Empleos de backend engineer nodejs en Madrid

At ING we are looking for a Software Backend EngineerYour role and work environment:We are looking for a talented and enthusiastic Software Engineer Backend to join us.Your key responsibilities:As an experienced Software Engineer Backend, your aim will be:To design, develop and test the code that will shape the different components of the application,...

About Air AppsAt Air Apps, we believe in thinking bigger - and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal, in 2018 - and now with...

Senior NodeJS Backend Engineer About Us Afori is completely changing the way of work in one of the world’s largest industries - insurance. We're an AI-first company with a vision to enable the insurance industry to embrace an agentic world. Afori is an AI platform built specifically for insurance brokers, automating back-office work starting at the inbox...

About Air AppsAt Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices...

Overview In this role you build end-to-end TypeScript features across the stack, shipping high-quality, secure product improvements that users feel in their workflows. You own a product area from discovery to delivery and work closely with product to translate customer problems into measurable outcomes. You’ll iterate rapidly, balancing UX, performance,...

Who We Are WhereTo is a business travel startup from San Francisco that evolved into an agile development and design studio within the Flight Centre family. We build travel solutions used by some of the largest companies on the planet - we have just one goal: making business travel better for everybody. WhereTo provides an AI-powered travel platform for...

Location: Come and join us in Barcelona!We are looking for a talented and motivated Backend Engineer (m/f/d) for our Driver Engagement Team.As part of a highly skilled, cross-functional team comprising Mobile Engineers, Backend Engineers, a Product Manager, a Product Designer, a Data Analyst, and an Engineering Manager, you will help shape the future of...

Who we are:Marfeel is a publishing intelligence platform trusted by over 5,000 publishers worldwide: including Business Insider, Le Figaro, El País and McClatchy. We help publishers turn data into action: understanding what content is working right now, what has performed over time, and what to do next. Our platform gives editorial, SEO, audience, and...

About the OpportunityYou will work in the Incentives team within the Grow & Engage domain. This is the heart of the customer experience ranging from the acquisition and signup to our premium membership tiers and the daily engagement of our users. You will work in teams delivering the newest and most innovative features serving our customers in the best way...

En JAKALA seguimos creciendo y buscamos un/a Backend Engineer para formar parte de un equipo de desarrollo en una Plataforma de IA escalable en nuestra oficina de Madrid, Barcelona, Gijón o Pamplona (o posibilidad de trabajo remoto). Estamos desarrollando una plataforma basada en arquitectura modular con dos backends principales:Node.js (servicios...

About Air Apps At Air Apps, we believe in thinking bigger and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018 and now with offices...

Do you want to change the world? At Cabify, that’s what we’re doing. We aim to make cities better places to live by improving mobility for the people living in them, connecting riders to drivers at the touch of a button. Maybe one day cities will be places where nobody needs a private car. But we’ve still got a long way to go… fancy joining us? At...

CrowdFarming® es el principal mercado tecnológico europeo de agricultor a consumidor. Estamos construyendo toda la tecnología y la logística para que los consumidores puedan acceder al mayor catálogo de agricultores ecológicos y regenerativos. Nuestra visión es construir la cadena de suministro de alimentos más sostenible para que los agricultores...

Responsibilities You will be working closely with product leaders and designers in teams responsible for the development of our Real Estate Agent Platform and Mortgage Broker Portal using modern, state‑of‑the‑art technologies in an innovative and collaborative environment. Tech Stack Kotlin / Spring Boot, PostgreSQL, AWS Hands‑On Engineering:...

Overview As a Backend Engineer at Octopus Energy, you contribute to high-impact MVPs that empower millions of customers and internal teams. You work across international, cross-functional teams to identify real business needs and translate them into fast, practical tech solutions. You will develop parts of our private area, billing, onboarding flows, and...

Colliers is a leading diversified professional services and investment management company. With operations in 68 countries, our 22,000 enterprising people work collaboratively to provide expert advice to maximize the potential of property and real assets to accelerate the success of our clients, our investors and our people.We are at the forefront of the...

We are on a mission to pioneer the world’s next era of play. As we grow across Europe and Latin America, we’re building The Playstack - the technology powering the next generation of sports, gaming, and fan experiences. Join us, and help make it the most widely used platform in the world! From operations, to marketing, to product, we are looking for...

You'll own the platform our agents run on — event-driven architecture, data pipelines, integrations with customer accounting systems, and the infrastructure that makes everything reliable, auditable, and fast.What you'll doEvent store — Append-only PostgreSQL with tamper-evident hash chaining, real-time event distribution, agent replay and recovery,...

About Air Apps At Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with...

Seeking a Backend QA Engineer in Lisbon to test APIs and databases, ensuring backend system reliability and performance. Requires 2-3 years of experience with Node.Js and TypeScript.