Founding Engineer (up to £160k)

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. If you're interested sign up to Dex to apply. Dex is an AI recruiter agent that helps you run your job search. Tell Dex your stack, seniority, and what you want to build. We will manage your applications and surface other opportunities that are a fit. The role This company is building AI automation for SOX compliance testing. They're replacing manual audit work with a fully agentic approach, from evidence management to auditable decision logs. Backed by leading investors at pre-seed, the founding team brings deep experience in AI and scaling startups. As a Founding Engineer, you'll be one of the first hires, owning the core product's backbone. This means genuine end-to-end responsibility: data processing, UI, agent harness, evaluation, and deployment. You'll shape the product roadmap directly with the founders, balancing customer needs with long-term health. This isn't a role where you hand off work; it's where you build, launch, and scale, prioritising proven methods over novel tech for its own sake. The work Scope, build, and launch features that automate SOX audit workflows end-to-end.Design and implement the core agentic system, from evidence ingestion to auditable decision logs.Own the full stack: data processing, UI, agent harness, evaluation, and deployment.Influence product strategy and roadmap alongside the founders, integrating customer feedback.Scale the core audit product to handle significant customer loads and complex data. What You Bring Proven track record building, launching, and scaling production systems.Experience developing AI-driven solutions, pushing the boundaries of current models.Pragmatic engineering approach: you value proven methods over novelty, balancing research curiosity.Comfort operating with high autonomy, owning problems end-to-end in ambiguous, fast-moving environments.Willingness to be client-facing when required.Commitment to relocate from London to San Francisco by Fall 2026 and work in-person. Visa support provided. Why apply through Dex Founding Engineer roles at pre-seed AI companies are rare and highly competitive. Apply through Dex to cut through the noise. We'll ensure your profile is seen by the hiring team and brief you thoroughly, helping you stand out for this unique opportunity. If you're interested, sign up to Dex to apply - https://jobs.meetdex.ai/jobs/a7eafa24-1e78-4089-aa5a-68bb78247a2c As part of the recruitment process at Dex, we process your personal data in accordance with our Privacy Notice for Job Applicants. This notice explains how and why your data is collected and used, and how you can contact us if you have any concerns.