Empleos de tech fullstack engineer en Madrid

Health can’t wait . Not for symptoms to get worse. Not for a six‑month appointment. Not for a system to catch up. But that’s exactly how healthcare works today. You wait, until you can’t. Alan exists to end the wait. Health is a universal right, and we believe this right can only become real when it’s coupled with prevention. We need to stop...

Ingeniero/a para liderar desarrollo de nuevos compuestos plásticos y optimizar formulaciones en aplicaciones reguladas, coordinando con equipos y apoyando al cliente.

Mínimo 3 años de experiencia laboral en organizaciones internacionales o intergubernamentales, o en administraciones nacionales centrales.Mínimo 1 año de experiencia laboral en los sectores farmacéutico, de la salud o agroalimentario.Desarrollo con Java y Java Enterprise (JDK hasta al menos la versión 11 o versiones más recientes, JEE hasta al menos...

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an independent provider in the external market to...

SEIDOR está buscando un Desarrollador Full Stack con inglés alto para unirse al equipo de Customer Experience. Trabajarás en proyectos de transformación digital para clientes nacionales e internacionales, participando en todo el ciclo de desarrollo y promoviendo soluciones que mejoren la experiencia de usuario y el valor de negocio.Formarás parte de un...

We are looking for a Lead FullStack Engineer with strong backend expertise to help us build reliable, scalable, and high-quality products.You will lead a small engineering team consisting of 3 engineers and 2 QA specialists.This is a hands?on role requiring deep involvement in architecture, complex technical challenges, and production development.We expect...

Our agentic platform helps finance and operations teams worldwide remove manual work from their core business processes, so work runs end-to-end with greater control and significant productivity gains. Today, over 550 enterprise customers use BLP across 1,300+ deployed projects. The Platform Team owns what all of them are built on: shared services and APIs,...

Journi Limited in Barcelona, Spain, is seeking a Full Stack Engineer specializing in .NET and Vue to design, build, and refine web applications across frontend and backend layers. You will work with .NET 6+ and Vue 2/3, delivering user-friendly interfaces and robust architectures alongside client teams.The role emphasizes autonomous work and collaboration in...

THEWHITEAM Consulting is seeking a Senior Fullstack Developer to join a dynamic technology team in Barcelona. You will build robust web apps with Next.Js, React, and Tailwind on the frontend, and Python with Fast API on the backend, while contributing to cloud-based solutions using AWS in a Scrum environment. You will mentor junior developers, collaborate...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We're redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes from a simple idea: help teams work smarter,...

Responsibilities ~ be able to handle a technical analysis and the associated implementation. Competences Java senior (5 years experience at minimum) Knowledge of APIs Rest and knowledge of Knowledge of Springboot and SpringBatch Knowledge of MQ Series/TIBCO Knowledge of IT security & cryptograhy Knowledge of Swift messages Jasper Reports skills will be...

Affinist, a remote-first company operating across Europe, seeks a Senior Full-Stack Software Engineer for the Repayments UX team. You will own quarterly goals, guide engineers, and drive scalable features across web and mobile platforms.The role requires 4+ years of experience with React Native and web frameworks, plus backend skills in Python or Kotlin. We...

Sobre Unlimiteck Unlimiteck es mucho más que un company builder: es el origen de un ecosistema tecnológico diseñado para crear, lanzar y escalar compañías capaces de transformar industrias. Desde su nacimiento, Unlimiteck ha apostado por una forma distinta de construir empresas: equipos pequeños, altamente especializados y con mentalidad emprendedora;...

To accelerate our growth, we're looking for a talented Software Engineer to join our Engineering team and help us build an innovative product that will make a real impact on how thousands of users work every day. You'll design, develop, and maintain our digital product, ensuring scalability, performance, and security while delivering features that truly meet...

About Tuyo exists to help people progress in their financial life. It is a self-custodial crypto money app, bringing together wallets, stablecoins, banking rails and cards while customers control their keys and funds. We are a small, product-minded team serving thousands of customers in more than 130 countries. We are venture-backed, have raised our seed...

About the Project & Team We started Lingo.dev at a hackathon and, after winning the best dev tool award, we just kept building. It evolved into a developer-loved toolkit with hundreds of active users, 7,000 weekly CLI runs, 5,000 Git Hub stars, and over 100 million translated words. We've graduated from the world's best tech accelerator (Y Combinator) and...

We are looking for a Lead Full Stack Engineer with strong backend expertise to help us build reliable, scalable, and high-quality products. You will lead a small engineering team consisting of 3 engineers and 2 QA specialists. This is a hands‑on role requiring deep involvement in architecture, complex technical challenges, and production development. We...

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...

Meet Siena Siena is the Agent of Record for CX, built for consumer brands like Spanx, FIGS, Brooklinen, and Grüns. It runs as a connected multi-agent stack on top of a shared intelligence layer: agents that sell, support, listen, handle social and voice across the entire customer journey, turning every conversation into signal you can act on. The team We...

¿Fullstack, Platform Engineering, Cloud y Developer Experience en una misma posición? Desde Q-tech estamos colaborando con una gran compañía tecnológica internacional para incorporar un/a Platform Fullstack Engineer a su hub tecnológico de Barcelona.Pero ojo: no buscamos simplemente a alguien que haga frontend + backend.Buscamos un perfil con verdadera...