Duolingo

Senior Software Engineer, Backend

Duolingo • $182K — $247K *
Pittsburgh, PA 15237In-Person
Consumer Technology
Less than 5 years of experience
Reposted Today
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Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or 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
  • Industry experience with high-traffic APIs using public cloud providers (exceptional candidates)
  • Experience with observability technology (OpenTelemetry, Grafana, Prometheus, DataDog) (exceptional candidates)

Responsibilities

  • Collaborate on software projects involving design and backend components
  • Develop, release, and maintain backend services and infrastructure
  • Lead project priorities and milestones to ensure timely delivery
  • Scale new exercise types for enhanced learner experience
  • Re-architect systems to improve overall infrastructure efficiency

Benefits

  • Comprehensive benefits package for holistic employee well-being
  • Equity compensation included with base salary
  • Support for accommodations during interviews
  • Opportunities for professional growth in a collaborative environment
Full Job Description
We're looking for backend engineers who have experience building and operating reliable, scalable systems. Your background may be in product engineering, infrastructure, platform engineering, or a combination of these. What matters most is strong backend fundamentals, sound systems thinking, and the ability to take ownership of complex technical problems from design through production.
Below you can find more information about the team we're hiring for:

Ads:

Duolingo's Monetization pillar builds the systems that fund our mission - from subscription packaging and advertising to ML-powered personalization. As a Backend Engineer on the Ads team, you'll work on a product engineering team responsible for growing and scaling Duolingo's ads business: high-quality ads that delight learners, fit seamlessly into the product experience, and meaningfully contribute to our bottom line. The team owns ad serving, mediation and demand, in-product ad formats and surfaces, and more. You'll work cross-functionally with product, design, data science, machine learning, and ad operations.

You will...
  • 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


You have...
  • A 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


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


The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!

Salary Range:

$182,800-$247,300 USD

Benefits: Take a peek at how we care for our employees' holistic well-being with our benefits here.

Job Alerts: Sign up for job alerts here.

Accommodations: We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact [redacted].

About Duolingo

Duolingo is a language-learning platform that includes a language-learning website and app, as well as a digital language proficiency assessment exam. The company was founded in 2011 by Luis von Ahn and Severin Hacker. Duolingo offers courses in over 40 languages, including Spanish, French, German, Italian, and Chinese. The platform is free to use, but users can pay for additional features. Duolingo has won numerous awards for its innovative approach to language learning.
Learn more about Duolingo
Size
400 employees
Market Cap
$2.7 billion
Industry
Education, Government & Non-Profit
Founded
2011
NASDAQ
DUOL
* Ladders Estimates

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