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Senior Kotlin engineer designing and scaling backend services for ad-tech platforms using Kotlin, Java, Spring Boot, and Kafka in Minneapolis.
Build and scale backend systems for Affirm’s fintech platform using Python or Kotlin, focusing on checkout and merchant integrations while leading engineering teams.
Build and scale backend systems for Affirm’s credit platform using Python or Kotlin, AWS, MySQL, and Kubernetes to power payments, onboarding, and integrations.
Owns backend systems at Affirm, designing scalable Python/Kotlin services on AWS/Kubernetes while collaborating with product and design to deliver reliable financial infrastructure.
Build and optimize native iOS and Android apps using SwiftUI and Jetpack Compose, while developing Kotlin-based backend services with Spring Boot.
Lead iOS engineering at a public-safety software company, owning the mobile roadmap and shaping cross-platform strategy with Swift and Kotlin while mentoring engineers.
Designs and builds native iOS/Android apps with SwiftUI and Jetpack Compose, and develops backend services using Kotlin and Spring Boot.
Build and maintain Android apps in Kotlin with Jetpack Compose, writing tests with Espresso/UI Automator and integrating with backend APIs in an Agile team.
Builds and maintains Android apps in Kotlin using Jetpack libraries, writes tests, and collaborates in Agile teams to ship polished, performant mobile software.
Builds and maintains an Android RFID scanning app in Kotlin and Jetpack Compose, integrating Zebra device SDKs and handling barcode/RFID reads with offline caching.
Build and maintain Java-based APIs and AWS services for a client-facing backend system, including on-call support, deployment pipeline maintenance, and feature development.
Builds and polishes 3D interactions for Android XR, integrating animations and graphics across the XR stack using Kotlin/Java and C++.
Senior Android Engineer builds and maintains Kotlin/Java mobile apps using MVVM/clean architecture, collaborating with teams to deliver scalable solutions and improve performance.
Develop and maintain the Android-based in-vehicle infotainment display and graphics stack, ensuring smooth, high-performance visuals across multi-display automotive systems using SurfaceFlinger, Hardware Composer, and Linux/Wayland stacks.
Build and optimize Android growth surfaces for Perplexity’s AI products, running experiments across the funnel from installs to retention and in-app purchases.
Builds and leads the frontend architecture for Greenlight’s web platform using React, Next.js, and TypeScript, translating mobile features to polished web experiences while driving engineering standards and reducing technical debt.
Build and maintain backend systems for Affirm’s financial infrastructure using Python or Kotlin, AWS, MySQL, and Kubernetes.
Builds and evaluates AI-generated code solutions, focusing on Android and web technologies like Kotlin, JavaScript, and Python.
Builds Android apps and backend APIs for a tech-research company, focusing on search, indexing, and AI integrations using Java/Kotlin and Android SDK.
Role Overview We're building a new engineering team at Ethena to own a money-movement product built on top of our stablecoin infrastructure. As the Staff/Senior Engineer, you own the correctness and evolution of…
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