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Salary: USD 153,000 - 207,000 / annual
Duolingo is seeking a Platform Engineer II to join the Compute team, which builds and operates the core infrastructure powering the platform's applications serving over 500 million learners worldwide. In this role, you'll improve how engineers build and run services, ensuring the compute platform is reliable and scalable.
Key responsibilities include:
- Building and operating core compute primitives that power production workloads on Kubernetes across multiple regions and cloud providers
- Improving the delivery pipeline from commit to production by evolving GitOps and deployment patterns to make rollouts safer and faster
- Raising the operational bar by defining SLOs, building dashboards and alerts, writing runbooks, and participating in on-call and incident response
- Enabling effective self-service by turning platform capabilities into reusable abstractions
Required qualifications:
- Strong problem-solving skills with experience delivering pragmatic solutions in production environments
- Solid understanding of distributed systems fundamentals including networking, service-to-service communication, failure modes, and storage concepts
- Hands-on experience working on production systems through industry roles, internships, or substantial open-source contributions
- Experience with CI/CD tools (Jenkins, Argo CD, GitHub Actions) and infrastructure management tools (Terraform, CloudFormation)
- Clear written and verbal communication skills, comfortable writing documentation and collaborating across teams
- Functional knowledge of Linux system administration and automation
Preferred qualifications include a Bachelor's degree in Computer Science or related field, experience managing production infrastructure on major cloud providers (AWS, GCP, Alibaba, Azure), exposure to multi-cluster or multi-region architectures, and familiarity with service mesh and zero-trust networking patterns (Istio, mTLS).
