company name description stage careers
100ms Video conferencing and live streaming APIs. private (series A) jobs page
Abbey Access governance with Terraform. private (seed) jobs page
Ably Realtime application infrastructure. private (series B) jobs page
Acceldata Data observability. private (series C) jobs page
Activeloop Data lake for deep learning. private (seed) jobs page
Aerospike NoSQL low latency data store. private (series E) jobs page
Agora Voice, video, messaging and streaming APIs. public (NASDAQ: API) jobs page
AI21 Labs Natural Language Processing tools. private (series C) jobs page
Airbyte Open source data integration and pipeline. private (series B) jobs page
Airplane Developer platform for internal tools. private (acquired) jobs page
Aiven Managed open source cloud data platform. private (series D) jobs page
Algolia Search API as a service. private (series D) jobs page
Alpaca Stock and crypto trading API. private (series B) jobs page
Anthropic Large language models (LLMs). private (series D) jobs page
Anyscale Large language model (LLM) infrastructure. private (series C) jobs page
APIMATIC Autogenerated SDKs and example code for APIs. private (seed) jobs page
Apollo GraphQL platform. private (series D) jobs page
Archera Cloud cost control. private (series A) jobs page
Arize Machine learning model observability. private (series A) jobs page
Arnica Application and code security tools. private (seed) jobs page
AssemblyAI Speech AI models via a web API. private (series C) jobs page
Astronomer Airflow data pipelines. private (series C) jobs page
Authentik Security User identity management platform. private (seed) jobs page
Bandwidth Communications platform-as-a-service. public (NASDAQ: BAND) jobs page
Baseten Inference platform for AI models. private (series B) jobs page
BentoML Inferencing provider for AI models. private (seed) jobs page
Bird Communications platform-as-a-service (PaaS). private (series C) jobs page
Bitrise Continuous integration and delivery for mobile. private (series C) jobs page
Blobr E-commerce for APIs. private (seed) jobs page
Bodo Parallel computation for data analytics. private (series A) jobs page
Braintrust LLM prompting and evaluation. private (seed) jobs page
Bright Data Data scraping and collection. private (private equity) jobs page
BrowserStack App and browser device simulation testing. private (series B) jobs page
Bubble Low code / no code application builder. private (series A) jobs page
Bugcrowd Crowdsourced security via bug bounties. private (series E) jobs page
BuildBuddy Hosted Bazel continuous integration. private (seed) jobs page
Buildkite Continuous integration pipeline platform. private (series A) jobs page
Bump API creation tools. private (pre-seed) jobs page
Carto Spatial data analysis platform. private (series C) jobs page
Cast AI Cloud computing cost controls. private (series B) jobs page
CData Real-time data sync. private (series C) jobs page
Census Data activation platform for data warehouses. private (series B) jobs page
Chainguard Software supply chain security. private (series B) jobs page
Chainlink Decentralized computing platform. private (series C) jobs page
Chalk Machine learning infrastructure. private (seed) jobs page
Chameleon In-product walkthroughs and analytics. private (series A) jobs page
ChaosSearch Data indexing for input into analytics. private (series B) jobs page
Checkly Code-based monitoring. private (series A) jobs page
Checkr Background checks and personal data lookup infrastructure. private (series E) jobs page
Chroma Open source embedding vector database. private (seed) jobs page
Circle Payments infrastructure via blockchain. private (private equity) jobs page
CircleCI Hosted continuous integration. private (series F) jobs page
Clarifai Machine learning APIs. private (series C) jobs page
Cleanlab Data quality issue identification and remediation. private (series A) jobs page
Clearbit Go-to-market intelligence data and APIs. private (acquired) jobs page
Clerk User management platform. private (series B) jobs page
ClickHouse Column-oriented datastore. private (series B) jobs page
Cloudflare Content delivery network and web app infrastructure. public (NYSE: NET) jobs page
Cloudsmith Software artifact management. private (series A) jobs page
Cockroach Labs Distributed SQL database. private (series F) jobs page
