Open to opportunities

Dion K saji

@dionksaji

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Data science specialist skilled in SQL, Python, and statistical modeling.

India

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What I'm looking for

I am looking for opportunities that foster growth, innovation, and collaboration in data science.

I am a data science specialist with proven expertise in advanced SQL optimization, Python-based data manipulation, and statistical modeling using R. My strong foundation in computer science enables me to design and implement scalable, high-impact data systems that support strategic decision-making and business growth.

Throughout my career, I have successfully constructed predictive analytics platforms, developed data quality management systems, and implemented financial fraud detection systems. My projects have consistently achieved high accuracy rates and improved data integrity, showcasing my ability to convert raw data into actionable insights for stakeholders.

I am passionate about leveraging data to drive business success and am committed to continuous learning and professional development in the field of data science.

Experience

Work history, roles, and key accomplishments

Financial Fraud Detection System Utilizing Machine Learning

Self Employed

Oct 2024 - Present (9 months)

Developed and deployed a robust anomaly detection system leveraging decision tree algorithms to identify fraudulent financial transactions. Engineered critical feature extraction techniques, including dimensionality reduction and normalization methodologies to optimize model performance.

Anomaly Detection Decision Trees Feature Extraction Hyperparameter Tuning Cross Validation

Enterprise Data Quality Management System

Self Employed

Oct 2024 - Present (9 months)

Architected and implemented a comprehensive SQL-based data quality framework, achieving 90% improvement in data integrity scores. Engineered automated SQL procedures to identify and remediate duplicate records, normalize inconsistent formats, and impute missing values using statistical methods.

SQL Data Quality ETL Data Validation Data Governance

House Price Valuation Predictive Analytics Platform

Self Employed

Sep 2024 - Present (10 months)

Constructed an advanced multivariate regression model in R Studio that predicts property valuations with 80% accuracy in dynamic market conditions. Executed comprehensive exploratory data analysis (EDA) to identify key value drivers and multicollinearity factors affecting real estate pricing.

R R Studio Data Visualization

Education

Degrees, certifications, and relevant coursework

APJ Abdul Kalam Technological University

Bachelor of Computer Science and Engineering, Computer Science and Engineering

2021 - 2025

Studied computer science and engineering at APJ Abdul Kalam Technological University. Focused on foundational concepts and practical applications in the field.