San Francisco Tech News Today

Y Combinator-backed AI primary care startup Clara is hiring a growth engineer to scale patient acquisition and retention for its AI doctors. The San Francisco-based role requires full-stack expertise to own the entire user funnel, from building programmatic landing pages to managing lifecycle messaging and product analytics. Candidates will work directly with founders to ship code that impacts real patient health outcomes while ensuring all growth experiments remain HIPAA-compliant.

A new interactive web project allows users to freely explore a highly detailed, video game-style simulation of San Francisco, offering a fluid experience that many prefer over traditional mapping tools. Former residents have praised the project for its emotional nostalgia, using it to virtually revisit their old neighborhoods and recreate past walking routes. The community is also actively suggesting enhancements like teleportation, dynamic weather, and customizable avatars to further gamify the virtual city.

Y Combinator-backed startup Sixtyfour is hiring junior and early-career engineers to build AI agents for open-source intelligence and deep web research. The in-person San Francisco roles focus on designing scalable systems that transform basic inputs like names or emails into verified profiles of people and companies. Candidates will work across the stack to develop LLM reasoning, evaluate model accuracy, and build high-throughput data pipelines.

A new project named Isopolis reimagines San Francisco as a massive isometric pixel art map. The visualization was generated by a fine-tuned image model that redraws the city's actual 3D geometry tile by tile.

YC W25 startup SalesPatriot is building an AI-native platform to automate and modernize legacy defense, aerospace, and industrial supply chain operations. The company, which has raised over $10 million and processes $50 million weekly, is hiring Founding Full-Stack Engineers to relocate to San Francisco and work directly onsite with clients to implement and scale the technology.

A developer has created an immersive, highly detailed 3D web tour of San Francisco's Grace Cathedral using advanced Gaussian splatting technology. By combining thousands of interior and exterior photographs, the project produces a seamless model that runs smoothly across a wide variety of devices. The experience captures intricate environmental details so effectively that the cathedral plans to use it to showcase the space to prospective renters.

Weave Robotics is launching the Isaac 1, a privacy-focused, $7,999 mobile home robot designed and assembled in San Francisco. Deliveries for the device, which comes in five colorways and offers capabilities beyond simple household folding, are scheduled to begin in Fall 2026.

The United States Army Corps of Engineers Bay Model is a massive mid-century hydraulic structure located in a Sausalito warehouse that simulates the complex current flows of the San Francisco Bay. Originally built to study regional hydrology and later utilized by television shows like Mythbusters, the colossal physical scale model remains a celebrated engineering relic. The unique facility also features a museum dedicated to Marinship, the World War II shipyard that previously occupied the historic building.

Following decades of effort, a NOAA-funded project has removed the final barrier on Alameda Creek in the San Francisco Bay Area to restore critical fish passage. This milestone marks the culmination of long-term conservation initiatives to revive steelhead and Chinook salmon populations in a waterway that was once the region's largest producer of these species.

A San Francisco startup is facing a lawsuit after allegedly using Airbnb rentals as testing grounds for its robots, resulting in extensive property damage. Bay Area hosts claim the company's testers destroyed personal belongings and trashed the homes, prompting them to issue negative reviews to the guests involved.

A new social commentary game titled The Permanent Upper Crow explores the spread of an elitist philosophical virus throughout the San Francisco tech scene. The game critiques this exclusive subculture by examining how the permanent upper class mindset infects the local technology industry.