Empleos de senior javascript engineer en Zaragoza

Job&Talent is seeking a proactive Senior Information Security Engineer to own incident management and drive the ongoing improvement of our security posture. This fully remote role offers flexibility within ±1 hour of CET and requires leadership in SecOps, threat detection, and cloud security across major platforms. You will collaborate with DevOps, mentor...

NTT Global Data Centers seeks a Senior IIoT & SCADA Engineer to lead design, implementation, and lifecycle management of telemetry platforms across data-center operations. Translate architecture into scalable, reliable solutions and mentor staff for robust OT/IT integration. You will collaborate with OT Architecture, Telemetry Engineering, Data Platforms,...

Skillwell is seeking a Senior Software Engineer to shepherd technical excellence and evolutionary architecture for our platform. You will apply TDD/BDD, refactor for maintainability, and drive CI/CD improvements with Jenkins, GitLab, or Bitbucket. Expect hands-on Java/Jakarta EE development, strong OOP/SOLID practices, and mentoring teammates through design...

NIQ is seeking a seasoned scraping engineer to join its Digital Shelf team. You will design scalable distributed scraping architectures, reverse engineer APIs, and bypass anti-bot measures to extract high-quality data from thousands of domains. Collaborate with Customer Success, Operations, and Data to deliver fast, actionable insights. Bring 5+ years in...

Grafana Labs is a fully remote company with a global team creating Grafana Cloud, a composable observability platform. We value open-source culture, transparency, autonomy, and trust, and we welcome applicants from multiple countries including Spain. You’ll work on a cloud-native stack (Go, Kubernetes) with on-call rotations, collaboration, and a focus on...

A leading IT outsourcing firm is looking for a Senior AI/ML Engineer to lead initiatives in fine-tuning large-scale AI models and build distributed AI architectures. The role is fully remote with some in-person sessions in Prague. Key qualifications include advanced skills in Python, deep learning, and experience deploying LLMs. Ideal candidates have strong...

Lucanet is seeking a Senior QA Engineer to own quality across manual and automated testing for the Tax, Compliance and Reporting platform. You will build Playwright/TypeScript coverage for two teams and mentor developers to take ownership of testing.Join a remote-friendly environment with an emphasis on AI-driven QA, performance testing with K6, and close...

The Whiteam Consulting busca un/a Senior Software Developer para un equipo internacional responsable del mantenimiento, evolución y desarrollo de aplicaciones corporativas desplegadas en AWS Cloud. Se trabajará en proyectos internacionales con España y Bélgica, desarrollando soluciones cloud-native modernas y colaborando en iniciativas de mejora...

Intellias seeks an experienced DevOps/Platform Engineer to design, build, and maintain the internal infrastructure platform. You will work with Python services and tooling, collaborating with engineering teams to translate pain points into platform features. You will implement IaC with Ansible and Terraform, manage migrations, and enhance observability with...

TECDATA ENGINEERING busca un/a Desarrollador/a Frontend con al menos 5 años de experiencia para crear aplicaciones web escalables y de alto rendimiento en un entorno ágil. Requiere especialización en React y dominio de JavaScript/TypeScript, así como capacidad para colaborar con equipos multidisciplinares para transformar diseños en código limpio.Se...

Tecdata busca un Desarrollador Java Backend con más de 3 años de experiencia para diseñar, desarrollar y mantener aplicaciones empresariales. Se requiere dominio de Java, Spring Boot y arquitecturas de microservicios, con experiencia en APIs REST y optimización de rendimiento.Se trabajará con bases de datos SQL, Git y metodologías Agile, colaborando en...

Jobgether SRL is seeking a Senior PHP/Laravel Developer with infrastructure and DevOps experience, based in Spain. You will split time between software development and infrastructure work, driving reliability, performance, and security across data-driven applications.The role requires hands-on leadership, architecture design, and collaboration with...

Jobgether SRL in Spain is seeking a Senior Customer AI Engineer – Token Factory to bridge engineering, delivery, and customer success. You will guide PoC-to-production transitions, optimize AI workloads, and troubleshoot production challenges while ensuring reliability and cost efficiency.You will work closely with customer engineering teams, product, and...

Filigran is seeking a Senior Software Engineer who is AI-first and hands-on, capable of driving AI-native engineering across our XTM Foundation. You will experiment with AI coding tools, build guardrails for safe deployment, and work with multiple product teams to embed AI into daily workflows.You will help the organization scale AI practices, contribute to...

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...

OpenNebula Systems in Madrid-based HQ and fully remote, international team, is seeking a Senior Full-Stack Developer to advance the OpenNebula cloud management platform with a strong front-end focus while contributing to back-end when needed.You will own features end-to-end, work in Linux environments, collaborate across teams, and help evolve edge and cloud...

Tokiota busca un Senior Data Engineer para liderar soluciones end-to-end en Data & AI, con foco en Microsoft Fabric, Power BI y modelos semánticos. El candidato debe combinar una sólida base técnica con visión de negocio y experiencia en proyectos complejos.Ofrecemos teletrabajo, horario flexible, jornada intensiva en julio y agosto, seguro médico para...

The BOARD | people & talent is seeking an accomplished engineer to drive architecture across distributed systems and microservices. You will influence standards, design patterns, and engineering best practices while staying hands-on in a fast-moving team.We value deep Java expertise, experience with Kafka, and cloud-native delivery. Expect a remote-friendly...

FinDev is seeking a Senior C++ Developer to join a team building a large-scale, real-time electronic trading platform for the global Fixed Income market. You’ll work primarily with modern C++ on Linux, delivering server-side components for trading workflows, order and trade lifecycle, and system integrations.This role offers a flexible work setup (remote...

En Métrica España buscamos incorporar un/a QA Automation Engineer Senior para un proyecto del sector asegurador internacional.Buscamos una persona con experiencia sólida en automatización de pruebas, especialmente con Playwright y TypeScript, que contribuya a garantizar la calidad del software desde el análisis funcional hasta la integración de pruebas...