About the role
We are looking for a Senior Software Engineer with 5-8 years of experience to design, build, and scale large distributed systems at Apollo's AI-powered go-to-market platform. You'll join a profitable, fast-growing company that's rebuilding its entire product around AI and agents, serving 500K+ companies worldwide. We want someone who has built and operated systems at scale, not just someone who knows the tools, but someone who knows when to use the right tools and can mix and match distributed systems to build something greater. You'll own significant systems end-to-end and work with a high-bar engineering team that treats AI-assisted development as a core part of how they work.
What will you be doing?
- Own significant systems and features end-to-end, from design through production and operation, serving hundreds of thousands of companies
- Build and operate large-scale distributed systems, selecting and combining the right technologies (Kafka, databases, etc.) to solve complex problems
- Break down hard, ambiguous problems and drive them to shipped outcomes with clear accountability for reliability, performance, and cost
- Build AI-native agent systems that are used by hundreds of thousands of people across the world
About Apollo
Apollo.io is the AI-powered end-to-end go-to-market platform that empowers sales, marketing, and revenue teams to find prospects, engage customers, and close deals with intelligence and efficiency. Trusted by millions of users and more than 500,000 companies worldwide, Apollo uniquely combines the industry's largest B2B contact database—over 210 million contacts and 35 million companies—with an AI-native GTM platform to help teams of any size deliver revenue growth at scale.
Apollo is profitable and growing fast, currently rebuilding the entire product around AI and agents. The company operates with a culture of extreme ownership, continuous improvement, and bold experimentation. Engineers are expected to use AI-assisted development as a core part of how they work, leveraging agents to move faster on design, investigation, and implementation.
At Apollo, the mission is to help customers unlock their full revenue potential. The team moves with focus and urgency, learns voraciously, and invests deeply in individual growth—providing the resources, support, and autonomy for every team member to own their role and make a real impact.
Required skills
Other roles at Apollo
Job details
Salary
$170,000 - $311,000
Location
San Francisco, United States
Experience
5+ years
Company
Funding
Total raised
$251.3M
Last stage
Growth
Investors
What happens next.
No applications, no recruiter spam. Just the intro.
Confirm the fit
A few questions to make sure this role is the right shape for you. Two minutes.
I pitch you to the company
I write the intro, send it to the founder, and handle the back-and-forth.
A meeting lands on your calendar
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.