Empleos de full-stack engineer nodejs nextjs en Madrid

Lever, Inc. is seeking a Staff Full Stack Engineer - Sell Side Engine based in Spain. The role focuses on hands-on engineering to rebuild systems supporting origination, contracting, onboarding, and growth in a rapidly scaling energy technology environment. You will own architecture decisions, work across pricing, data, billing, and risk platforms, and...

Joppy is looking for a proactive Product Engineer in Barcelona to design impactful features for restaurant operations. You will work on building and maintaining a full-stack platform while enhancing automation with AI.The ideal candidate has at least 3 years of experience in SaaS development, familiarity with TypeScript, React, and Node, and fluent Spanish....

mediasmart, part of the Affle group, is looking for a Senior Full Stack Engineer to join our product technology team. You will develop for our main products: the API and the web frontend, serving large agencies and direct customers across the globe. You will own features end-to-end from concept to deployment, collaborate with cross-functional teams, and...

Bark is seeking a Senior Full Stack Engineer to join our Acquisition squad. You’ll work on Python backend and React/Type Script frontend, shaping marketing tech that drives customer growth in a fully remote role based in Spain. You’ll collaborate with marketing, product and design, build AI-powered tooling, implement guardrails for live AI outputs, and...

Parser Limited is seeking a Senior Full Stack Engineer to drive development across the JVM backend (Java/Kotlin) and modern frontend (Java Script/Type Script) in a hybrid Madrid setting. You will own features from API design to UI implementation, collaborating with product and design teams to deliver scalable, user-centric travel ecosystem solutions. The...

Ubicación: Manoteras, Madrid (Modalidad Híbrida) 3 días presenciales en oficina y 2 días de teletrabajoAños de Experiencia Requeridos: 5+ añosEn Zemsania, buscamos, para incorporación directa a plantilla de importante empresa tecnológica, un perfil de Senior Full Stack Developer / Technical Leader. Si eres un apasionado de la tecnología, con una...

rindus Technology S.L, collaborating with C&A, is seeking Front-end Engineers to build responsive web apps in Málaga or from home. You’ll work across React, Vue.js, Angular, and related tools, shaping UX and product delivery within a distributed team. You will collaborate with backend, DevOps and QA, contributing to architecture decisions and adopting...

Mainloop Barcelona is building a new engineering team in Barcelona to own production software, from idea through launch, leveraging AI agents and a shared architectural framework. This role emphasizes deep technical ownership, architectural decision-making, and a strong collaboration with product owners and other engineers. As a Frontline engager in an...

BESTSECRET, the leading European online premium fashion platform, is building a modern, Kubernetes-based supply platform from Málaga. We seek a Full Stack Software Engineer to contribute to end-to-end purchasing and article onboarding workflows. You will collaborate with Product, Design, and BI teams to drive data-driven decisions, scalability, and reliable...

Alan is seeking a Software Engineer to join our team in Spain. You will build and evolve our employee affiliation engine, simplify payroll and billing tools for HR teams, and create seamless integrations with Payfit and Workday. You’ll automate workflows at scale and collaborate across product, design, and operations to deliver a unified experience. We...

Cakewalk is seeking a Senior Full-Stack Engineer to build and improve customer-facing features across the frontend and backend. You will own features from early discussions through implementation, testing, release, and ongoing maintenance. You will collaborate with Product and Customer Success to translate customer needs into reliable, maintainable...

UST España & Latam is seeking a Senior Full Stack Developer (AI-Native) to join an innovative technology team. You will design, develop, and maintain scalable enterprise applications for a leading international banking environment, leveraging Java, Spring Boot, Hibernate, and Angular within a 100% remote setup in Spain. You will work with modern...

Frontiers is seeking a Senior Full-Stack Engineer with a backend lean to join the RTM team. You will own complex backend systems and full-stack features end-to-end, from specification refinement to production monitoring. The role emphasizes autonomy, ownership, and technical leadership, with a distributed, AI-enhanced development lifecycle and a focus on...

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a backend lean to join the RTM team. You will own complex backend systems, lead end-to-end features, and drive production reliability for a distributed. NET/Vue/Nuxt platform. You will mentor peers, shape architecture, and ensure scalable, high-performance experiences for researchers worldwide....

Avooq is seeking a talented Full-Stack AI Engineer to migrate to scalable infrastructure and maintain a high-performance platform. You will lead the migration to custom cloud infrastructure, build scalable React/Next.Js and Node.Js systems, and deploy production-grade AI/LLM integrations with high concurrency. Ideal candidates have 5+ years of full-stack...

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a strong backend lean to join the team powering the Research Topic Management (RTM) platform. You will own complex backend systems and full-stack features end-to-end on a distributed. NET/Vue stack, delivering robust, production-grade software for researchers worldwide. You will collaborate with...

Frontiers Careers is seeking a Senior Full-Stack Engineer to own backend systems and full-stack features for the RTM platform. You will work across. NET Core backends and Vue/Nuxt frontends, collaborating with product managers and engineers to design scalable, reliable solutions. You will drive architecture decisions, optimize SQL Server workloads, and guide...

Techmunity is hiring Senior Full Stack Engineers to build AI-powered agents that can resolve customer service problems by interacting with brand data. You will design and implement backend and frontend systems, connect data sources, and scale infrastructure to support real conversations. You will work on cross-functional features across LLM/agent systems,...

Capitole keeps growing, and we want you to grow with us! We are seeking a Senior Full-Stack Developer (M/F) to join an international project. You will design, develop and maintain scalable full-stack applications using Java, Spring Boot, and Angular, contributing to architecture and DevOps practices. The role requires 3+ years of experience, strong...

Full Stack Engineer (Senior/Lead) ID41561 ($2,500 signing bonus) AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in application development and AI/ML, and our people‑first culture has earned us multiple Best Place to Work awards.Why...