Empleos de senior full-stack java engineer en Madrid

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

Raisin, a leading FinTech platform, is seeking a versatile Senior Full-Stack Engineer with a solid foundation in the .NET and SQL Server ecosystem to lead end-to-end feature delivery. You will collaborate with Product, Tech Lead, and Engineering Lead to design, implement, and optimize APIs and web applications, while mentoring peers and driving best...

UST is seeking a highly skilled Developer Analyst - Full Stack Developer with at least 5 years of professional experience to design, develop, and maintain scalable web applications. The role spans frontend and backend, using Angular, Node.js, Spring Boot, and OpenShift, and involves agile collaboration across cross-functional teams. You will contribute to...

Jet Aviation in Madrid, Spain is seeking a dedicated Full Stack Software Engineer to join the IFX platform team. You will develop front-end and back-end services, applying Clean Architecture and CQRS patterns to deliver scalable software for aviation. You will collaborate with Basel engineers, contribute to automated tests, and participate in architecture...

Braintrust is seeking an AI Engineer to build and scale LLM-based conversational agents for a healthcare-focused platform. You will design prompts, decision logic, and integrate AI with backend services, queues, and APIs across a remote environment. The role requires mid to senior level backend expertise, hands-on chatbot experience, independence, and strong...

Tecdata Engineering busca un Java Full-Stack Developer para un proyecto de analítica de redes en una plataforma cloud-native. Participarás en el ciclo completo de desarrollo: diseño de soluciones, desarrollo backend con Java 17+, frontend con React y TypeScript, pruebas y despliegue en entornos cloud.Se trabajará en un equipo reducido en modalidad...

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....

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,...

Jobgether SRL is seeking a Full-Stack Engineer (Backend Leaning) – Payments Engineering, based in Spain. You will build and evolve the payment infrastructure powering billing, usage tracking, pricing, and payment processing for self-service and enterprise customers in an AI-focused environment. This remote role offers significant technical ownership,...

Pyramid Consulting, Inc. is seeking a remote contractor for a four-month engagement to evaluate and prototype video conferencing integrations for Zoom and Webex, focusing on building custom meeting experiences and end-to-end prototypes. You will assess platforms, document findings, and deliver proof-of-concept implementations spanning frontend, backend, and...

IFS is seeking a Senior Full Stack Engineer to join its Industrial Sustainability Reporting Platform. The role focuses on building scalable, AI-native features across frontend and backend, with strong emphasis on modular, API-first design and cloud-native deployment.Hybrid work options are available within a globally distributed team. The candidate will own...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Full-Stack Engineer (Backend Leaning) – Payments Engineering based in Spain. As a Full-Stack Engineer specializing in backend development, you will help build and evolve the payment infrastructure that powers a rapidly growing...

Jobgether SRL is seeking a Full-Stack Engineer with a Backend focus to help build foundational platform systems powering AI products. The role involves user management, workspaces, authentication, permissions, and resource access, with work spanning backend services to admin dashboards. You will own features end-to-end, collaborating with Product, Sales, and...

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for...

SpainR&D - Engineering/Prod Dev /Full-Time /On-siteWho We Are: At Emburse, you’ll not just imagine the future - you’ll build it. As a leader in expense intelligence, we are creating a future where technology drives business value and inspires extraordinary results. Emburse software engineers contribute to the development of an engaging and interconnected...

SimpleStudy is a consumer AI platform for students. We help them stay motivated to study Biology, Mathematics, Literature, and Art. Our small team has already helped +1.5 M students worldwide and adds 40–50k new students weekly. We are a remote team with a Lisbon office and have raised ~$4M in seed funding from notable investors. We seek a senior...

DesdeSEIDOR GESEIN , seleccionamos un/aFull Stack Seniorpara incorporarse a un proyecto tecnológico estable, trabajando en un entorno internacional y 100% remoto. Buscamos un perfil con experiencia sólida tanto endesarrollo Frontend como Backend , capaz de participar en todo el ciclo de desarrollo: análisis, diseño, desarrollo e implementación de...

La empresa se llama PayMark Fast, y es una start-up tecnológica que usa el Big Data y el IoT para agilizar la experiencia en tiendas y almacenes, así como mejorar la trazabilidad de productos en estos lugares.Estamos situados en Wayra, un hub de innovación abierta localizado en el edificio de Telefónica de la gran vía.Descripción del empleoCambiar la...

We're looking for aSenior Full Stack Developerwho thrives in complex enterprise environments and enjoys collaborating with multidisciplinary teams to deliver impactful technology solutions from concept to production. In this role, you will play a key part in designing, building, deploying, and maintaining modern applications that support critical business...

KPS Iberia in Barcelona is seeking an experienced Senior Tech Lead / Full-Stack & DevOps Engineer to own complex digital and e-commerce platforms for major international clients. This hands-on leadership role combines architecture, technical project leadership and hands-on engineering. You will guide technical decisions, coordinate developers, and ensure...