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Job listing

San Francisco, United States$300k + 0.1% Equity

Junior Software Engineer at fast-growing AI startup

Are you a high-potential junior engineer looking to break into the AI sector with a $300k base salary? This fast-growing AI startup is hiring Junior Software Engineers in San Francisco to build the RL environments that train the world's most advanced models. No prior ML experience is required—just elite Python skills and a passion for automation. Join a well-funded team working at the forefront of the industry and help build the infrastructure that will power the future of the economy. This is a unique opportunity to skip the corporate ladder and work directly on the most impactful technology of our time.

Overview

Role overview

Join an elite engineering team building reinforcement learning environments designed to train the next generation of AI models. You will develop sophisticated simulations that enable AI to perform complex real-world tasks, directly supporting the world's leading AI labs. This is a rare opportunity to enter the high-stakes world of AI safety and capability at the ground floor.

Company

About the company

Fast-growing AI research startup

Responsibilities

What you will do

  • Design and implement complex RL environments in Python to simulate real-world workflows.
  • Collaborate with world-class researchers to refine model training data and simulation fidelity.
  • Scale and optimize infrastructure to meet the demands of enterprise-level AI laboratory clients.

Candidate profile

Who this is a fit for

  • Strong proficiency in Python and solid fundamentals in computer science and software architecture.
  • Recent university graduate or professional with 0-2 years of software engineering experience.
  • Highly motivated individual eager to learn; no prior machine learning or AI experience is required.

What makes it remarkable

Why this role is remarkable

  • Exceptional compensation package of $300k for an entry-level software engineering position.
  • Work at the cutting edge of reinforcement learning by building the infrastructure used by top-tier AI labs.
  • Join a well-funded, high-talent density team focused on the mission-critical goal of full economic automation.

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How Jack & Jill work together

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