Founding Product Engineer (up to £150k)

This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process.

The role

This company is building the future of enterprise automation, tackling the long tail of mission-critical applications that don't speak SAML. They run autonomous browser agents inside the SaaS, banking, and SSO-incompatible apps that global enterprises rely on daily. Unreliable automation isn't an option here; their platform defends against sophisticated threats and ensures business continuity for customers ranging from decacorn financial-services scale-ups to public insurance companies. You'll be inventing the playbook for a category that's still being defined.

You’ll join as a founding product engineer with significant surface area across the on-device browser agent, browser extension, and web dashboard. This isn't a role where you’ll receive pre-baked requirements; you’ll own problems from direct customer conversation to shipped fix within days. You’ll improve the core automation engine, build the workflow builder for non-technical users, and strengthen end-to-end encrypted infrastructure. Expect high ownership, direct customer interaction, and the chance to define a new product category.

The work

• Build and refine the core browser agent, running autonomously inside enterprise SaaS, banking, and SSO-incompatible applications.
• Design and implement the workflow builder, empowering non-technical users to configure complex automation sequences.
• Strengthen end-to-end encrypted infrastructure, protecting sensitive customer data against advanced threats.
• Drive features from direct customer feedback to production deployment, often within days.
• Improve the local environment and reliability of agents performing mission-critical tasks.

What You Bring

• 1+ years building client software (desktop, browser, or web) with end-to-end product ownership.
• A product-first mindset: you obsess over UX, design, and the tangible impact of your work.
• A drive to work directly with customers, from problem identification to solution validation.
• Comfort with high ownership and intensity; you’ll invent the playbook for a new category, not follow one.
• Hands‑on depth in some of: TypeScript, Electron, browser extensions, Puppeteer/Selenium, zero-trust/E2E encryption, or identity products.

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