Full-Stack Software Engineer

Job details

Work model

On-site

Salary

Not listed by source

Location

San Francisco

Company website

docs.google.com

Job description

About Tacit We are an early-stage, deep tech startup based in San Francisco, developing innovative hardware that rethinks human-computer interaction. We are backed by General Catalyst, Khosla Ventures, and Greylock Partners, with a founding team from Stanford, BrainGate, Oculus, and Tesla. While we can’t reveal too much just yet, our team is tackling cutting-edge engineering challenges to bring revolutionary products to life. ABOUT THE ROLE We are looking for a full-stack software engineer to turn whiteboard ideas into magical, user-facing product experiences! You’ll own features end-to-end: from idea → prototype → user feedback → iteration → deployment, and work across our software stack. WHAT YOU'LL DO - Develop the internal product stack that powers our workflows and prototype experiences across devices and companion clients. - Build and expand our internal application for demos and data collection - the platform we’ll use to test ideas, validate UX, and refine product direction. - Prototype new features for novel HCI, iterate with in-house test users and external participants, and polish until it feels like magic. - Design and run product experiments (A/B tests, instrumentation, qualitative feedback loops) to learn quickly and make confident product decisions. - Streamline data collection pipelines and participant experiences (setup flows, session reliability, metadata capture, monitoring, labeling hooks). - Build demo features that showcase real-time sensing and inference in compelling, reliable ways. - Identify high-leverage integrations into existing workflows (how we use the system day-to-day; internal tools that make the team faster). - Create and extend automated testing + release infrastructure (CI/CD, smoke tests, regression checks) to support frequent iterations. - Collaborate daily with ML, hardware, and industrial design; own requirements and deliver high-quality results; debug, optimize performance, and ensure reliability. REQUIREMENTS - Strong proficiency in Python (FastAPI, Pydantic; comfort with pandas/numpy) and modern TypeScript/React. - Experience building production backends (APIs, data models, reliability/observability) and shipping user-facing features. - Have shipped multiple 0→1 products or ambitious side projects that real people use. Bonus points if involving real-time data, experiments, or analytics. - Independent work ethic, flexibility, and resourcefulness. - Effective communication and collaboration skills. - Comfortable in a fast-moving startup environment; excited to build independently and iterate rapidly. STRONG CANDIDATES MAY HAVE - Experience designing experiments / instrumentation (events, funnels, metrics, dashboards) and using results to drive product iteration. - Familiarity with CI/CD and automated testing practices for fast iteration cycles. - Experience with performance optimization and systems thinking (bonus: C/C++ for targeted native improvements, data encoding/transfer, drivers). - A strong product/design mindset and user-centered thinking. - 2+ years of experience in a Software Engineering role and a Bachelor’s degree or higher in a relevant field. COMPENSATION RANGE $130,000 - $190,000/year BENEFITS - Competitive equity package - Comprehensive medical, dental, and vision insurance - Company size: 30-50 people - Unlimited PTO - Visa sponsorship - 4% 401k matching

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