Happy Sunday, SF Social Club! With SF Tech Week coming up, the city is buzzing with anticipation. Luckily, you don’t need to wait for the big week to get out there. Here are the best events happening in SF this week.

SF Social Club is brought to you by Matthew (CEO at Caladan) and Jessie (Angel Investor). Since late 2022, we’ve hosted over 100 tech events in San Francisco and built a community of 10,000+ people along the way. Why? Because we’ve seen firsthand that the city feels most alive when founders, engineers, and dreamers come together in person. SF Social Club is our way of curating the city’s best events and hosting our own community mixers, so everyone can find their tribe here. If you’re interested in being a sponsor, please fill out this form!

This Week’s Sponsor

Startups backed by top investors like Y Combinator & OpenAI tap Caladan to hire elite engineering talent globally. Our VS Code and Cursor extensions let us screen thousands of candidates in their real workflow, surfacing only the top 1% of AI-native engineers. The result: hires in days instead of months, at less than half the cost of traditional recruiting. Let Caladan be your startup’s secret weapon — click below to hire your first AI-native engineer today.

Book a demo with Caladan.

Event Lineup 🍾

Sept 15th, 2025 - Cafe Cursor

Time: 10am - 4pm

Hosted by Cursor in San Francisco

Join us at Cafe Cursor for a couple hours of your Monday. We're taking over a cafe in North Beach and inviting Cursor users to come build with us.

Bring your laptop with you and spend some time building with other Cursor users. We'll have some Cursor credits and beverages waiting for you.

Sept 15th, 2025 - The Modern Engineer’s Toolkit: Tools and Workflows in the AI Era

Time: 5:30pm - 8pm

Hosted by Assembled in San Francisco

AI tools are the future of software, and the best way to learn them is from the people inventing them.

That's why we’re bringing together some of the world’s best builders, including the minds behind OpenAI Codex and Anthropic for a fireside chat with live, on-screen demos.

Sept 16th, 2025 - Built on Bedrock Demo Night

Time: 5pm - 7:30pm

Hosted by AWS in San Francisco

Join us for an exciting evening of Agentic AI demos from local startups leveraging Amazon Bedrock.

​​​​​Want to demo? If you are interested in demoing, please fill out the application form.

Sept 16th, 2025 - Arc’s SF HQ Launch Party

Time: 6pm - 9pm

Hosted by Arc in San Francisco

We're welcoming in fall with a brand new Arc office in FiDi! Now that everyone's back from their summer travels, come join us and some of our friends for drinks, some tacos, and terrace games!

Sept 16th, 2025 - AI Pioneers Happy Hour at The AI Conference

Time: 6:30pm - 9:30pm

Hosted by Together AI in San Francisco

Come join Together AI as we kick off The AI Conference in style at one of San Francisco's hottest rooftops!

Join Dan Fu, VP of Kernels and our team to relax and learn how research drives real-world advances in inference and training infrastructure.

Sept 17th, 2025 - Building Blocks

Time: 2:30pm - 8pm

Hosted by Notion in San Francisco

​Building Blocks is a half-day summit designed for a select group of startup founders and builders to go deeper on the playbooks shaping how startups build, monetize, and distribute products in the AI era.

​Hosted at the newly opened Notion HQ in downtown SF, the afternoon features conversations with world-class operators and founders, a live taping of First Block, and closes with a happy hour.

Sept 17th, 2025 - Hack Night at GitHub

Time: 4pm - 9pm

Hosted by GitHub in San Francisco

​​​​​Get ready for an exciting evening of hacking, networking, and innovation! Hosted at GitHub, Presented by Weaviate, this event is all about exploring the potential of AI and creating impactful solutions alongside fellow developers.

This is your chance to dive deep into the world of AI agents, connect with a vibrant developer community, and build something extraordinary.

Sept 17th, 2025 - AI x Product Design | Build Products, Not Screens

Time: 5:30pm - 7:30pm

Hosted by FlytBase in San Francisco

​​We're bringing together designers, builders, and product thinkers in San Francisco for an evening of AI × Product Design — to learn, share, and collaborate on how AI is reshaping our workflows.

Sept 18th, 2025 - Overnight Success: Meter

Time: 4:30pm - 6:30pm

Hosted by FPV Ventures in San Francisco

​​​Remember when everyone thought software would eat the world? Anil and Sunil Varanasi decided to build the infrastructure that software would run on.

​Now Meter powers the internet infrastructure for hundreds of companies like Brex, & Cursor. But back then? They were just two brothers working on something everyone said nobody needed.

Sept 18th, 2025 - Agentic Commerce

Time: 5:30pm - 8:30pm

Hosted by Skyfire in San Francisco

​Step into the future of commerce where AI agents transact securely and without friction.

​Hosted at Visa’s stunning Mission Rock office, this exclusive evening will gather the top minds from AI development, fintech innovation, and digital identity, alongside industry analysts, investors, and technology journalists.

Sept 18th, 2025 - Stateful Agents Meetup: Networks

Time: 5:30pm - 8:30pm

Hosted by Letta in Sunnyvale

​Explore the future of network operations with stateful AI agents, hosted by Nokia and Letta.

​Join the Letta team and Nokia for hands-on workshops and live demonstrations of stateful AI agents tackling network management and security challenges.

Sept 18th, 2025 - Pitch to the Valley

Time: 6pm - 8:30pm

Hosted by Beta University in Palo Alto

​Join us for a high-energy evening of rapid-fire pitches and live Q&A with 8 early-stage founders from across the Bay Area.

​Whether you’re scouting your next investment, seeking inspiration, or celebrating the founder community, this is your front-row seat to the future of startups.

Sept 18th, 2025 - Navigating the AI Gold Rush: Investor Perspectives on Startups

Time: 6pm - 9pm

Hosted by Snowflake in Menlo Park

​Join us for a high-energy evening of rapid-fire pitches and live Q&A with 8 early-stage founders from across the Bay Area.

​Whether you’re scouting your next investment, seeking inspiration, or celebrating the founder community, this is your front-row seat to the future of startups.

Sept 19th, 2025 - Voice Agent Hackathon

Time: 9am - 5:30pm

Hosted by AssemblyAI in San Francisco

​​Calling all voice agent builders in SF! AssemblyAI, LiveKit, and Rime, and Accel are joining forces to host an exclusive, one-day hackathon dedicated to building cutting-edge Voice Agents with our latest technologies.

Sept 22nd, 2025 - SF Awesome AI Dev Tools

Time: 5pm - 8pm

Hosted by GitHub in San Francisco

​​​You probably already know that AI is changing the world. Come learn about some of the awesome AI dev tools being worked on.

Sept 24th, 2025 - Unicorner Presents: Superpower Founder Fireside

Time: 5pm - 7:30pm

Hosted by Unicorner in San Francisco

​Join us for a fireside chat and deep dive with Max Marchione, founder of Superpower, the all-in-one health tracking platform.

Sept 25th, 2025 - Retro AI Arcade Night: Build the Game, Train the Player

Time: 6pm - 8:30pm

Hosted by Lightning AI in San Francisco

​​Join Lightning AI and Voltage Park for a hands-on evening where you will:

​🎮 Code a retro-style game (think Pong, Space Invaders, Pac-Man, Breakout, or Snake) in the Lightning platform, solo or with a team

​🤖 Train an AI agent on Voltage Park GPUs to play (and hopefully master) the game you just built

That’s it for this week!

Thanks for reading this week’s edition of SF Social Club. Have an event you’d like featured next week? Please shoot me an email at [email protected] to get it featured.