Empleos de senior full-stack engineer api en Madrid

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...

A leading software development company in Ribarroja del Turia is seeking a Senior Full Stack Engineer with 5+ years of experience in building scalable systems. The role involves working in an agile team to develop features for web and mobile applications. Ideal candidates should have solid ReactJS and NodeJS skills. This position offers competitive...

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

Jobtailor en Barcelona busca un desarrollador full stack para evolucionar y mantener una solución core de soporte a ventas, con un énfasis en frontend y backend. El equipo de producto ágil diseña e implementa funcionalidades escalables y de alta calidad. Se valora experiencia en Angular, Java/Spring Boot, MongoDB y procesamiento de flujos, además de...

Frontiers is seeking a Senior Full-Stack Engineer with a backend lean to join the RTM team. You will own complex backend systems and full-stack features end-to-end, from specification refinement to production monitoring. The role emphasizes autonomy, ownership, and technical leadership, with a distributed, AI-enhanced development lifecycle and a focus on...

A software company in Las Palmas seeks a Senior Software Engineer to lead the development of web and mobile applications. The role involves collaborating with cross-functional teams and integrating AI tools into workflows. Candidates should have over 6 years of experience in software development, system design skills, and a Master's degree in Computer...

mediasmart, part of the Affle group, is looking for a Senior Full Stack Engineer to join our product technology team. You will develop for our main products: the API and the web frontend, serving large agencies and direct customers across the globe. You will own features end-to-end from concept to deployment, collaborate with cross-functional teams, and...

MaxIT Consulting – Max Corporate Group is seeking a Senior AI-First Full-Stack Engineer to own outcomes across the full product stack in a fast-growing European tech company focused on an AI-powered healthcare workforce platform. You will work in a small, founder-led environment with significant ownership over product and engineering decisions, using...

Impala Search Ltd is seeking a Senior Full-Stack Engineer with a frontend focus to build customer and dealer-facing products using React and Next.js, while owning APIs and backend services to deliver features end-to-end. Join a data-driven mobility platform expanding across multiple markets, currencies and languages, contributing to frontend performance, SEO...

MaxIT Consulting – Max Corporate Group in Barcelona, Spain is seeking a Senior Full-Stack Engineer – AI-Native Applications to own end-to-end product delivery in a fast-growing European tech company building an AI-powered workforce platform for healthcare. You will work across frontend, backend, databases, and cloud, using TypeScript/React and Java/J...

Applus IDIADA is a global automotive engineering leader seeking talented developers to join a dynamic Digital Business team. We offer a highly flexible hybrid work model and wellbeing benefits, with 60+ engineers collaborating on AI-powered platforms in a diverse environment. Join us to design and deliver full-stack AI-enabled applications across backend and...

Impala Search Ltd is seeking a Senior Full-Stack Engineer with a frontend focus to build customer and dealer-facing experiences using React, Next.js and TypeScript. You will own APIs and backend services necessary to deliver features end-to-end, while improving performance and accessibility across a multinational platform. Join a growing mobility platform...

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...

Frontiers in Madrid is seeking a full‑stack .NET Engineer to join the Researcher Profiles Service team, building a global‑scale academic data platform with .NET Core/Framework and Vue.js. You will own high‑impact projects, collaborate across product, architecture and cross‑functional teams, and drive end‑to‑end delivery.The role emphasizes...

Jobtailor busca Ingeniero/a de Software con más de 5 años de experiencia para diseñar, desarrollar y mantener funcionalidades de producto end-to-end. La posición implica construir y evolucionar apps frontend con Vue.js, además de desarrollar y mantener servicios backend y APIs.Se valorará experiencia en AWS, bases de datos SQL, REST, IA/LLM y...

Solera Holdings, LLC. is seeking a Lead Full-Stack Developer in Madrid to drive development across .NET, Python and React/Angular. You will own backend and frontend work, implement robust CI/CD pipelines, and optimize apps for Linux and Windows.The role emphasizes collaboration with Product Management and analysis teams in an Agile setting. The ideal...

UST seeks a Senior Full Stack Developer (.NET & Angular) to join an international financial services project in Madrid. You will design, develop, and maintain scalable applications while collaborating with cross-functional teams in an Agile environment.You will visit client offices in central Madrid three days per week, with a strong English requirement and...

Jobgether SRL, on behalf of a partner, is seeking a Senior Full Stack Developer (React + Node.js) based in Spain. You will design and implement modern frontend with React, and robust backend with Node.js/NestJS, on a cloud-native AWS platform. Join an international team, work remotely, influence architecture, CI/CD, and AI-assisted development. Requires 7+...

UST España & Latam is seeking a Senior Full Stack Developer (AI-Native) to join an innovative technology team. You will design, develop, and maintain scalable enterprise applications for a leading international banking environment, leveraging Java, Spring Boot, Hibernate, and Angular within a 100% remote setup in Spain. You will work with modern...

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...