Empleos de contract full-stack engineer en Madrid

Treatwell is looking for an AI Software Engineer to join the AI Engineering team and build internal tools and customer-facing features with a strong AI-first mindset. You will work with TypeScript, Node.Js and React, collaborating with the Chief AI Officer and diverse stakeholders to rapidly prototype and iterate, while ensuring quality, testing, and...

ERNI Barcelona is seeking a passionate full-stack developer skilled in PHP and Python to build enterprise content management platforms. You will work on API-driven architectures, REST APIs and data integrations while collaborating with global teams.The role offers a hybrid work model in Barcelona, with strong growth, mentoring, and access to internal...

OverviewDo you want to work for one of the biggest consulting companies in Spain, with a focus on building meaningful business impact while maintaining a healthy life balance? Our motto is: "Life before work".At mediasmart we are looking for a software engineer to join our team, whose main function will be to develop for the main products we offer to users:...

Full Stack Engineer needed to join a remote team, building tools for startups. Requires experience with Rails/Ruby and/or Ember and various tech stacks. Salary: $90,000 - $120,000.

Wolters Kluwer is seeking a Senior Product Software Engineer to join our team in Madrid. In this role, you will contribute to the design, development, and evolution of scalable software solutions. You'll work within a hybrid model, using your expertise in C#, .NET, and Angular to create high-quality applications.Your role will involve end-to-end software...

APPTIVA CORE TECHNOLOGIES is seeking a Fullstack Developer to join our team in Madrid, Spain. This role involves working in a cross-functional team responsible for the entire software development life cycle, from conception to deployment. You will design and build scalable software solutions while ensuring high standards of security and data protection.The...

Capitole Consulting busca un perfil Full-Stack para un proyecto internacional. Desarrollarás y mantendrás aplicaciones escalables con Java y Spring Boot, cubriendo todo el ciclo de vida, desde desarrollo hasta operación y despliegue.Colaborarás en decisiones técnicas, trabajarás con APIs REST, bases de datos y microservicios, con experiencia en Git y...

Talan Group is seeking a Senior Full Stack Developer located in Málaga to join our international team. The ideal candidate will have strong backend experience and be capable of leveraging AI tools across the SDLC. This role involves designing and implementing scalable, high-quality applications in a collaborative Agile environment.We offer a permanent,...

Ookla seeks a talented Software Engineer to join a team building next-generation platforms that visualize and analyze data to drive real-world action. You’ll work across full-stack web development using React, Redux Toolkit, and Vite on data visualization portals.You’ll contribute to RESTful APIs with Node.Js, participate in Agile processes, and leverage...

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 or...

Knowmad Mood busca un/una Software Engineer Full Stack con experiencia en desarrollo backend y frontend para participar en proyectos tecnológicos de alcance internacional. La persona trabajará en todo el ciclo de vida de las aplicaciones, colaborando con equipos multidisciplinares y usando tecnologías modernas en entornos Agile.El candidato ideal debe...

A leading Contract Research Organization is seeking a Full Stack Developer to join their Process Improvement team in Madrid. The role involves architecting and maintaining applications using modern technologies like React, Python, and Azure. You must have a Bachelor's in Computer Science, 5+ years of software development experience, and expertise in Azure...

A renowned financial services group in Madrid is looking for a FullStack Engineer to modernize frontend applications and automate processes. The role involves collaboration to build applications across multiple countries, educating team members, and inputting on architecture with a focus on reusability. Candidates should have strong JavaScript/TypeScript...

Jet Aviation in Madrid, Spain is seeking a dedicated Full Stack Software Engineer to join the IFX platform team. You will develop front-end and back-end services, applying Clean Architecture and CQRS patterns to deliver scalable software for aviation.You will collaborate with Basel engineers, contribute to automated tests, and participate in architecture...

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

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.Te incorporarás a equipos que diseñan APIs REST, microservicios y automatización, participando en CI/CD,...

Select how often (in days) to receive an alert:Full Stack Software Engineer - ESA Science Operations SystemsFor more than half a century, Serco has walked alongside the pioneers of space. Serco has supported over 50 ESA missions where our teams have helped launch satellites, guide spacecraft across the void and turn data into discoveries that reshape our...

Serco is seeking a highly motivated Full Stack Software Engineer to join a multidisciplinary team supporting ESA scientific missions. You will contribute to design, development, integration and maintenance of software across mission lifecycles.The role emphasizes collaboration, DevOps, and modern technologies like Java, Python, React/TypeScript, Docker,...

MaxIT Consulting - Max Corporate Group in Barcelona, Spain, seeks a Senior AI-First Full-Stack Engineer to own the full product stack and drive AI-enabled development in a healthcare-focused marketplace.You will work in a founder-led, autonomous environment, collaborating with product, design, and operations while applying AI tools to accelerate delivery and...

Knowmad mood busca un Software Engineer para un proyecto estable de larga duración, 100% remoto. Diseñarás, desarrollarás y mantendrás aplicaciones web empresariales, con foco en soluciones Full Stack basadas en PHP y Python.Trabajarás con Laravel, APIs REST, y bases de datos MySQL/PostgreSQL, desplegando en contenedores con Docker. Se valorará...