Full-Stack Software Engineer

TACIT, Inc.
San Francisco, CA, United States
3 months ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Experienced
Experience required
2 years minimum
Compensation
$120,000.0 - $180,000.0
Working hours
Regular working hours
Languages
Polish
Job source

Tech stack

A/B Testing Application Programming Interfaces (APIs) Automation of Tests C++ (Programming Language) Encodings Continuous Integration Software Debugging Python (Programming Language) NumPy Performance Tuning Software Engineering TypeScript
+4 more
ReactJS Fastapi Pandas Real Time Data

Job description

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., * 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., * 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.

Benefits & conditions

Health insurance, 401(k) matching, Vision insurance, 401(k) 3% Match, Dental insurance, Unlimited paid time off, Visa sponsorship, * Competitive equity package

  • Comprehensive medical, dental, and vision insurance
  • Company size: 20-30 people
  • Unlimited PTO
  • Visa sponsorship
  • 3% 401k matching

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