Founding AI Engineer

Reposted 14 Days Ago
Santa Monica, CA
In-Office
175K-250K Annually
Mid level
Sales • Software
The Role
As an AI Infrastructure Engineer, you will design and build systems for AI products, optimizing performance and supporting sales operations.
Summary Generated by Built In
At Kixie, we’re building a modern, all-in-one sales engagement platform that helps teams work smarter and close deals faster. Our cloud-based calling and texting solution integrates seamlessly with leading CRMs like HubSpot, Salesforce, and Pipedrive to streamline workflows, automate outreach, and provide real-time insights and reporting. Designed to support both sales and support teams, Kixie enables reps to take the right action at the right time—boosting efficiency, consistency, and impact. If you’re excited to shape the future of sales technology, we’d love to hear from you.

Overview

As our first Foundering AI Engineer at Kixie, you’ll play a foundational role in designing and building the critical systems that power our next-generation AI products. From core agent execution layers to specialized memory pipelines, your work will be at the heart of making AI smarter, faster, and more reliable.

If you’re passionate about scaling AI systems, optimizing performance, and building infrastructure that pushes the boundaries of what’s possible, we’d love to meet you.

You’ll Work On

  • The AI engine that turns sales teams into 24/7 revenue machines. (EX: A plumber’s best lead opens an email at midnight → your system chooses: AI calls now, rep at 7 AM, or trigger the closing sequence.)
  • Architecting prompt router + agent API layer
  • Building eval loop with feedback signals from calls, CRM, SMS
  • Plugging into our existing backend (Node.js + Typescript) with scoped AI modules
  • Deploying agents with clear scoring, fallback, and traceability
  • Designing infra to scale across verticals like insurance, lending, and solar

What You Bring

  • Shipped LLM products that moved revenue
  • Can diagram lead → score → action in <50ms
  • Know why most AI SDRs fail — and how to fix it
  • Optimize for customer dollars, not model metrics

Requirements

  • 4+ years in backend, infra, or systems roles (Python, Node, Go)
  • Strong hands-on experience with OpenAI/Anthropic APIs, LangChain, RAG
  • Built something live using prompt orchestration, eval scoring, or fallback flows
  • Ability to move fast, own infra end-to-end, and deliver results in production
  • Bonus: startup experience, vertical SaaS, or voice/text agent background

Why Now

  • We’re a growth stage profitable software company, but still running lean
  • You’ll own everything from architecture → live agent → first eval loop
  • 10 years of call data + CRM + vertical-specific GTM = compounding moat
  • The team is fast, clear, and serious about building the category 

Why It Matters

  • Everyone’s building “AI for sales. ”You’re building AI that sells — the orchestration layer that replaces broken workflows. A roofer competes with a Fortune 500 team. David beats Goliath.

Benefits and Perks

  • Comprehensive Benefits – Medical, dental, and vision insurance
  • Unlimited PTO + generous sick leave, and paid holidays
  • Pet-Friendly Office – so your furry friends can be part of your workday
  • Free Parking – Secure garage parking on the Promenade
  • Career development opportunities and continuous learning
  • Join a dynamic, collaborative, and supportive team environment

Ready to Apply?
We’d love to learn more about you! Please click the link below to complete a short series of questions designed to help us get to know your background, experience, and fit for the role.




Top Skills

Anthropic Apis
Go
Langchain
Node.js
Openai Apis
Python
Rag
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The Company
HQ: Santa Monica, CA
56 Employees
Year Founded: 2013

What We Do

Kixie is the leading sales engagement platform that boosts sales team performance with ultra-reliable, easily automated calling and texting for Hubspot, Salesforce, Pipedrive and other leading CRMs.

Kixie connects agents to prospects naturally and automatically, reveals valuable insights about conversations and provides truly dependable service. The platform includes the PowerCall dialer & mobile apps, Automations, Analytics and Contact Center.

With Kixie, sales teams have the power to achieve their most ambitious goals. It's better sales, made simple.

Kixie is for sales agents:

We've revolutionized how salespeople engage with prospects, making it automatic and natural. Kixie engages leads when *they* are engaged. In the past, agents simply dialed through a list of numbers, hoping to get someone on the phone.

Those 👏 days 👏 are 👏 gone 👏.

There are more ways to communicate than ever. People are busier than ever. Kixie helps break through the noise and close deals.

Kixie is for sales managers:

With Kixie, sales managers coach and develop stronger teams that close more opportunities. It's a powerful ally.

Kixie helps apply past learning to new deals to ensure agents are communicating the right message at the right time, closing as many opportunities as possible.

Kixie is for business calling & texting:

At its core, Kixie is a world-class Contact Center designed to help sales teams, anywhere, prosper.

Ever heard a sales agent say something like, “If I can just get a lead on the phone, I close the deal nearly every time!” 🤔 The modern sales organization needs more than a dumb dialer. They need an intelligent platform that proactively helps agents connect with leads.

With Kixie agents are always one step ahead — start putting it to work for you in just minutes. Try it free at kixie.com.

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