Gravity Brands

Gravity Brands

Staff Software Engineer

San Francisco · Staff+

H1B sponsorship available$200k-$300kDetected 71 days ago
TypeScriptPythonNext.jsFastAPIFull-Stack DevelopmentMongoDBRedisVector DatabasesAWSMachine LearningLLMsDesign Systems

About the role

  • We match ads to conversational context in real time using ML scoring models and generate ad text with LLMs.
  • We've raised our seed round led by Caffeinated Capital and Basis Set Ventures and are scaling fast.
  • This is foundational internet infrastructure being built from scratch.

Responsibilities

  • Build and scale a real-time ad auction engine handling millions of requests per day.
  • Design systems that integrate LLMs into production Ad generation pipelines.
  • Build event pipelines, attribution systems, and analytics infrastructure on AWS and Redshift.

Requirements

  • A bias toward building fast and shipping over process.
  • A need to move fast and a low tolerance for nonsense.

Nice to have

  • Ship ML models for relevancy scoring, CTR prediction, and value-based bidding.
  • Work across the full stack
  • Python/FastAPI backend, TypeScript/Next.js frontend, vector databases, Redis, PostgreSQL.
  • Ship new features daily.
  • Make lots of decisions quickly.
  • Take ownership of entire systems end to end.
  • 3+ years of software engineering experience, ideally with ML systems, ad tech, or high-throughput backend.
  • Familiarity and deep interest in the rapidly changing capabilities of LLMs.

Compensation

  • $200,000 - $300,000 USD salary

Benefits

  • 0.5% - 1.5% equity
  • Health benefits

Company info

  • Gravity is an early-stage company with a focused, high-output culture.
  • We work six days a week in person.
  • We hire strictly for competence and give people full ownership over hard problems.
  • There is no middle management and no process for the sake of process.
  • Gravity was founded by Zach Oldham and Leo Martinez.
  • We're backed by Caffeinated Capital and Basis Set Ventures.

Visa & Work Authorization

  • We sponsor visas for exceptional candidates worldwide
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This listing is sourced directly from Gravity Brands's careers page and normalized into a canonical job model.