Karthik Vinnakota
Data Engineer
West Haven,CT
Summary
Data Engineer with over 3 years of expertise in data analysis, visualization, and pipeline optimization. Achieved a 20% improvement in data accuracy through SQL-based cleansing and exploratory analysis. Skilled in Python, SQL, and Power BI for generating actionable insights and enhancing ETL processes. Proficient in AI and machine learning algorithms, optimizing data processing by 40% while maintaining regulatory compliance.
Overview
3
3
years of professional experience
Work History
Data Engineer
Data Acies Inc.
Dallas, TX
12.2024 - Current
- Built and improved data pipelines using Python and Snowflake tools like Snowpipe, Streams, and Tasks, increasing data processing efficiency by 45% and managing access with secure roles and permissions.
- Created automated data workflows using Snowflake Tasks and external functions, cutting infrastructure costs by 30% and speeding up real-time financial transactions.
- Designed real-time data streaming solutions by connecting Kafka with Snowflake, boosting analytics speed by 50% and helping teams detect fraud and risks faster.
- Processed large volumes of data with PySpark, loading them into Snowflake for fast analysis, reducing query times by 40%.
- Created interactive Power BI dashboards using data from Snowflake, improving report performance and query efficiency by 40%.
Data Analyst
University of New Haven
West Haven, Connecticut
12.2023 - 11.2024
- Cleaned and standardized large-scale datasets (2007-2022) on international student enrollments, using Python and Excel, to support accurate analysis and model building.
- Built and validated ARIMA models to forecast international student trends (2023-2032), highlighting expertise in predictive modeling and quantitative analytics.
- Conducted exploratory data analysis (EDA) to identify trends, seasonality, and anomalies, generating actionable insights for academic planning.
- Translated analytical findings into interactive dashboards using Power BI, enhancing data visualization and decision-making through dynamic filters, time-series charts, and DAX measures.
- Collaborated with cross-functional teams to present key insights to stakeholders, refining data-driven strategies for future enrollment management.
- Documented the end-to-end data pipeline, detailing processes from data cleaning to model building, and visualization best practices.
Data Engineer
Tata Consultancy Services
Chennai, Tamil Nadu
06.2021 - 07.2023
- Designed, developed, and optimized ETL pipelines using Snowflake, SQL, and Python to process large-scale datasets, and ensure data quality for downstream analysis.
- Implemented robust data modeling strategies, including Snowflake schema design, to enhance query performance and storage efficiency.
- Developed and maintained Snowflake-based data warehouses that streamlined data access and supported analytical prototypes in collaboration with engineering teams.
- Automated data ingestion and transformation workflows with Snowflake Streams and Tasks, facilitating timely and accurate data processing.
Education
Master of Science - Data Science
University of New Haven
West Haven, CT05-2025
Bachelor of Science - Information Technology
P V P Siddhartha Institute of Technology
Vijayawada, Andhra Pradesh05-2021
Skills
- Programming languages: Python, R, Java, SQL, and PL/SQL
- Databases: MySQL, MS SQL, SQL Server, MongoDB
- Frameworks/Libraries: Matplotlib, SciPy, Scikit-Learn, and PyTorch
- Cloud Platform & Services: Snowflake
- Data visualization tools: Tableau, Power BI, Excel
- Project Management & Methodologies: Agile
- Version Control: Git, GitHub
- Additional Skills: NLP, Model Evaluation, Hyper-parameter Tuning, Data Cleaning
- Soft Skills: problem-solving, communication, team collaboration, analytical thinking, attention to detail
Timeline
Data Engineer
Data Acies Inc.
12.2024 - Current
Data Analyst
University of New Haven
12.2023 - 11.2024
Data Engineer
Tata Consultancy Services
06.2021 - 07.2023
Master of Science - Data Science
University of New Haven
Bachelor of Science - Information Technology
P V P Siddhartha Institute of Technology
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