Senior Backend Engineer: Scalable Systems & AI Platform

Duolingo; Pittsburgh (Allegheny County); On-site; USD 183,000 - 247,000; Full time

Benefits offered by this job

Benefits package

Accommodations support

Job summary

Duolingo is seeking backend engineers who can build and operate reliable, scalable systems. The role spans the Ads and AI Platform teams, offering work on high-traffic APIs, data-driven experiments, and collaboration with product, data science, and design.

You will own components from design through production, contribute to our evolving platform, and help grow an engineering culture that moves fast while shipping quality software.

Qualifications

• Bachelor's degree in Computer Science or a related technical field.
• Strong competencies in data structures, algorithms, and software design.
• Experience programming in Java, Python, or Kotlin.
• Solid understanding of one or more database technologies.

Responsibilities

• Collaborate on software projects with product design and backend aspects.
• Develop, release, and maintain backend services and/or infrastructure.
• Lead individual project priorities, milestones, and ensure we're always shipping.

Skills

Data structures

Algorithms

Software design

Java

Python

Kotlin

Databases

Education

Bachelor's degree in Computer Science or related field

Tools

OpenTelemetry

Grafana

Prometheus

DataDog

Job description

Duolingo is seeking backend engineers who can build and operate reliable, scalable systems. The role spans the Ads and AI Platform teams, offering work on high-traffic APIs, data-driven experiments, and collaboration with product, data science, and design.

You will own components from design through production, contribute to our evolving platform, and help grow an engineering culture that moves fast while shipping quality software.