305 Hack Fall 2025 is Miami's signature hackathon, officially part of the Major League Hacking (MLH) 2026 Season and a flagship event of the Hack University Initiative.
This year marks a milestone: 305 Hack is officially hosted by the Google Developer Group (GDG) at FIU, alongside Code Crunch Global, Raspberry Pi Code Crunch, and CAHSI @ FIU.
Over three days, students, developers, designers, and entrepreneurs will come together to build transformative projects for the cities of tomorrow. Participants will gain access to mentorship, workshops, certifications, and global recognition — all while competing for prizes across four smart city innovation tracks
How would you like to contribute to building the cities of tomorrow?
Join as a participant to build innovative smart city solutions, collaborate with interdisciplinary teams, learn cutting-edge technologies, and compete for prizes. Perfect for students from all majors who want to shape urban futures.
🏗️ Register Now 🏗️ Hacker Guide Devpost - Submission PortalJoin our 305 hackathon Fall 2025! Whether you're an industry leader, student, fundraiser, or sponsor, your support drives innovation for tomorrow's cities.
🤝 Industry Leader – Volunteer 🎓 Student – Volunteer 💼 Industry Leader – Fundraising Advisory Board 🌟 Become a SponsorThe 305 Hackathon Fall 2025 focuses on Smart City Innovation - creating intelligent, sustainable, and connected urban solutions. Organized by Code Crunch, ColorStack at FIU, and CAHSI at FIU, we're bringing together diverse minds to tackle real urban challenges.
From IoT sensors and AI-powered traffic systems to sustainable infrastructure and digital governance platforms, participants will develop cutting-edge solutions that could revolutionize how we live, work, and interact in cities.
Choose your track to build the future of urban living! 🌆
Each track features unique urban innovation challenges that will be revealed when the hackathon begins on September 19, 2025 at 11:00 PM.
Build solutions for tomorrow's cities under pressure! ⏱️🌆
Building the physical and digital backbone of smart cities through innovative engineering solutions
Infrastructure Challenge: Unlocks September 19
Creating intelligent digital experiences and platforms that connect citizens with their smart cities
Digital Platform Challenge: Unlocks September 19
No Code Required! Business strategies, urban planning concepts, and entrepreneurial solutions for smart city challenges
Perfect for business, economics, public policy, and any major interested in urban innovation!
Business Innovation Challenge: Unlocks September 19
Advanced security solutions for smart city infrastructure, blockchain applications, and next-gen urban protection
Featured Track: Smart City Security & Blockchain
Extra prizes for innovative security solutions!
Security Challenge: Unlocks September 19 - Extra prizes!
Focus on Smart Cities
All solutions must address urban challenges
Choose 1 track
Specialize in your area of expertise
Business track needs no code
Perfect for non-technical majors
Challenges unlock Sept 19
Get ready to innovate!
A timeline of our hackathons building towards smart city solutions.
Our signature spring virtual hackathon introduced foundational tech concepts, bringing together innovators from across South Florida with focus on AI, fintech, and web technologies - laying groundwork for smart city innovation.
A vibrant hybrid hackathon in Miami emphasizing interdisciplinary collaboration across sustainability, health tech, and cybersecurity - key components for smart city infrastructure.
A virtual hackathon connecting students and industry experts through technical challenges and mentorship, advancing skills needed for complex urban technology solutions.
An intensive virtual summer hackathon focusing on beginner-friendly tracks, mobile app development, and cloud solutions - building the technical foundation for smart city applications.
Fall edition of our popular 305 Hack series, focusing on advanced web development, IoT solutions, and data analytics - essential technologies for smart city ecosystems.
A dedicated hackathon celebrating women in tech, promoting diversity and inclusion in the development of innovative solutions for social impact and urban challenges.
Year-end celebration hackathon bringing together all our community members for a grand finale of innovation, featuring advanced challenges in machine learning and blockchain technology.
The evolved version of our flagship event, featuring week-long intensive workshops, industry partnerships, and cutting-edge smart city challenges with real-world implementation opportunities.
Next generation of our 305 Hack series, incorporating lessons learned from previous events and focusing on emerging technologies like quantum computing and advanced AI systems.
Participate in the 305 Hackathon Fall as a hacker, volunteer, supporter, or sponsor
Fill out our registration form with your details and smart city project ideas. Registration is free and open to all university students interested in urban innovation and technology.
Participate solo or with a team of up to 4 members from diverse backgrounds. No team? Join our team formation events or use Discord to find teammates with complementary skills!
Join the opening ceremony where we'll reveal the smart city challenges, provide urban innovation insights, and share all resources you need to start building.
