Empleos de mid-senior full stack developer en Sevilla

Overview As a Senior Software Engineer on the Integrations Team, you will shape how Elastic appears in the AI ecosystem. You will build and evolve the MCP server and its supporting infrastructure in Go, enabling Elastic to connect with third‑party AI tools and ecosystems. You will create portable agent skills, tooling for authoring and publishing, and...

Overview As a Senior Software Engineer on the AMO/DevHub domain, you will help shape the Firefox add-ons ecosystem by delivering major features and architectural improvements. You’ll partner with engineers, reviewers, product leads, and the community to modernize the platform, improve reliability, and scale review and moderation. You’ll build observable,...

Overview As a Senior Java Full Stack Engineer, you will join a greenfield fashion retail project to design, build, and evolve a new digital product from scratch. You will define architecture, implement core capabilities, and deliver an MVP that drives real business value, collaborating with Spanish-speaking stakeholders. You’ll work hands-on across...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Full Stack Developer (React + Node.js) based in Spain. Are you a seasoned full stack developer passionate about building scalable applications and solving complex engineering challenges? This opportunity allows you to...

Key Responsibilities: Design, develop, and maintain efficient, high-quality code to train and optimize AI models. Conduct evaluations to benchmark model performance and analyze results for continuous improvement. Evaluate and rank AI model responses to user queries across diverse domains, ensuring alignment with predefined criteria. Develop comprehensive...

Realnaut es la marca nativa digital del Grupo Axpe Consulting, especializada en diseñar, desarrollar y operar activos digitales en Cloud. Desde su fundación en 2022, hemos colaborado con diversos clientes en más de 20 proyectos, creando experiencias únicas que impulsan el crecimiento empresarial. Nuestro equipo multidisciplinario destaca en áreas como...

We’re launching a new team dedicated to modernizing and expanding one of our customer-facing tools — and we’re looking for a Senior Full Stack Engineer to help build it from the ground up This isn’t a legacy product handoff: you’ll be joining at the very start, shaping both the technical direction and the team culture from day one The current...

Anyone AI is recruiting skilled Full-Stack Developers to work on a project with a leading AI lab. Qualifications: Advanced professional written proficiency in English 3-7 years of professional software engineering experience Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go Backend or full-stack development...

En IRIUM nos encontramos en búsqueda de un/a Desarrollador/a Full Stack Java & Angular para incorporarse a un proyecto en el sector energético. ¿Qué buscamos? Profesional con experiencia en desarrollo Full Stack y conocimientos en tecnologías Java y Angular, que quiera formar parte de un proyecto dentro de una compañía líder del sector...

Role: Senior Full Stack Engineer (Remote) Location: Remote (Work from Anywhere) Role Overview: We are hiring for one of our clients, seeking a Senior Fullstack Engineer to work on a Full-Time basis. The role involves designing, developing, and maintaining full-stack applications using modern technologies. You will collaborate with cross-functional teams...

We are still looking for the very Top Talent…and we would be delighted if you were to join our team! More in detail, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work , with more than 35,000 employees worldwide and a presence in over 35 countries. We are leaders in digital technology services,...

A global leader in language services is seeking a Senior Full Stack Engineer to modernize their core application and develop new features. The role involves working with experienced engineering teams on a cloud-native tech stack, focusing on both front-end and back-end functionalities. Ideal candidates will have extensive experience in .NET and a solid...

OGA.ai busca un/a Senior Full Stack Developer para unirse al equipo en Sevilla. Desarrollarás software completo tanto en backend como en frontend, utilizando Angular en el frontend y .NET en el backend, creando APIs REST/GraphQL y gestionando bases de datos SQL/NoSQL. Trabajarás con equipos multifuncionales, proponiendo arquitecturas escalables, asegurando...

Experis IT, parte de Experis Manpower Group, busca un perfil de desarrollo Full Stack para proyectos en el sector bancario. Integrarás un equipo nuevo, trabajando desde fases iniciales y combinando Java en backend con Angular en frontend, en un entorno moderno y altamente tecnológico. Se valorará experiencia con Java 17, Spring Boot 3.x, TypeScript y...

bunch is building the operating infrastructure for private markets. As a Full Stack Engineer with a frontend focus in our Platform team, you’ll shape frontend architecture, contribute to backend services, and help maintain our Design System. You will ship end-to-end features that empower thousands of users managing billions in assets. You’ll collaborate...

Jobgether SRL is seeking a Senior Full Stack Engineer (NET/React) based in Spain to build scalable, secure, and high-performing applications across backend and frontend layers. You will work with .NET/C#, React, Redux, and JavaScript, shaping architecture and development practices, and contributing to cloud-based solutions on GCP with CI/CD. You will mentor...

Fullstack Engineer – Series B AI Startup | Spain (100% Remote) I’m partnered with a fast‑scaling AI startup, fresh off a Series B raise, looking for an early hire Developer to shape the next generation of their platform. You'll build the GenAI behind some of the products that you use every single day. This is a role for hands‑on builders who...

Lever, Inc. is partnered with a company seeking a Senior Full Stack Engineer based in Spain. You will build scalable applications using .NET/C#, React/Redux, and SQL databases, with GCP and CI/CD practices. The role blends hands-on coding with architectural input and mentoring, in a remote-first environment. You will collaborate with product and design teams...

Avenue Code in Spain is seeking senior professionals with a generalist profile, strong backend with Node.js, and solid React frontend experience to own product initiatives end-to-end. You will develop features independently, contribute to architecture, and collaborate in a small, autonomous squad within a SaaS context, balancing speed, quality and...

We are an enterprise AI platform designed specifically for technical commercial teams within industrial manufacturing. Our customers produce mission critical components, from transformers to nuclear facility hardware, and rely on our software to navigate multi-million euro project tenders daily. The business is fully bootstrapped, profitable, and financed...