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Data Engineer developing, maintaining and optimizing Big Data solutions on AWS, building ETL/ELT pipelines with PySpark, real-time processing with Spark Streaming and Kafka, SQL transformations and Iceberg/Delta Lake tables. Fully remote role from anywhere in Spain on a long-term project.
A strategic leadership role as Head of DevOps & QA for a global technology organisation's newly launching Barcelona engineering hub. Day to day the person leads DevOps and QA strategy across teams, driving CI/CD, test automation, platform engineering, and cloud adoption while building and mentoring high-performing teams.
Architect role at NTT DATA's Digital Architecture division designing an AI-powered SDLC: evolving CI/CD platforms, implementing 'Agentic DevOps' use cases (code review, testing, pipeline upkeep, incident analysis), and integrating AI agents with repos, cloud and observability tooling. Core stack: GitHub Actions/GitLab CI/Jenkins/Azure DevOps, Terraform, Docker, Kubernetes/OpenShift, AWS/Azure, plu
Consultancy Vortech is hiring a Senior Backend Engineer to work on an invoicing/billing project for an international software client, hybrid from Barcelona (2 onsite days at Gran Via2). The role is backend-heavy: building REST APIs, microservices and distributed systems with C#/.NET 8/9, Docker, Kubernetes, SQL and RabbitMQ.
Staffing firm Zemsania is hiring Node.js backend engineers (junior to senior) for an insurance-sector client in Barcelona, building high-availability REST APIs and scalable AWS (Lambda, DynamoDB) solutions in international Agile teams. Hybrid role: 2 onsite days/week in Barcelona, with occasional company-paid trips to Paris.
Lead a team of 5 backend engineers at Macadam, the app that rewards people for walking (15M+ users), owning backend technical quality, delivery processes, and team leadership in a NestJS/TypeScript/PostgreSQL/GCP stack. Based onsite in Barcelona with a hybrid culture.
Frontend developer role at Profile Software Services focused on Liferay: you'd join a stable project building with Liferay Objects, Client Extensions, React and Freemarker. Fully remote position with an indefinite contract, flexible hours and extra benefits.
A Data Engineer / Analytics Engineer builds and maintains the client's data platform, developing data models and transformation pipelines with DBT as the ETL/ELT tool and heavy SQL, including staging/marts layers, testing, documentation, and query optimization, on-site in Sant Cugat del Vallès.
Data engineer at consultancy Aubay Spain to support, maintain and evolve a large DataHub platform: building scalable Scala/Spark/Hadoop pipelines, ensuring data quality, and driving a Hadoop-to-cloud migration (Kubernetes, COS, Spark/Airflow as a Service). Hybrid role (50% remote) based at the Madrid Río offices.
Krell Consulting is hiring a full-stack analyst-programmer with 3+ years of web development experience to build applications end-to-end: Java/Spring Boot backend, Angular frontend, REST API design, PostgreSQL data modeling, and GitLab CI/CD with production support. Remote from Spain, salary up to 29K EUR, English C1 required.
Senior full stack engineer building VOICEB.ai's autonomous AI voice-agent platform: backend services, APIs, integrations (Salesforce, HubSpot, Twilio, SIP/WebRTC) and internal tooling. Remote within Spain, owning features end to end on a small team with the CTO, using a modern JS/TS stack (React/Node) on AWS/GCP.
Designs and builds complex batch and streaming data pipelines (Python, SQL, Spark) for a global data platform on AWS and Databricks, working with Lakehouse architectures (Delta Lake/Iceberg/Hudi), CDC/upsert strategies, and Airflow orchestration. Hybrid role in Madrid for a data engineer with 4+ years of experience.
Senior full-stack engineer at engineering-services firm FERCHAU Spain, joining a long-term international project: developing and maintaining distributed applications using .NET/.NET Core microservices, REST APIs, an Angular front-end, Kafka-style event-driven architecture and NoSQL databases, applying SSDLC and software security practices.
Senior Data Engineer for an international client project building a global data platform on AWS and Databricks: designing batch and streaming pipelines with Python, SQL and Spark, implementing Lakehouse architectures (Delta Lake, Iceberg, Hudi), CDC/upsert strategies and Airflow orchestration. Hybrid role in Madrid with 3 days remote.
Fully remote SIEM & Security Data Engineer at Capitole Consulting, joining an international cybersecurity project. Day to day: integrating and normalizing security logs into SIEM platforms, building parsers, defining detection use cases, and automating pipelines with Python/Bash, cloud (AWS/Azure/GCP), Kubernetes and IaC tools.
Senior full stack developer for a long-term, 100% remote tech project: building and maintaining Angular web apps (including real-time data features) and integrating them with Java/Spring Boot services, REST APIs and microservices, with some UX/UI involvement. Requires 8+ years of Angular; Docker, Kubernetes and data-viz skills are a plus.
Hybrid (50% office/50% remote) full stack role in Madrid building Java and Angular applications on modern microservices and event-driven architectures. Day to day: backend services in Java (JDK 8, valued JDK 17), Angular 16–20 frontend, Kafka/RabbitMQ/ActiveMQ messaging, PostgreSQL/Oracle, Docker, and automated testing in Scrum teams.
Data engineer/analyst role in Tres Cantos, Madrid (hybrid, 3 days onsite) focused on developing and maintaining ETL and data integration processes with Pentaho. Day to day: extract, transform and load data, validate and treat data, and analyze and resolve data-related incidents. Requires 2-3 years of data experience plus Pentaho and SQL skills.
Data Engineer focused on data products who operationalizes advanced AI/ML models into reliable, high-quality data products for a leading European retail company's Digital Hub. Day-to-day work centers on building scalable batch and real-time pipelines with Python, SQL, Databricks, Spark, and Airflow on GCP/Azure, plus data modeling, observability, and model drift monitoring.
Mid-level backend engineer at Flanks, a Barcelona-based fintech startup, designing and maintaining Python data pipelines and backend services that aggregate clients' financial assets for wealth managers. Work centers on ETL/ELT pipelines, SQL/NoSQL query optimization, testing, and Docker/CI-CD deployment.
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