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Java Developer | Híbrido (Madrid)

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Realnaut (the cloud-native brand of Axpe Consulting) seeks a Java backend developer for a hybrid role in Madrid (50% office / 50% remote). Day to day you design and build microservices-based backend solutions, event-driven services with messaging platforms, containerized deployments, and automated tests using Java, Kafka, PostgreSQL/Oracle, Docker and Kubernetes/OpenShift.

ActiveMQ API AWS Azure Bash +13 skills

Java Developer | Híbrido (Madrid) - Realnaut

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Backend Java developer at Realnaut (Axpe Consulting's Cloud Native brand) in Madrid, hybrid 50% office / 50% remote. Day to day: designing and maintaining Java microservices, building event-driven solutions with messaging platforms, optimizing APIs, and deploying containerized apps in an agile, international team.

ActiveMQ API AWS Azure Bash +13 skills

Senior Java Developer Remote Hybrid

NewBe an early applicant EuropeContractSenior

Senior Java Engineer building and running cloud-based backend microservices and data products for a Fortune 100 industrial manufacturer. Day to day involves Java 21/Spring Boot services, AWS, event-driven pipelines (Kafka/Kinesis), and heavy PostgreSQL/DynamoDB data work, fully remote from Spain with a Spanish employment contract.

Agile Analytics Automation AWS BigQuery +28 skills

Sabina Divosi - Headhunter & Talent Partner

Backend Developer (Node.js / TypeScript) | Microservicios & Fintech

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Backend developer building and scaling critical APIs for a fintech platform transforming banking, working in a microservices stack with Node.js, TypeScript, NestJS, RabbitMQ, PostgreSQL and AWS on a hybrid model from Madrid. Includes partner integrations, innovation sprints and using Claude in the dev workflow.

API AWS CI/CD Fintech NestJS +4 skills

PrimeIT España

Python Developer

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Remote (Spain) Python Developer for PrimeIT, an international IT consulting and engineering firm. Day to day you build asynchronous Python services with asyncio, gRPC/Protobuf, deploy on Azure (Container Apps, Key Vault, Entra ID) with GitHub Actions CI/CD, applying GDPR and security-by-design practices.

API Azure CI/CD Entra ID GitHub +7 skills

45K – 50K €

Vermont Solutions

Desarrollador/a Backend Java – Spring Boot, PostgreSQL y OpenShift (Remoto)

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Backend Java developer designing, building, and maintaining Spring Boot microservices with PostgreSQL and REST APIs, deployed on OpenShift/Docker, while collaborating with React frontend teams in Agile workflows. Remote work options available; role is based in Madrid.

Agile API AWS Azure CI/CD +12 skills

Senior Frontend Developer (Angular)

NewBe an early applicant EuropeSenior

Senior frontend engineer on an HR multinational's product team, building new micro-frontends (Stencil.js Web Components for calendar, Angular elsewhere) and migrating a product's UI to a modern design system with continuous releases. Needs 5+ years frontend experience; hybrid in Barcelona with B2-C1 English.

Angular Figma React

Data Scientist & ML Engineer - End-to-End AI in Production

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Ayesa Digital in Burgos, Spain is hiring a Data Scientist / ML Engineer to work across the full data lifecycle, designing, training and deploying machine learning models into production. Core stack: Python, SQL, MLflow, PySpark and libraries such as scikit-learn, TensorFlow or PyTorch.

Data Engineering Data Science Machine Learning MLflow PySpark +5 skills

Grupo Santander

Data & Platform Engineering Leader

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Engineering Manager (Data & Platform) at Grupo Santander in Madrid, leading a global team of ~14 engineers distributed across Europe. Works with product managers and developers to define vision and roadmaps, delivering high-impact software for international clients in a fintech environment.

Carbonell Figueras

Lead Data Center MEP Commissioning Engineer

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Carbonell Figueras, ubicado en Brea de Aragón, España, busca un/a Ingeniero de Commissioning MEP para liderar la puesta en marcha de infraestructuras críticas en proyectos de Data Center. Serás responsable de diseñar…

Data Engineering Manager: AI Platform Lead

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Lead a data engineering team for Amazon's Ring Agent Platforms in Madrid, owning the delivery and health of data pipelines, models, and platform infrastructure powering Ring's analytics and AI. Day to day involves mentoring engineers, driving AI-assisted engineering practices, and partnering with BI, applied science, and product teams.