Code Ocean Computational research platform. private (series B) jobs page
Codefresh Continuous integration and delivery platform. private (series C) jobs page
CodeSee Code visualization and automation. private (seed) jobs page
Codium LLM-based code generation. private (seed) jobs page
Cohere Natural language processing as a service. private (series C) jobs page
Comet Machine learning model lifecycle management and monitoring. private (series B) jobs page
Confluent Apache Kafka hosting and tooling. public (NASDAQ: CFLT) jobs page
Contentful Headless content management system (CMS). private (series F) jobs page
Context.ai Analytics for products that use large language models (LLMs). private (seed) jobs page
Convex Backend infrastructure-as-a-service. private (series A) jobs page
Coralogix Infrastructure observability. private (series D) jobs page
CoreWeave GPU cloud provider. private (private equity) jobs page
Couchbase Distributed NoSQL data store. private (series G) jobs page
Courier Developer infrastructure for product notifications. private (series B) jobs page
Credal Data workflows and LLM connections. private (seed) jobs page
Crowdstrike Cybersecurity products. public (NASDAQ: CRWD) jobs page
Cube Data source and application middleware. private (series B) jobs page
Cursor private (seed) jobs page
Dagster Data pipeline orchestration. private (series B) jobs page
Daily WebRTC-based APIs for video and audio app development. private (series B) jobs page
Datadog Application monitoring, security and observability. public (NASDAQ: DDOG) jobs page
Datadome Bot protection. private (series C) jobs page
Datafold Data observability and quality issue mitigation. private (series A) jobs page
Datagran Data analysis, modeling and workflows. private (seed) jobs page
Dataiku Data analysis and visualization platform. private (series F) jobs page
DataStax Vector database. private (series G) jobs page
Daytona Development environment manager. private (seed) jobs page
dbt Data transformation. private (series D) jobs page
Deepchecks Evaluation for LLM-based applications. private (seed) jobs page
Deepgram Low quality transcription API. private (series B) jobs page
DeepL AI translator and writing tools. private (series C) jobs page
Detectify Security vulnerability scanning, monitoring and pentesting. private (series B) jobs page
DevZero Build and test in a production-clone cloud environment. private (series A) jobs page
DigitalOcean Cloud computing services and infrastructure. public (NYSE: DOCN) jobs page
Directus Application backend-as-a-service. private (series A) jobs page
Ditto Cross-platform device data sync. private (series A) jobs page
dltHub Data load tool. private (pre-seed) jobs page
Dolby.io Real-time streaming infrastructure. private (acquired) jobs page
Doppler Secret environment variables syncing and security. private (series A) jobs page
Dopt Developer tools and components for self-service products. private (seed) jobs page
DoubleCloud Data analytics infrastructure. private (seed) jobs page
Dragonfly In-memory key-value pair datastore. private (series A) jobs page
Duality Privacy-enhanced data computing. private (series B) jobs page
Dynatrace Infrastructure monitoring and security. public (NYSE: DT) jobs page
Eden AI AI model orchestration. private (pre-seed) jobs page
EdgeDB Open source graph-relational database. private (series A) jobs page
Elastic Open source search solutions. public (NYSE: ESTC) jobs page
ElevenLabs Voice cloning. private (series B) jobs page
Esper Android device fleet management platform. private (series C) jobs page
Ethyca Privacy as a service. private (series A) jobs page
Evervault Encryption developer tools. private (series A) jobs page
FalkorDB Graph database. private (seed) jobs page
Fastly Content delivery network (CDN) and cloud security. public (NYSE: FSLY) jobs page
Fidel API Payments infrastructure API. private (series B) jobs page
Finch API for employment systems. private (series B) jobs page
Fingerprint Device and user identity. private (series C) jobs page
FireHydrant Alerting and incident response. private (series B) jobs page
Fivetran Data extraction, loading and transformation pipelines. private (series D) jobs page
Flagsmith Feature flags and remote configurations. private (bootstrapped) jobs page
Flatfile Data file exchange. private (series B) jobs page
Fleet Open-source device management for IT and security teams. private (series A) jobs page
