Discover high-quality builder opportunities, ship at hackathons, and keep your best projects moving after submission.
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Find hackathons, grants, bounties, programs and jobs from across AI and Web3, sorted by deadline and prize.
Pick the right event, ship a working project and submit it before the deadline.
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Hackathons, grants, bounties, programs and jobs across AI, Web3 and beyond.
Encode ClubVerified
Free 2-day in-person AI and payments hackathon in Lisbon on Stellar. 28 hours of building from 09:00 Sun 25 Oct to 12:00 Mon 26 Oct at Warehouse ONE16. $30K prize pool across 6 winners paid in XLM.
$30,000 in XLM
TrendSpiderVerified
Build custom trading indicators using Sidekick AI or code, publish free to the TrendSpider Store with #TSBuild26, and compete in four categories. Deadline extended.
Over $25,000 cash and prizes
OpenCV Foundation and Amazon Web ServicesVerified
Two-month online competition to build vision systems using OpenCV 5 with a meaningful component running on AWS. Optional featured paths cover Cloud-Optimized OpenCV (COOL) and Agentic Vision. Entries need a technical report, code repository, working demo and a video of up to five minutes.
$20,250 in cash and AWS credits ($12,000 in main and special prizes + 55 compute grants of $150)
GitLabVerified
Build agents and flows that automate the post-code DevSecOps lifecycle (review, security, testing, compliance, deployment, monitoring). Paths: Start Fresh or Bring Your Own. Use GitLab Duo Agent Platform. Judged by GitLab, Google, Anthropic.
$45,000 cash
GenAI WorksVerified
Build an agent that does real work. A six-day online sprint (Oct 22-27) across three tracks (Solving Fragmented Intelligence, The Agent That Can Explain Why, Reasoning Architecture) plus a Wildcard track for extending an existing project with Zetaris and Meterless. Teams of 1-5.
Up to $20,000 ($15,000 cash + $5,000 in-kind)
JigJoy / Science and Technology Park Novi SadVerified
Global AI hackathon to build concurrent multi-agent systems using Mozaik. Solo or teams up to four; online and onsite participation use the same schedule and judging.
$1,000 cash + five 6-month Mozaik Cloud Premium subscriptions
GitLabVerified
Online hackathon to build agents and flows on the GitLab Duo Agent Platform that automate the post-code DevSecOps lifecycle. Entrants choose Path A (start fresh) or Path B (bring an MIT-licensed project) and a level of autonomy, with a bonus for deploying on Google Cloud.
$45,000 in cash
OpenCV Foundation and Amazon Web ServicesVerified
Build vision systems that see, reason, and act with OpenCV 5 and Amazon Web Services (AWS).
$20,250 cash
Amazon Web Services (AWS)Verified
A global online hackathon for building AI-powered conversational solutions using AWS Communication Developer Services such as RCS, SMS, WhatsApp, or SES, with optional Amazon Bedrock AgentCore integration.
$40,000 in cash
AWSVerified
Build conversational solutions on AWS CDS (RCS, SMS, WhatsApp, SES). Recommended to incorporate Amazon Bedrock AgentCore for agentic AI. For AWS Partners; must create ACE opportunity.
$40,000 cash
AnthropicVerified
This fellowship brings researchers and experts from philosophy, cognitive science, economics, policy, and law into Anthropic for four months to work alongside research teams. Fellows evaluate, improve, and apply Claude's capabilities in their field by designing evaluations and tackling open problems requiring expert judgment.
$100,000–$167,000 USD for the four-month fellowship
AnthropicVerified
The Anthropic STEM Fellows Program brings researchers and experts from across science and engineering into Anthropic for four months to take on the grand challenges of their fields with Claude. Fellows work in small pods to define hard open problems, build datasets and evaluations, and apply Claude to advance science and engineering.
$100,000–$167,000 USD for the four-month fellowship
Nebius and NVIDIAVerified
Build a working AI system on open independent infrastructure using NVIDIA open source models served on Nebius Token Factory or Nebius AI Cloud. Tracks include Coding and Agentic Engineering, Best Apps and Agents, Personal AI, and Physical AI.
$50,000 cash plus prizes
SoSoValue
Buildathon on AKINDO to build on-chain finance tools using SoSoValue data, news feeds, index tools, trading APIs and the ValueChain L1. Projects are judged on user value, working demo, workflow design, data and API integration, and UX.
