Reflex · Web apps in Pure Python

Reflex is the open-source framework empowering Python developers to build web apps faster. Build both your frontend and backend in a single language, Python (pip install reflex), with no JavaScript or web development experience required. Build anything from internal data and AI apps to large public-facing web apps and deploy with a single command (reflex deploy).

Our mission is to simplify web development by creating an ecosystem of open-source tools and hosted services that enable developers to build web apps faster without compromising on customizability, flexibility, or performance.

Why join now:

• Growth: We have had over 100k Reflex apps built from companies ranging from Fortune 100 to YC start ups, and have seen a surge in usage recently as our framework keeps improving. Some notable companies using Reflex for internal/external apps include Dell, IBM, Rappi, EY, Nike, SellerX, SpaceX, Manchester United, Bayesline
• Team: Work with people who are genuinely passionate about improving the web. Our founding team consists of open source maintainers, top ranked competitive programmers/IOI medalists, and founding team members from dev tool unicorns.
• Future: We are gearing up for an official launch of our hosting service and releasing a full stack agent that can build apps for you.

And we are just getting started!

We raised $5 million in seed funding led by Lux Capital with participation from Abstract Ventures, Box Group, Y Combinator, Picus Capital, and Outset Capital.

Additionally, we are have some fantastic founders as angel investors, including Qasar Younis, (Cofounder and CEO of Applied Intuition), Jack Altman, (Cofounder and CEO of Lattice), Paul Copplestone, (Cofounder and CEO of Supabase), Matt Kraning, (CTO, Cortex at Palo Alto Networks), Alfredo Andere, (Cofounder and CEO of Latch Bio), and Kah Seng (Engineering Leader, Board Member Perplexity)

Open Roles

<aside> 📍 All roles are in person in San Francisco, M-F.

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Software Engineer - Infra/Backend

Software Engineer - Generalist

Our Team

We're a small, talent dense team based out of San Francisco. Our team includes maintainers of popular open-source projects, top ranked competitive programmers who have worked on cutting-edge dev tools at Apple, Tesla, Synthesia, Dropbox, Dell, NASA, and Jump Trading.