Senior Software Engineer, Backend
Role Overview
This senior backend software engineer role on the DevX AI team at Duolingo involves building and improving AI-driven developer tools to streamline engineering workflows. Day-to-day responsibilities include developing, releasing, and maintaining backend services and infrastructure, with a focus on integrating AI into the software lifecycle and production MCP infrastructure. The hire will lead individual project priorities, collaborate on software projects with product design aspects, and impact the efficiency of Duolingo's engineering organization through reliable, usable tools.
Perks & Benefits
The role offers a competitive salary range of $177,700 to $240,400 USD, with equity compensation and world-class benefits, including holistic well-being support. It provides limitless learning opportunities, mentorship, and collaboration with world-class minds in a data-driven, innovative culture focused on meaningful projects. While the location is listed as Seattle, WA, the job board context suggests it's remote-friendly, likely with flexible time zone expectations typical for tech roles, and emphasizes a supportive environment with accommodations for interviews and equal opportunity employment.
Full Job Description
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!
At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that’s both fun and meaningful.
Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.
Below you can find more information about the teams we're hiring for:
DevX AI Team
The DevX AI team empowers engineers at Duolingo to be more effective by introducing AI-infused tools that simplify workflows and reduce friction and toil. As a Software Engineer II on the team, you’ll contribute to building and improving AI-driven developer tools used across Duolingo’s engineering organization. You’ll work on projects that improve day-to-day developer workflows. You will help build and maintain systems that integrate AI into the software lifecycle, including contributing to production MCP infrastructure that connects to AI coding agents, with a focus on reliability, usability, and measurable impact.
:brain: 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
- Experience onboarding AI tools and changing engineering processes
- Focus on streamlining engineering processes with AI tools
:check: You have...
- A 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
:star: Exceptional candidates will have...
- Industry experience building high-traffic APIs using public cloud providers
We post a multi-level salary range for all of our roles.
This is not inclusive of the rest of our awesome portfolio that includes equity compensation and world-class benefits. Our salary ranges are the same for all US locations. Your recruiter can share more details about the range for a specific level during the hiring process. The actual salary within the range is determined by many factors including but not limited to, skills, experience, education, and internal equity.
Salary Range:
$177,700—$240,400 USD
Take a peek at how we care for our employees' holistic well-being with our benefits here.
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 accommodations@duolingo.com.
Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.
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