Empleos de senior fullstack engineer en Valencia

At Equitable Earth, we're on a mission to help protect and restore 1% of the natural world by 2030. We’ve built a rigorous, technology-enabled standard to certify conservation and restoration projects, ensuring they deliver lasting impact: strengthening livelihoods, safeguarding biodiversity, and supporting a stable climate. We're a diverse, mission-driven...

MaxIT Consulting – Max Corporate Group in Barcelona is seeking a Senior AI-First Full-Stack Engineer to own the end-to-end product stack in a fast-growing European tech company building an AI-powered workforce platform for healthcare.You will work hands-on across frontend and backend, using TypeScript, React, Java, Python, and cloud platforms (AWS/GCP),...

¿Te interesa construir productos de IA que vayan más allá de una demo? En NTT DATA buscamos personas que combinen desarrollo full stack, IA Generativa y criterio de ingeniería para diseñar aplicaciones end-to-end basadas en GenAI y Agentic AI. No buscamos perfiles centrados únicamente en experimentar con prompts. Queremos personas capaces de convertir...

Twtspain is seeking a Senior Fullstack Software Engineer to join our Madrid/Barcelona team with remote options.You will lead backend architecture using Python and FastAPI, and contribute to frontend with ReactJS, TypeScript, Vite and Tailwind.You will drive high?performance, scalable systems, work with Redis, PostgreSQL, MongoDB, Docker, Kubernetes, Azure...

Moonfire is a small, fully remote team of senior engineers building Lingo.Dev tools used by developers worldwide. You will design, develop, and scale web applications, open source tooling, and robust APIs with a focus on performance and UX.We value CS craft, remote collaboration, and ownership of features end-to-end. You’ll work across frontend, backend,...

Sesame, una plataforma de RRHH con IA aplicada, busca un Senior Fullstack Engineer con Symfony (o Laravel), Python con FastAPI y Vue 3 / React para liderar la evolución de su plataforma de agentes IA.En Sesame se valora más de 5 años de experiencia en desarrollo de software, experiencia en IA en producción y capacidad para diseñar arquitecturas...

Siena is seeking a senior software engineer to own meaningful parts of the platform end to end, shipping reliable, high-performance systems used by global brands.You'll partner with product to shape scope, make architectural calls, and drive delivery with autonomy and accountability.You'll work on full-stack features across frontend, backend and...

Blue Code Alicante is hiring a Senior FullStack Integration Engineerto join one of our clients, an international SaaS company building product configuration and personalization technology for e-commerce and enterprise customers. You will take ownership of customer integrations from development through delivery. The role is explicitly expected to own...

A leading financial technology company is seeking an experienced Software Engineer to join their Servicing International team in Spain.Habilidades, experiencia, cualificaciones... Si tiene el perfil adecuado para esta oportunidad, asegúrese de inscribirse hoy mismo.This role focuses on developing and launching backend systems to improve purchase protection...

En N-iX nos encontramos en la búsqueda de un/a Senior .NET FullStack Engineer para sumarse a nuestro equipo de Desarrollo de Software e integrarse a una de nuestras células Scrum. Cada equipo ágil está conformado por roles de liderazgo técnico, desarrollo, arquitectura, QA, producto y gestión de proyectos. Buscamos un perfil Senior Full Stack con...

About the Project & TeamWe started Lingo.Dev at a hackathon and, after winning the best dev tool award, we just kept building. It evolved into a developer-loved toolkit with hundreds of active users, 7,000 weekly CLI runs, 5,000 GitHub stars, and over 100 million translated words. We've graduated from the world's best tech accelerator (Y Combinator) and...

Meet Siena Siena is the Agent of Record for CX, built for consumer brands like Spanx, FIGS, Brooklinen, and Grüns. It runs as a connected multi-agent stack on top of a shared intelligence layer: agents that sell, support, listen, handle social and voice across the entire customer journey, turning every conversation into signal you can act on. The team We...

Build the Infrastructure Powering Global Investing Can you design, build, and operate scalable distributed systems whilst still shipping customer-facing products? Have you built software that serves millions of users, processes large volumes of data, or supports mission-critical business operations? Do you enjoy solving complex engineering challenges across...

Super is a global technology group powering entertainment and fan-centered experiences. We seek a Senior Full Stack Engineer to shape systems across multiple engineering domains and drive critical functionality for millions of users worldwide. You will work with TypeScript, React, Node.js, and modern tooling to deliver scalable features, mentor teammates,...

Our mission is to connect and optimize the world’s commerce. That means the whole world. So we’re determined to nurture our culture of meritocracy where everyone can thrive, no matter what we look like, where we’re from, how we grew up, whom we love, the nature of our faith, or how our bodies or minds work. We’re committed to achieving equity in...

Otto Group one.O Spain is seeking an experienced Software Developer in Málaga to contribute across the full product lifecycle. You will collaborate in a cooperative team, drive quality, and take initiative and responsibility in delivering robust Java applications using Spring Boot and API services.Key requirements include at least 4 years of software...

Capitole is seeking a Senior Fullstack Engineer with a strong frontend mindset to join an international project. You will contribute to the evolution of the central platform used by developers across the organization, focusing on modern frontend experiences, Backstage integrations, and cloud-native solutions. You will develop React-based UI components, build...

¿Cómo será tu día a día?Como Senior Fullstack developer deberás liderar las tareas más complejas de tu equipo, definiendo propuestas técnicas adecuadas, estimaciones de esfuerzo y garantizando los estándares de calidad y código.Para ello debes:Participar en las sesiones de refinamiento y planificación de sprint.Tomar decisiones técnicas alineadas...

Affinist, a remote-first company operating across Europe, seeks a Senior Full-Stack Software Engineer for the Repayments UX team. You will own quarterly goals, guide engineers, and drive scalable features across web and mobile platforms.The role requires 4+ years of experience with React Native and web frameworks, plus backend skills in Python or Kotlin. We...

Equitable Earth is seeking a Senior Fullstack Engineer to build and evolve web and mobile apps, collaborating with the Tech Lead and Product team. You will own features end-to-end, mentor peers, and push for high engineering quality, including AI-driven workflows. The role is fully remote with significant overlap with French business hours, offering a...