Develop your smart city solution within the timeframe, attend tech workshops, connect with industry mentors, and submit your project to help shape the future of cities.
Fill out our student organizer application with your background, skills, and passion for hackathon events. We're looking for dedicated students who want to gain leadership experience while building amazing tech events.
Join our comprehensive training sessions where you'll learn event management, team coordination, and hackathon best practices. Get matched with your organizing team and specific responsibilities.
Take ownership of your area (registration, logistics, social media, tech support, etc.), collaborate with industry professionals, and help create an unforgettable experience for hundreds of participants.
Gain valuable leadership experience, connect with industry mentors and sponsors, develop project management skills, and add prestigious hackathon organizing experience to your resume.
Share your urban planning, technology, or engineering expertise. Guide teams through smart city challenges and provide insights on sustainable urban development.
🏙️ Mentor InnovationBe part of the team that orchestrates this smart city innovation event. Help with logistics, coordination, and ensuring everything runs smoothly.
⚙️ Join OrganizationCollaborate with us as an organization, community group, or educational institution to support smart city innovation and urban technology development.
🤝 Partner With UsJoin our strategic advisory board to help secure funding, build industry partnerships, and guide our hackathon series growth. Perfect for executives and business leaders.
💼 Join Advisory BoardSupport urban innovation financially and connect with talented students building the future of cities. Showcase your commitment to smart urban development and tech education.
🏢 Become a SponsorQuestions? Email us at codecrunch@fiu.edu
Provide resources, prizes, or services to support our smart city hackathon. Perfect for tech companies wanting to showcase products or services to students.
🎁 Donate ResourcesLet's discuss partnership opportunities!
Activities and resources available throughout the 305 Hackathon Fall 2025
Learn from industry experts through technical workshops, tech talks, and skill-building sessions throughout the event.
Access presentation slides, code examples, and technical resources shared by mentors and industry partners for your projects.
Connect with fellow urban innovators, smart city professionals, tech industry leaders, and potential co-founders through structured networking sessions.
Take a break from coding with our smart city trivia and mini-challenges to refresh your mind while learning about urban innovation trends.
Participate in our sticker exchange featuring smart city themes, tech companies, and urban innovation logos from sponsors and fellow hackers.
Enjoy complimentary meals, snacks, and refreshments throughout the event to keep you energized while building the future of cities.
Note: Availability is TBD and will be confirmed during the event kickoff, depending on the hackathon format.
Designated quiet spaces with basic sleeping accommodations for participants who need to recharge during the intensive smart city building sessions.
Access IoT sensors, Arduino kits, Raspberry Pis, and smart city simulation hardware for building physical smart city prototypes and connected infrastructure.
Note: Availability is TBD and will be confirmed during the event kickoff, depending on the hackathon format.
Online collaboration spaces for casual conversations, team formation, brainstorming smart city solutions, and relaxation during virtual participation.
The amazing people making the 305 Hackathon Fall 2025 possible
Experience: Machine Learning Engineer at Meta
Experience: Robotics Engineer at SwiftPOD LLC
Experience: Director at CapitalOne
Experience: Senior Engineer at Found (found.com)
Experience: Assistant Project Manager at RAVA Construction, LLC
Experience: Technical Architect at Capgemini
Experience: Senior Software Engineer at IIT Bhubaneswar
Experience: Lead SWE at Dub
Experience: Technical Account Manager / Integration Consultant at Voucherify
Experience: Sr. Software Engineer at T. Rowe Price
Experience: Technical Architect at 3 Share
Experience: Staff Cloud Security Engineer at Rubrik Inc
Experience: Senior Mananger at Walmart
Experience: AI Big Data & Cloud Architect at Microsoft
Experience: Project Engineer at Lane Construction
Experience: Senior Software Engineer, Cloud Infrastructure at Autodesk
Experience: Staff Security Engineer at Rubrik
Experience: Senior Software Engineer at Pangolin Laser Systems, Inc.
Get to know our full roster of judges, mentors, and speakers on our official Devpost hackathon page. Discover their expertise, backgrounds, and what they bring to the smart city innovation challenge.
Visit Our Devpost PageHelp shape the future of urban technology by volunteering with us. Whether you're an industry expert, student, or passionate about smart cities, we have opportunities for both in-person and virtual participation!
Find answers to common questions about the 305 Hackathon Fall 2025
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The organizations powering the 305 Hackathon Fall 2025 smart city revolution
Join us in building the future of urban technology and connect with the next generation of smart city developers.
Download Smart City Sponsorship Info