Empleos de remote senior backend java engineer en Zaragoza

Metricool seeks a Senior Security Engineer to manage application, cloud, and AI security, focusing on JavaEE, Spring Security, Vue, Docker, AWS, and compliance with ISO 27001 and SOC 2. The role is 100% remote within Spain.

Swissblock Technologies AG is seeking a Senior Platform Engineer to design, deploy, and operate a scalable, secure algorithmic trading platform on Google Cloud Platform. You will partner with quant engineers, data scientists, and researchers to implement architecture, automation, and cost optimization in a remote-first, Europe-focused setup with onsite...

X4 Technology seeks an experienced Embedded Engineer to port and bring up U-Boot on a new SoC, working remotely across Europe. The role emphasizes low-level development near hardware with strong C and ARM expertise. You will engage in bootloader work, kernel debugging, and upstream processes as part of a long-term contract. The position is fully remote in...

A tech-driven remote development company is seeking an experienced professional to join their team. This position offers the chance to work on innovative digital products in a 100% remote environment. Candidates should have over 7 years of experience, advanced English fluency, and a proactive, team-oriented mindset. The role requires maintaining a 6-hour...

Devoteam Spain busca un AI Engineer Senior para diseñar soluciones basadas en IA Generativa, con arquitecturas de agentes y RAG en el ecosistema Microsoft Azure.Trabajarás en proyectos innovadores, colaborando con clientes y equipos multidisciplinares, con al menos 5 años de experiencia y 2 años en IA Generativa en producción. Se ofrece salario...

Plain Concepts is seeking an AI-focused Data Scientist / AI Engineer to join our international AI/ML squad. You will train, deploy, and operationalize AI/ML solutions, collaborating with multidisciplinary teams across offices and remote settings. You will own end-to-end ML lifecycle, build scalable ML pipelines, and contribute to MLOps practices. Fluent...

DuckDuckGo is seeking a Senior C++/Chromium Engineer to lead high-impact projects on our privacy-focused browser core. You will turn vague problems into clear plans and implement them in a large modern C++ codebase, collaborating with design and product mostly asynchronously. You’ll work on features like tracker blocking, VPN integration, and performance...

Connect Vision International is seeking a Senior Platform Compliance Engineer to join a major international technology organisation on an initial contract until the end of 2026, with strong potential for extension. Location: Portugal or Spain – Fully Remote. The role sits at the intersection of cybersecurity, IT controls, risk, compliance and engineering....

Talantir busca un backend engineer senior para diseñar y construir sistemas agenticos en producción, integrando LLMs y API robustas. El rol requiere pensamiento orientado a producto, autonomía y capacidad de diseñar arquitecturas escalables y fiables. El candidato participará en todo el ciclo: desarrollo, despliegue y monitorización, con colaboración...

UST España & Latam busca un Senior MLOps para mejorar capacidades digitales mediante despliegue y mantenimiento de aplicaciones de IA. Colaborarás con departamentos para diseñar e implementar soluciones sólidas en un entorno de teletrabajo con visitas a Madrid.Se requieren 4 años de experiencia en IA, Python, ETL con Spark, y manejo de CI/CD, Kubernetes...

Recodme busca un/a Senior Azure Data Engineer remoto en España, con amplia experiencia en desarrollo y optimización de soluciones de datos en Microsoft Azure. Diseñarás y mantendrás pipelines escalables con Azure Databricks, PySpark, Spark SQL y Delta Lake. Participarás en migraciones, aplicarás la arquitectura Medallion y gobernanza con Unity...

SPD Technology is seeking a Senior Silicon System and Software Integration Engineer to accelerate ML ASIC development. You will bridge specification, design and verification, integrating hardware and software across IPs and systems. This remote role offers cross-functional collaboration, exposure to RTL, firmware, FPGA environments, and validation workflows,...

Cohere, a leading security-first enterprise AI company, seeks a senior engineer to join our Technical Staff. You will design production-grade software for training foundation models, develop new tooling, and collaborate across infra, research and product teams to advance scalable AI systems. This hands-on, engineering-driven role emphasizes excellence in...

Bravent, empresa especializada en tecnologías Microsoft, busca un/a Senior Data Engineer - Microsoft Azure & Fabric para diseñar, implementar y mantener arquitecturas de datos en Azure y desarrollar soluciones ETL/ELT complejas. Se valorará experiencia en Azure Data Factory, Azure Databricks y Azure Functions, modelado de datos, BI con Power BI y...

Amaris Consulting seeks an experienced Data Engineer to design and implement scalable data solutions across multiple domains. You will model data, build pipelines with Microsoft Fabric and Azure Synapse, and develop Power BI dashboards to deliver insights. You will mentor a small team, collaborate with cross-functional teams, and ensure data quality and...

Jobgether in Spain is seeking a Senior Backend Developer (Go) to architect and implement reliable, scalable backend services for a modern energy trading platform. You will leverage Go expertise and AI-assisted tools to accelerate delivery while maintaining high engineering standards. You’ll work remotely, mentor peers, and contribute to system design,...

Harrington Starr is seeking a Senior AWS Infrastructure Engineer to own and optimise a latency-sensitive cloud platform for a fast-growing quantitative trading firm. This fully remote B2B contract role focuses on high-performance compute workloads and aggressive cost optimisation. The successful candidate will drive architecture decisions, reduce...

The company is looking for a Senior DFT Engineer to own Design-for-Test (DFT) for customer SoCs, from architecture and implementation through tape-out and production test hand-off. Responsibilities: Develop and implement DFT architecture, scan insertion, and ATPG. Handle memory BIST, boundary scan, and at-speed testing. Debug DFT rule violations and improve...

Astek Iberia is seeking an experienced Senior Backend Engineer specializing in Node.js and integrations to join an international client in the pharmaceutical logistics sector. You will design, develop, and maintain backend services using Node.js and TypeScript, building APIs and integrations with ERP, WMS, and third-party platforms while contributing to...

UST España & Latam is seeking a highly skilled Java Engineer to join a project with a global financial services leader. You will design, build and maintain scalable API-based systems in a DevOps culture, owning the service from development to operation. You will work within an Agile environment, focusing on RESTful APIs, microservices, and cloud-based...