Empleos de senior full-stack engineer api en Madrid

Jobtailor is seeking a Senior Software Engineer to lead design and implementation of scalable features across our SaaS products in Madrid. You will shape architectural decisions, mentor engineers, and collaborate with product and business leadership to drive technical strategy. Ideal candidates have 7+ years in software engineering, experience with...

CHECK24 España busca un/a Desarrollador/a Full Stack con experiencia en PHP y Symfony para unirse a un equipo dinámico en Madrid. Colaborarás en back-end y front-end (TypeScript y Vue 3), aplicando SOLID y técnicas de TDD/BDD en una arquitectura DDD/Hexagonal. Se valora la mejora continua, orientación a producto y experiencia en metodologías ágiles...

A pioneering AI company in Barcelona is seeking a Full‑Stack Software Engineer to develop their Agentic AI Platform. You will design and build features to enhance the life sciences industry using cutting-edge AI technology. This hands-on role requires 6+ years of full-stack product experience, proficiency in Python, ReactJS, and TypeScript, and a passion...

ERNI - Swiss Software Engineering is seeking a backend/full-stack engineer to help build enterprise content management platforms using PHP, Python and modern API-driven architectures. You will contribute to design, development and maintenance across teams in a collaborative environment. You'll work with Laravel, REST APIs, MySQL and PostgreSQL, and you will...

Schneider Electric in Seville is seeking a Full Stack Software Developer to join the PowerLogic T500 team. You will work across the full stack, delivering features for desktop and web tools used to configure, commission, and maintain the PowerLogic T500 platform within PLES. The role spans frontend and backend with Angular, TypeScript, C#, .NET, Electron,...

We are still looking for the very Top Talent...and we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology...

JUNGLE busca un/a Senior AI Developer en Barcelona que convierta requerimientos de negocio en soluciones de IA innovadoras. Liderarás un equipo y trabajarás en un entorno dinámico y estimulante. Con más de 10 años de experiencia en desarrollo Full Stack, tendrás la oportunidad de ser parte de un ecosistema creativo y tecnológico que se enfoca en hacer...

Jobtailor is seeking a driven full-stack engineer to work closely with customers from onboarding through ongoing usage, helping them integrate and optimize our AI solutions. You will build new features and scalable tools using React, TypeScript, Node.js, and Python, while designing AI/ML applications and refining LLM prompts to improve outcomes....

Mainloop Barcelona is building a new engineering team in Barcelona to own production software, from idea through launch, leveraging AI agents and a shared architectural framework. This role emphasizes deep technical ownership, architectural decision-making, and a strong collaboration with product owners and other engineers. As a Frontline engager in an...

We are knowmad mood! Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Nacimos para provocar un cambio real a través de la innovación y el desarrollo sostenible, con la misión de aportar valor a los clientes e impulsar nuestro talento. Formado por más de 3.000 personas creativas,...

UST España & Latam is seeking an experienced Developer Analyst - Full Stack Developer to join our team in Spain. The role requires 5+ years designing, developing, and maintaining scalable web applications with strong Angular, Node.js, Spring Boot, and OpenShift expertise. You will design, develop, and maintain full-stack solutions, work across frontend and...

As a founding member of our new Barcelona R&D Hub, you will help build the AI-powered precision medicine platform that transforms clinical and molecular patient data into insights that accelerate drug discovery and improve patient outcomes. To help drive this vision, we are looking for a curious, collaborative and solutions-focused Lead Full-Stack AI Product...

Lever, Inc. is seeking a Staff Full Stack Engineer - Sell Side Engine based in Spain. The role focuses on hands-on engineering to rebuild systems supporting origination, contracting, onboarding, and growth in a rapidly scaling energy technology environment. You will own architecture decisions, work across pricing, data, billing, and risk platforms, and...

E‑Frontiers is seeking a Senior or Lead Full-Stack Developer to join an international project. The role is fully remote from Spain with occasional travel to Milan for 2-3 days every few months. Italian is mandatory for this position. 12‑month duration with potential extension. Holders of strong AWS, Terraform/CloudFormation, Docker, Node.js, React, Jest...

A leading consulting firm is seeking a Full Stack Software Developer to join their hybrid team in Málaga, Spain. The role involves developing innovative applications, analyzing requirements, and working with modern technologies such as Jenkins, SQL databases, and Microservices Architecture. Candidates must have at least 3 years of experience and proficiency...

Onyx-Conseil is seeking a Senior Full Stack Developer with strong AI expertise to build and deploy AI solutions in production. The role involves backend and AI integration end to end within an Agile Scrum team alongside data scientists, AI engineers and frontend developers. Deliverable: working software. The candidate will develop scalable backend systems on...

TECDATA ENGINEERING busca un Expert Full Stack Developer con fuerte experiencia en Java/Spring Boot y Angular para asumir responsabilidades de arquitectura y liderazgo técnico a nivel de múltiples equipos. Se valorará experiencia en APIs REST, JPA/Hibernate y buenas prácticas de SOLID, Clean Architecture y DDD. Se requiere excelente comunicación en...

Se busca un desarrollador Full Stack con enfoque backend Java, experiencia en microservicios, Cloud y sistemas distribuidos. Debe diseñar, implementar y evolucionar soluciones escalables, integrando con diversos sistemas y trabajando en entornos CI/CD. Requiere nivel B2 de inglés.

Arsys, part of the IONOS Group, seeks a Specialist Full-Stack Execution for the Euro Office Performance Group (Server Development) to drive high-volume feature delivery and cross-pod collaboration. You will build end-to-end prototypes from architectural blueprints, generate AI-assisted documentation, and work in a multilingual, open culture with flexible...

Sopra Steria Group busca un/a Senior FullStack Developer con experiencia en Python y React para trabajar en la pila completa, desde interfaces React/TypeScript hasta motores en FastAPI/Python y consultas en BigQuery. Se valorará dominio de SQLAlchemy, BigQuery, AlloyDB/PostgreSQL y Pub/Sub, así como testing con pytest, Vitest/Jest y Playwright; experiencia...