FlutterFlow Low code UI builder. private (series A) jobs page
Fly.io Edge-based application infrasturcture. private (series C) jobs page
Foundational Data management platform. private (seed) jobs page
FusionAuth Authentication and authorization service. private (series A) jobs page
Gatsby React-based website and web app infrastructure. private (acquired) jobs page
GitGuardian Code security. private (series B) jobs page
GitHub Source control and deployment automation. private (acquired) jobs page
GitLab Software development platform for teams. public (NASDAQ: GTLB) jobs page
Gitpod Isolated cloud dev environments. private (series A) jobs page
Gladia Audio transcription and translation APIs. private (seed) jobs page
GlareDB SQL database for distributed data sources. private (seed) jobs page
Gradient Infrastructure platform for running custom LLMs. private (seed) jobs page
Grafana Labs Operational dashboards for data. private (series D) jobs page
Graphite Code review automation and workflow tooling. private (series A) jobs page
Gremlin Enterprise chaos engineering platform. private (series B) jobs page
Gretel.ai Synthetic data creation. private (series B) jobs page
GrowthBook Open source feature flags. private (pre-seed) jobs page
Guardrails AI Custom validators for LLMs. private (seed) jobs page
Harness Software development platform for teams. private (series D) jobs page
HarperDB Distributed data and compute. private (seed) jobs page
HashiCorp Open source cloud infrastructure for deployment and security. public (NASDAQ: HCP) jobs page
Hasura Data platform for creating APIs. private (series C) jobs page
Heap Digital analytics. private (acquired) jobs page
Herald APIs for commercial insurance. private (seed) jobs page
Hex Data analysis and visualization tools. private (series C) jobs page
Highlight.io Open source infrastructure monitoring. private (seed) jobs page
Hookdeck Reliable webhook infrastructure. private (seed) jobs page
Humanitec Self-service internal developer infrastructure. private (seed) jobs page
Hume AI toolkit for understanding human emotion. private (series B) jobs page
Imply Database for analytics applications with Druid. private (series D) jobs page
Incident.io On-call incident management. private (series A) jobs page
InfluxData Creators of time series database InfluxDB. private (series E) jobs page
Inigo GraphQL management and security. private (seed) jobs page
Inngest TypeScript-based serverless functions. private (seed) jobs page
Instabug Mobile app testing and feedback. private (series B) jobs page
Intercom Customer communications platform. private (series D) jobs page
Ionic Cross-platform mobile SDK and builds. private (series A) jobs page
Jam One click bug reports. private (series A) jobs page
JetBrains Software development tools. private (bootstrapped) jobs page
JFrog DevOps deployment tools. public (NASDAQ: FROG) jobs page
Kentik Network observability platform. private (series C) jobs page
Kestra Declarative data orchestration. private (seed) jobs page
Klaviyo Customer data and marketing automation platform. public (NYSE: KVYO) jobs page
Knock Notifications infrastructure. private (series A) jobs page
Knot APIs for online financial accounts. private (series A) jobs page
Kolide IT device security and compliance. private (series B) jobs page
Komodor Kubernetes monitoring and troubleshooting. private (series B) jobs page
Kong Platform for building and operating APIs. private (series D) jobs page
Koyeb Quick deploy serverless platform. private (pre-seed) jobs page
LabelBox Data platform for building LLMs. private (series D) jobs page
Lacework Code and cloud infrastructure security. private (series D) jobs page
LambdaTest Cross-browser testing. private (series C) jobs page
LanceDB Database for multimodal data. private (seed) jobs page
LaunchDarkly Feature flags and deployment management. private (series D) jobs page
Liblab SDK generation for APIs. private (series A) jobs page
Lightning AI Cloud IDE for AI application development. private (series B) jobs page
Linear Product development planning. private (series B) jobs page
LiveKit Real-time video, audio and data APIs. private (series A) jobs page
LllamaIndex LLM applications framework. private (seed) jobs page
LocalStack Local AWS development environment. private (series A) jobs page
LogicLoop Alerts and notifications for data. private (seed) jobs page
