You will lead the development of a core skill system for an agentic AI application. This role involves building the runtime, retrieval, and evaluation frameworks that allow the AI to learn how users work. You will bridge the gap between prompt engineering and systems code, creating a platform where agents truly capture human judgment and taste.
Software Engineer (Skills) at well-funded AI productivity startup
Join an elite founding team building the next generation of agentic AI. As a Software Engineer specializing in 'Skills', you'll own the system that allows AI to learn human procedures and judgment. We're moving past simple prompts to create a desktop application that truly understands how people work, from reviewing contracts to triaging inboxes. If you have deep experience with LLM evals, agent loops, and want to shape the future of knowledge work at a well-funded startup with founding-team scope, this is the perfect time to join.
What's the next step?
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Location
Remote
Compensation
Not Disclosed
Company
Confidential company
Role overview
About the company
Well-funded AI productivity startup
What you will do
- Architect the skill runtime, including discovery, retrieval, and composition within the agent loop.
- Develop automated pipelines that transform user session history into actionable, high-quality AI skills.
- Build comprehensive evaluation infrastructure to measure and improve skill performance across diverse task suites.
Who this is a fit for
- Proven experience building production-grade systems with LLMs, including retrieval-augmented generation and agent loops.
- Exceptional technical writing ability, capable of crafting precise instructions that define model behavior and judgment.
- Strong background in designing robust evaluation frameworks and a product-driven approach to agent-user interaction.
Why this role is remarkable
- Join an elite founding team with backgrounds from major tech companies and successful AI exits.
- Work at the frontier of agentic AI, moving beyond basic prompts to build complex, self-learning skill systems.
- High-impact role with meaningful equity in a well-funded startup backed by top-tier investors.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.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.
I recruit from Jack’s network and make the intro when I spot a great match.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.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.