

Build, Ship, Shape: Amazon Developer Hackathon

Featured

Online

Build across Amazon Devices and shape what's next.

$138,000 in prizes
Oct 23, 2026 03:00 PM EDT to submit
56150 participants

RevenueCat Shipaton 2026

Online

Ship apps and start making money.

$740,000 in prizes
Winners TBD
28603 participants

Agentic Cinema: The Blockbuster Hackathon

Online

Lights. Camera. Code.

$75,000 in prizes
Winners announced
10110 participants

DevNetwork [API + Cloud + AI] Hackathon 2026

Santa Clara, CA, USA

Join the nation's largest challenge-driven API + Cloud + AI hackathon @ API World 2026!

$39,500 in prizes
Aug 17 – Sep 3, 2026
1377 participants

Build with Gemini XPRIZE

Online

$2,000,000 in prizes. Build with Gemini. Ship products that impact the world.

$2,000,000 in prizes
Winners announced
26407 participants

Next Top Blockchain Startup

Online

World's Largest Web 3.0 Startup Competition

$273,000 in prizes
Winners announced
568 participants

Web3 and AI Unstoppable Hackathon | Unstoppable Domains & AWS

Online

Web3 and AI Hackathon

$187,000 in prizes
Winners announced
1142 participants

Block Magic: A Chainlink Hackathon

Online

Chainlink’s Block Magic hackathon accelerates developers’ onchain journey

$547,000 in prizes
Winners announced
1864 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

Chainlink Spring 2023 Hackathon

Online

Join us for the biggest #Chainlink hackathon yet. Build the next generation of #Web3 apps alongside thousands of developers, creators, artists, and mentors.

$435,500 in prizes
Winners announced
2392 participants

Theta Network 2023 Hackathon

Online

Theta is the leading blockchain in the media and entertainment space. Join us in building products, integrations and tools for the Theta ecosystem!

$254,144 in prizes
Winners announced
933 participants

Zero-Knowledge Proof Hackathon

Online

Bitcoin has been associated only with simple payments. But it can also run arbitrarily complex smart contracts that any other blockchains can run, and do so more efficiently.

$45,000 in prizes
Winners announced
912 participants

NEAR MetaBUILD III Hackathon

Online

Our world has changed. Meet new challenges in a way a true buidler would do – hack your way to the top. Build the next big thing on NEAR.

$940,000 in prizes
Winners announced
3054 participants

Chainlink Fall 2022 Hackathon

Online

Kickstart the next wave of #Web3 innovation at the #Chainlink Fall 2022 Hackathon

$376,500 in prizes
Winners announced
1205 participants

TRON Grand Hackathon - Season 3

Online

HackaTRON

$1,200,000 in prizes
Winners announced
1144 participants

EVMxIdeathon

Online

Ideas that inspire, hacking that transcends

$88,000 in prizes
Winners announced
623 participants

Polygon BUIDL IT : Summer 2022

Online

Dive into Web3 this summer and build a new dApp with Polygon

$515,000 in prizes
Winners announced
5370 participants

Web3 Infinity Hackathon

Online

Decentralize the Data, Empower the World!

$105,000 in prizes
Winners announced
538 participants