Empleos de backend engineer en Madrid

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Engineer based in Spain.Join a small, ambitious product team building technology that helps hundreds of thousands of users better understand and manage their finances. You’ll play a key role in developing the central API...

Join to apply for theBackend Engineerrole atNationale-Nederlanden 3 days ago Be among the first 25 applicants Join to apply for theBackend Engineerrole atNationale-Nederlanden Nationale NederlandenOxygenis a subsidiary company of Nationale Nederlanden Group located in Madrid, Spain.We deliver IT services and solutions for the different international Business...

Marosa is a leading FinTech company based in Vigo, specialising in tax technology. Our mission is to simplify global VAT compliance for multinational companies through powerful and user-centric software. We are looking for aBackend Engineerto join our growing engineering team. You will contribute to building and maintaining the backend systems that power our...

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...

Camlin is a global technology leader that operates with the vision of bringing revolutionary products to life for a wide range of industries, including power and rail, and also has interests in a number of R&D projects in a variety of scientific sectors.At Camlin we believe in high quality engineering and design, allowing us to develop market leading...

Albertine builds white-label digital concierge experiences for luxury brands and their members. Our backend is a multi-tenant TypeScript API platform that powers the member-facing concierge apps, LMT — the internal platform agents use to manage members and operations — plus payments, recommendations, messaging, and a growing set of third-party...

Backend Engineer – AI IntegrationsLocation:Madrid, Spain Department:Engineering AboutVic.aiVic.ai is building the future of autonomous accounting using AI. We help finance teams eliminate manual invoice processing and unlock real-time financial intelligence by combining advanced machine learning, OCR, and scalable backend systems. Our platform processes...

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles. Sign up now at https://app.calyptus.co/auth/candidate/sign-up and let the opportunities come to you. The RoleWe are seeking an experienced Backend Engineer who is excited to build the technical backbone...

IntroductionNationale Nederlanden Oxygen is a subsidiary company of Nationale Nederlanden Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units from Nationale Nederlanden Group Purpose / MissionWhat is the purpose/mission of the position? As a Node.js Backend Engineer, you will have plenty of...

Build the infrastructure that moves money. Ledgers, payment integrations, and APIs that power fintech businesses. About the roleWe're building the platform that lets anyone launch a fintech business. That means reliable ledgers, integrations with stablecoin infrastructure (USDC, Bridge), and APIs developers love to use. What you'll doDesign and build backend...

WHAT TO EXPECT DAY TO DAY We’re looking for a talentedBackend Software Engineerto join our development team and help build solutions that transform complex energy data into meaningful insights. You’ll contribute to an existing platform that enables the visualisation of data collected from IoT devices monitoring the electrical grid, alongside asset...

EnJAKALAseguimos creciendo y buscamos un/aBackend Engineer para formar parte de un equipo de desarrollo en una Plataforma de IA escalableen 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 principales y...

Te apasiona el desarrollo backend y quieres formar parte de un proyecto tecnológico innovador? En Abai buscamos un/a Backend Engineer para incorporarse a un equipo especializado en plataformas cloud y soluciones de voz e IA conversacional, participando en el desarrollo de productos escalables y de alto impacto. ¿Qué harás? • Desarrollar y mantener...

Nationale-Nederlanden Oxygen in Madrid seeks an experienced Node.Js Backend Engineer to modernise backend applications, automate processes and lead tech-driven changes. You will design, implement and maintain scalable services in a cross-functional Agile team, shaping the future of NN's digital

Descripción del puesto / FuncionesArchitecture & Design: Understand the project architecture and design documentation related to the Disaster Recovery (DR) implementation for the Control Plane.Infrastructure as Code (IaC): Build and maintain Terraform/OpenTofu IaC to create required AWS cloud artifacts, specializing in backup/recovery mechanisms,...

Join to apply for theBackend Engineer (Typescript) (50K€-65K€)role atJoppyWe’re hiring aBackend Engineer for our client— someone who’ll own the backend systems that power our crypto and self‑custody platform. You’ll bring deep expertise in Go, TypeScript, RabbitMQ, and Kubernetes, paired with a passion for distributed systems, cryptography, and...

The RoleWe are looking for a Backend Engineer to join a small, high-ownership engineering team working on new product initiatives. You will be primarily focused on new product initiatives, building new services and features, though you may occasionally need to navigate existing codebases. You use AI coding tools as a core part of how you work, and you are...

WELCOME TO OLXWe're building marketplace sustainable ecosystems that millions of people depend on every month – to buy and sell cars, find homes, land jobs, and trade secondhand goods. It's commerce that matters: safe, smart, and environmentally responsible.We do this with courage to innovate, commitment to outcomes, collaboration across 50+ nationalities...

About the role: As a Senior Backend Engineer, you play a crucial role in designing, developing, and maintaining scalable, high-performance backend systems that support fundcraft’s platform. You work closely with cross-functional departments, including frontend engineers and product managers, to deliver robust backend solutions that align with business...

We’re on a mission to make money work for everyone.We’re waving goodbye to the complicated and confusing ways of traditional banking.After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we offer joint accounts, accounts for 16‑17 year olds, a free kids...