SHORTList
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AI/ML
DevTools/Cloud
Enterprise SaaS

Mastra

AI-powered TypeScript framework for developers

Remote· 2 roles · Remote

CORE INFO

$13M
Total Funding
Seed
Round
2024
Founded
20
Team Size
San Francisco, CA
Headquarters

Mastra provides an open-source TypeScript framework tailored for developers building AI-powered applications and agents, offering both free and enterprise solutions to streamline AI development.

  • Mastra raised $22 million in a Series A funding round led by Spark Capital in April 2026.mastra.ai
  • The company's open-source framework has achieved millions of downloads each month, indicating widespread adoption.mastra.ai

WHY WE WOULD WORK AT MASTRA

Innovative AI Framework

Join a pioneer in AI-powered TypeScript frameworks, empowering developers to build sophisticated AI agents with ease.

Rapid Growth Potential

Be part of a fast-growing company backed by $13M in seed funding and supported by industry giants like Y Combinator.

Collaborative Team Culture

Work alongside a passionate team of 20 in San Francisco, fostering innovation and collaboration in AI development.

Cutting-Edge Technology

Utilize a versatile tech stack including Next.js and Express, integrating seamlessly with various AI models and providers.

Impactful Clientele

Contribute to projects for top-tier clients like Adobe, PayPal, and Docker, showcasing the framework's industry-wide impact.

Open-Source Excellence

Champion open-source development under the Apache 2.0 license, simplifying AI agent creation and deployment for developers.

MARKET AND TRACTION

GROWTH TACTICS

  • Mastra emphasizes open-source development, allowing developers to contribute and enhance the framework under the Apache 2.0 license.

  • The company has secured a $13 million seed funding round with participation from over 120 investors, including Y Combinator and Gradient Ventures, to accelerate growth and innovation.

  • By integrating with popular frameworks like Next.js, Express, and Hono, Mastra ensures seamless adoption and deployment across various platforms.

    • NOTABLE CUSTOMERS

  • Mastra's framework has been adopted by enterprise customers such as Replit, SoftBank, Marsh McLennan, PayPal, Adobe, and Docker.

  • These partnerships underscore Mastra's impact and effectiveness in the industry, highlighting its capability to serve high-profile clients.

    • KEY METRICS

    ✦ KEY METRIC
  • Mastra's TypeScript agent framework reached 150,000 weekly downloads within a year, marking it as the third-fastest-growing JavaScript framework ever measured.

  • The company has raised a total of $13 million in seed funding, reflecting strong investor confidence and support.

    • COMPETITIVE ADVANTAGE

  • Mastra's framework supports integration with various AI models and providers, facilitating seamless incorporation into existing systems.

  • The comprehensive set of tools, including workflow orchestration and observability, allows developers to efficiently create, manage, and deploy AI agents.

    • MARKET POSITION

  • Founded in 2024 and headquartered in San Francisco, Mastra has quickly gained traction in the AI development community.

  • The company's rapid growth and adoption underscore its impact, providing robust tools for building and deploying AI agents effectively.

    • PRODUCT AND TECH

    TypeScript AI Framework

    Mastra's core offering is an open-source TypeScript framework designed for building AI-powered applications. It provides developers with essential tools for efficient AI agent creation, management, and deployment.

    Workflow Orchestration Tools

    These tools enable developers to design and manage complex workflows for AI agents, ensuring seamless operation and integration within existing systems. This feature is crucial for optimizing AI processes.

    Agent Memory Management

    Mastra's framework includes advanced memory management capabilities, allowing AI agents to store and retrieve information effectively. This enhances the agents' ability to learn and adapt over time.

    Observability Tools

    These tools provide developers with insights into AI agent performance, facilitating monitoring and evaluation. They are essential for maintaining high standards of AI functionality and reliability.

    Versatile Integration Support

    Mastra's framework supports integration with various AI models and providers, offering flexibility and ease of incorporation into diverse technological environments. This adaptability is key for widespread adoption.

    COMPANY CULTURE

    Values

  • Emphasize open-source development

  • Simplify AI integration for developers

  • Foster innovation and creativity

    • Operating Principles

  • Prioritize seamless integration with existing systems

  • Maintain transparency and collaboration with the developer community

  • Focus on delivering high-performance AI tools

    • Benefits

  • Work with cutting-edge AI technologies

  • Collaborate with a diverse team of experts

  • Opportunity to impact major enterprise clients

    • Team Cadence

  • Agile development cycles

  • Regular team syncs to align on goals

  • Encourage cross-functional collaboration

    • Learning & Growth

  • Access to industry-leading AI resources

  • Opportunities for professional development

  • Support for continuous learning and skill enhancement

    • HIRING SIGNAL

    2
    Open roles on their careers page
    Snapshot via live ATS poll
    —
    Net new roles in the last 90 days
    Available once weekly history accrues
    90-Day VelocityV2 · BACKFILL
    Trend builds weekly as historical rows accrue
    By Function
    Breakdown of open roles
    Design · 1
    Engineering · 1
    Top Locations
    Where hiring is concentrated
    Remote-eligible postings counted separately
    Remote
    2
    SourcesGreenhouseLeverAshbyWorkableSmartRecruitersRipplingRecruiteeFallback · Wellfound, YC Work-at-a-Startup, careers-page scrape

    KEY COMPANY ANNOUNCEMENTS

    Filter
    14 announcements · ranked by importance
    Apr 9, 2026FUNDINGWe raised a $22M Series A to help every developer build agentsmastra.ai
    Oct 8, 2025FUNDINGAnnouncing our $13m seed round from YC, pg, Gradient, Amjad, Guillermo, Balaji, and 120+ othersmastra.ai
    Nov 20, 2024ESSAYA framework for the next million AI developers | Mastra Blogmastra.ai
    Jan 20, 2026PRODUCTAnnouncing Mastra 1.0! | Mastra Blogmastra.ai
    Jun 26, 2025PRODUCTMastra Cloudmastra.ai
    Apr 1, 2026FOUNDER PROFILEMastra: The Javascript framework for building AI agents, from the Gatsby devs | Y Combinatorycombinator.com
    Jan 1, 2026CUSTOMER WINHow MongoDB Built Sage, Its Internal Agent Platform, on Mastra | Mastra Customersmastra.ai
    Sep 24, 2025CUSTOMER WINHow Replit's Agent 3 builds Mastra agents for you | Mastra Customersmastra.ai
    Aug 28, 2025INTERVIEW1996 All Over Again? The Framework Shaping the AI Agent Era | AI Chopping Blockchoppingblock.ai
    Aug 28, 2026INTERVIEWWhy Agents Are Actually Workflows - Tony Kovanen, Mastra's Founding Engineermastra.ai
    Oct 30, 2025PRODUCTAnnouncing Mastra's Agent Studiomastra.ai
    Mar 9, 2025ESSAYWhy We're All-In on MCPmastra.ai
    Jul 17, 2025MILESTONEMastra is now Apache 2.0 licensedmastra.ai
    Jan 1, 2025CUSTOMER WINHow SoftBank is restoring Japan's white-collar productivity using Mastra | Mastra Customersmastra.ai