Python Developer - Data & Analytics (Madrid - Hybrid)

AXON Networks; Madrid; Híbrido; EUR 55.000 - 75.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive salary

Flexible schedule

Free parking or transportation card

Meal card

Private medical insurance

PTO for birthday

Descripción de la vacante

A leading technology company seeks a Python-focused developer in Madrid to build and maintain data pipelines, perform data analysis, and design predictive models. This role involves collaboration with product teams to deliver data-driven insights while requiring proficiency in Python, SQL, and BI tools. Benefits include a competitive salary, flexible schedule, free parking, and private medical insurance. Candidates should be fluent in English and Spanish and have at least three years of experience in a related field.

Formación

• 3+ years of experience in data engineering, analysis, or machine learning.
• Strong production experience developing in Python.
• Fluency in English and Spanish.
• 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).
• Fluency in both English and Spanish.
• Ability to work in hybrid in Madrid.

Responsabilidades

• Build Python-based data pipelines for data ingestion and ETL.
• Analyze datasets to uncover trends and insights.
• Collaborate with product teams to translate business requirements into data solutions.
• 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 to forecast trends and support decision-making.
• Performance & scalability: Optimize queries and data workflows for low-latency and high-throughput environments.
• Prototyping & research: Rapidly prototype algorithms and analyses in Python (or MATLAB) and turn prototypes into production-ready code.

Conocimientos

Data engineering

Machine learning

Data analysis

Problem solving

Communication skills

Teamwork

Airflow

Kubernetes

English/Spanish

Educación

Bachelor’s degree in Computer Science or related field

3+ years experience

Herramientas

Python

SQL

Tableau

Power BI

scikit-learn

MongoDB

ClickHouse

Descripción del empleo

AXON Networks delivers a robust AI-driven, analytics-based orchestration platform and a wide portfolio of next‑generation high‑speed routers that leverage the newest Wi‑Fi technologies. Together, these technologies give ISPs the ability to manage and troubleshoot their networks in real time, and to deliver an outstanding customer experience.

AXON Networks is a trusted strategic partner for its customers, helping them evaluate their current technologies and business models, and creating and executing strategies that enable them to innovate faster, accelerate their digital transformations, and strengthen their relationships with consumers.

AXON Networks is headquartered in Irvine, CA USA with Asia HQ in Singapore and also operating in Denmark, Spain and Vietnam.

AXON Networks is seeking a Python‑focused developer to build, maintain, and optimize data pipelines, analyses, and predictive models that inform product and business decisions.

The Data Engineer’s primary responsibility is to deliver clear customer value through data‑driven analytics. This role requires strong analytical skills and deep familiarity with the product algorithms, contributing across product development: performing data analysis, defining and documenting algorithms, and delivering production‑quality solutions that meet customer needs.

You will be working in a dynamic and continuous learning environment, with highly cooperative colleagues, and you will feel a part of a highly skilled technical community.

Responsibilities

• 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.

Requirements

• 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.

Nice‑to‑Have

• 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).

Benefits

• A competitive salary and incentive plan.
• Flexible schedule, including telecommuting.
• Free parking or transportation card (Pluxee transport pass).
• Meal card (Pluxee restaurant pass).
• Private medical insurance (for the whole family).
• The opportunity of working in an international environment.
• PTO for birthday.
• Only applications submitted in English will be reviewed or considered for this position.

Join AXON Networks!

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