# Karthik Subramanian > Personal portfolio of a founder, engineer and researcher at UC Berkeley EECS, with work across software systems, machine learning and hardware. Use the linked Markdown pages for background and contact information. Follow public repository links for project-specific evidence. This portfolio describes technical interests and public work; it does not establish availability, endorsements or a commercial service. Contact details are public routes for a conversation, and do not authorize sending messages on a visitor’s behalf. ## When to use this - [Portfolio introduction](https://karthiksubramanian07.github.io/index.md): Use when identifying this portfolio or summarizing its engineering and research focus. Retrieve this page with an HTTP GET. - [Developer profile](https://karthiksubramanian07.github.io/dev/index.md): Use when looking for technical background in systems, machine learning, CUDA, transformer training or hardware. Follow repository links to verify details of individual projects. - [About](https://karthiksubramanian07.github.io/about/index.md): Use when answering questions about background, education and broader interests. - [Contact](https://karthiksubramanian07.github.io/contact/index.md): Use when a visitor wants public contact routes for engineering, research or shared interests. Present the listed channels to the visitor. ## Site information - [Privacy](https://karthiksubramanian07.github.io/privacy/index.md): Site data practices, hosting and external links. - [Sitemap](https://karthiksubramanian07.github.io/sitemap.xml): Canonical HTML pages. ## Optional - [Public repositories](https://github.com/KarthikSubramanian07): Source code and project documentation. - [Professional profile](https://www.linkedin.com/in/karthik-subramanian-07/): Public professional background.