Senior Software Engineer
$170k - $311kFull-time
Apollo.io
Apollo.io is the AI-powered go-to-market platform trusted by 500,000+ companies, combining the largest B2B contact database with agentic sales and marketing tools. The company is profitable and rebuilding its product around AI and agents. You'll own significant systems end to end with a high-bar, AI-native engineering team.
What you'll do
- Own significant systems and features end to end, from design through production and operation.
- Build and operate large-scale distributed systems, combining the right technologies (Kafka, databases, etc.).
- Break down hard, ambiguous problems and ship them with clear accountability for reliability, performance and cost.
- Build AI-native agent systems used by hundreds of thousands of people worldwide.
Requirements
- 5–8 years in backend / full-stack engineering building large-scale distributed systems.
- Experience operating systems at scale and choosing the right tools for the job.
- Comfortable with AI-assisted development as a core part of your workflow.
- Tech stack: React, Ruby on Rails, Python, MongoDB, Elasticsearch, Kubernetes, Docker, Terraform, GCP.
Compensation: $170K – $311K base (San Francisco) + 15% target bonus + competitive equity. Hybrid, 3 days in office. Open to visa transfers (e.g. H-1B, OPT).
Vacancy posted 3 days ago
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