About StreetStreet Smash Burgers was born in Lisbon in 2024 with a simple idea: going back to the roots of the burger with quality product and the smash technique. 100% beef, an open kitchen and a casual, authentic atmosphere. Today we’re growing across nearly 40 restaurants in 4 countries, and we’re looking for people with the drive to learn, energy and rhythm to grow with us.
Madrid, SpainAbout StreetStreet Smash Burgers was born in Lisbon in 2024 with a simple idea: going back to the roots of the burger with quality product and the smash technique. 100% beef, an open kitchen and a casual, authentic atmosphere. Today we’re growing across nearly 40 restaurants in 4 countries, and we’re looking for people with the drive to learn, energy and rhythm to grow with us.
The roleWe’re looking for a Fullstack Developer with a strong backend focus to own features end to end, from the data model to the interface. You’ll build with solid engineering practices and use AI tools to move faster without cutting corners.
What You’ll DoDesign and build scalable backend systems, applying patterns like Repository, Factory,



CQRS and Dependency InjectionDesign relational schemas and optimize complex queries in PostgreSQL and PostgRESTBuild modular, strongly typed APIs and services with NestJSBuild and connect clean, functional interfaces in React (Vite or Next.js)Use Claude Code and other AI tools to speed up your work, guiding them with clear patterns and contextBreak down ambiguous problems, research them and ship pragmatic solutionsAsk questions early and challenge ideas when there’s a better wayWho we’re looking forMust-haveSolid backend experience with Node.js, TypeScript and NestJSStrong PostgreSQL and advanced SQL skills (schema design, query optimization)Hands-on use of SOLID, design patterns, Clean Architecture and testingExperience building interfaces in ReactAutonomy, pragmatism and open communicationProfessional working proficiency in EnglishNice-to-haveExperience with PostgRESTExperience with Next.js or ViteExperience using AI coding tools (e.g. Claude Code) in your daily workflowWhat

we offer
A structured, fast-growing companyDynamic, results-oriented environmentContinuous training and real career growthCompensation package based on experienceCompany benefits

📌 Fullstack / Heavy-Backend Developer (NestJS + PostgreSQL) (Madrid)
🏢 Street Smash Burgers
📍 Madrid