pphaddock is looking for a bProduct Engineer (Mid/Senior Full Stack) /b with 3+ years of experience /p pHybrid in Barcelona (at least two days per week at their office in Poblenou) /p pbVacation perks /b: All AI tooling that you wish to experiment with, a subsidized Urban Sports Club membership, versátil working hours, a bright modern office, PayFlow, and many more (see below) /p 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 they have a system of record that helps operate restaurants with control and clarity, but they are also the leaders in offering AI Agents, starting with Fina. They work 24/7 doing the heavy, tedious work that their customers don't have time to do well. /p pThis is no AI hype. haddock's customers obtain visible value from their AI Agents, both in money and time saved. They are becoming strategic partners in the design of their businesses. /p pTheir mission is to empower millions of restaurateurs to level up their business. /p pTheir 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. they are growing fast with support from top-tier investors like JME, Decelera, Extension Fund, Wayra, and Zone2Boost. /p h3Why are they hiring? /h3 pThey are hiring because their ambitions are increasing: more customers, more AI automation, more product surface, more value and quality, and more internal tooling to support their growth. /p pTheir 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 pTo keep their speed and quality high, they need one more strong engineer who can lead initiatives independently and collaborate closely with product and customers. /p pIf you’re excited by ownership, autonomy, and building technology that directly impacts real businesses every day, this is the right moment to join, when they are still one cohesive team and before they evolve from startup to scale-up. /p h3About Product Engineers at haddock /h3 pEngineers at haddock are action-oriented, curious, autonomous, and take full ownership of their work. They are champions of figuring out the unknowns. They talk to customers, deliver quality work, improve their internal tooling, and are ambitious. They look for people with these same motivations and ways of working. /p pThey 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 pEach of us leads initiatives, planning and executing in small mission-oriented squads of 2 or 3 people. /p pAs a Product Engineer, you'll work across the stack (frontend, backend, and infrastructure) to deliver outcomes that bring real value to restaurateurs. Between frontend and backend, their time right now is likely spent 50% backend, 20% AI workflows, 10% frontend and 20% infrastructure architecture. /p pEveryone has different strengths and preferences, and they aim to align projects with what you love doing most. /p pTheir processes and tools are constantly improving, and everyone contributes to making them better. /p pKeep‑the‑lights‑on work is shared, like bug fixing, monitoring and dependency management. They succeed at this by having a rotating squad of Defenders that tackles this kind of maintenance work. /p pBonus: You’ll be just a step away from the people using what you build. Many of their restaurants are based right here in Barcelona, and they love haddock. /p pAs part of their product team, you’ll build and ship features that make a real difference in restaurants' day-to-day operations: /p ul liBuild product: Design, build, and maintain their full-stack platform and AI Agents. /li liSolve challenges: Focus on outcomes, not obstacles. /li liThink ahead: Architect scalable solutions as they grow fast. /li liImprove process: Help us move from scrappy to smart. /li liMentor others: Share your knowledge and shape the culture. /li /ul pSome example objectives that you could work towards in your first months are: /p ul liEnabling Fina to handle even more administrative work for their customers. /li liMaking it effortless for their customers to make purchase orders to their suppliers directly from haddock. /li liAutomating operational work in restaurants via developing AI Agents that work on their Point of Control. /li liHelp their customers understand the health of their business directly in haddock, via reports, dashboards, data aggregations and insights. /li liStreamline internal operations at haddock by making Sales, CX, Finance and Product collaborate smoothly over shared AI-powered tools. /li /ul ul liAt least 4 years of engineering experience working on SaaS applications in Agile environments. /li liExperience building products end to end: discovery, infrastructure, backend, frontend, testing, etc.



/li /ul ul liFamiliarity with TypeScript, React and Node. /li liExperience designing and/or implementing architectures that solve product problems (for example, using services, databases, external APIs, caches, queues, events, etc.) /li liExperience in environments using Microservices or some flavor of service oriented architecture. /li liYou have already been developing with AI. /li liYou have developed good judgement (criterio) on using it with good results, and you don't delegate basic understanding to the AI. /li liYou’ll stand out if you've already built AI workflows for production. /li /ul pFluency in Spanish and comfortable in English. They tend to speak in Spanish at the office and in Slack, and write documentation and projects in English. /p pThey are building something ambitious, and they are looking for someone ready to grow with us, take real ownership, and shape the product’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. Their best perk is honestly their work environment and the opportunities you'll get to learn and grow at haddock. /p h3Tech Stack /h3 pTypeScript, Node, React, React Router, Fastify, PostgreSQL, MongoDB, Google Cloud Platform, Langfuse, PostHog and several AI integrations. /p pThey heavily use AI workflows and agents for their development, but also to empower the entire organization to be 10x productive. What a time to be alive! /p pThey have an architecture that kind of looks like microservices, with one main service that is more monolith than microservice. Most of their stack is serverless though, and they can rapidly upgrade and evolve their infra. /p h3What they offer? /h3 pA competitive salary (€47–55k gross/year), that will increase as haddock and you grow. /p pA bright modern office in Barcelona, in Poblenou. Probably the best office you've ever worked at. /p pThey currently spend at least 2 days per week at the office, because they believe that in-person frequent interaction helps us communicate better, gain trust with each other faster, and achieve better outcomes. The other 3 days, they usually work from home to have more focus and get things done. /p pAll AI tooling that you wish to experiment with. /p pEnjoy benefits when spending part of your salary, thanks to Playflow. /p h3Hiring Process /h3 pThey move fast and communicate openly. Their goal is to wrap up the process within a week. Here's what to expect: /p ul liIntro call with Guillermo (Head of Technology), 25 mins. /li liCall with Pol (co-founder, CEO), 25 mins. /li liTechnical interviews with Guillermo and another engineer (2 hours). Part 1: architectural solution thinking, and part 2: AI-assisted live coding of an MVP. /li /ul /p #J-18808-Ljbffr

📌 Product Engineer (Full Stack) (Barcelona)
🏢 JobFluent
📍 Barcelona