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Data Engineer

Data Engineer for a cybersecurity/cyberintelligence team in Madrid: design scalable ETL/ELT pipelines, maintain and evolve the platform's Datalake, manage large data volumes, and build REST API integrations in a containerized, Python-based environment. Mid level needs 2+ years' experience; senior needs 5+.

API Data Governance ELT ETL Git +2 skills

Azure Backend Engineer – Cloud Native & Ai-Assisted Development - Remoto

Senior backend engineer (5+ yrs) who designs and evolves scalable microservice architectures and high-performance REST APIs for mission-critical projects, working 100% remotely from Spain in Scrum teams. Core stack: Java tooling (JUnit, Mockito, Maven, Wiremock), JPA/Oracle/JDBC, with Azure DevOps as a plus.

API Azure Azure DevOps DevOps Jdbc +12 skills

Data Engineer

Data Engineer (fully remote) for an IT consulting firm, building data platforms on cloud (Azure/AWS) using Databricks, Power BI, ETL tools like Data Factory, and Data Lakehouse architectures, with Python and SQL.

AWS Azure Azure Data Factory Cloud Databricks +5 skills

Backend Node + Express Developer

New RemoteEurope

Mid/senior backend software engineer at Orbitant, a technology boutique building software for external clients: designing, developing, and maintaining Node.js + Express applications, reviewing and improving code, mentoring teammates, and collaborating with technical and business profiles. 100% remote within Spain, with an optional Madrid office.

AI CI/CD Cloud Docker Express.js +2 skills

33K – 53K €

Senior Full Stack Developer (Ai-Native Engineering) – Java / Spring Boot / Angular

New RemoteEuropeSenior

Remote (Spain-based) senior full-stack role at tech consultancy TheWhiteam, building corporate issuance, distribution, pricing and processing platforms with Java, Spring Boot, Hibernate/JPA and Angular. AI-native mindset is key: using AI tools (Copilot, Claude, Cursor, etc.) across the SDLC, plus CI/CD, microservices and mentoring juniors.

Agile AI Angular API AWS +27 skills

Senior Java Backend Developer – Spring Boot / Kubernetes / Kafka – Barcelona (Híbrido)

New EuropeSenior

Senior Java backend developer building and supporting high-impact international products with Java 17+, Spring Boot, REST APIs, Apache Kafka, and Kubernetes on AWS. Hybrid role in Barcelona (40% onsite / 60% remote) with an Agile team and occasional travel to Munich.

Agile API AWS Camunda CI/CD +23 skills

Full-Stack Php Developer (Lamp) — Hybrid Madrid

New HybridEuropeMiddle

Mid-level full-stack PHP (LAMP) developer at Ailin, a healthtech founded in 2022 offering tech-enabled lab testing. Builds and maintains PHP apps and microservices for a new platform using MongoDB, MySQL, basic frontend (CSS/JS), Git and AWS; hybrid role based in Madrid with one office day per week.

AWS Cloud CSS DevOps Git +8 skills

Altare Servicios Profesionales

Backend Developer | Java & Spring Boot - Hasta €45.000 Al Año

Backend developer with strong Java (5+ yrs) at UST/Altare, a large IT services multinational, supporting a leading banking client in Madrid. Hybrid: 3 days at the client's Ventas-area office, 2 remote. Will train in Actico Rules business rules management; Oracle and Kafka experience valued. Salary up to €45,000/year.

API CI/CD Java Kafka Spring

Alcorce Telecomunicaciones SL

Java Backend Developer | Spring Boot · Openshift · Rest Apis (Remoto) - Remoto

Java backend developer designing and maintaining microservices with Java, Spring Boot and Spring Cloud, building/consuming REST APIs, and deploying on OpenShift and Docker; collaborates with Angular frontend teams and contributes to code reviews, testing, CI/CD, performance and scalability work.

Angular API AWS Azure CI/CD +15 skills

Backend Developer Java Spring Boot - €35.537 - €43.785 Al Año

Backend Java developer at Mercadona's internal IT team, designing RESTful microservices with Spring Boot, Hibernate/JPA data models, and JUnit/Mockito tests to modernize the Spanish supermarket chain's systems. Gross annual salary €35,537–€43,785 in Spain.

