Junior Software Engineer ($300k + 0.1% Equity) at fast-growing AI startup at Jack & Jill/External ATS

San Francisco, California, United States -

Full Time

Start Date

Immediate

Expiry Date

17 May, 26

Salary

300000.0

Posted On

16 Feb, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Python, Software Architecture, Reinforcement Learning, Simulation, Infrastructure Optimization, Computer Science Fundamentals

Industry

Staffing and Recruiting

Description

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network The next step is to speak to Jack. Junior Software Engineer Salary: $300k + 0.1% Equity Company Description: Fast-growing AI research startup Job Description: 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. Location: San Francisco, USA 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. 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. The ideal candidate: 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. Who are Jack & Jill? Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. Next steps Step 1. Visit our website. Step 2. Click 'Talk to Jack'. Step 3. Talk to Jack so he can understand your experience and ambitions. Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role. Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. Step 6. If not, Jack will find you excellent alternatives. All for free. We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

Responsibilities

The role involves designing and implementing complex Reinforcement Learning environments using Python to simulate real-world workflows for training AI models. Responsibilities also include collaborating with researchers and scaling infrastructure to meet the demands of AI laboratory clients.