LogRocket Performance monitoring, session playback and analytics. private (series B) jobs page
Logz.io Cloud observability platform. private (series E) jobs page
Lokalise Continuous language translation for websites and mobile apps. private (series B) jobs page
Lumigo Microservices tracing and debugging. private (series A) jobs page
Lunar.dev API gateway. private (seed) jobs page
Mapbox Location and mapping data. private (series E) jobs page
Martian LLM router. private (seed) jobs page
Matillion Data pipeline management. private (series E) jobs page
Memgraph Optimized Neo4j-compatible graph database. private (seed) jobs page
Merge HR, recruiting, and accounting API integration. private (series A) jobs page
Mergify Faster and safer code merging for developers. private (pre-seed) jobs page
Metabase Open source analytics for company data. private (series B) jobs page
Metaplane Data observability. private (series A) jobs page
Metronome Usage-based billing API. private (series B) jobs page
Miradore Mobile Device Management for hardware. private (private equity) jobs page
Mistral AI Large language models. private (series B) jobs page
Mixpanel Self-serve product analytics. private (series C) jobs page
mobile.dev Cloud-based mobile app test automation. private (pre-seed) jobs page
Modal Serverless AI model infrastructure. private (series A) jobs page
Modern Treasury Payment operations solutions for automating money movement. private (series C) jobs page
Modular Machine learning and AI infrastructure. private (series B) jobs page
Moesif API analytics. private (series A) jobs page
MongoDB Open source NoSQL document database. public (NASDAQ: MDB) jobs page
Mostly AI Synthetic data. private (series B) jobs page
MutableAI AI code generation. private (seed) jobs page
n8n Low-code workflows. private (series A) jobs page
Nango Platform for shipping code integrations. private (pre-seed) jobs page
Nanonets Workflow automation. private (series B) jobs page
Neo4j Graph database. private (series F) jobs page
Neon Fully-managed PostgreSQL relational databases. private (series B) jobs page
Neptune.ai MLOps for AI experiments. private (series A) jobs page
Netlify Developer platform to build, deploy and host web apps. private (series D) jobs page
Ngrok API-first ingress-as-a-service localhost tunneling. private (series A) jobs page
Nx Build system for monorepos. private (series A) jobs page
Nylas APIs for email, calendar and contacts providers. private (series C) jobs page
Objective AI-native search-as-a-service. private (seed) jobs page
Observe Infrastructure monitoring and observing. private (series B) jobs page
OctoAI Generative AI model hosting and APIs. private (series C) jobs page
Octopus Deploy Deployment automation and metrics. private (series A) jobs page
Onehouse Data lakehouse. private (series B) jobs page
OpenMeter Usage-based billing infrastructure. private (seed) jobs page
OpenPipe Data capture, AI model training and deployment. private (seed) jobs page
Orb Usage-based billing infrastructure. private (series A) jobs page
Orca Security Cloud security posture management. private (series C) jobs page
Ory User authentication infrastructure-as-a-service. private (series A) jobs page
Oso Distributed authorization service. private (series A) jobs page
OtterTune Database optimization. private (series A) jobs page
PagerDuty Infrastructure incident management. public (NYSE: PD) jobs page
Patterns Data analytics in natural language. private (seed) jobs page
Permit.io Authorization-as-a-service. private (series A) jobs page
Persona Identity management and verification. private (series C) jobs page
Pinecone Hosted vector database for AI search applications. private (series A) jobs page
Pipedream Easier multi-API connection with code. private (series A) jobs page
Pipefy Low-code business process automation. private (series C) jobs page
Plaid APIs for financial transactions. private (series D) jobs page
PlanetScale MySQL-compatible serverless database platform. private (series C) jobs page
Platform.sh Platform-as-a-service. private (series D) jobs page
Ploomber Cloud platform for data scientists. private (seed) jobs page
Pngme Financial data sharing and analysis. private (series A) jobs page
PopSQL Collaborative SQL editor for teams. private (series A) jobs page
PostHog Product analytics. private (series B) jobs page
