From internal tools to company-wide workflows, Noloco turns your data into a custom, AI-powered app your team will love to use. We empower teams running complex operations to create custom portals, such as internal tools, client portals, and CRMs. Changing the way small and medium-sized businesses grow and work together.Backed by Y Combinator, Frontline and other top-class investors, Noloco is a fast-moving, remote-first company with a team spread across Ireland, Spain, and North America.Our MissionOur mission is to let businesses of all sizes build truly custom software, without writing code. As a Senior Full Stack Software Engineer, you'll be a key driver of this mission, working across both the frontend and backend to deliver an exceptional product experience. You'll shape our AI Co-Builder, APIs, workflow engine, data models, and user interfaces, ensuring performance, reliability, and beautiful UX for customers.About UsWe pride ourselves on a culture of autonomy, speed, and craft. At Noloco, you'll join a team that trusts each other to take ownership and execute. You'll work closely with our founder and product designer and collaborate across product, growth, support, and engineering to ship meaningful improvements end-to-end, from design and implementation to measurement and iteration.This is a unique opportunity to own entire features in a fast-growing SaaS company and help shape the future of how software is made.What You'll Be DoingBuilding end-to-end features across our stack: backend services, GraphQL APIs, and React-based UIAdvancing the capabilities of Nola, our AI Co-Builder,



leveraging the latest improvements from frontier modelsDesigning and improving reusable React components and design systems that power Noloco's app builder experienceScaling our backend systems and APIs to handle growing customer demandCollaborating with Product and Design to deliver intuitive, polished user experiencesImproving analytics, observability, monitoring, and alerting across the stackDriving technical discussions and mentoring other engineers to raise the barWhat You'll Actually Be DoingAdding new components or improving existing ones to the Noloco App BuilderAdding more tools/logic to our AI Co-Builder so users can interact with the Noloco platform through chat, or MCPExtending our native data tables with new field types, UX improvements, and performance enhancementsBuilding integrations with external data sources and APIs to open up new workflowsExtending Noloco's workflows and automations to let customers connect and automate their toolsOwning full-stack performance: optimizing queries and frontend renderingMonitoring and improving end-user experience from first click to final API callWe'd Love to Hear From You If You Have:Significant experience (4 years)



working as a full stack engineer on complex web applicationsStrong JavaScript/TypeScript skills across Node.Js and React.JsExperience designing clean, scalable APIs (GraphQL experience a plus)Experience building and improving AI powered agents, workflows and user-experiencesSolid understanding of frontend performance, state management, and design systemsA product mindset --- you care about the user experience, not just shipping codeComfortable working without PM overhead; you want to help to shape the problem, not just implement a specExperience at a startup or a company with a genuinely high engineering barOur TechBackend: Node.Js (TypeScript), Postgres, MongoDB, RedisFrontend: React.Js, Tailwind, ShadCN UIModels: A mix of OpenAI and Anthropic modelsAPIs: Internal Node GraphQL & REST APIs, dynamic GraphQL APIsInfrastructure: AWS ECS, Lambdas, monitored with Grafana & SentryTools: GitHub, Linear, SlackHarnesses: We mostly use Claude Code, but encourage you to use the best setup for youWhat we offerInteresting and challenging workWork-life balanceCompetitive salary and equityEmployee-friendly equity terms (extended exercise)Work remotely, hybrid or in-office, your choiceHealth Insurance & Wellness allowanceRegular team events and off-sites5 weeks of paid vacationAny Equipment you need to work from home or officeWhere You'll WorkHybrid from our Barcelona office.Our Engineering team is spread across Ireland and Spain, so we're remote-first but meet regularly in person, including at least one annual offsite. We're building out our engineering team across Barcelona and Ireland, and are open to either location.#J-18808-Ljbffr

📌 Senior Software Engineer (Madrid)
🏢 remoteo
📍 Madrid