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Duolingo

Senior/Software Engineer II, Backend

Duolingo · Pittsburgh, PA

Posted 23 days ago

or apply directly on Duolingo's site. We never take the application ourselves.

Is this posting real?

This role has been open
23 days
Duolingo's roles stay open a median of 38 days
Reposted
No
Salary listed
No
0% of Duolingo's roles list one
Ghost-job risk at Duolingo
high
41 stale, 6 reposted of 89 open
Hiring momentum
119 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Duolingo's own greenhouse board since 2026-08-03. Full hiring picture for Duolingo.

About this role

As a Senior/Software Engineer II, Backend at Duolingo, you will work on developing and maintaining backend services and infrastructure, collaborating with product design and other teams. You will be involved in projects that enhance Duolingo's ads business or support AI functionalities, focusing on building reliable and scalable systems while taking ownership of complex technical challenges.

Our read on this posting2.6out of 5
benefits
1/5
freshness
4/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Duolingo as an employer.

What you need

  • 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

Nice to have

  • Industry experience building high-traffic APIs using public cloud providers
  • Experience with industry observability technology, such as OpenTelemetry, Grafana, Prometheus, or DataDog

Worth weighing

  • Salary range is provided but is subject to change; base salary supplemented by equity compensation
  • No specific benefits listed; candidates may need to inquire further about employee benefits
  • Role involves working with high-traffic systems and AI, which could be beneficial for skill development

Summarised from Duolingo's posting. Read the full original.

Listed by Duolingo on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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