AI-Native Senior Backend Engineer

Apollo.io; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Apollo.io is seeking a Senior Backend Engineer in the United States to help build highly scalable systems in an AI-native environment. You will own backend services end-to-end, from design to deployment, and contribute to performance, reliability, and observability.

You will collaborate daily with product, design, analytics, and other engineering teams to deliver robust features, improve code quality, and drive best practices across the organization.

Qualifications

• Minimum 5+ years of backend development experience.
• Fluency using AI tools in real development work and judgment to verify output.
• Experience developing distributed web applications and APIs.
• Strong CS fundamentals, data structures and algorithms, OOD.
• Experience with RESTful services and database modeling (SQL/NoSQL).

Responsibilities

• Design and implement scalable backend services with proper monitoring.
• Ramp quickly into large, unfamiliar codebases and ship with confidence.
• Use AI as a core part of the workflow: generate, pressure-test, verify outputs.
• Own full software lifecycle from requirements to maintenance.
• Collaborate with PMs to translate product intent into technical decisions.
• Mentor teammates and drive engineering best practices.

Skills

AI-native engineering

Backend development

Distributed web apps

RESTful services

Observability & monitoring

Code quality & ownership

Education

BS/MS in Computer Science or related

Tools

Kubernetes

Docker

GCP

MongoDB

Redis

Job description

Apollo.io is seeking a Senior Backend Engineer in the United States to help build highly scalable systems in an AI-native environment. You will own backend services end-to-end, from design to deployment, and contribute to performance, reliability, and observability.

You will collaborate daily with product, design, analytics, and other engineering teams to deliver robust features, improve code quality, and drive best practices across the organization.