Apollo.io, one of the fastest-growing AI-powered go-to-market platforms, is on the hunt for a Senior AI Engineer to help shape the next generation of intelligent business tools.
Founded in 2015, Apollo.io serves over 500,000 companies worldwide, offering access to more than 210 million contacts and 35 million businesses through its smart B2B platform. Valued at approximately $1.6 billion, Apollo has raised nearly $250 million in funding and is rapidly expanding its AI capabilities to redefine how teams sell, connect, and grow.
About the Role
The Senior AI Engineer will join the company’s AI Engineering team to design and deploy large language model (LLM)-powered systems — including conversational assistants, intelligent agents, semantic search, and automation workflows. This is a remote position, open to candidates based in the US or Canada.
Key Responsibilities
You’ll develop production-grade AI systems, build multi-agent architectures, integrate AI features into Apollo’s SaaS platform, and optimize performance through A/B testing and evaluation frameworks. The goal: deliver safe, scalable, and high-impact AI features to millions of users.
What They’re Looking For
-
8+ years in software engineering
-
1.5+ years hands-on LLM experience (GPT, Claude, Llama, etc.)
-
Strong Python and backend skills
-
Experience with LangChain or LlamaIndex
-
Cloud deployment on AWS, GCP, or Azure
Salary & Benefits
The role offers a competitive salary ($160K–$260K), plus equity, performance bonuses, full health coverage, flexible PTO, and more.
Apollo describes itself as an “AI-native” company — built for people who thrive in innovation, ambiguity, and high-impact engineering.
Read the full job description and apply here:
Senior AI Engineer at Apollo.io (Greenhouse)
