Companies

⏱ 1 min read ElevenLabs is the leading AI voice-generation platform — TTS, voice cloning, dubbing, and a real-time conversational voice agent. Founded by […] Read interview guide

⏱ 1 min read Hex is the modern collaborative data-notebook platform — combines SQL, Python, no-code charts, and an AI assistant (Magic) for analysts Read interview guide

⏱ 1 min read Airbyte is the open-source data-integration leader — 350+ connectors, used by 40,000+ teams. Y Combinator alum, Series B. The interview Read interview guide

⏱ 1 min read Cockroach Labs builds CockroachDB — a globally-distributed, strongly-consistent SQL database inspired by Google Spanner. Founded by ex-Googlers (Spencer Kimball, Peter Read interview guide

⏱ 1 min read Astronomer is the company behind Apache Airflow — Astro is the managed Airflow platform plus Cosmos (dbt-on-Airflow), Astro Observe, and Read interview guide

⏱ 1 min read Sourcegraph is the code-intelligence platform — universal code search across repositories, plus Cody (an AI coding assistant). Used by Uber, Read interview guide

⏱ 1 min read PostHog is the open-source product-analytics platform — combines analytics, feature flags, A/B tests, session replay, and a data warehouse in Read interview guide

⏱ 1 min read Temporal is the durable-workflow platform spun out from Uber Cadence — used by Snap, Coinbase, Stripe, Datadog, and many others Read interview guide

⏱ 1 min read Qdrant is a leading open-source vector database written in Rust — used for semantic search, RAG, and recommendation. The cloud Read interview guide

⏱ 1 min read LlamaIndex is the leading data-framework for LLMs — focused on RAG, document parsing, and structured-data extraction. Plus LlamaCloud (managed indexing) Read interview guide

⏱ 1 min read Fireworks AI is a high-performance LLM inference platform — known for the FireAttention CUDA kernel work, fast Llama/Mixtral serving, and Read interview guide

⏱ 1 min read Vonage (now part of Ericsson) is a leading CPaaS platform — voice/SMS/video APIs plus a UCaaS arm. The interview emphasizes Read interview guide

⏱ 1 min read Lambda Labs is a leading GPU cloud and ML hardware provider — sells on-prem GPU servers (Lambda Vector, DGX-class) and Read interview guide

⏱ 1 min read LangChain is the most-used framework for building LLM applications — plus LangSmith (observability) and LangGraph (agent orchestration). Founded by Harrison Read interview guide

⏱ 1 min read Mistral AI is the leading European LLM company — known for open-weight models (Mistral 7B, Mixtral, Codestral) plus proprietary frontier Read interview guide