Empleos de senior java backend engineer microservices en Zaragoza

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Founding Senior Software Engineer based in Spain.Join a fast-growing technology startup building an AI-powered platform that transforms how organizations discover, understand, and act on information from across the digital...

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...

En Second Window estamos experimentando un fuerte crecimiento en nuestros proyectos financieros y bancarios avanzados. Buscamos incorporar dos perfiles clave para nuestro equipo de desarrollo: un Senior Full Stack Developer.Requisitos Técnicos5 años de experiencia como Desarrollador/Ingeniero de Software Full Stack (preferiblemente con enfoque...

Jobgether is seeking a Senior Automation QA Engineer (Playwright/TypeScript) based in Spain. You will design, develop, and maintain end-to-end and API tests, migrating legacy Java-based tests to Playwright, and leading test automation architecture improvements.You will also develop load-testing scenarios with k6, evaluate performance metrics, and collaborate...

Elastic, a distributed company, is seeking a Senior Software Engineer to join the Elasticsearch - Search Relevance team. You will help shape the technical direction, design and implement new search features, and tackle challenging bugs to improve speed and relevance. You will work with a globally distributed team focused on vector search capabilities,...

We're looking for a Senior Performance Test Engineer to join our team in Madrid, Spain in a hybrid working mode. In this role, you will design, implement and execute performance testing and synthetic monitoring solutions, ensuring system scalability, stability and reliability for business-critical applications. You will work closely with development teams...

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...

UST España & Latam is seeking a Senior Android Engineer to join a multidisciplinary Mobile Engineering Team in Spain. You will design and develop high-quality Android apps, mentor others, and influence technical decisions while collaborating with product owners, designers, and engineers. Required: 5+ years of Android experience, Kotlin/Java, strong English,...

Elastic is seeking a Senior Software Engineer for the Elasticsearch storage engine team. You will design, implement, and optimize core storage and query components, focusing on performance, scalability, and efficient data layouts for observability workloads. The role is fully remote with a globally distributed team, requiring collaboration across continents...

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...

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...

Position Summary:At managed.com, we're a remote-first, global team. We're also AI-first, so finding practical ways to use AI is part of every role hereThis role focuses on CloudBlue, a managed.com business that powers cloud commerce for many of the world’s largest service providers, including major Telcos, distributors, and MSPs. CloudBlue enables partners...

Remote in EU, or hybrid in Barcelona, Palma, Dublin, or Casablanca.Unique problems to solve: a good fix in the morning can be live in production by the evening, and it will be serving real partner traffic.Nuitée is hiring Senior Product Engineers to join Connect, the domain at the heart of our platform. Connect is where hotel supply from hundreds of...

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...

Lever, Inc. is seeking a Senior Software Engineer in Spain to build a data-intensive platform and own features end-to-end. You will design backend Go services and frontend React/TypeScript interfaces, collaborating with product managers and engineers to deliver scalable solutions. You will contribute to architecture, testing, and production deployment, while...

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...

Orbio is seeking a backend-focused Python engineer to take on a Tech Lead role and help build our conversational, agentic AI platform. As a senior/founding-level engineer, you will architect and scale intelligent workflow systems for hiring, onboarding, and employee experiences in enterprise settings. You will help build an end-to-end, production-grade B2B...

Verda is building a full-stack AI cloud and seeks a Senior Backend Engineer to craft Go-based backend services and Kubernetes-native applications. You will own design through deployment, influencing reliability, scalability and developer experience across the platform. You will collaborate with infrastructure and AI teams to ship APIs, integrations, and...

Quik Hire Staffing is seeking a Senior Full Stack Engineer to design, develop and maintain full-stack applications remotely. The role involves collaborating with cross-functional teams to deliver scalable solutions and high-quality software across the stack. You will build RESTful APIs, microservices, and data architectures, write clean, well-documented...

Playson is seeking a Senior Software Engineer to join a newly forming team owning the Game Engine domain. You will work on engines, mathematical packages, simulations, and RTP monitoring within a regulated, high-precision context. You’ll collaborate with mathematicians, backend engineers, platform teams, and product stakeholders to ensure accuracy and...