AI Analytics Data Engineering Data Pipelines

Biopharma Careers

Cloud Data Engineering Tech Lead - Healthcare Data Impact

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A Technical Lead of Cloud Data Engineering who owns the design and delivery of Snowflake- and DBT-based data products for a global healthcare/biopharma context. Day to day: mentoring engineers, leading a cross-functional team, overseeing CI/CD with Azure DevOps, and driving data quality, security, and GxP compliance.

Azure Azure DevOps CI/CD Cloud Data Engineering +4 skills

Data Scientist / ML Engineer | Proyectos innovadores

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Data Scientist / ML Engineer at Ayesa Digital in Barcelona, working across the full data lifecycle — designing, training, and deploying machine learning models into production. Core stack is Google Cloud Platform (BigQuery, Cloud Storage, Dataflow/Dataproc, Vertex AI) with agile methodologies.

AI BigQuery Cloud GCP Machine Learning +1 skills

Manning Global Ag

Junior Wireless Network Engineer – Data & Optimization

NewBe an early applicant EuropeJunior

A junior engineering role in Madrid focused on radio network optimization, data analysis, and platform monitoring for a blue-chip client, with an emphasis on learning and long-term growth. Intended for recent graduates (within ~1.5 years of graduation); Chinese language ability is required and Python for data processing is a plus.

Data Scientist & ML Engineer (Production ML)

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Data Scientist / ML Engineer in Valencia, Spain working across the full data lifecycle — designing, training, and deploying machine learning models into production environments. Core stack includes PySpark, MLflow, and ML libraries like scikit-learn, TensorFlow, or PyTorch, with collaboration between business and technical teams.

Machine Learning MLflow PySpark PyTorch scikit-learn +1 skills

Senior Data Engineering Consultant - Remote Freelance

NewBe an early applicant EuropeContractSenior

Freelance senior data engineering consultant working remotely on an international project for SCC España: transforming and managing data in cloud environments and building pipelines with PySpark, Python, and SQL alongside multicultural teams. Contract runs until end of year with possible extension.

Cloud Data Engineering PySpark Python SQL

Data Engineering Manager, Ring Agent Platforms at Amazon.com

NewBe an early applicant EuropeFull-time

Leads a team of data engineers building and operating the data pipelines, models, and platform infrastructure behind Ring's analytics, science, and AI initiatives. The role emphasizes people management, cloud-native data platforms, and driving adoption of generative/agentic AI tooling to automate data engineering work.

Agentic AI AI Analytics CI/CD Cloud +9 skills

Biopharma Careers

Technical Lead - Cloud Data Engineering - Snowflake / DBT

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Technical lead owning the design, delivery and standards of Snowflake- and DBT-based cloud data products for healthcare/pharma R&D. Day to day: guide a cross-functional team, tune Snowflake and DBT pipelines, drive CI/CD via Azure DevOps, and mentor engineers while communicating with senior stakeholders.

Athena Automation AWS Azure Azure DevOps +16 skills

Data Engineering Lead: SQL, PySpark & Power BI

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Data Engineering Lead building analytical solutions for a multinational insurance client, owning the full data lifecycle and delivering business-value solutions. Core stack includes SQL, Python/PySpark for ETL, and Power BI dashboards, with on-site work in the Basque Country.

API ETL Machine Learning Power BI PySpark +1 skills

Tamarind Intelligence

Senior Data Platform Engineer & AWS Cloud Architect

NewBe an early applicant EuropeContractSenior

Senior Data Platform Engineer & AWS Cloud Architect at Keyrus (Barcelona, hybrid) who designs, builds, and operates enterprise-scale AWS data platforms for client organisations. Core stack: AWS, Terraform and GitHub Actions CI/CD, Airflow/MWAA, Redshift, Ansible and Python, with dbt, Iceberg and Spark adoption, FinOps, and mentoring/technical leadership.

Agile AI Airflow Analytics Ansible +26 skills

60K – 80K €