ph3Who are we? /h3 phaddock is the market leader solution for point of control in restaurants, handling all back‑office vital operations like product management, inventories, purchases, price tracking, document conciliation, bank conciliation, paychecks, clocking in/out, PL reports, etc. /p pNot only do we have a system of record that helps operate restaurants with control and clarity, but we're also the leaders in offering AI workforce, starting with Fina. They work 24/7 doing the heavy, tedious work that our customers don't have time to do well. /p pThis is no AI hype. Our customers obtain visible value from our AI Agents, both in money and time saved. We're becoming strategic partners in the design of their businesses. /p pOur mission is to empower millions of restaurateurs to level up their business. /p pOur vision is to lead the market through innovation, strong relationships and by becoming the go‑to tech partner for restaurant success. /p phaddock is backed by Y Combinator, the accelerator behind Airbnb and Twitch. We're growing fast with support from top‑tier investors like JME, Decelera, Extension Fund, Wayra, and Zone2Boost. /p h3Why are we hiring? /h3 pWe’re hiring because our ambitions are increasing: more customers, more AI automation, more product surface, more value and quality, and more internal tooling to support our growth. /p pOur engineers don’t wait for a project to be defined. They create momentum, propose ideas, and are a key part of the growth of the company. /p pWe’re growing very fast, which means hundreds of internal processes, dashboards, and decisions every week that can (and should) be automated, from simple deterministic workflows to AI agents that get the job done. /p pThat’s where you come in: an AI Engineer who loves solving complex operational challenges by designing, building, and deploying AI systems that think, act, and automate intelligently. /p h3About Engineers at haddock /h3 pEngineers at haddock are action‑oriented, curious, autonomous, and take full ownership of their work. /p pThey are champions of figuring out the unknowns. They talk to customers, deliver quality work, improve our internal tooling, and are ambitious. We look for people with these same motivations and ways of working. /p pWe strongly adhere to the Lean Startup and Agile principles, favoring action over analysis, imperfect iteration over perfect delivery,



face‑to‑face communication, and a fast‑paced environment. /p h3Why is this role so special? /h3 pYour focus and ownership will be to help haddock grow as fast as possible. No distractions, your mission is to make every part of the company as AI automated as possible. /p pYou’ll have full freedom to experiment, time and resources to stay at the cutting edge of AI, and the support of a strong AI, tech and product team around you. /p h3What You'll Do /h3 ul liArchitect and develop internal AI agents that streamline finance, CX, sales and marketing teams. /li liCollaborate closely with leadership to identify and fully automate high‑leverage operational loops. /li liThink ahead: Architect scalable solutions as we grow fast. /li liImprove process: Help us move from scrappy to smart. /li liInstrument and optimize data flows across Notion, HubSpot, Stripe, and our internal DBs for decision‑making. /li liBe an internal evangelist for applied AI, helping every haddocker become 10× more productive. /li /ul h3What You Need to Bring /h3 ul liBachelor’s degree or equivalent experience in Mathematics, Data Science, Computer Science, Machine Learning, or a related field. /li liHands‑on experience with Large Language Models (LLMs) or generative AI systems in real‑world use cases. /li liYou’re truly AI‑native: you’re passionate about working at the frontier of AI, you actively follow new papers, models, and techniques, and you continuously refine how you use them in practice. /li liYou’re also AI‑native in how you build software: you’re up to date with modern AI‑powered dev tools (e.g. Claude Code, Cursor, Codex or similar), and you assemble your own agents and workflows to move faster as an engineer. /li liYou combine engineering rigor with product thinking: you don’t just write code, you design, debug, and improve end‑to‑end systems that solve real problems. /li liFluency in Spanish and comfort in English. We tend to speak Spanish at the office and in Slack,



and write documentation and projects in English. /li /ul h3You’ll stand out if you have /h3 ul liExperience with AI observability platforms such as Langfuse (tracing, metrics, evaluations for LLM apps and agents). /li liExperience collaborating with cross‑functional teams such as including Sales and CX. /li liExperience designing or working with MCPs. /li liExperience building with voice models. /liliExperience designing and running evaluations. /li liExperience designing and operating RAG systems and working with vector databases. /li /ul h3Our Tech Stack /h3 pTypeScript, Python, React, React Router, Fastify, PostgreSQL, MongoDB, Google Cloud Platform, Langfuse, PostHog and several AI providers. /p h3Why Join Us? /h3 pWe’re building something ambitious, and we’re looking for someone ready to grow with us, take real ownership, and shape the company’s future. /p pThis is more than a job. It’s a chance to leave your mark on an industry that’s ripe for transformation. Our best perk is honestly our work environment and the opportunities you'll get to learn and grow at haddock. /p h3What we offer /h3 ul li A competitive salary, that will increase as haddock and you grow. /li li A bright modern office in Barcelona, in Poblenou. Probably the best office you've ever worked at. /li liWe currently spend at least 2 days per week at the office, because we believe that in‑person frequent interaction helps us communicate better, gain trust with each other faster, and achieve better outcomes. The other 3 days, we usually work from home to have more focus and get things done. /li li? All AI tooling that you wish to experiment with. /li li? A subsidized Urban Sports Club membership: yoga, HIIT, hot studios. /li li Enjoy benefits when spending part of your salary, thanks to Playflow. /li /ul h3Our Hiring Process /h3 pWe move fast and communicate openly. Our goal is to wrap up the process within a week. Here’s what to expect: /p ul liIntro call with Enric (AI Lead), 25 mins. /li liCall with Pol (co‑founder, CPO), 25 mins. /li liTechnical interviews with Enric and Guillermo (Head of Tech) (2 hours). /li /ul pSounds like an opportunity? Apply now. We’d love to meet you. /p pbImportant /b: applications must include a personalized message or cover letter to be considered. /p /p #J-18808-Ljbffr

📌 AI Engineer (Barcelona)
🏢 haddock (YC W22)
📍 Barcelona