Postman API platform for building and using APIs. private (series D) jobs page
Prefect Workflow orchestration for machine learning. private (series B) jobs page
Preset Data analysis and visualization based on Apache Superset. private (series B) jobs page
Prismatic Product code integrations. private (series B) jobs page
Prismic Headless content management system (CMS) and tooling. private (series A) jobs page
PromptLayer Prompt engineering collaboration and evaluation. private (pre-seed) jobs page
Propelo Developer productivity metrics. private (acquired) jobs page
PubNub In-app chat and communications. private (series E) jobs page
Pulumi Open source infrastructure as code. private (series C) jobs page
Pusher Communication and collaboration feature APIs. private (acquired) jobs page
Pynt API security testing. private (seed) jobs page
QuestDB Open source time series database. private (series A) jobs page
Qwak AI models management and deployment. private (series A) jobs page
Railway Infrastructure-as-a-service for app deployments. private (series A) jobs page
Rapid Web API gateway. private (series D) jobs page
ReadMe API documentation and community tools. private (series A) jobs page
Redis Key-value pair data store. private (series G) jobs page
Redpanda Data streaming platform. private (series C) jobs page
Refuel Data enhancement with LLMs. private (seed) jobs page
Render Cloud infrastructure. private (series A) jobs page
Replicate Platform for running and fine-tuning machine learning models. private (series B) jobs page
Replicated Kubernetes application deployments. private (series C) jobs page
Replit Collaborative coding and application hosting. private (series C) jobs page
Rescale Computing infrastructure for engineering and R&D. private (series C) jobs page
Resemble AI Voice cloning and detection. private (series A) jobs page
Restate Workflows and services orchestration. private (seed) jobs page
Retool Reusable components for internal enterprise web apps. private (series C) jobs page
RevenueCat Subscription payment infrastructure. private (series C) jobs page
Rill Data dashboards. private (seed) jobs page
Roboflow Computer vision as-a-service. private (series A) jobs page
Rockset Real-time analytics database. private (acquired) jobs page
Rollbar Error monitoring and remediation. private (series B) jobs page
Sanity Cloud hosting platform for content. private (series C) jobs page
Sauce Labs Automated, continuous software testing. private (private equity) jobs page
ScyllaDB NoSQL distributed performance data store. private (series C) jobs page
Seldon MLOps and machine learning platform. private (series B) jobs page
Select Star Data discovery platform. private (series A) jobs page
Semaphore Continuous integration and delivery. private (bootstrapped) jobs page
Semgrep Code security tools. private (series C) jobs page
Sentry Open source error tracking and observability. private (series E) jobs page
Sequin Messaging stream for API integrations. private (seed) jobs page
Shoreline Observability aggregation and issue identification. private (series B) jobs page
Sieve Hosted AI models-as-a-service. private (seed) jobs page
Sigma Data analytics and visualization. private (series D) jobs page
SingleStore Distributed database with SQL queries. private (series F) jobs page
Sleuth Continuous delivery metrics and control software. private (series A) jobs page
Snowplow Data creation and common schemas. private (series B) jobs page
Snyk Security analysis and vulnerability mitigation. private (series F) jobs page
Socket Open source supply chain vulnerability scanning. private (series A) jobs page
Sonar Clean code tools. private (series B) jobs page
Sourcegraph Source code search. private (series D) jobs page
Spacelift Infrastructure-as-code management system. private (series B) jobs page
Speakeasy SDK generation and API tools. private (seed) jobs page
Speechmatics Speech-to-text APIs. private (series B) jobs page
Split Feature flags and related experiments for software. private (acquired) jobs page
StackBlitz Browser-based collaborative editor. private (seed) jobs page
Stacker Low code/no code custom software. private (series A) jobs page
StackHawk Application security testing. private (series B) jobs page
Stainless Web API SDK generators. private (seed) jobs page
Starburst Data source connection and querying. private (series D) jobs page
