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.

About the role

As a Senior Site Reliability Engineer, you will work closely with both product and platform engineering teams to ensure Duolingo’s sophisticated distributed systems and products are built and maintained with extraordinary quality, and operated in measurable and scalable ways.

You will...

Collaborate with internal teams to identify sources of instability in distributed systems and drive operational excellence
Own core infrastructure (i.e understand, diagnose, and debug these systems in production)
Provide system design consulting, develop software platforms/frameworks, and conduct launch reviews and root cause analysis
Maintain and document sustainable postmortem/incident response practices
Advocate for and implement changes that improve reliability, scalability, and velocity
Reduce the burden of toil with iterative development of tooling and automation
Collaborate with engineering teams to release new features and become an authority on our services

You have...

3+ years of experience within site reliability engineering/DevOps of a product with millions of users
Experience identifying and solving issues in large-scale distributed systems
Experience with Java, Kotlin, Python or Go
Proficiency in networking protocols, such as TCP/IP, HTTP, SSL, DNS, etc
An understanding of containerization toolsets and container orchestration technologies (Docker, Mesos, Kubernetes, Nomad, etc)

Exceptional candidates will have...

Experience in improving automation and tooling to reduce service maintenance toil
Proven experience driving improvements to incident response processes
Experience assessing reliability and troubleshooting issues in MySQL and/or PostgreSQL databases

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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