Empleos de full stack engineer annotator en Madrid

Preply is seeking a Senior Full Stack Engineer for the CRM team to shape our communications platform and AI-native workflows. You’ll own backend and frontend components, collaborating with product, data, and UX to deliver measurable customer impact. You’ll work across Python/Django on the backend, React/TypeScript on the frontend, and with Braze-based...

A leading digital innovation company in Barcelona is seeking a Full-Stack Developer to join their dynamic team. You will be responsible for developing web application frontends and backends, working closely with diverse teams to deliver innovative digital solutions. The ideal candidate has at least 4 years of experience, expertise in Angular and Java Spring...

Maia Care, respaldada por GCO Ventures y Byld, busca un Full Stack Developer para construir y escalar una plataforma digital enfocada en la salud femenina, desde el diseño técnico hasta producción, junto al CTO. Trabajarás en backend (APIs, modelos de datos, pipelines) y aportarás al frontend con Next.js cuando sea necesario; priorizarás seguridad de...

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...

A global technology consulting firm based in Barcelona is looking for a Full Stack Software Developer to join their innovative team working on AI-enabled fleet management solutions. You will be responsible for designing and maintaining robust software components, translating business requirements into effective solutions, and collaborating with international...

Expereo is hiring a Lead Engineer in Barcelona to drive the transformation of their digital platform. You will design and build full-stack applications, mentor engineers, and ensure coding best practices. Required skills include strong proficiency in JavaScript, experience with front-end frameworks like React, and understanding of cloud environments. The...

NTT DATA Europe & Latam en Barcelona busca un/a Ingeniero/a Full stack especializado/a en Angular y Java para crecer profesionalmente participando en proyectos estratégicos de gran impacto en el sector sanitario. Tendrás la oportunidad de trabajar en diferentes proyectos, contribuyendo con soluciones digitales innovadoras y seguras implantadas en diversos...

BESTSECRET is the leading European online destination for premium and luxury off-price fashion. The Group offers its members in 28 countries across Europe a superior brand portfolio complemented by a high-end shopping experience. At the same time, BESTSECRET enables its brand partners to clear overstock at scale with minimum visibility and maximum brand...

Xe is hiring a senior full-stack engineer to own end-to-end problems, from API design and frontend experiences to backend services and production reliability. You will work with AI tooling daily, move money in production, and shape the platform as Xe rebuilds its stack with cross-functional teams. You will mentor engineers, lead design reviews, and...

Leadtech Group is seeking a talented Full-Stack Developer to help build and scale AI-driven platforms. You will work across our technology stack to deliver seamless user experiences, joining projects with a shipping-fast approach and modern tools. The role involves developing frontend and backend features, integrating external services, and collaborating...

VDOS busca un/a Full Stack Developer para liderar el diseño, desarrollo y mantenimiento de soluciones y la infraestructura tecnológica que soporta nuestra plataforma de datos y analítica. Necesitamos al menos 5 años de experiencia en desarrollo Full Stack con Java, capacidad para tomar decisiones técnicas y proactividad para proponer mejoras. Se ofrece...

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,...

A leading software development company in Barcelona is looking for a Senior Full Stack Engineer to enhance a health and wellness platform. The successful candidate will work on web and mobile applications, contributing to performance and user experience. Ideal applicants have 5+ years in scalable systems and expertise in ReactJS, NodeJS, and React Native....

Talan Spain is seeking a seasoned developer to join its international tech teams in Málaga. The role blends back-end and front-end responsibilities across Spring Boot, Angular/React, and data tech stacks. You’ll work in an Agile environment, tackle code quality with Sonar/Fortify, and have access to training, career development, and a comprehensive...

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...

About Orbio Orbio is an AI-native human capital management platform building aDigital Workforce for HR .We design and deploy agentic systems that take ownership of operational execution across hiring, onboarding, and employee operations — while keeping humans in control.We work with large, complex organizations across staffing, retail, hospitality, and...

Arsys seeks a Specialist Full-Stack Execution for the Euro Office Performance Group (Server Development) to drive high‑volume feature delivery and rapid bug fixes across the document suite, clearing paths for senior architects and keeping momentum during sprint cycles. You will refactor legacy JavaScript modules with AI‑assisted methods, build vertical...

Bolsas y Mercados Españoles (BME) in Madrid seeks a Software Engineer to join an agile Application Development team. You will deliver high-quality technical products for Spanish Tax Services, collaborating with Business and IT stakeholders to implement enhancements and maintain critical applications. Responsibilities include running operations, incident...

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...