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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Engineer's primary responsibility - **Company:** AXON Networks - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Airflow, Amazon Web Services, Microsoft Azure, Big Data, Databases, Information Engineering, Extract Transform Load (ETL), Data Mining, Data Systems, Python (Programming Language), MATLAB, Machine Learning, MongoDB, NumPy, Power BI, Cloud Services, Tensorflow, Signal Processing, SQL Databases, Tableau (Software), Workflow Management Systems, Wi-Fi Technology, Computer Network Technologies, Data Ingestion, Pytorch, Model Validation, Pandas, Scikit Learn, Kubernetes, Information Technology, Low Latency, Production Code, Machine Learning Operations, Vertica - **Published:** August 4, 2026 - **Apply:** https://www.jobleads.com/es/job/e00cded30ad1aafc9a428e25b12d6c3a3 ## About the Role * Bachelor's degree in Computer Science, Mathematics, Statistics, Telecommunications, or related field (advanced degree a plus). * At least 3 years of work experience. * Strong production experience developing in Python (data engineering, analysis, and/or ML). * Proficient with SQL and experience with ClickHouse and MongoDB (or similar). * Experience collecting, analyzing, and reporting data from lab and production systems. * Experience with BI tools (Tableau, Power BI, or similar). * Familiarity with data mining and machine learning algorithms and libraries (scikit-learn, pandas, NumPy). * Experience prototyping algorithms in Python (MATLAB experience a plus). * Soft Skills + Analytical Capabilities, Critical thinking, Problem solving, Eager to learn, and Proactive. + Planning and Organizational skills, Active listening, Communication skills. + Teamwork, autonomous. + Customer and results orientation. * Fluency in both English and Spanish. * Ability to work in hybrid in Madrid., * Knowledge of statistical signal processing or communication systems. * Experience with Wi-Fi or networking technologies. * Experience deploying ML models and building monitoring for model performance. * Familiarity with cloud data platforms and orchestration tools (Airflow, Kubernetes, AWS/GCP/Azure). ## Description * Data ingestion & ETL: Build robust Python-based pipelines to collect, clean, validate, and join large datasets from multiple sources (APIs, logs, databases, files). * Data quality & troubleshooting: Detect, investigate, and resolve data discrepancies and integrity issues; implement automated validation and monitoring. * Data analysis & reporting: Analyze datasets to uncover trends and actionable insights; produce repeatable reports and dashboards for stakeholders. * Dashboards & visualizations: Develop and maintain dashboards (Tableau, Power BI, or equivalent) and programmatic visualizations for product and business teams. * Collaboration: Work closely with product and engineering to translate business requirements into data solutions, instrumentation, and KPIs. * Predictive modeling & ML: Design, train, evaluate, and deploy statistical models and machine learning solutions (scikit-learn, PyTorch, TensorFlow, etc.) to forecast trends and support decision-making. * Performance & scalability: Optimize queries and data workflows (SQL, ClickHouse, MongoDB) for low-latency and high-throughput environments. * Prototyping & research: Rapidly prototype algorithms and analyses in Python (or MATLAB when needed) and turn prototypes into production-ready code. ## Related Videos - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [Vectorize all the things! 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