Java, Kotlin, Nfc, Smartcards, Trusted execution environments, Cross-process communication in Android, Hardware integration on Android, Large-scale application design and architecture

LLMs (Claude, Gemini), Data structures, Tensorflow, Algorithms, Typescript, System Design, Kubernetes, Computer Vision, GPT, AWS Rekognition, CI/CD

AWS, Npm, Sass, Java, HTML, Express, Node, CSS, Rust, Typescript, Rest Apis, React, Freemarker, Docker, Nginx, Git, Javascript