Empleos de full stack engineer en Madrid

Join EPAM as a Java Full Stack Engineer to support a leading global financial services firm. You will drive workflow automation for structured funds, SPV lifecycle management and bespoke client reporting. Your technical expertise will enable seamless connectivity with official trade stores to deliver deep data insights for a leading global financial services...

Hired is seeking an experienced engineer to design, develop, and maintain high-quality code for training and optimizing AI models. You will evaluate model performance and rank responses across domains, while producing clear explanations and rationales for evaluations.The role also leads supervised fine-tuning with the creation and maintenance of...

Journi is seeking a Full Stack Engineer with expertise in .NET and Vue to build web applications end‑to‑end. You will work on frontend and backend tasks, using .NET 6+ and VueJS to deliver user‑friendly interfaces.Collaborate closely with client teams to meet requirements and deliver scalable solutions. Responsibilities include designing, developing,...

IFS is seeking a Senior Full Stack Engineer to help shape and deliver a cloud-based AI carbon intelligence platform. You will lead both front-end and back-end work, influence architectural decisions, and drive high-quality software in a dynamic, diverse environment.You will collaborate across Product, AI, Platform Engineering, and other teams, champion...

Longtail Technologies, Inc. is seeking a senior backend/full-stack engineer to help build and evolve Sightline, our conversational analytics and intelligent alerting platform.You’ll own features end to end—from customer problem through to production—with a focus on reliable, observable systems and AI-native workflows. This backend-focused role requires...

Mainloop Barcelona is seeking Full-Stack Engineers to join an AI-native engineering team. Based in Barcelona, you will help build production software from scratch, growing with the company as it scales and externalises its products over the next 18 months. Two levels exist: four junior seats and one senior seat. You will collaborate with a Product Owner to...

Taptap Digital is looking for a Full Stack Software Engineer based in Palma de Mallorca to develop and maintain a global technology platform. You will work directly with various teams to deliver high-quality solutions for thousands of users worldwide. The ideal candidate has a strong background in JavaScript, TypeScript, and ReactJS, and enjoys solving...

Jobgether, a partner company, is seeking a Senior Full-Stack Software Engineer based in Spain for a fully remote role. You will own features across the full technology stack, deliver with high quality, and build robust automation tests in a modern cloud-based environment. You will collaborate with a distributed team, shape technical standards, and drive...

Cakewalk is seeking a Senior Full-Stack Engineer to build and improve customer-facing features across the frontend and backend. You will own features from early discussions through implementation, testing, release, and ongoing maintenance.You will collaborate with Product and Customer Success to translate customer needs into reliable, maintainable solutions,...

ERNI in Barcelona is looking for a senior data governance software engineer to lead the evolution of an enterprise-wide data governance catalog. You will apply your Python and Angular skills to develop cloud-native solutions and governance workflows across the organization.As a senior contributor, you will mentor peers, shape architecture, and ensure...

Virtusa is seeking a Knowledge Graph (Full Stack) Engineer in Barcelona to design, build, and maintain scalable data pipelines and a knowledge graph for agentic AI use cases. You will work with data scientists, ontologists, and stakeholders to translate requirements into robust data-driven solutions.You will develop data ingestion, transformation, and API...

BESTSECRET in Málaga is expanding its tech hub and hiring a Full Stack Software Engineer to build a Kubernetes-based supply platform. You will develop backend services in Java/Spring Boot, collaborate with product, design, and BI teams, and help automate end-to-end purchasing and onboarding workflows.The role emphasizes data-driven decision-making,...

Omada Identity in Alicante is seeking a capable Full-Stack Engineer to help turn our NHIs product prototype into a production-grade, secure, multi-tenant platform. You will develop backend services in Node.js and TypeScript, build React applications for enterprise customers, and collaborate across architecture, design, and QA to ship robust features in a...

Taptap Networks in Palma de Mallorca is seeking a skilled Full Stack Engineer to design, build, and maintain a global technology platform spanning frontend and backend components. You will collaborate with Product, Operations, Marketing, and Engineering to deliver scalable software used by thousands of users. The role emphasizes frontend development with...

A Senior Software Engineer is needed to design, develop, and maintain complex software components, troubleshoot technical issues, and collaborate with cross-functional teams to deliver scalable solutions.

Confidential Jobs busca un Desarrollador Full Stack para un proyecto estratégico en un entorno tecnológico avanzado. Trabajarás en plataformas que monitorizan, procesan y visualizan datos en tiempo real, integrando sensores y sistemas externos.Requerimos experiencia en Python (FastAPI/Django) y React/TypeScript, con visión de APIs REST y dashboards. El...

MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment.Why does MWDN rock?Here’s what you can expect when you join...

Mondelēz International is seeking an AI Engineer / Full Stack Developer to join the AI Reporting & Insights team in Madrid and Warsaw. You will design, build, and maintain data pipelines and AI-driven applications that transform raw market data into decision-ready insights for stakeholders globally.The role requires strong Python and full stack...

Can you imagine building AI-powered products that transform how business teams generate strategic insights?Join our expert team to work on a Pharmaceutical sector product, contributing to the development of an AI platform that transforms enterprise knowledge into intelligent decision support.You will apply your knowledge of LLMs, RAG, knowledge graphs and...

Description About XeXe is a cross-border payments platform. We help SMEs and consumers in the US, UK, Canada, Australia, and New Zealand collect, convert, hold, and send money across markets. Each year, over 300 million people use Xe for currency information and over 350,000 use us to send money overseas. Today, we’re rebuilding the platform layer behind...