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Hi, I’m Christina Konstantopoulou, a data scientist with a PhD in Astrophysics and 6+ years of experience in data analysis, machine learning, statistical modeling, and visualization. I enjoy turning complex data into clear, actionable insights and building robust pipelines that improve accuracy and efficiency. I’m passionate about solving real-world problems, accelerating decision-making, and helping clients make data-driven choices through high data quality, automation, and thoughtful communication of results.…Hi, I’m Christina Konstantopoulou, a data scientist with a PhD in Astrophysics and 6+ years of experience in data analysis, machine learning, statistical modeling, and visualization. I enjoy turning complex data into clear, actionable insights and building robust pipelines that improve accuracy and efficiency. I’m passionate about solving real-world problems, accelerating decision-making, and helping clients make data-driven choices through high data quality, automation, and thoughtful communication of results.

Christina Konstantopoulou

Data Scientist, Data Analyst, Data Scraping Specialist, +5

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Hi, I’m Christina Konstantopoulou, a data scientist with a PhD in Astrophysics and 6+ years of experience in data analysis, machine learning, statistical modeling, and visualization. I enjoy turning complex data into clear, actionable insights and building robust pipelines that improve accuracy and efficiency. I’m passionate about solving real-world problems, accelerating decision-making, and helping clients make data-driven choices through high data quality, automation, and thoughtful communication of results.…Hi, I’m Christina Konstantopoulou, a data scientist with a PhD in Astrophysics and 6+ years of experience in data analysis, machine learning, statistical modeling, and visualization. I enjoy turning complex data into clear, actionable insights and building robust pipelines that improve accuracy and efficiency. I’m passionate about solving real-world problems, accelerating decision-making, and helping clients make data-driven choices through high data quality, automation, and thoughtful communication of results.

Available to hire

Hi, I’m Christina Konstantopoulou, a data scientist with a PhD in Astrophysics and 6+ years of experience in data analysis, machine learning, statistical modeling, and visualization. I enjoy turning complex data into clear, actionable insights and building robust pipelines that improve accuracy and efficiency.

I’m passionate about solving real-world problems, accelerating decision-making, and helping clients make data-driven choices through high data quality, automation, and thoughtful communication of results.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Greek, Modern

Fluent

German

Advanced

French

Beginner

Work Experience

Data Scientist at Earthworm Foundation

May 1, 2025 - November 5, 2025

Built a scalable ML matching pipeline (RapidFuzz, TF-IDF + cosine similarity, custom alias mapping), reducing manual review effort by 70%. Developed a web-scraping tool to extract structured data, reducing manual entry by 80% and enabling downstream reporting workflows.

Research Associate at Observatory of Geneva

October 1, 2024 - October 1, 2024

Developed Python automated ETL workflows, reducing data processing time by 70%, accelerating decision-making. Analyzed a 2-billion-record dataset using k-NN to identify target candidates, increasing discovery efficiency by 20%. Conducted advanced statistical analyses and hypothesis testing, improving model accuracy by 20%. Led international research projects, coordinating deliverables, data analysis, and resulting in 14+ publications.

Scientific Data Analyst at Nordic Optical Telescope

November 1, 2020 - November 1, 2020

Optimized telescope scheduling and data collection, achieving 90% efficiency and minimizing downtime using real-time data and scientific priorities. Executed calibration algorithms on raw data, reducing noise by over 20%, producing clean, high-fidelity datasets. Resolved technical failures in real time during telescope operations, minimizing data loss and ensuring >90% efficiency.

Data Scientist at Earthworm Foundation

October 1, 2025 - October 1, 2025

Built a scalable machine learning name matching pipeline, reducing manual review effort by 70%. Developed a web-scraping tool to extract structured data, reducing manual entry by 80%, enabling streamlined reporting workflows.