Senior Platform Engineer

<p data-renderer-start-pos="717" data-local-id="f562266b-4d9e-4b86-b23a-0a1820fdd18f">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!</p> <p data-renderer-start-pos="873" data-local-id="1c71a2a8-1a65-4a3f-aa77-e292b105e522">At Duolingo, you’ll join a team that cares about finding <a class="_ymio1r31 _ypr0glyw _zcxs1o36 _mizu1v1w _1ah3dkaa _ra3xnqa1 _128mdkaa _1cvmnqa1 _4davt94y _4bfu1r31 _1hms8stv _ajmmnqa1 _vchhusvi _kqswh2mm _ect4ttxp _syaz13af _1a3b1r31 _4fpr8stv _5goinqa1 _f8pj13af _9oik1r31 _1bnxglyw _jf4cnqa1 _30l313af _1nrm1r31 _c2waglyw _1iohnqa1 _9h8h12zz _10531ra0 _1ien1ra0 _n0fx1ra0 _1vhv17z1" href="https://blog.duolingo.com/tag/engineering/?utm_source=greenhouse.comutm_medium=referralutm_campaign=engblog_gh_091224" data-renderer-mark="true"><u data-renderer-mark="true">innovative solutions to complex technical problems</u></a>, 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. </p> <p data-renderer-start-pos="1329" data-local-id="26d7a4cb-d678-4820-9f8f-559592496143">Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.</p> <hr> <p style="text-align: left;"><strong>About the role...</strong></p> <p>As a Platform Engineer on the Compute team, you’ll improve how engineers build and run services, helping ensure our compute platform is reliable at scale for our learners and fellow Duo engineers.</p> <p>The Compute team builds and operates the core compute platform that powers our applications. We build paved roads (self-service platform primitives, templates, and tooling) and we operate them so product engineers can focus on shipping features with confidence.<br><br><br></p> <p><strong>🧠 You will...</strong></p> <ul> <li>Build and operate core compute primitives that power production workloads based on Kubernetes, across different regions and cloud providers. </li> <li>Improve the delivery pipeline from commit to production by evolving our GitOps and deployment patterns, making rollouts safer and faster.</li> <li>Raise the operational bar: define SLOs, build dashboards/alerts, write runbooks, and participate in on-call/incident response to keep the platform dependable.</li> <li>Enable effective self-service by turning platform capabilities into reusable abstractions.</li> </ul> <p> </p> <p><strong>✅ You have...</strong></p> <ul> <li>Strong problem-solving skills and experience delivering and shipping pragmatic solutions in production environments.</li> <li>Experience with distributed systems fundamentals (networking, service-to-service communication, failure modes, caching/storage concepts).</li> <li>Experience working on production systems (through industry roles, internships, or substantial open-source work).</li> <li>Experience with one or more CI/CD tools (Jenkins, Argo CD, GitHub Actions) and infrastructure management tools (Terraform, CloudFormation)</li> <li>Clear written and verbal communication skills—comfortable writing docs/runbooks and collaborating across teams.</li> <li>Functional knowledge of Linux system administration and automation<br><br><br></li> </ul> <p><strong>⭐ Exceptional candidates will have...<br></strong></p> <ul> <li>A Bachelor’s degree in Computer Science, related technical field, or equivalent practical experience</li> <li>Experience managing a production infrastructure on AWS, Google Cloud, Alibaba Cloud, or Azure.</li> <li>Exposure to multi-cluster or multi-region architectures and the operational patterns that make them reliable.</li> <li>Experience with service mesh / zero-trust networking patterns (e.g., Istio mTLS, traffic ma ... (truncated, view full listing at source)