10,000 USDC total
SoSoValue
Buildathon on AKINDO to build on-chain finance tools using SoSoValue data, news feeds, index tools, trading APIs and the ValueChain L1. Projects are judged on user value, working demo, workflow design, data and API integration, and UX.
10,000 USDC total (4,000 USDC pool listed, breakdown not stated)
Nebius / NVIDIAVerified
Build using Nebius AI cloud infrastructure with at least one NVIDIA open-source model. Includes city-level and feedback awards alongside the main prizes; a Jetson Orin Nano is offered as hardware, not cash.
$50,000 total ($20,000/$10,000/$6,000 + $3,000 Tavily + 20×$500 city awards + 10×$100 feedback)
QlooVerified
Build agentic tools, agent-powered apps, or integrate Qloo’s taste graph API (250M+ entities) so agents make culturally grounded recommendations. Bonus: Jason Calacanis personal investment of additional $25k into his favorite.
$25,000 cash
ActivateVerified
A two-year U.S. fellowship program that transforms scientists and engineers into founders, empowering them to bring their research to market by providing funding, technical resources, and support from a network of scientists, engineers, investors, commercial partners, and fellow entrepreneurs.
$100,000 living stipend per year plus $100,000 R&D support and $12,000 travel and professional development funds per year
Defence BuilderVerified
Four-month hybrid accelerator for up to 10 global teams with TRL 4+ defence or dual-use prototypes. Military track (validation with 30+ units) and business track (unit economics, IP, export, fundraising). Starting grant for minority equity plus access to 100+ investors. English/Ukrainian.
Starting grant (minority equity) plus performance-based funding
Blockchain Legal InstituteVerified
Second annual global legal tech hackathon run by the Blockchain Legal Institute on DoraHacks. Builders compete for bounties and support from blockchain companies and law firms, with access to mentors, angel investor pitching and accelerator networks.
$20,000 USD listed (organizers state the prize pool is still developing and may change)
GaluxiumVerified
Build a fully deployed, revenue-generating SaaS platform with a live monetization engine, not a prototype. Open to all ages and occupations globally, despite Devpost's student-only platform tag. Submissions need a live public deployment, a public repo, a working MVP, and a demo video, judged on architecture, compliance, market fit, monetization, UI/UX, and pitch.
$1,600 in Backboard.io platform credits (not cash, requires active $5/mo Backboard subscription to redeem) + up to $1,000 in a discretionary cash seed fund
Raspberry PiVerified
First-across-the-line hardware security challenge to use side-channel analysis (power, EM or timing) on the RP2350 self-decrypting AES boot and leak enough key material to decrypt the payload. A single winner or winning team takes the prize. Fault injection and optical attacks are out of scope.
$20,000 USD (single winner or team)
Anna AIVerified
Builder program on DoraHacks where developers turn AI agents, scripts, MCP servers or SaaS products into published Anna Marketplace apps. Apps that reach 200 Qualified monthly active users earn recurring monthly grants, with qualification open through Nov 30, 2026.
Up to $5,000 per app per eligible month (up to $80,000 total monthly pool); September Launch Boost has ended
Bharat DigitalVerified
A six-month paid fellowship inside a government department, working alongside government partners, solving tasks for real-world impact. Aims to identify and train early-career public-interest technologists in Design, Artificial Intelligence, and Engineering tracks.
₹40,000 a month
CircleVerified
Eight microgrants of $500 USDC each for projects built in Arc Studio and deployed to Arc mainnet that move real USDC. Experiments in escrow, payments and agent-to-agent payments are encouraged. Open to individuals and teams worldwide subject to sanctions screening.
$4,000 USDC
Kairos and ConstellationVerified
Three-month in-person residency in Berkeley for AI safety generalists. Residents pitch, build, and ship projects with mentorship and placement support. Two tracks: Self-Directed and Embedded. J-1 visa sponsorship available for most internationals.
$8,500 per month plus travel and project budgets
RUNVerified
Creator jam on RUN where entrants build an original game, story or video on the Monster Mash theme between Oct 8 and Nov 2. Games and stories or videos are ranked by community votes from Oct 15 to Nov 6, and the RUN team picks Editor's Picks and Special Category winners.
