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Backend Engineer (빗썸페이)
Build and run backend services for a new fintech payments product at a leading Korean crypto exchange using Kotlin/Java and Spring.
Head of Mobile
Lead the mobile team building the BUSY App for iOS, Android, and wearables, defining architecture and processes to ship high-quality features quickly.
Senior Software Engineer ll, Core Engineering
Senior backend engineer building low-latency, high-scale fraud-decision systems and APIs that process billions of daily requests for global merchants.
Lead Full Stack Engineer: fan3
Lead a greenfield full-stack build using Next.js/React on Google Cloud + Firebase, deploying via Vercel, while integrating AI tools and web3/NFC features for a music-fan platform.
Android Platform Engineer - 3D Vision & Beam
Optimize Android’s platform for high-bandwidth 3D video streams and hardware abstraction layers, building mobile software used by billions.
Senior Software Engineer, Android — AI-Native Client Platform
Build and maintain NewsBreak’s Android platform, using Kotlin and Jetpack Compose to ship AI-assisted features across flagship and new apps while setting engineering standards for AI-driven development.
Software Engineer Internship, Android
Build and ship new features for Ramp’s Android app using Kotlin, Compose, and modern mobile patterns, collaborating with product and design teams to improve spend-management tools.
Software Engineer, Android Platform, Google Beam
Builds Android platform components for Google Beam, optimizing OS for 3D video streaming and hardware integration with low-latency networking.
Senior Android Architect — AI-Driven Kotlin & Compose
Architect and build scalable Android apps in Kotlin/Compose, guiding AI-assisted development and ensuring robust, reusable architecture for a flagship news app.
Android Engineer Internship — Build Scalable Mobile Apps
Build and ship Android features for a fintech app using Kotlin and Android SDK, from design to production.

Senior Android Engineer
Build and lead Android apps (KDS, Consumer, POS/Kiosk) for Revi’s in-store digital platform, shaping how consumers interact with physical retail using Kotlin and modern architecture.
Senior Mobile Applications Engineer (Android)
Build and own Android features for NETGEAR’s networking apps, integrating with embedded and cloud systems while using AI tools throughout the SDLC.

Senior Mobile Engineer (Android)
Senior Android engineer at EarnIn builds and optimizes mobile growth features in Kotlin, working cross-stack with iOS/backend/web to drive user acquisition and retention using AI tools and data-driven experiments.
Sr Software Developer
Build and lead scalable, secure financial systems using modern cloud-native tools and full-stack development, while mentoring teams to improve reliability and member experiences.
Senior Java Developer (Azure)
Build and mentor a team to deliver scalable Java services on Azure using Spring, Kafka, Kubernetes and DevOps practices.
Lead Mobile Engineer - contract - outside IR35
Lead a team of mobile engineers to design, build, and deliver high-performance iOS/Android apps, setting technical direction and driving best practices in architecture, CI/CD, and cross-platform collaboration.
Senior Android / Mobile Warehouse Apps Engineer
Senior Android engineer building warehouse-focused mobile apps for scanning, inventory, and logistics workflows on rugged devices with offline support and API integrations.
Software Developer 2
Builds scalable applications using C# .NET, Java, JavaScript, Angular, Node.js, and other languages; works in an Agile team to deliver features with strong code quality and problem-solving skills.