Hackathons for developers
59 open hackathons, each checked against the organizer's official page. 15 close in the next 7 days.
A hackathon gives you a deadline, a theme and a prize pool. Many run online for several weeks and accept solo builders, so you can enter from anywhere and work in your own time.
Build, Ship, Shape: Amazon Developer Hackathon 2026
Amazon offers $138,000 in cash prizes for demo ready apps built for Fire TV, Alexa+, Bee and Ring. Open worldwide, submissions close October 23, 2026.
QHack 2026: Quantum Coding Championship
Xanadu's QHack 2026 pays a $67,000 cash pool for quantum coding challenges from October 16 to 23. Register now at qhack.ai.
Airwallex Agentic Banking Hackathon 2026
Airwallex offers $100,000 in prizes and credits for agents built on its APIs. Applications close 23 October 2026.
Neighborhood Hacks 2026, online hackathon for high school students
Week long online hackathon for high school students who build tools for their own community. Prizes worth $57,866, mostly credits. Closes 23 October 2026.
IEEE ClimateChain Global Hackathon 2026
Online IEEE hackathon for blockchain and AI tools on climate problems. $3,000 in cash prizes, submissions October 5 to 25, 2026.
Meta Global AI Developer Hackathon 2026
Ten day online hackathon from Meta with a $1,000,000 cash prize pool for indie developers and startups. Apply by 25 October 2026.
Junction 2026 hackathon in Espoo with a hardware lab
Junction 2026 is a free 48 hour hackathon in Espoo, Finland, on 13 to 15 November with €100,000 in prizes. Apply by 25 October 2026.
Web3 for Social Good Hackathon 2026 at SMU Singapore
Web3 for Social Good Hackathon 2026 at SMU Singapore has a USD 20,000 prize pool. Submit an idea or a prototype on DoraHacks by 25 October 2026.
OpenCV AI Competition 2026, powered by AWS
The OpenCV AI Competition 2026, sponsored by AWS, pays $20,250 in prizes and compute grants for computer vision projects. Entries close on October 26, 2026.
Build With AI: Basics
Build With AI: Basics pays a $2,500 prize pool for a new app built with AI skills. Submissions close on 26 October 2026.
4YFN27 Awards: startup competition at MWC Barcelona 2027
The 4YFN27 Awards give the winning digital startup €20,000 at MWC Barcelona in March 2027. Applications close 26 October 2026.
Hackaday Retrocomputing Contest 2026
Hackaday and DigiKey give a $150 gift certificate to each of three favorite retrocomputing projects. Entries close on October 27, 2026.
GitLab Life After Code Hackathon 2026
An online GitLab hackathon for AI agents that automate code review, security, testing and deployment, with $45,000 in cash prizes. Submit by 27 October 2026.
AWS Communication Developer Services Agentic AI Partner Hackathon 2026
AWS pays a $40,000 prize pool for agentic AI built on its communication services. Open to AWS Partners until October 28, 2026.
TUM Blockchain & AI Hackathon 2026 in Munich
In person hackathon in Munich on 30 and 31 October 2026 for blockchain and AI builders, with €10,000 in prizes. Apply on Devfolio by 29 October.
Nebius x NVIDIA Global AI Hackathon
Nebius and NVIDIA offer $50,000 in cash for working AI systems built on Nebius with NVIDIA open models. Submissions close October 30, 2026.
HackFW MADE Challenge 2026
HackFW MADE Challenge is a North Texas hackathon on AI, hardware and software for manufacturing, with $1,900 in prizes. Submissions close on 30 October 2026.
Qloo Agentic Hackathon 2026
An online hackathon for apps that put the Qloo API into AI agents, with $25,000 in prizes. Submit by 30 October 2026.
DigiKey & Würth Elektronik Proteus-IV Eval Board Design Contest 2026
Open theme hardware contest around the Proteus-IV Bluetooth LE 6.0 module. The top 50 ideas get a free board and the winner picks a prize up to $2,500. Ideas are due 30 October 2026.