Microservices REST Spring Unit Testing

36K – 44K €

Devops Engineer (React + Node.Js) | Remote (Spain)

New RemoteEurope

DevOps engineer with 5+ years' experience for TheWhiteam Consulting, working 100% remotely from Spain on a long-term (initially 12-month) client project. Day to day: building CI/CD pipelines, infrastructure as code, cloud resource management, monitoring and incident resolution; React/Node.js familiarity is a plus.

Automation CI/CD Cloud DevOps Infrastructure as Code +3 skills

Giesecke+Devrient

Senior Java Backend Developer - Cloud-Native Microservices & Cryptography

New EuropeSenior

Senior Java Backend Developer at Giesecke+Devrient in Barcelona, leading end-to-end development of secure, cloud-native microservices for the Trusted Service Manager (TSM) platform. Core stack: Spring Boot 4, Spring Cloud/Data, MongoDB, Docker/Kubernetes, CI/CD, with deep focus on cryptography (PKI, certificate lifecycle, key management) and automated testing.

Agile API Atlassian Automation BDD +31 skills

Backend Developer (.Net) 100% Remoto - €27.000 - €30.000 Al Año - Remoto

Fully remote backend developer (Spain) building and integrating .NET backend services: designing REST APIs, SQL Server work (procedures, jobs, views), SSIS integrations, unit testing, incident support and technical documentation. Requires 5+ years backend experience; Python and SOAP valued. Salary €27k–30k/year.

API C# .NET Python SOAP +2 skills

27K – 30K €

Senior Data Engineer - Remoto

New HybridEuropeSenior

Senior Data Engineer at Bravent, a Microsoft-specialized Spanish tech firm, working remotely (36h week, flexible hours) building data platforms on Azure: ADF and Databricks (PySpark) pipelines, ETL/ELT processes, warehouse modeling, and Power BI analytics, with 4-8 years of experience required.

Agile API Azure Azure Data Factory Azure DevOps +19 skills

Full Stack Developer Java (Ai Native) Ingles Alto, 100% En Remoto

Remote (from Spain) senior full-stack role building enterprise Java/Spring Boot microservices applications and REST APIs, using AI/LLM tools across the whole SDLC for code generation, testing, debugging and documentation, with Git, Jenkins and CI/CD pipelines.

AI API CI/CD Git Java +5 skills

Devops Engineer - €30.000 - €35.000 Al Año - Remoto

New RemoteEurope

Sphera-TI is hiring a DevOps Engineer to support a leading banking-sector client, working 100% remotely from Spain. The role centers on automation using OpenShift and Ansible, with AWS and Kubernetes valued; requires 2-3 years of DevOps experience and offers a €30-35K permanent contract.

Ansible AWS Cloud DevOps Kubernetes +1 skills

30K – 35K €

Metrica España

Data Engineer Big Data (Spark / Pyspark / Azure Databricks)

Data Engineer designing and optimizing distributed data pipelines with Apache Spark, PySpark and Azure Databricks (Delta Lake), focusing on performance tuning, cost optimization and columnar processing, while collaborating directly with clients. Requires 3+ years' experience; 100% remote, €34,000 gross annual salary.

Agile Azure Big Data Data Engineering Databricks +13 skills

34K – 34K €

Devops Engineer (Aws, Kubernetes Y Terraform) Remoto

Remote DevOps engineer at SlashMobility, a Spanish boutique digital-transformation consultancy. Day to day: managing AWS infrastructure with Terraform, running Docker/Kubernetes workloads, monitoring with Grafana/Prometheus/Loki, and building GitOps pipelines with Bitbucket and ArgoCD.

Argo CD AWS Bitbucket Docker GitOps +5 skills

SEREM Consultoría Empresarial

Full Stack Software Developer

Full stack developer on Schneider Electric's PowerLogic T500 engineering team in Seville, building desktop and web engineering/configuration tools for the PowerLogic Engineering Suite. Day-to-day work spans frontend and backend with Angular, TypeScript, C#/.NET, Electron, SignalR/WebSockets, and PostgreSQL in a cross-functional Agile squad.

Krell-consulting

Backend Developer Java / Spring Boot / Kafka | Barcelona

Senior Java backend developer building microservices for an insurance-sector project in Barcelona, working with Spring Boot, Kafka, MongoDB, and event-driven architecture in an Agile/Scrum setup. Hybrid model: 1-2 days per week in the office, rest remote.

Agile Angular API Cloud Git +12 skills

38K – 43K €