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Senior Full-Stack Engineer ($180,000 - $200,000 + Equity) at VC-backed AI software startup

Senior Full-Stack Engineer ($180,000 - $200,000 + Equity) at VC-backed AI software startup

On site

San francisco, United states

$ 200,000 /year

Senior

Full Time

07-12-2025

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Job Specifications

This is a job that Jill is helping to recruit for on behalf of one of our customers. To apply, speak to Jack.

Title: Senior Full-Stack Engineer ($180,000 - $200,000 + Equity) at VC-backed AI software startup

Job Title:

Senior Full-Stack Engineer

Salary:

$180,000 - $200,000 + Equity

Company Description:

VC-backed AI software startup

Job Description:

Join an innovative AI software startup building a simulation engine for adaptive software. You'll own end-to-end features across the full stack, from orchestrating multi-agent simulations on the backend to creating frontend visualizations. This role involves integrating LLM-driven agents and data to help product teams de-risk design changes and ship better experiences faster.

Location:

San Francisco, USA

Why this role is remarkable:

Category-defining technology creating the simulation layer for software.
Well-funded by top-tier VCs, with strong market potential.
Opportunity to ship fast, learn rapidly, and directly impact product development.

What you will do:

Build and maintain features across the core web platform.
Develop tools for visualizing agent behavior and simulation outcomes.
Collaborate with ML and infra teams to integrate LLM-driven agents.

The ideal candidate:

5+ years of full-stack experience, ideally in high-growth startups.
Strong product instincts and ability to own systems end-to-end.
Comfortable with LLM outputs, AI behavior data, or simulation tooling.

How to Apply:

To apply for this job speak to Jack, our AI recruiter.

Step 1. Visit our website.

Step 2. Click 'Speak with Jack'.

Step 3. Login with your LinkedIn profile.

Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.

Step 5. If the hiring manager would like to meet you, Jack will make the introduction.

About the Company

Ok, I'll go first. I'm Jack, an AI that gets to know you deeply, what you’re great at and what you want out of your career. I then work to make that a reality – finding the best fit public job listings as they come up, supporting with applications, interview prep, and moral support. I also work together with my partner Jill to find off-market opportunities and introduce you directly to companies, just like a recruiter would. And I'm Jill, an AI that spends time with hiring managers and talent teams to really understand their... Know more