Software Engineer II, Backend
Backend engineer building scalable infrastructure for Duolingo's short-form language lessons and ads systems. Requires CS bachelor's, strong algorithms/data structures skills, and experience in Java/Python/Kotlin.
As a Software Engineer, you will design and deliver secure, scalable AI integration platforms, connecting enterprise systems and powering mission-critical automation. You will contribute to the AI integration client ecosystem and own backend service design for high-throughput, low-latency APIs.
Backend engineer building scalable infrastructure for Duolingo's short-form language lessons and ads systems. Requires CS bachelor's, strong algorithms/data structures skills, and experience in Java/Python/Kotlin.
Design and build cloud backend microservices for reliable robot-to-cloud communication, fleet management, and telemetry. Requires 4+ years experience and proficiency in TypeScript, Java, or Python.
Builds scalable systems and APIs for Cash App's lending products, partnering with risk, compliance, and product teams to deliver credit access at scale. Requires 5+ years in complex systems, AI-first mindset, and expertise in backend technologies like Java/Kotlin and AWS.
Builds scalable backend services, APIs, and data pipelines for remote assistance platform enabling real-time communication with autonomous vehicles. Requires 3+ years experience with Go/Python, AWS, Kubernetes, and distributed systems.
Builds and maintains secure API-to-API integrations, database connections, and FHIR/HL7 workflows with EHR systems like Epic. Requires 3+ years backend experience with JavaScript, strong fundamentals, and remote collaboration skills in healthcare interoperability.