You'll be our founding engineer, working directly with our technical co-founder and CEO. You'll own large parts of the backend, our agent infrastructure and the data layer, and you'll ship to customersWhat you'll work on Postgres-backed services and APIs that run thousands of agent workflows a dayAutonomous agent systems: multi-step, multi-model pipelines that research, score, write andcheck their own outputData pipelines that pull in LinkedIn, job-board, company and enrichment data and turn it intosignalsCustomer-facing features end to end, from the first call to productionThe engineering culture and hiring bar, from day oneWho you are You've done zero-to-one before. You joined a company at or near zero revenue, as a founding engineer, first engineering hire or CTO, and stayed while it grew. You can tell us what you changed to make that growth happen.You have strong fundamentals. *Frameworks come and go. We care that you understand:*1. Networking: how HTTP, browsers and servers actually work2. Data: data structures and databases. This knowledge compounds forever3. Algorithms and architecture: you can design a system and explain its trade-offs4. Product: you can take a messy customer conversation, split out what's essential right now, and defer the restWhat we offer *** To be upfront: **the cash is below market, and the equity is the offer.Modest cash salary (we'll share the exact figure on the first call)A significant equity stake that grows with the next round, and grows substantially if you step intothe CTO roleA founding title, with real ownership over architecture and product decisionsThe chance to build an AI-native company from the ground floor, with paying customers already onboardMadrid-based team. We're happy to start remote within Europe, with relocation to Madrid as thelong-term goal#J-18808-Ljbffr

📌 Founding Engineer (Sevilla)
🏢 Archteam
📍 Sevilla