Join a high-velocity engineering team building an agentic OS for sales that closes the loop between behavior and execution. You will ship full-stack features across Next.js and Node.js, owning your code from database to UI. This role offers the chance to drive immediate impact for global enterprise clients within a rapidly scaling, well-funded Series A startup environment.
Full Stack Engineer at Series A sales tech startup
As an early engineer, you will have massive ownership over the product and infrastructure, working directly with founders to build features that drive six-figure contracts. If you thrive in high-stakes environments and want to see your code deployed to thousands of users weekly, this is your chance to build at the intersection of AI and revenue activation.
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Location
San Francisco, United States
Compensation
$200k-$220k + Equity
Company
Confidential company
Role overview
About the company
Series A sales tech startup
What you will do
- Build and scale features end-to-end using Next.js, React, Node.js, and TypeScript across both PostgreSQL and MongoDB.
- Take full ownership of the stack, managing everything from UI implementation to AWS infrastructure and production CI/CD pipelines.
- Partner directly with the founding team to scope product features and iterate rapidly based on direct customer feedback.
Who this is a fit for
- Proven experience shipping production-grade code in fast-moving, high-growth environments or as a previous startup founder.
- Expertise across the modern TypeScript stack with the ability to diagnose and fix architectural root causes independently.
- A low-ego, high-output professional who prefers direct feedback and takes pride in delivering polished, high-impact features.
Why this role is remarkable
- Work at the frontier of agentic AI with a company that recently 5x’d its ARR and is growing 20% month-over-month.
- Join a well-funded Series A startup backed by top-tier VCs, offering meaningful early-stage equity and potential for wealth creation.
- High-impact environment where you ship weekly and see your features used by thousands of reps at the world’s largest enterprises.
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.