Galuxium Nexus V2 hackathon
Galuxium Nexus V2 is an online hackathon for building paid software products, with $14,944 in prizes and a submission deadline of October 31, 2026.
Tari October Build Contest 2026: Spooky Secrets
The Tari Council pays 1,000,000 XTM for the best new privacy project on Ootle. Entries close at 00:00 UTC on 1 November 2026.
Expo App Awards 2026
Expo's yearly awards for the best apps built with Expo. App of the year wins $1,000 in Expo credit. Submit by 31 October 2026.
Mergetober 2026 with Cognee
Mergetober pays a $5,000 prize pool for open source integrations to Cognee. Open a pull request by 31 October 2026.
ARC Prize 2026
ARC Prize 2026 offers $2M in prizes across three tracks for open source progress on the ARC-AGI benchmarks. Submissions on Kaggle are due November 2, 2026.
YouCam API Skin AI & eCommerce VTO Hackathon 2026
Perfect Corp. offers $6,000 in prizes for web or mobile apps built on its YouCam APIs for beauty, fashion and online shopping. Submissions close 2 November 2026.
Game Gauntlet SIM Jam 2026
Six week online game jam to build a game that simulates a system, with $1,000 for first place and $500 for second. Submissions close 4 November 2026.
Since AI Hackathon 2026
Since AI Hackathon 2026 is a free 72 hour event in Turku, Finland, with €50,000 in cash prizes. It runs November 6 to 8, 2026.
DSH Hacks V2: student hackathon on AI and healthcare
DSH Hacks V2 is an online student hackathon on AI and healthcare with $42,234 in prizes. Projects are due on November 7, 2026.
Vultr: Agent Rush Hackathon
Vultr and lablab.ai offer a $9,000 cash prize pool plus $5,000 in credits for sandboxed AI agents that do real work. Online build November 3 to 8, 2026.
Celo Agents on Open Rails hackathon 2026
Celo pays $5,000 in prizes for agents that move money on live payment rails. Submissions close 9 November 2026.
Learn AR with SPECS 2026
Online Devpost hackathon with $2,500 in cash for a new AR Lens for Snap SPECS glasses, built by an AI coding agent. Submit by 9 November 2026.
PayPal AI Hackathon 2026
PayPal offers $67,500 in cash for projects that use PayPal and AI. Submissions close 12 November 2026 at 2:00 p.m. Pacific Time.
BCH BLAZE 2026 hackathon
BCH BLAZE 2026 is an online Bitcoin Cash hackathon with a prize pool of $8,000 or more. Register by 13 November 2026.
Zoud GameLab 2026
A virtual game jam on financial literacy from October 15 to November 15, 2026, open worldwide, with a prize and funding pool of up to $140,000.
NASA Space Apps Challenge 2026
NASA runs its yearly global hackathon on November 14 and 15, 2026. Registration is open and teams of up to six people work on 14 space challenges.
Code for a Billion: Bharat Agentic AI Hackathon 2026
Code for India offers a ₹18,00,000 prize pool for open source AI agents that solve public problems. Submissions close 15 November 2026.
Meta VR Start Developer Competition 2026
Meta VR Start Developer Competition 2026 offers up to $1,000,000 in prizes for hands first VR experiences. Submit by 18 November 2026.
Google Gemma 4 Developer Agent Competition 2026 on Kaggle
Kaggle competition from Google DeepMind to train Gemma 4 into an offline coding agent. $100,000 in prizes; join by 25 November 2026.
Dev3pack Global Hackathon 2026: Solana university hackathon
Free three day Solana hackathon for university students, online or at local build stations, 27 to 29 November 2026. Best App Overall wins $10,000+.
heypcb Hardware Challenge 2026
heypcb pays two $1,000 prizes for original circuit boards published on Circuit World. Entries close 30 November 2026.
