Responsibilities Engineers at haddock are action-oriented, curious, autonomous, and take full ownership of their work. * Architect technical solutions * Build backend and frontend code (80% backend, 20% frontend) * Engineer AI workflows, balancing latency, cost and accuracy * Do your own project management, rolling out your initiatives to customers * Track users, measure interactions and extract conclusions * Talk to customers to validate ideas and get feedback Example Work * Enabling Fina to match bank movements with invoices, finding gaps and reporting them to the suppliers via AI phone call. * Enabling business data to tell the story of the restaurant to their owners, displaying them financial metrics and insights, and enabling AI agents to work on that data. * Increasing adoption of inventories to 50% of customers, a crucial part of operations at a healthy restaurant business. * Building MVPs for traceability, enabling groups of restaurants to comply with food health inspections, and evolving it based on feedback.



Requirements * 3+ years of engineering experience working on SaaS applications in Agile environments. * Product Engineering experience: end-to-end from ideation, infrastructure, backend, frontend, testing, etc. * Experience setting up or working with infrastructure (using services, serverless functions, databases, external APIs, caches, queues, events, etc.). * Very good use of AI tooling. * Fluent in Spanish and comfortable in English. * Previously built AI workflows for production is a plus. Benefits * Competitive salary (€40–55k gross/year), with increasing raises. * Bright modern office in Barcelona, in Poblenou. * Hybrid work with 2 days at the office. * All AI tooling for experimentation. * Subsidized Urban Sports Club membership. * Benefits for spending part of your salary via Playflow. #J-18808-Ljbffr

📌 Product Engineer (Senior Full Stack) (Cataluña)
🏢 haddock (YC W22)
📍 Cataluña