Senior Full-Stack Engineer (180,000 200,000 + Equity) at VC-backed AI software startup at Jack & Jill/External ATS

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 ($180000 - $200000 Equity) at VC-backed AI software startupJob Title:Senior Full-Stack EngineerSalary:$180000 - $200000 EquityCompany Description:VC-backed AI software startupJob Description:Join an innovative AI software startup building a simulation engine for adaptive software. Youll 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 USAWhy 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.Required Experience:Senior IC Key Skills Spring,.NET,C/C++,Go,React,OOP,C#,AWS,Data Structures,Software Development,Java,Distributed Systems Employment Type : Full-Time Department / Functional Area: Engineering Experience: years Vacancy: 1 Monthly Salary Salary: 180000 - 200000