Stashpad Organized notepad for developers. private (pre-seed) jobs page
Statsig Product analytics and experimentation. private (series B) jobs page
Stoplight Web API design and documentation. private (series A) jobs page
Storyblok Headless content management system (CMS). private (series C) jobs page
Strapi Open source headless content management system (CMS). private (series A) jobs page
Stream Stream makes it easy to add chat and messaging to applications. private (series B) jobs page
Stream.Security Cloud infrastructure security modeling and detection. private (series A) jobs page
Stripe Payment processing platform. private (series H) jobs page
Stytch Authentication API. private (series B) jobs page
Supabase Open source Firebase alternative. Backend infrastructure. private (series B) jobs page
Superb AI Automated training data platform. private (series A) jobs page
Superblocks Low-code platform for internal applications. private (series A) jobs page
Supersimple Self-service analytics dashboards for SaaS companies. private (pre-seed) jobs page
SuperTokens Open source user authentication. private (pre-seed) jobs page
Surge AI Data labeling and reinforcement learning platform. private (series A) jobs page
Svix Webhooks as a service. private (seed) jobs page
Swarmia Software development metrics. private (seed) jobs page
Swimm Documentation creation tools. private (series A) jobs page
Symbl.ai Real-time conversation intelligence infrastructure. private (series A) jobs page
Sysdig Cloud security. private (series G) jobs page
System Initiative DevOps visualization and config tool. private (series A) jobs page
Tailscale Zero configuration VPN. private (series B) jobs page
Taloflow Software buying recommendations. private (seed) jobs page
Tecton Machine learning pipelines and deployment. private (series C) jobs page
Temporal Open source framework for building fault-tolerant applications. private (series B) jobs page
Tessell Database platform-as-a-service. private (series A) jobs page
testRigor Functional user interface regression and exploratory testing. private (seed) jobs page
TigerGraph Graph database. private (series C) jobs page
Timescale Open source time-series database and hosting service. private (series C) jobs page
Tines Workflow and process automation. private (series B) jobs page
Tinybird Developer tools for building data products over analytical data. private (series B) jobs page
Together AI Cloud platform to train, fine-tune, and deploy AI models. private (series B) jobs page
Trigger.dev Background jobs framework. private (pre-seed) jobs page
Turso SQLite for production. private (seed) jobs page
Twilio APIs for communications. public (NYSE: TWLO) jobs page
Tyk API gateway and security. private (series B) jobs page
Unify LLM router. private (seed) jobs page
Unity Technologies Game creation engine and platform. public (NYSE: U) jobs page
Unleash Feature flags as a service. private (series A) jobs page
Upstash Serverless data platform. private (series A) jobs page
Userfront Authorization and identity for SaaS. private (seed) jobs page
UserHub SaaS billing platform for end users. private (seed) jobs page
Vantage Cloud cost optimization. private (series A) jobs page
Vercel Frontend development and deployment platform. private (series E) jobs page
Veza Authorization platform for data. private (series C) jobs page
vFunction Tools to refactor monoliths into microservices. private (series A) jobs page
Video SDK Real-time video infrastructure for web and mobile. private (seed) jobs page
Vocode Open source voice agents. private (seed) jobs page
Voiceflow AI agent creation. private (series B) jobs page
Voxel51 Dev tools for machine learning. private (series B) jobs page
Warp Faster terminal interface with autocomplete. private (series B) jobs page
Weaviate Open-source vector database. private (series B) jobs page
Webflow Website generation. private (series C) jobs page
WhyLabs Machine learning observability. private (series A) jobs page
WireMock API mocking and testing. private (seed) jobs page
WorkOS Enterprise features as a service. private (series B) jobs page
XetHub Training data collaboration. private (seed) jobs page
Zama Open source cryptography. private (series A) jobs page
Zed Open source code editor. private (series A) jobs page
Zilliz Vector database. private (series B) jobs page

By Matt Makai. 2021-2024.