Empleos de backend engineer nodejs en Madrid

Qonto is seeking a Senior Backend Engineer in Barcelona to help build the financial infrastructure that supports 750,000+ European SMEs. You will design and maintain highly scalable APIs and robust banking services that process real money in real time, with zero room for mistakes.You will join a mission-based team of 5–10 engineers, collaborating with...

A global e-invoicing platform is looking for a Backend Product Engineer in Madrid.Solicitar este puesto es sencillo. Desplácese hacia abajo y haga clic en "Solicitar" para ser considerado para esta posición.You will own integrations from research to launch, design and build solutions in Go, and engage with customers to influence product decisions.Ideal...

Senior Fullstack Engineer - Spain - 100% Home Office Friendly (within +/- 2 hours of the UK)Los candidatos deben tomarse el tiempo de leer atentamente todos los elementos de este anuncio de empleo. Por favor, envíen su solicitud sin demora.We're looking for a Senior Backend Engineer to join our Engineering team and drive exceptional product development for...

Nuestro cliente, una innovadora empresa tecnológica con sede en Madrid, busca un experimentado Ingeniero de Software Senior Backend para unirse a su equipo global de desarrollo, con la flexibilidad de trabajar de forma completamente remota desde cualquier lugar de España. Serás fundamental en el diseño, desarrollo e implementación de sistemas backend...

At Julius Baer, we celebrate and value the individual qualities you bring, enabling you to be impactful, to be entrepreneurial, to be empowered, and to create value beyond wealth. Let’s shape the future of wealth management together.We are seeking a skilled Java Backend Engineer to join our team in Madrid. In thisrole, you will contribute to the...

Sabina Divosi | Headhunter & Talent Partner acompaña a una compañía tecnológica consolidada del sector financiero e inmobiliario en la búsqueda de un/a Backend Developer. Trabajarás con Node.js, TypeScript y NestJS en un ecosistema de microservicios, desarrollando APIs críticas e integraciones con partners externos.La posición ofrece un modelo...

Archteam is seeking a founding engineer to join the CTO and CEO, owning large parts of the backend, our agent infrastructure, and the data layer. You will ship to customers from day one and help define the architecture and product direction.You will work on Postgres-backed services, autonomous agent systems, and data pipelines that feed signals and customer...

Revolut in Spain is seeking a Junior Backend Engineer to join our technology team. You will build backend services, APIs, and microservices, contributing to scalable infrastructure used by millions of customers.You should have Java expertise, 2+ years of backend experience, a STEM degree, and strong teamwork and communication skills, with English fluency....

AXPE Consulting está ampliando su equipo y busca 4 Backend Developers especializados en Python para trabajar en un proyecto estratégico dentro de una gran entidad financiera internacional. Te incorporarás a un squad técnico de desarrollo backend y microservicios, con sistemas productivos de alta criticidad y estándares enterprise.La posición implica...

Verisure in Madrid is seeking a Senior Software Engineer to shape the backend platform using Java, Spring Boot and Mongo DB. You will own design and delivery of robust services and help drive best practices across the team.You will mentor colleagues, collaborate with product and QA, and contribute to AI-enabled engineering initiatives while growing toward a...

Triptease is hiring for a remote, backend-forward engineer. You will work across the stack with Type Script, Node.Js and React, operating in a small squad that values collaboration and trunk-based development. The role emphasizes production-readiness, testing, and continuous delivery on Google Cloud Platform and Kubernetes.Based remotely in the UK, Spain or...

ERNI is seeking a senior backend engineer to design, develop and maintain a Python-based MCP backend that links Enterprise Knowledge Graphs with AI agents and cloud data platforms. You will optimize SPARQL queries, scale APIs and extend semantic model compilation while ensuring security and reliability in a cloud-native setup.You will work in a hybrid model...

Duetto Research is seeking a Senior Software Engineer (Backend) to join a fully remote engineering team. You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with engineers across disciplines.The role emphasizes delivering high-quality software in a remote setup with occasional meetups. You will...

Lansweeper in Alicante is seeking a Senior Software Engineer who writes production-quality Go or Rust and designs distributed backend systems at scale.You will work on AI-assisted development, integrate AI/ML capabilities into product workflows, and mentor peers while collaborating with a 40-engineer Spain team. This hybrid role offers three days in the...

Aave Labs is hiring a Staff Backend Engineer to build the backend infrastructure behind Aave App, a consumer savings app that makes onchain financial products simple, secure, and intuitive.The role focuses on the systems between blockchain protocols and consumer experiences, including accounts, wallet services, transaction orchestration, indexing, and APIs...

A leading technology firm in Barcelona seeks a Senior Web Developer with at least eight years of experience in Microsoft technologies. You will be developing backend components and APIs while contributing to project improvements and best practices. The role offers hybrid working conditions, covering certifications, and various perks such as health insurance...

Seqera seeks a Senior Software Engineer to own the backend layer that turns computational capacity into configurable, billable services across AWS, Azure, GCP, Kubernetes, HPC schedulers, and GPU runs. You will shape an application layer that powers Seqera Intelligent Compute and its platform integrations.You’ll collaborate with product, platform, and...

Mercor is seeking a Senior Software Engineer for a fully remote, contract role. The position offers up to $210/hour with a commitment of 20 hours per week. You will evaluate and enhance AI model capabilities, collaborating with research teams while working asynchronously to meet deadlines.The ideal candidate has 5+ years at top US tech firms and a track...

Aircall, a unicorn AI-powered communications platform, is hiring a Software Engineer to design, develop, deploy and operate business-critical features in Madrid. You will work with NodeJS and TypeScript, on AWS, delivering secure, scalable services that connect with CRM, Helpdesk and e-commerce tools.You will collaborate with product managers, designers and...

Se busca programador backend remoto con experiencia en C#, Java o Golang, APIs REST, bases de datos y Docker. Se valora el alemán.