pWe are an international technology scale-up in a strong growth phase, building our own product with a strong focus on strongArtificial Intelligence, Data and Automation /strong. /ppOur mission is to transform the way people invest in Real Estate by combining strongAI, advanced analytics and technology /strong. Operating across multiple international markets, we are entering a key stage of growth where strongArtificial Intelligence will become a core pillar of both our product and engineering strategy /strong. /ppstrongWhat will you do? /strong /ppWe’re looking for a strongSenior Fullstack Engineer /strongwho thinks like an owner, not a ticket-taker. This is a strongcross-functional role /strong: you’ll work on complex projects across multiple teams with a high level of autonomy, taking ideas from a high-level problem statement through to production. You’ll have the experience to strongdesign and defend backend architecture /strong, along with the product mindset to understand why we’re building something, not just what we’re building. /ppThis is a stronghands-on role /strongwhere you’ll have a meaningful impact on both the product and the engineering team. You’ll help raise the technical bar and contribute to improving how we build, including the stronguse of AI-assisted workflows /strongand internal tools that help the team work more efficiently. /ppstrongKey responsibilities: /strong /pullistrongOwn features end-to-end: /strong from architectural decision to production, including the trade-offs, the edge cases, and the follow-through. /lilistrongDesign and defend backend architecture: /strongevent-driven systems on AWS, built to be resilient, cost-aware, and scalable.



/lilistrongContribute across the frontend /strongin our React / Next.js ecosystem when the work calls for it. /lilistrongBuild our AI-augmented development practice, /strong not by asking an AI to "write this feature," but by understanding the full development loop and building the internal agents, tooling, and workflows that make the whole team faster. /lilistrongRaise the bar /strong for the engineers around you through mentorship, code review, and the patterns you establish. /liliMove with a bias for action: ship, learn, iterate. /li /ulpstrongRequirements: /strong /pulliA strong backend engineer with proven experience designing scalablestrong, event-driven architectures and structuring well-modeled databases, /strongand the ability to defend your decisions, not just implement. /lilistrongEngineering leadership: /strongInfluencing technical roadmaps, setting standards, and mentoring other engineers. /lilistrongAWS expertise, /strongespeciallyforstrong event-driven, serverless architectures, Lambda, /strongmessaging/eventing (EventBridge, SQS), API layers, and data stores such as RDS (PostgreSQL), etc. /liliComfortable and productive in astrong React / Next.js frontend. /strong /lilistrongA genuine owner: /strongyou take a problem from an ambiguous idea to a shipped product and you're comfortable adapting as priorities shift with demand in a fast-growing startup.



/liliYou already stronguse AI in your daily engineering flow /strongand have opinions about where it helps and where it doesn't. /lilistrongFluent in Spanish and English (Mandatory) /strong /liliExperience building strongLLM-based agents, skills, and rules /strong, or developer tooling and orchestrating them into real workflows. /liliExperience working with strongdesign systems. /strong /liliEarly-stage / startup experience where you wore many hats. /li /ulpstrongWhat we offer: /strong /pulliCompetitive salary package. /lilistrongHybrid work model with flexibility /strong. /lilistrongFlexible working hours /strong, focused on ownership and outcomes. /lilistrong23 days of paid vacation /strong. /lilistrongGympass membership: /strong discounts on sports and wellness activities. /lilistrongTraining and development opportunities /strong. /liliInternational, fast-growing product environment. /liliDirect impact on product and business decisions. /liliModern tech stack with real autonomy to propose improvements. /liliAgile culture, strong technical team, and quality-driven mindset. /li /ulpstrongAt Prophero, we are committed to fostering an inclusive and equitable workplace /strong where diverse perspectives and backgrounds are not only welcomed but celebrated. We believe that diversity drives innovation and empowers us to build stronger connections with our clients and communities. /ppProphero is an equal opportunity employer and is dedicated to ensuring a hiring process free from discrimination based on race, ethnicity, gender, age, disability, religion, sexual orientation, or any other characteristic protected by law. Our mission is to create a workplace where everyone feels valued, supported, and empowered to achieve their full potential. /p #J-18808-Ljbffr

📌 Senior Full Stack Engineer (Node.js / AWS) (Madrid)
🏢 Prophero
📍 Madrid