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I am a results-driven data scientist and analytics engineer with hands-on experience building scalable data pipelines for IoT and cloud platforms. I turn complex sensor and time-series data into actionable insights that drive predictive maintenance, asset utilization, and operational efficiency. I enjoy applying ML, DevOps practices, and automation to optimize data workflows, collaborating with cross-functional teams to solve real-world problems, and delivering measurable business impact.…I am a results-driven data scientist and analytics engineer with hands-on experience building scalable data pipelines for IoT and cloud platforms. I turn complex sensor and time-series data into actionable insights that drive predictive maintenance, asset utilization, and operational efficiency. I enjoy applying ML, DevOps practices, and automation to optimize data workflows, collaborating with cross-functional teams to solve real-world problems, and delivering measurable business impact.

Marina Cozzolino

Data Scientist, Full Stack Developer, Web Designer, +2

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I am a results-driven data scientist and analytics engineer with hands-on experience building scalable data pipelines for IoT and cloud platforms. I turn complex sensor and time-series data into actionable insights that drive predictive maintenance, asset utilization, and operational efficiency. I enjoy applying ML, DevOps practices, and automation to optimize data workflows, collaborating with cross-functional teams to solve real-world problems, and delivering measurable business impact.…I am a results-driven data scientist and analytics engineer with hands-on experience building scalable data pipelines for IoT and cloud platforms. I turn complex sensor and time-series data into actionable insights that drive predictive maintenance, asset utilization, and operational efficiency. I enjoy applying ML, DevOps practices, and automation to optimize data workflows, collaborating with cross-functional teams to solve real-world problems, and delivering measurable business impact.

Available to hire

I am a results-driven data scientist and analytics engineer with hands-on experience building scalable data pipelines for IoT and cloud platforms. I turn complex sensor and time-series data into actionable insights that drive predictive maintenance, asset utilization, and operational efficiency.

I enjoy applying ML, DevOps practices, and automation to optimize data workflows, collaborating with cross-functional teams to solve real-world problems, and delivering measurable business impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Polish

Fluent

Russian

Advanced

Italian

Intermediate

German

Intermediate

Chinese

Intermediate

Work Experience

Data Analyst – Sensor Device Team at Nexxiot

June 1, 2023 - March 1, 2025

Led data analysis initiatives for IoT sensor data streams, focusing on predictive maintenance, asset utilization, and operational efficiency. Built and maintained data pipelines using SQL and Python (Pandas, NumPy) to clean, transform, and aggregate large volumes of time-series sensor data. Applied statistical methods and EDA to identify trends, anomalies, and KPIs; created visualizations for technical and non-technical stakeholders. Collaborated with engineering and product teams to define data requirements and troubleshoot data-quality issues. Designed and maintained GitLab CI/CD pipelines to automate testing and deployment of Python services across Azure, AWS, and GCP.

Knowledge Analyst / Junior Analyst at McKinsey & Company

May 1, 2020 - September 1, 2022

Provided analytical expertise and data-driven insights to consulting teams across various industries. Sourced, cleaned, and analyzed datasets using Python and SQL-based tools for strategic recommendations. Applied quantitative methods and statistical analysis to interpret data and build analytical models. Synthesized findings into concise presentations for senior consultants and clients. Structured ambiguous data challenges and delivered solutions under tight deadlines.

Soloist, Choir Master & Second Conductor at Belarusian State Technological University

May 1, 2008 - May 1, 2012

Led choral activities as soloist and in conducting roles; organized rehearsals and performances.