Empleos de contract full-stack engineer en Madrid

Seeking a Lead Full-Stack Software Engineer with .NET and AI expertise to architect and develop AI-driven financial advisory tools. Responsibilities include leading technical decisions, mentoring engineers, and applying prompt engineering.

Talan – Positive Innovation busca un Desarrollador Full Stack Senior para diseñar y construir una nueva aplicación de monitorización de emisiones, distribución y procesamiento. Se trabajará en un entorno ágil, empleando herramientas modernas y prácticas de IA para acelerar el SDLC.El candidato ideal cuenta con más de 5 años de experiencia en...

Avance Consulting is seeking a Full Stack Software Engineer in Spain to build scalable products with Go on the backend and React on the frontend. You will own features end-to-end from design to testing and delivery, collaborating closely with Product and Design teams.The role is hands-on, contributing to architecture decisions, and maintaining code quality...

Finom is seeking a highly skilled Machine Learning Engineer / Full-stack Data Scientist to join its Madrid team, developing end-to-end ML solutions for financial crime detection and onboarding processes. You will deploy models in production and collaborate across product and infra teams.You will own the Dynamic Risk Score across markets, optimize ML-driven...

Oxigent Technologies busca un AI Product Engineer para liderar soluciones digitales de alto impacto basadas en IA generativa y automatización, dentro de un proyecto estratégico de I+D en Barcelona. Se trabajará en diseño centrado en usuarios y en integración con sistemas corporativos, manteniendo un enfoque end-to-end.Se exige mínimo 3 años de...

Rindus is looking for a Full-stack Engineer to join our team and build high-quality, customer-facing web applications using React, TypeScript and Node.Js. You will work in a distributed team from our Málaga office or from home, contributing across the full development lifecycle and taking ownership of production systems.Join a product-focused engineering...

Sateliot, a Barcelona‑based satellite company, seeks a Senior Full Stack Engineer to own features end‑to‑end across Laravel (PHP) and Python codebases. You will surface data for internal tools, partner with Core Network teams, and ensure high quality with automation and reviews.You’ll mentor peers, ship production systems, and operate deployments in...

CONVOTIS Iberia te invita a formar parte de un programa de talento remunerado centrado en Spec-Driven Development (SDD). Buscamos un perfil full stack senior con base en arquitectura y diseño de APIs, para formarte y luego integrarte a un proyecto real dentro de la compañía.Disfrutarás de un horario flexible, posibilidad de oficina o teletrabajo,...

Commercetools is hiring a Senior AI Engineer to own end-to-end AI capabilities, from data and context feeding models through agent orchestration to a live, trusted generative UI. You will ship and operate full-stack apps in production, spanning backend, frontend, data, and ML, with a focus on reliability and measurable improvements.You will build agent...

Ambit Iberia is seeking a Senior Full Stack Developer to design, build, and deploy enterprise-grade apps with AI capabilities. You will work across frontend and backend teams, implementing REST APIs, microservices, and OAuth2 security while leveraging OpenShift/Kubernetes and cloud-native patterns.Remote role with flexible schedule and opportunities to work...

Jobgether SRL seeks a Staff Full Stack Engineer to lead architecture for Sell Side Engine in Spain. The role blends backend systems work with frontend contributions and focuses on scalable automation for commercial processes.You will influence pricing, data, billing, and risk platforms while building solid, testable software across the stack. Fully remote...

T-Systems Iberia is seeking a Senior Software Developer with Java, Angular and DevOps skills to design, implement and maintain back-end, front-end and DevOps solutions for a broad range of business challenges. You will work with product owners and cross-functional teams to understand needs, improve products and services, and increase operational...

Leyton in Barcelona seeks a Full-Stack Engineer to join a growing team building AI-native software for professional services. You will own end-to-end delivery, shaping architecture and quality across multiple products.Expect to collaborate with product owners, navigate varied domains, and contribute to production-grade systems used across Europe. You will...

Simple Life App in Spain is seeking a senior, product-minded engineer to join our technical marketing team and build web products, growth tools, integrations, and automation.You’ll own initiatives end to end—from gathering requirements and researching solutions to shaping the UX, defining an MVP, designing the architecture, and shipping to production. We...

UST is seeking a Senior Full Stack Engineer to join a cross-functional Dev Ops‑oriented team in Madrid. You will design, develop, deploy, and monitor modern, secure, and scalable digital banking solutions for an international project. The role requires strong Java/Spring Boot and React expertise, RESTful APIs, Kubernetes, and experience in Agile...

OverviewDo you want to work for one of the biggest consulting companies in Spain, with a focus on building meaningful business impact while maintaining a healthy life balance? Our motto is: "Life before work".At mediasmart we are looking for a software engineer to join our team, whose main function will be to develop for the main products we offer to users:...

Talan is seeking a skilled Full Stack Developer for a 2-month project to join their engineering team remotely. You will be responsible for building and maintaining web applications using React on the frontend and Nest.Js (or Node.Js) on the backend.The ideal candidate should have a minimum of 2 years of experience in Full Stack development and be fluent in...

Senior .NET Full-Stack Developer/Integration Engineer - Remote - European candidatesWe are seeking a remote Senior .NET Full-Stack Developer/Integration Engineer for an International Institution, with experience in Web development applications, integration, data migration, back-end, and front-end development.EU candidates are welcome to apply and must be...

T-Systems, Teil der Deutsche Telekom Gruppe, sucht einen Senior Software Developer mit Schwerpunkt Java, Angular und DevOps, um Front-End-, Back-End- und DevOps-Lösungen zu gestalten und zu warten.Sie arbeiten eng mit Product Ownern und cross-funktionalen Teams zusammen, um Anforderungen zu verstehen und Produkte sowie Services zu optimieren. Hybrides...

Actual Talentis the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions.About the client:AGerman Sustainable Tech Unicornthat is redefining how global corporations handle transparency. Backed by a€130M Series Cinvestment, our client has built a proprietary, serverless cloud infrastructure to ensure human rights and...