Full Stack Engineer

pp(Based in Milan or Barcelona Office) /p pPillar was founded in 2025. Today, we are 80+ people, serve 900+ customers, raised €12 million in 2026, and are expanding internationally. /p pWe are building the financial operating system for construction: bringing AI, automation, and modern software to an enormous industry still full of slow, fragmented processes. /p pbWe are looking for a product-minded Full Stack Engineer who leans backend, moves fast, and wants to build. /b /p h3What you will do /h3 ul lipOwn features end to end, from product problem to production. /p /li lipBuild across our TypeScript codebase using Next.js, React, Supabase, Node/Deno, Postgres, and Mastra. /p /li lipTake strong ownership of backend logic, data models, APIs, integrations, and product architecture. /p /li lipWork hands-on on the frontend when needed, with a strong preference for engineers comfortable with Next.js. /p /li lipUse AI as a native part of your engineering workflow - not only as a feature you build. /p /li lipWork in small squads with high autonomy and bottom-up initiatives. /p /li lipMove quickly from ambiguity to working product, making pragmatic technical decisions along the way. /p /li lipRaise the engineering bar through collaboration, judgment, and execution. /p /li /ul h3Our stack /h3 ul lipbProduct: /bNext.js · React · TypeScript /p /li lipbBackend data /b: Supabase · Node/Deno · Postgres /p /li lipbAI /b: Mastra · AI-native workflows /p /li /ul h3Who we are looking for /h3 pbProduct engineers with backend depth and high agency /b /p ul lipYou are a product engineer: you build outcomes, not just code. /p /li lipYou are stronger on backend or genuinely full stack. Pure frontend profiles are not our priority for this hire. /p /li lipYou are comfortable with Next.js, React, TypeScript, and modern backend/data patterns. Supabase experience is a strong plus. /p /li lipYou have worked in a startup or scaleup environment and understand the pace, ambiguity, and ownership it requires. /p /li lipYou take initiative, get your hands dirty, and get things done without waiting for perfect instructions. /p /li lipYou are AI-native: AI is already part of how you think, build, debug, learn, and move faster. /p /li lipYou can zoom out to understand the full picture and zoom in when details matter. /p /li lipYou learn from failure, communicate openly, and collaborate without ego. /p /li lipNative Italian or Spanish is mandatory, together with professional working English. /p /li /ul h3How we work /h3 ul lipAgile and squad-based: small teams own their domains, with no unnecessary layers. /p /li lipAI-first: we build and work in the age of AI. /p /li lipFull-stack ownership: engineers are hands-on and accountable for delivered value. /p /li lipBottom-up: initiative is expected, not delegated. /p /li /ul h3The profile that can succeed /h3 pbBackend-leaning · Product-minded · Startup DNA /b /p pThe sweet spot: a hands-on product engineer from a startup/scaleup journey, ideally around the €3M-€30M growth stage, with backend depth and enough frontend fluency to own features end to end. /p h3Location languages /h3 pMilan or Barcelona; native Italian or Spanish (mandatory) plus professional English. /p h3Hiring process /h3 pb01: /bCV screening. /p pb02: /b30-min Talent Call - motivation, Pillar knowledge, mindset, languages, and startup fit. /p pb03: /bTwo 30-min Technical Interviews - one backend-focused touchpoint and one frontend/product-focused touchpoint with engineers from the team. /p pb04: /bPractical Challenge - a Supabase-based exercise in an environment candidates can access. /p pb05: /bFinal Interview with our CTO. /p h3What we offer /h3 ul lipGross salary 55,000-75,000 € /p /li lipThe opportunity to bbuild core parts of Pillar's product and engineering foundations /b as we scale /p /li lipbEnd-to-end ownership /b: from product decisions and architecture to shipping features used by real customers. /p /li lipThe chance to work in an bAI-native engineering team /b, where AI is part of both the product and the way we build it. /p /li lipClose collaboration with bProduct, AI, and Engineering /b, with direct exposure to the problems we are solving for customers. /p /li lipbReal autonomy, responsibility, and room to grow /b as Pillar and the engineering team scale. /p /li /ul /p #J-18808-Ljbffr