Database AI Startup Jobs

Fivetran builds automated ELT data pipelines with 700+ pre-built connectors that move data from SaaS apps, databases and files into cloud warehouses and lakehouses. In October 2025 it completed an all-stock merger with dbt Labs, adding data transformation and modeling to its movement layer for a combined entity approaching $600M ARR. Headquartered in Oakland, CA, it remains private and is the surviving brand with co-founder George Fraser as CEO.

VAST Data is an AI data platform company that provides a unified storage, database, and data management operating system designed to capture, enrich, and serve massive datasets for AI and enterprise workloads at scale.

Supabase is an open-source Firebase alternative providing a full backend-as-a-service platform built on PostgreSQL, including database, auth, realtime subscriptions, edge functions, storage, and vector embeddings for developers.

Attio is an AI-native CRM platform built for go-to-market teams. It combines flexible data modeling, real-time collaboration, and AI-powered workflows to help companies manage customer relationships and pipelines. Backed by GV, Redpoint, and Balderton, it serves over 5,000 customers including leading AI companies.

Render provides cloud infrastructure for developers to deploy, run, and scale applications, databases, static sites, and AI workloads.

Qdrant develops an open source vector database for semantic search and retrieval workloads in production AI systems.

Agentic BI and data-insights platform that unifies structured/unstructured data and answers with verified source retrieval.

Convex is a backend-as-a-service platform for modern web applications, combining reactive databases, server functions, and auth-ready infrastructure.

Ditto builds an edge synchronization platform and mobile database that keeps apps in sync even when devices are offline or intermittently connected.

PlanetScale is a managed database platform built on Vitess that helps developers ship MySQL workloads with branching, non-blocking schema changes, and global scale.

Pinecone is a fully managed vector database that makes it easy to add vector search to production applications, powering AI applications with fast and scalable similarity search at any scale.

Chroma builds open-source data infrastructure for AI, giving developers an embeddings database and retrieval layer to add memory, search, and state to LLM applications.

MotherDuck is a serverless cloud data warehouse built on the open-source DuckDB engine, enabling fast SQL analytics with no infrastructure to manage. The platform supports hybrid local-cloud execution, allowing analysts to query data seamlessly across laptop and cloud.

Fully managed change data capture (CDC) streaming platform that replicates production databases into data warehouses and lakes in real time. Trusted by Substack, ClickUp, and Alloy, processing over 700 billion rows annually.

Graphon AI is a pre-model intelligence layer that transforms enterprise multimodal data (documents, video, audio, logs, databases) into persistent relational memory using graphon mathematical functions. It enables LLMs and AI agents to reason accurately across unlimited connected data sources with larger effective context. The company was founded by researchers from Amazon, Meta, MIT, Google, Apple, and NVIDIA.

Spiral is a data infrastructure company that provides a multimodal data platform for AI, unifying governance and exposing a single API for every data modality including video, audio, geospatial, and text, engineered for machine-scale throughput to keep GPUs fully saturated.

Atlas Data Storage develops DNA-based data storage systems for ultra-long-term, resilient archival storage.

Nile is a Postgres backend for modern B2B SaaS applications, bundling multi-tenant primitives like auth, authorization, and tenant-aware data infrastructure.

Fully managed, multi-cloud DBaaS for enterprise data and AI workloads.

Open-source, ACID-compliant search & analytics database—an Elasticsearch alternative built on PostgreSQL.

Activeloop provides a data platform for AI and unstructured data, helping teams build, manage, and query multimodal datasets for AI search and model training.

Tinybird is a real-time data platform that enables data and engineering teams to build real-time data products and APIs at scale. The platform ingests, transforms, and serves large volumes of data with sub-second latency for analytics and operational intelligence.

Modern logging and observability platform for AI applications and engineering teams, offering fast log ingestion, search, and alerting with a columnar storage architecture.

Contextual AI provides an enterprise platform for building specialized RAG 2.0 agents that enable domain-specific AI applications with advanced retrieval-augmented generation technology.

DataLane is a New York-based data platform building an identity graph for every local business in America — a 'LinkedIn for the offline economy.' Its AI autonomously extracts, deduplicates, verifies, and connects data from hundreds of sources into structured business intelligence, delivered into systems like Salesforce and Snowflake. Customers include companies such as DoorDash, Square, and Paychex that need to find and verify real local business owners.

AI-assisted data exchange platform that helps teams collect, map, validate, and transform messy customer data before it enters core systems.

Liminary is an AI-native knowledge management platform that allows knowledge workers to save and retrieve research from multiple sources including web pages, PDFs, videos, emails, AI chats, and local files. It builds a personal knowledge graph to surface actionable insights for consultants, strategists, and professionals who need accurate, grounded research recall.

Mitosis Labs is a San Francisco human–AI interface company building Cortex, a private, encrypted personal memory system that connects apps like Google Workspace, WhatsApp and GitHub into a queryable knowledge graph that AI agents can use. It ships an SDK/CLI (`mi`), an MCP API, and encrypted backups so individuals own and control the data their agents rely on. Founded by Alex Morris and PJ (ex-Meta), it operates as a small self-funded team.

Momen is a full-stack no-code and AI development platform that lets non-technical founders build production-ready web applications and AI agents through drag-and-drop UI, a built-in relational database, and visual backend orchestration. Founded in 2019, it expanded to global web app hosting in 2022 and is backed by Sequoia, MiraclePlus, and Linear Capital.

Prisma builds an open-source ORM, Prisma Postgres, and related tooling for developers building modern data-intensive applications.

RisingWave Labs builds RisingWave, an open-source, Postgres-compatible streaming database for real-time stream processing and analytics. It lets engineers ingest events from Kafka, CDC sources, and other streams and query them with SQL and incrementally maintained materialized views. The company is headquartered in San Francisco and offers a managed RisingWave Cloud service.

Developer of the world's first DC data centers built exclusively for solar and wind power. Using proprietary chip design and smart controllers, Rune converts stranded and curtailed renewable energy into compute power at generation sites.

Xano is a scalable no-code backend platform that enables developers and non-developers to build APIs, business logic, and workflows without writing code.