Founding Engineer ($150K - $250K + 0.5% - 1% equity) Email Inboxes for AI Agents
CoffeeSpace · San Francisco, CA
Apply & track with Apply EdgeAbout the jobThis role is being recruited by CoffeeSpace on behalf of an anonymous AI-focused startup that provides email inboxes for AI agents, akin to how Gmail serves humans.We’re identifying a small number of exceptional founding engineers from our network. If there’s a strong fit, we’ll introduce you directly to the founding team.
With a $6M seed round led by prominent investors like Paul Graham and Dharmesh Shah, the company is experiencing rapid growth, doubling its user count every two weeks and achieving 20-30% monthly revenue growth.The team consists of 8 people, including 6 engineers, with backgrounds from leading tech companies such as Optiver, NVIDIA, and Amazon. The co-founders are all University of Michigan CS alumni.About the roleAs a Founding Engineer, you will play a critical role in shaping the company's core product, focusing on backend infrastructure and APIs that support AI agents. You will handle projects from inception to deployment, working across the stack with an emphasis on backend development.What You’ll DoDesign and build APIs and backend systems for AI agent communication and operationLead 0→1 projects, from customer requirements to production rolloutEngage with distributed systems, databases, and developer toolingPropose and implement growth experiments and product ideasSupport enterprise customers with custom deployments when necessaryMaintain code quality and technical documentation while processing large volumes of emailsWhy This Role Is CompellingOpportunity to own greenfield projects and influence product directionWork on a backend-first, infrastructure-heavy core productCompetitive compensation package including equity and benefits like Equinox membership and free mealsThe Ideal Candidate0–5 years of experience in backend engineering, with a preference for those with experience at FAANG or high-growth startupsProven track record of building projects from scratchExperience with TypeScript, REST APIs, distributed systems, and cloud infrastructureAbility to work in a fast-paced, early-stage environmentThis Role Is NOT For You IfYou require visa sponsorshipYou prefer a role with predefined tasks and minimal customer interactionNext steps1. Apply via this LinkedIn job post2. We’ll review and reach out if there’s a strong match3. If aligned, we’ll introduce you directly to the team4. If this role isn’t the right fit, we may suggest and make introductions to other high-signal startup roles we’re recruiting for, always with your permission.A quick note on authenticityThis is a real, active role that CoffeeSpace is recruiting for in close partnership with the hiring team. We don’t post speculative roles and work directly with teams on their actual hiring needs.