Senior Backend Engineer — Scale APIs & Growth Platforms

Duolingo; New York (NY); On-site; USD 183,000 - 247,000; Full time

Job summary

Duolingo, a leader in accessible language learning, seeks backend engineers to design, implement, and operate reliable, scalable systems across Monetization, Platform, and Growth. You will collaborate with product design and backend teams, develop and release robust services, and guide project priorities to ensure timely shipping.

Ideal candidates hold a bachelor’s in CS, excel in data structures/algorithms, and have experience with Java, Python, or Kotlin, plus database technologies and

Qualifications

• 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

Java/Python/Kotlin

Education

Bachelor’s degree in Computer Science or a related technical field

Tools

OpenTelemetry

Grafana

Prometheus

DataDog

Job description

Duolingo, a leader in accessible language learning, seeks backend engineers to design, implement, and operate reliable, scalable systems across Monetization, Platform, and Growth. You will collaborate with product design and backend teams, develop and release robust services, and guide project priorities to ensure timely shipping.

Ideal candidates hold a bachelor’s in CS, excel in data structures/algorithms, and have experience with Java, Python, or Kotlin, plus database technologies and