Lablab x AMD AI Academy Challenge
lablab.ai and AMD run a three month online challenge for individual AI builders with a $5,000 prize pool. It runs from September 1 to December 1, 2026.
GEMS Prize Challenge 2026
The U.S. Department of Energy offers $300,000 in prizes for algorithms that find hidden geologic faults in geophysical data. U.S. only, closes December 3, 2026.
Kotlin Multiplatform Contest 2027
Students and recent graduates can build a Kotlin Multiplatform app and win one of three trips to KotlinConf 2027 in Kraków. Submit by December 7, 2026.
X Layer TapeOut Accelerate 2026 hackathon
X Layer TapeOut Accelerate is an online hackathon with a 100,000 USDT prize pool for apps built with TapeOut on X Layer. Submit by December 7, 2026.
Build the Autodesk University 2027 Product
A Hackster design challenge to create the official Autodesk University 2027 product, open until December 21, 2026. The winning concept is manufactured for about 750 attendees.
EasyEDA Spark 2026 hardware program
EasyEDA Spark 2026 offers an $85,000 prize pool for hardware projects, with up to $30,000 for the top entry. Project submissions close 31 December 2026.
Infineon Boss Battle in the AI Arena 2026
Infineon is running a hardware contest on the PSOC Edge E84 AI kit with a $2,000 prize pool. Submissions open 13 October 2026 and close 3 January 2027.
Smart Buildings Competition 2026 on Kaggle: $40,000 for AI that controls building HVAC
Kaggle competition to train HVAC control policies that work in buildings they have never seen. $40,000 in prizes, final submissions by January 15, 2027.
PCBWay 9th Project Design Contest
PCBWay runs its 9th Project Design Contest with cash prizes up to $2,000 plus hardware for electronics, robotics and mechanical projects. Submissions close January 24, 2027.
STM32Cube Innovation Challenge 2026: Design with STM32C5
An online embedded design contest from Elektor and STMicroelectronics with €5,000 in prizes and free STM32C5 boards. Ideas by 30 November 2026, projects by 31 January 2027.
Decentralize AI Hackathon by HackerNoon
A $51,750+ prize pool and $35,000 in compute credits for developers building open AI infrastructure. The second round of entries ends on February 27, 2027.
Sustain the System 2026: Nordic Semiconductor contest with an $8,000 prize pool
Nordic Semiconductor is giving away $8,000 for predictive monitoring projects built on the nRF54LM20 DK. Submissions close 23 April 2027.
XRPL AI & Fintech Hackathon NYC 2026
In person XRP Ledger hackathon in New York on 24 and 25 October 2026 for AI agent payments and onchain lending, with $40,000+ in prizes.
Create AI Agents Championship 2026/27
The Create AI Agents Championship gives a USD 150,000 grant to the winner of each of four categories for building an AI agent. Free to enter.
HackMeridian 2026: Stellar hackathon in Lisbon
HackMeridian is a two day Stellar hackathon in Lisbon on 25 and 26 October 2026, with up to $30,000 in XLM in prizes.
ETHGlobal Mumbai 2026
ETHGlobal runs a three day in person hackathon in Mumbai from November 5 to 7, 2026, with $175,000 available in prizes. Builders apply to attend.
thatgamejam #02 2026 by thatgamecompany
Two week online game jam from thatgamecompany with five cash prizes, the largest USD 3,000. Submissions open 24 October and close 7 November 2026.
Snapmaker Innovation Fund 2026: Open Competition Phase 2
Snapmaker pays $50,000 in cash prizes, up to $5,000 per project, for firmware, software and hardware mods for its U1 printer. Submit 28 October to 24 December 2026.
Arbitrum Open House Dubai: Online Buildathon
The Arbitrum Foundation runs an online buildathon with a $30,000 prize pool. Registration opens October 31, 2026 and submissions close December 6.