Empleos de senior full-stack engineer api en Madrid

A leading software development company in Spain is seeking a Full Stack Senior/Lead Engineer to join their agile team. You will build features and enhance user experiences across web and mobile platforms, leveraging your expertise in ReactJS, NodeJS, and React Native. Ideal candidates should have over 5 years of experience in building scalable systems and...

EPAM Systems in Madrid is seeking a Senior Full Stack Engineer for the private banking sector to accelerate your career in financial services technology. You will work in a cross-functional, DevOps-centred team using agile methodologies, delivering high-quality code in Java, React, and TypeScript while collaborating with stakeholders and architects to align...

Longtail Technologies, Inc. is seeking a seasoned backend/full-stack engineer to help evolve Sightline, our conversational analytics and intelligent alerting product. You will own features end to end, from understanding customer problems to deployment and production support. You will design backend services and APIs, ensure robust, observable systems, and...

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...

Ayesa Digital is seeking a Senior Full Stack Developer / Analyst Programmer in Madrid. You will join a stable, long-term project in transport and logistics, contributing across the full stack with Java, Spring Boot and Angular, and collaborating closely with product and operations teams. You will work in a hybrid model in Madrid, using modern CI/CD...

Quik Hire Staffing is seeking a Senior Full Stack Engineer to design, develop and maintain full-stack applications remotely. The role involves collaborating with cross-functional teams to deliver scalable solutions and high-quality software across the stack. You will build RESTful APIs, microservices, and data architectures, write clean, well-documented...

Solera is seeking a Lead .NET Developer in Madrid with 10+ years of experience across .NET, Python, and React/Angular. You will lead full-stack development, architect scalable solutions, and drive DevOps practices to deliver high-quality software. The role requires collaboration with Product Management, Business Analysts, and cross-functional teams in an...

Senior II Full-Stack Engineer (back-end heavy) Location:BarcelonaEmployment Type:Full timeLocation Type:HybridDepartment:EngineeringMeet the team! Our team builds scalable, resilient products using Python/Django on the backend and React on the frontend, all with one goal in mind: creating a smooth, meaningful experience for our learners and tutors.We’re...

CONVOTIS Iberia busca un perfil full stack senior para participar en su programa de talento remunerado centrado en Spec-Driven Development. Se valorará experiencia en arquitectura y diseño de APIs, y la disposición a formarse en este enfoque para después incorporarse a un proyecto real dentro de la compañía. Ofrecemos formación, acceso a herramientas...

Spain | Remote | Senior Engineering Opportunity MaxIT Consulting – Max Corporate Group is looking for a Senior Full-Stack Engineer, Consumer Fintech to join a fast-growing New York fintech company building banking and payment products for US prediction markets and regulated gaming. The company develops consumer-facing financial products covering account...

Noloco is seeking a Senior Full Stack Software Engineer to own features across frontend and backend, building AI-powered tools and scalable APIs. You’ll work on GraphQL, Node.js, React, and data models, delivering delightful UX and robust performance. In a hybrid setup with Barcelona as a base, you’ll collaborate across product, design, growth, and...

E‑Frontiers is seeking a Senior or Lead Full-Stack Developer to join an international project. The role is fully remote from Spain with occasional travel to Milan for 2-3 days every few months. Italian is mandatory for this position. 12‑month duration with potential extension. Holders of strong AWS, Terraform/CloudFormation, Docker, Node.js, React, Jest...

A leading recruitment agency is looking for a Senior Consultant specializing in AI, Semiconductor, and Embedded Systems in Madrid. The role involves taking ownership of AI solutions from concept to production, building intelligent systems, and collaborating across teams to deliver robust AI solutions. Ideal candidates should have strong Python skills,...

Hopper is seeking a senior full stack engineer to anchor HTS Assist, Hopper's agentic AI assistant for travel. You will own the realtime and voice layer end to end, building across React/TypeScript front ends, Scala and Python services, and cloud infrastructure. The role covers telephony integrations, streaming speech-to-text and text-to-speech pipelines,...

Óscala is expanding its remote-capable Full Stack Senior Developer team to support a growing client base across Europe. You will enhance and maintain the Reseller platform, drive backend tasks in a multidisciplinary squad, and collaborate with Product and Customer Success teams to deliver scalable features with high quality. We value strong CS fundamentals,...

We are looking for a Senior Full-Stack Engineer with a strong backend lean to join the team that builds and evolves the platform powering this experience. You will work on the Research Topic Management (RTM) application — a distributed .NET system with Vue/Nuxt frontends, SQL Server-heavy data operations, Github/Azure DevOps-driven deployments, and async...

Kenos Technology busca un Senior Full-Stack para participar en la construcción de una nueva aplicación web corporativa que sustituirá el CRM actual e integrará servicios y activos corporativos. Se valorará experiencia demostrable en Angular, Spring Boot y/o Node.js, PostgreSQL y AWS; capacidad para trabajar de forma autónoma en entornos Agile/Scrum y...

Plexus Tech, una compañía tecnológica con más de 5000 profesionales, busca un/a Senior Full Stack Developer con al menos 5 años de experiencia en desarrollo de aplicaciones web, con sólida experiencia en frontend y backend y conocimiento de microservicios. Contratación indefinida y teletrabajo 100%, integración en un equipo internacional y...

Grupo Digital busca un ingeniero/a senior Full Stack con base sólida en Java/Spring Boot para desarrollar aplicaciones empresariales modernas y acelerar el SDLC con IA. Trabajarás con microservicios, REST APIs y pipelines CI/CD, integrando IA en generación de código, testing y documentación. Serás parte de un equipo que diseña, desarrolla y mantiene...

ISOLUTIONS in Barcelona is seeking a Senior Full Stack Developer to join an international team. You’ll work with C#, .NET, React and TypeScript in a hybrid setup from Barcelona, collaborating with teams in Switzerland to deliver high-value software. The role emphasizes design decisions, architectural discussions, and a strong focus on delivering business...