$30,000
0G and xBuildersVerified
Four-month accelerator for up to 10 AI startups building on 0G infrastructure. Mentorship from Stanford veterans and partners (Google, Consensys, Privy). In-person graduation at Stanford. Applications reviewed rolling.
Up to $2M investment per project (subject to diligence)
Blockscout and CraftoraVerified
Build dApps with Blockscout PRO API at the core. Two sprints: Sprint 1 (Oct 8–21) and Sprint 2 (Oct 25–31). Squads of 1–4. Mentorship, certificates, badges.
1,200 USDC (Sprint 2)
Portaldot Network Ecosystem FoundationVerified
Online Hacker House on DoraHacks for building on Portaldot Network V3.0, which supports WASM and EVM contracts. Four tracks: Modular Cloud and Middleware, Multi-Chain and Cross-Chain Infra, Node Operations and Tooling, and Ecosystem DApps. Projects must deploy on the Portaldot testnet, and outstanding teams can apply for long-term ecosystem support.
5,200 USDT total (2,600 USDT in USDT + 2,600 USDT equivalent in POT tokens)
CityGovVerified
Online competition to create practical, realistic solutions that make the move from education to employment easier and more equitable. Open to US residents age 18+.
Up to $1,000
Major League Hacking (MLH)
Online weekend hackathon on Nov 6 to 8, 2026 for building apps on Solana, covering consumer apps, payments, games, DeFi and AI agents. Beginners are welcome, with workshops and mentors available. Final submission is due on Devpost on Nov 8.
To be announced (gear and career opportunities for top projects)
Sigma Eta Pi, Miami Banking Club and RedHawk Applied AI (Miami University)
In-person fintech hackathon at Miami University in Oxford, Ohio, on Nov 7 to 8, 2026. Teams of 3 to 5 build a project for one of 30 problem statements. Open to US college students only.
$3,500 in cash ($2,000 / $1,000 / $500)
Encode Club and Solana FoundationVerified
Four-week online hackathon to build and ship a product on Solana (DeFi, consumer, tooling, or infrastructure). Checkpoints with feedback. Winning teams progress to an 8-week Encode accelerator. AI-assisted development encouraged.
Accelerator places for winners (non-cash)
Celo
Five-week hackathon on Celo mainnet to build agents on live payment rails, across three tracks: Stable Agents LatAm, Stable Agents Open Corridors (Textile FX and USDT x402 payments) and Build with buy. Onchain volume counts toward the score. Every team gets 3 months of Chainstack Growth Plan.
$5,000 paid in CELO ($2,000 + $2,000 + $1,000 across three tracks)
TatumVerified
Online global hackathon to build apps that remember using Walrus Memory on Mainnet and Tatum AI Builder or RPCs. Three tracks with $1,000 each plus bonuses for a $4,500 prize pool. Submissions close at 17:00 UTC on 10 Nov 2026.
$4,500
RYO-CHANVerified
Online hackathon to build on RYO-CHAN, a no-code AI trading platform, across three tracks: Autonomous Agents, Dashboards and Interfaces, and New Skills. Builders use read-only research tools over MCP or REST, with no real funds involved. Winners also compete for a trip to RYO-CHAN's Tokyo HQ.
Up to $15,000 paid in RYO-CHAN tokens, plus a trip to Tokyo HQ for the grand prize winner
Victoria VRVerified
Build browser-native AI tools and 3D experiences that transform natural language into interactive worlds. Projects must run in the browser and turn plain language into 3D scenes and working logic. Covers AI-generated 3D scenes, intelligent NPCs, procedural worlds, and real-time AI interactions using any web-based 3D stack.
€20,000
RYO-CHANVerified
Online hackathon to build on RYO-CHAN, a no-code AI trading platform, across three tracks: Autonomous Agents, Dashboards and Interfaces, and New Skills. Builders use read-only research tools over MCP or REST, with no real funds involved. Winners also compete for a trip to RYO-CHAN's Tokyo HQ.
Up to $15,000 paid in RYO-CHAN tokens, plus a trip to Tokyo HQ for the grand prize winner
PayPalVerified
Global online hackathon inviting developers, designers, founders, students, and builders to create something new using PayPal and AI. Projects must meaningfully use both PayPal and AI. No prescribed problem statements or tracks.
$67,500 cash plus credits
For organizers
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