Empleos de java backend senior en Sevilla

NineTwoThree AI Studio seeks a Senior ML Engineer to bridge production software and advanced NLP. You will design, optimize, and deploy LLM-powered features and agentic pipelines, taking ownership from prototype to production across client projects. Working remotely with a global team, you’ll collaborate with frontend, backend, and DevOps, evaluate AI...

Elastic is seeking a Senior Software Engineer for the Elasticsearch - Storage Engine team. This fully remote, globally distributed role focuses on core storage and query technologies for observability workloads, with emphasis on storage efficiency and performance optimization. The ideal candidate has strong Java skills, experience with distributed systems,...

Bark is seeking a Senior Full Stack Engineer based in Spain for a fully remote role. You’ll own both frontend and backend work in the Acquisition domain, building scalable APIs and marketing tooling, including AI-powered internal tools to streamline campaigns and autonomous workflows. You’ll collaborate with marketing, product and design to ship...

Digital Waffle in Spain is seeking a Senior ML Engineer to own the ML stack from data to deployed models. You will bridge research and production, building end-to-end pipelines across data, training, evaluation, and inference, and architect inference systems that meet latency and cost constraints. You will work with application engineers to integrate ML into...

TEAM International Services is seeking an experienced Senior Test Engineer / QA Automation Engineer to own automated testing strategies for complex, AI-powered applications. You will validate APIs, frontend, backend, and end-to-end workflows. Collaborate with software and AI engineers, ensuring reliability and performance against SLAs. Design and maintain...

AppWork is seeking a Senior Full Stack Engineer to join our R&D team in Spain. You will shape the product experience from frontend interfaces to scalable backend systems, collaborating closely with design and product to deliver seamless, impactful user experiences. You will mentor peers, drive architectural decisions, and help deliver high‑quality web...

MAU by Leadtech is seeking a Senior Site Reliability Engineer to join a remote-first, international team that powers subscription-based apps. You will design scalable cloud infrastructure on GCP, implement monitoring, logging, and CI/CD pipelines, and collaborate with mobile, web and backend teams to optimize performance and reliability. The role emphasizes...

Xebia in Spain is seeking an experienced Senior Mobile Developer to join our AI-first teams. You will build cross‑platform mobile apps with React Native, contribute new features for iOS and Android, and collaborate with product, design, backend, and QA to deliver high‑quality solutions. The role includes API integration, performance optimization, CI/CD...

We're looking for a Senior Oracle DB Specialist to join our team in Madrid, Spain in a hybrid working mode. In this role, you will leverage your expertise in Oracle PL/SQL and database architecture to support the integration of complex financial systems and ensure the stability of mission-critical platforms. You will act as a trusted technical partner,...

Pluxee invites a Senior Product Engineer to own features end-to-end across backend, frontend, and AI-assisted workflows. You’ll work in one core domain and shape how Cobee by Pluxee delivers employee benefits and compensation. This role emphasizes scalable, resilient systems, deep collaboration with cross-functional teams, and a growth mindset. You will...

Cada profesional de nuestra empresa es importante para nosotros, nos ayudan a crecer de manera diversa y gracias a ellos somos 11.000 personas trabajando con el mismo objetivo en 10 países. Si eres una persona entusiasta y buscas un nuevo reto profesional, ¡Este es tu sitio! Si eres una persona entusiasta, te apasiona la tecnología y buscas un nuevo...

¡Forma parte del futuro de Paradigma! Buscamos un Senior AI Platfform Engineer - LLM Gateway para implantar una plataforma corporativa de LLM Gateway, definiendo los estándares corporativos. ¿Que buscamos? Senior AI Platfform Engineer - LLM Gateway con el objetivo de contribuir a materializar e implantar la solución trabajando sobre la arquitectura ya...

We're looking for a Senior Data Engineer (Python/Tableau) to join our team in Madrid, Spain in a hybrid working mode. In this role, you will design and optimize SQL-driven data transformations, develop scalable ETL/ELT pipelines, and contribute to enterprise data models supporting analytical, financial and regulatory reporting. This position provides an...

H/M/X – Desarrollador/a Senior Atoti / ActiveViam/Remoto 100% ¿Te gustaría trabajar con una de las tecnologías analíticas más demandadas y exclusivas del sector financiero? Buscamos un/a Desarrollador/a Senior Atoti / ActiveViam para incorporarse a un proyecto estratégico de alcance internacional, participando en el desarrollo de soluciones...

Desde Corus queremos ampliar el equipo con un/a desarrollador/a Senior Backend para un proyecto del sector financiero en el área de Arquitectura. Ubicación: 100% remoto desde España Otras tecnologías: IA, Go, Java, Microservicios, Google Cloud Platform, Agile. Competencias necesarias: +7 años de experiencia como desarrollador/a Backend. Mínimo 2...

Datadog is seeking a Senior Software Engineer focused on AI-powered workflows within Datadog Notebooks. You will own platforms for analysis workflows and context discovery, collaborating with product and design to deliver trustworthy, explainable experiences powered by AI. This role combines product intuition with strong engineering leadership to impact...

Elastic seeks a Senior Software Engineer to join the Elasticsearch Performance team. You will drive performance optimization across distributed systems, focusing on core design, profiling, and scalable improvements. Responsibilities include implementing performance models, running benchmarks with JMH/Rally, and guiding autmation for profiling and regression...

Datadog Notebooks provide customers with a collaborative surface for ad-hoc data analysis, technical documentation, incident postmortems and runbooks. The power and flexibility of Notebooks also makes it the perfect place to integrate AI tools that can augment user workflows. Our vision is that in Notebooks users can collaborate with each other and with AI...

About Neo4j Neo4j is the graph intelligence platform that transforms data into knowledge to power the next generation of intelligent applications and AI systems. It includes enterprise-ready knowledge graphs for accurate, explainable, and governed AI; the most comprehensive, trusted, and easy-to-deploy graph capabilities across any environment and data...

Elastic, the Search AI Company, is seeking a Senior Software Engineer to join the Elasticsearch - Search Relevance team. You will contribute to the technical direction of search capabilities, designing and implementing new features, improving relevance, and resolving bugs as part of a globally distributed team. You will work with Java extensively, tackle...