We’re building a better way to use the internet, starting with your browser. Backed by NextView Ventures.
About the role
Dia is a browser enhanced with agentic capabilities. The agent reasons over untrusted content from the open web and takes real actions on the user's behalf, inside a client that sits next to everything the user is signed into. That combination produces a threat model that mostly doesn't have prior art — the interesting bugs aren't on a checklist, and the tooling to find them largely doesn't exist yet.
What they're looking for
- 8+ years in offensive security — vulnerability research, exploit development, red teaming, or product security testing — with a record of finding real bugs in software other people had already reviewed
- Depth in at least one hard surface: LLM agent systems, browser or Chromium internals, OS sandboxing and native clients, or backend and cloud infrastructure — and the excitement to learn the rest
- Practical fluency using LLMs as instruments, not just as targets, plus a working sense of when their output is noise
- You write production-quality code in one or more of Go, TypeScript, Python, or Swift. You'd rather build the thing that finds a bug a thousand times than find it once
- You write findings engineers act on, and you can stay in the fix conversation and push for the durable version without owning the remediation yourself
- You thrive in a high-trust, high-ambiguity environment: you seek feedback, but you don't need hand-holding
More about this role
Hi, we're The Browser Company 👋 and we're building a better way to use the internet.
Browsers are unique in that they are one of the only pieces of software that you share with your parents as well as your kids. Which makes sense, they're our doorway to the most important things — through them we socialize with loved ones, work on our passion projects, and explore our curiosities. But on their own, they don’t actually do a whole lot, they’re kind of just there. They don’t help us organize our messy lives or make it easier to compose our ideas. We believe that the browser could do so much more — it can empower and support the amazing things we do on the internet. That’s why we’re building one: a browser that can help us grow, create, and stay curious.
To accomplish this lofty task, we’re building a diverse team of people from different backgrounds and experiences. This isn’t optional, it’s crucial to our mission, as we need a wide range of perspectives to challenge our assumptions and shape our browser through a bold, creative lens. With that in mind, we especially encourage women, people of color, and others from historically marginalized groups to apply.
Dia is a browser enhanced...
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