Empleos de senior java backend engineer en Zaragoza

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,...

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...

European Payments Initiative (EPI) is hiring a Senior Data Engineer to design and maintain scalable data pipelines for payments and analytics. You will ingest data from multiple sources into a governed lakehouse, enforce data contracts, and implement orchestration and CI/CD patterns in a privacy-first European environment.You will collaborate with analytics,...

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...

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...

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...

Senior Automation Quality Engineer (Workday)Location: Remote from Spain (an indefinite Spanish employment contract)The Client is a leading multi‑brand provider of information technology solutions to business, government, education and healthcare customers in the United States, the United Kingdom and Canada. A Fortune 500 company and member of the S&P 500...

Intellias is seeking a Senior Automation Quality Engineer to join a remote-first team focusing on Workday integrations for US, UK and Canada clients. You will design and execute automated tests for Workday financial integrations and collaborate with cross-functional teams.The role requires 6+ years in QA, strong Java programming, experience with API test...

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...

Lever, Inc. is seeking a Senior Software Engineer (Golang/TypeScript/React) for an independent contractor role based in Spain. You will develop backend Golang microservices and frontend UI with React and TypeScript, delivering scalable, data-intensive features. You will own features end-to-end, influence architecture, and drive improvements in performance,...

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...

Remote – Europe / UK basedWe are supporting a search for a Senior MLOps / ML Platform Engineer within a specialist life sciences software company that is building a SaaS platform for biopharma and scientific teams.This is a platform role rather than a model-building one. The company's product relies on AI and scientific models, and you would own the...

Overview The Engineering team builds the software powering Veriff, tackling the challenges of online identity in a scalable and innovative way. We’re looking for a Senior iOS Engineer to help us build a reliable, secure, and high-performing SDK that works seamlessly across a wide range of devices. We’re looking for an experienced Senior iOS Engineer ...

We are knowmad mood!Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología.Formado por más de 3.000 personas creativas, digitales e innovadoras conectadas a un propósito y capaces de generar conexiones con personas de todo el mundo. Un equipo responsable, flexible y con alta capacidad de...

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...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Automation QA Engineer (Playwright/TypeScript) based in Spain.As a Senior Automation QA Engineer, you will play a key role in strengthening software quality and reliability across a portfolio of innovative,...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Java Tech Lead / Solution Architect (React, Telecom) based in Spain.Are you an experienced Java engineer ready to combine hands‑on development, solution architecture, and technical leadership on a strategic telecommunications...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Engineer (.NET/React) based in Spain.As a Senior Full Stack Engineer, you will build and evolve scalable, secure, and high-performing applications across both backend and frontend layers. You will work...

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...

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...