Empleos de backend full stack engineer en Madrid

A leading technology and localization company in Madrid is seeking an experienced Full Stack Engineer to join their AI Team. This role involves developing innovative AI-powered software applications, building user-friendly web interfaces, and creating robust backend APIs to support scalability. The ideal candidate will have a strong background in full stack...

T-Systems Iberia is seeking a Senior Software Developer with Java, Angular and DevOps skills to design, implement and maintain back-end, front-end and DevOps solutions for a broad range of business challenges. You will work with product owners and cross-functional teams to understand needs, improve products and services, and increase operational efficiency....

topi is seeking a Senior Fullstack Engineer in Madrid with deep expertise in Go to join a diverse, product-minded team. You will own architecture from the database to the browser, primarily focusing on the Go backend and APIs while contributing to React/TypeScript frontend when a feature requires it. You will collaborate closely with Product and Design to...

A leading technology firm in Spain seeks a Full-Stack Engineer to shape key tools in contextual advertising. The role involves developing both client-side features and scalable backend APIs, demanding proficiency in modern front-end languages and software engineering principles. Candidates should have 5+ years of experience and demonstrate adaptability in a...

Finom is seeking a highly skilled Machine Learning Engineer / Full-stack Data Scientist to join its Madrid team, developing end-to-end ML solutions for financial crime detection and onboarding processes. You will deploy models in production and collaborate across product and infra teams. You will own the Dynamic Risk Score across markets, optimize ML-driven...

A leading software company in Madrid is seeking a Senior/Lead AI Software Engineer to architect and scale AI-driven products. The ideal candidate will have over 5 years of full-stack development experience and 2+ years in AI/ML engineering, with expertise in Rust or Golang. Responsibilities include developing AI features, integrating LLMs into...

Expedia Group in Madrid is hiring for a TAAP engineering role. You will design, build, and deliver scalable B2B travel platforms using Java/Kotlin/Scala and React.js, contributing to API design and microservices. You'll work in a distributed team, collaborating with product and design while maintaining production systems and improving DevOps practices in a...

WayOps busca un desarrollador senior con visión de arquitectura para evolucionar interfaces y backend en un entorno farmacéutico internacional. Trabajarás de forma mayoritariamente remota con una presencialidad mínima en Madrid, colaborando con ingeniería de datos, desarrollo web y DevOps bajo un Solution Architect. Se valora liderazgo técnico y...

Roche is seeking a Full Stack Developer (SE7) to lead large-scale integration initiatives within the Engineering Excellence & Experience group. You will own the core integration portfolio, shaping the developer experience for thousands of engineers worldwide. You will design secure interoperability across toolchains, migrate legacy systems, and drive...

Adroitpeople is seeking a Java Senior Developer to handle technical analyses and implementations. The ideal candidate will have at least 5 years of experience with Java and a strong understanding of APIs, IT security, and agile methodologies. This role requires fluency in English and the ability to work both autonomously and collaboratively within a team....

Roche seeks a Custom Software Developer to design, build, and maintain scalable digital solutions in a cross-functional agile squad. You will work across the full delivery lifecycle from analysis to automated deployment, combining strong backend Java/Python and frontend Angular/TypeScript skills with modern DevOps practices. Desirable experience includes...

Trbl Services en Madrid busca un desarrollador full-stack con más de 5 años de experiencia para diseñar, desarrollar y mantener aplicaciones web modernas. Trabajarás con TypeScript, Node.js, NestJS y Angular, creando interfaces dinámicas con Angular e Ionic, y construyendo APIs REST/GraphQL. Participarás en un entorno ágil, colaborando con UX, QA y...

Actual Talent is the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions. 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 ecological...

THEKER Robotics seeks a Full-stack AI Engineer to build internal software and AI tools. You will ship end-to-end applications, from the data model to the interface, and bring LLMs into them to reduce friction. You'll collaborate with engineering and operations teams, own deadlines, and deliver practical solutions in a fast-growing robotics company based in...

YO AI Labs is seeking experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. This is a contractor role offering about 15 hours per week and fully remote work globally. Responsibilities include building and debugging frontend and backend systems,...

Kapa.ai is seeking a software engineer to work across the stack, helping answer thousands of developer questions daily. You will scale the RAG engine, build features in the analytics platform, and maintain client integrations using React and Python. The role requires a CS/ML background with 3+ years of experience in backend and frontend work, and an interest...

YO AI Labs is seeking experienced Full-Stack Software Engineers for a Global, fully remote AI training project. You will work on front-end and back-end applications, APIs, services, and data models, including evaluating AI-generated code for correctness and security. Responsibilities include debugging across systems, translating builds between languages, and...

Enfint ищет опытного инженера-программиста для поддержки стратегической платформы, контролирующей торговую активность США и глобальных клиентов. Вы будете работать над фронтендом на React и бэкендом...

Agile Engine, LLC. is seeking an experienced Sr. Full-Stack Software Engineer to support an AI training project. This fully remote contractor role focuses on developing and debugging front-end and back-end systems, building APIs, and evaluating AI-generated code for quality and security. You will work across languages and codebases, translating software...

Grupo Digital busca una persona desarrolladora senior para diseñar y construir soluciones de software basadas en Java 17+ y Spring Boot, junto con front-end en React y TypeScript. Deberás trabajar con MongoDB, Docker, Kubernetes y flujos de datos usando Kafka, asegurando pruebas automatizadas y despliegues CI/CD. La posición es indefinida, en Málaga, en...