Apollo.io
Apollo.io builds a go-to-market platform that pairs a large B2B contact database with sales engagement, enrichment, and sequencing tools for revenue teams. Offered as a SaaS subscription, it serves sales and marketing organizations that need prospect data and outbound automation; the company is privately held, founded in 2015, headquartered in San Francisco, and raised a Series D funding round in 2023.
Open Positions at Apollo.io
8 open positions
Staff Software Engineer who will set Apollo’s organization-wide technical direction, shape multi-year architecture bets, and guide the company’s AI- and agent-focused product rebuild. The role acts as a force multiplier across engineering through technical strategy, design, mentorship, and high-stakes decision-making.
Senior Backend Engineer II at Apollo.io will design and own highly scalable backend services in an AI-native engineering environment. The role combines end-to-end product development, architectural ownership, operational excellence, and close cross-functional collaboration.
Join Apollo.io’s Growth team as a Senior Software Engineer, building scalable product experiences, experimentation systems, and growth loops that measurably improve engagement and conversion. You’ll work across engineering, product, marketing, and data science in a highly collaborative, AI-native environment.
Lead Apollo's organization-wide technical direction, architecture, and AI-native engineering strategy as a Principal Software Engineer. You will shape high-stakes product and platform bets while multiplying the impact of senior engineers across teams.
Own and scale high-impact software systems at Apollo.io, solving ambiguous technical problems from design through production. You’ll work across teams in an AI-native environment using a modern Ruby, Python, React, and GCP stack.
Apollo.io is seeking a Senior Backend Engineer to design and deliver scalable distributed applications while owning projects across architecture, development, quality, and maintenance. You’ll work cross-functionally, mentor teammates, and improve performance, automation, and reliability across a Ruby-based backend stack.
Apollo is seeking a senior application security engineer to own secure SDLC improvements, threat modeling, vulnerability remediation, and developer security enablement. The role combines deep code-level security work with AppSec automation and securing AI-powered features.
Build scalable backend services, data pipelines, and distributed integrations that power Apollo.io’s AI-driven internal products. You’ll own projects end to end, improve system reliability and performance, and mentor engineers while working across a broad modern technology stack.