Empleos de senior full-stack engineer api en Madrid

Hopper is seeking a senior full stack engineer to anchor HTS Assist, our agentic AI assistant for travel. You will own the realtime and voice layer end to end, building React/TypeScript front ends, Scala/Python services, and cloud infrastructure. The ideal candidate has 6+ years of experience and a track record with realtime/low-latency systems, RESTful...

Trbl Services busca un/a Desarrollador/a Senior Full Stack Web/Mobile con al menos 5 años de experiencia para liderar proyectos web y mobile, con un stack moderno basado en React/TypeScript/Redux/RxJS en frontend y Java/Spring Boot en backend. Ofrecen teletrabajo flexible, horario adaptable, 23 días hábiles de vacaciones, salario competitivo y formación...

Card & Payment Jobs is seeking a hands-on AI Full Stack Engineer to help build a new SaaS ledger platform for an international fintech business. You will work end-to-end on design, development, testing, deployment and production support, applying AI coding tools in daily workflow. You’ll use AI coding tools as part of your daily workflow, while taking full...

Ersilia, based in Barcelona, is seeking a Senior Full Stack Engineer to design, develop and own features across the product with a strong focus on delivery and collaboration. The role involves frontend work with React and backend work with Node.js/TypeScript, leveraging PostgreSQL and AWS. You will partner with Product and Design to translate requirements...

EY GDS Spain is seeking a Senior Full Stack Developer with strong Angular and Spring Boot expertise. You will design and maintain enterprise web apps, lead frontend activities, and ensure WCAG 2.1 AA accessibility compliance across interfaces. Collaboration with global teams and UX designers is key to delivering scalable, secure solutions with robust RESTful...

Jobgether SRL is seeking a Senior Full-Stack Product Engineer based in Spain to lead backend development and core product features. You will own end-to-end delivery, architect scalable systems, and collaborate with a lean team to drive AI-native innovations using Node.js, TypeScript, AWS, and modern frontend hooks. You will work across the stack with...

Factech Servicios Informáticos busca un Full Stack Engineer Senior para una misión temporal en Barcelona. El candidato ideal deberá dominar React y Python, tener experiencia en AWS, y poseer habilidades para liderar el desarrollo end-to-end de aplicaciones. La posición ofrece autonomía total y oportunidades para trabajar en proyectos de alto impacto en...

Talent Insights está buscando un/a Senior Full Stack Developer (React, TypeScript) para reforzar el equipo de Engineering en Barcelona, trabajando en aplicaciones web críticas y servicios backend de alto impacto. Se requiere al menos 4 años de experiencia, habilidades en React y REST APIs, y experiencia con PHP/Laravel. Se valora conocimiento de bases de...

EY GDS Spain is seeking a Senior Software Engineer to join our hybrid team in Málaga. You’ll build modern web applications as a Full-Stack Engineer using Python and Angular, and you’ll explore integrating AI features with LLMs, embeddings, and RAG workflows. Ideal candidates have 3+ years of end-to-end development, strong API design with FastAPI/Flask...

Location: Madrid, M, ESAbout the Team and our Scope Our team, a software house within Swiss Re, develops cloud-native (Azure-based) SaaS/PaaS solutions for external Life & Health insurance clients. Our portfolio includes globally established products and those in growth or incubation stages. We utilize the latest technology and prioritize innovation to stay...

Barcelona, Spain | Senior Engineering Opportunity MaxIT Consulting – Max Corporate Group is looking for a Senior Full-Stack Engineer – AI-Native Applications to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector. The company operates a multi-sided marketplace used by hundreds of hospitals...

A leading software development company in Torremolinos is looking for a Full Stack Senior/Lead Engineer. You will enhance product experiences for millions by developing features for web and mobile platforms. The ideal candidate has over 5 years of experience, strong expertise in ReactJS and NodeJS, and the ability to work independently. This role offers...

BairesDev is seeking a Senior Full-Stack Developer (Python) to lead application design and implementation. The successful candidate will work remotely, optimizing RESTful APIs, and modernizing legacy systems with a focus on enhancing performance and scalability. Applicants should have over 4 years of experience in software engineering, with advanced English...

About Cakewalk Cakewalk is access management for the entire workforce: AI agents and human identities. We built a single platform to govern and secure access in companies through policy-first access management, runtime provisioning, and identity-linked lifecycles.We are looking for a Senior Full-Stack Engineer (m/f/d) to join our ambitious engineering team...

it Partner busca un/a Senior Full Stack Developer con más de 5 años de experiencia para evolucionar plataformas empresariales estratégicas, trabajando en entornos Agile y AI-Native, con énfasis en soluciones escalables, seguras y de alta calidad.Todas las habilidades, cualificaciones y experiencia relevantes que necesitará un candidato seleccionado se...

EPAM Systems is seeking a Senior Full Stack Engineer to join our team in Madrid, specializing in financial services technology. This on-site role focuses on designing, building, and maintaining robust, scalable applications using Java and React, while collaborating with cross-functional teams.The ideal candidate will have a strong background in both backend...

Julius Baer is seeking an experienced software engineer to design, develop and test critical software modules within a cross-functional, agile team. You will own the full delivery lifecycle, translating business needs into robust technical solutions and collaborating with Solution Architects to ensure architectural alignment.The ideal candidate has 7+ years...

N-iX in Barcelona is seeking a Senior Full Stack Engineer to design and implement cloud-native identity and fraud products on AWS. You will develop backend services with Go, build user-facing features in React, and ensure high-performance and secure solutions. Ideal candidates should have extensive experience in software development, particularly in Go and...

Capitole busca un Senior Full Stack Developer con experiencia en PHP, Symfony y Vue.js para mejorar arquitecturas, rendimiento y entornos cloud-native. Trabajarás con el Head of Engineering en migraciones de MySQL a PostgreSQL, actualizaciones de Symfony/.NET y despliegues en Kubernetes (AKS) con Helm, observabilidad y resolución de incidencias. Se valora...

Wolters Kluwer is seeking a Senior Product Software Engineer to join a hybrid team. You will design, develop, and evolve scalable full stack solutions using .NET, Angular, and modern cloud-based microservices. You will build RESTful APIs, implement asynchronous messaging, and ensure code quality with SOLID/OOP, tests, and CI/CD using Azure DevOps. Experience...