Database AI Startup Jobs

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.

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.

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.

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

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

Aptos Labs is the core development studio behind the Aptos blockchain, a Layer 1 proof-of-stake network built by former Meta Diem engineers using the Move programming language. The company focuses on scalable, secure decentralized infrastructure and developer tooling like the Petra wallet.

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.

Mysten Labs is the core development company behind Sui, a high-performance Layer-1 blockchain built around an object-centric data model and the Move programming language. Founded by former Meta Diem/Novi engineers, it also builds Walrus decentralized storage, Seal encryption, and DeepBook on-chain trading infrastructure.

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.

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.

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.

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

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.

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

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

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.

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

Fly.io is a developer-focused public cloud platform that runs full-stack apps, databases, and persistent compute close to end users across a globally distributed network. Founded in 2017, it has shifted focus toward durable infrastructure for AI agents, with former Docker CEO Scott Johnston joining as CEO in 2026.

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.

Appwrite is an open-source Backend-as-a-Service platform that gives developers pre-built APIs for authentication, databases, storage, real-time messaging, and serverless functions. It positions itself as a self-hostable alternative to Firebase and Supabase, and offers a managed Appwrite Cloud offering.

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

Channel3 is building a universal, API-driven product graph—a database of every product on the internet—so AI agents can reliably search, recommend, and purchase products. Its catalog already spans 50 million products and includes built-in commission-based monetization for developers building agentic commerce experiences.

ClickHouse is an open-source column-oriented database management system built for real-time analytics on large-scale data. The company offers ClickHouse Cloud, a managed service used for observability, analytics, and AI-driven workloads by thousands of customers.

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.

Feldera builds an enterprise-grade incremental view maintenance engine that converts SQL queries into incremental programs, recomputing only changed data instead of full re-scans. Founded in 2023 by five former VMware Research scientists, its engine is built on DBSP, a VLDB Best Paper-winning mathematical framework for incremental SQL computation.

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

InsForge is a Y Combinator-backed (Spring 2026) startup building agent-native cloud infrastructure that lets AI coding agents like Claude Code, Cursor, and Codex provision and operate Postgres databases, S3-compatible storage, and compute directly. Originally an open-source backend-as-a-service alternative to Supabase, it pivoted to InstaCloud, a serverless control plane positioned against AWS, GCP, and Azure. Founded in 2025 by Hang Huang (CEO) and Tony Chang (CTO) in San Francisco.

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.

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

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