ANURAG PATTNAIK
Bhubaneswar
Summary
Seasoned Senior Data and AI Engineer with a strong track record in developing scalable data pipelines, ETL workflows, and innovative data lakehouse architectures. Expertise in designing and optimizing complex data models, managing extensive databases, and seamlessly integrating AI/ML workflows into enterprise data platforms. Proven ability to lead teams and orchestrate robust data solutions on cloud platforms while driving innovation through advanced big data frameworks and Spark-based processing. Committed to leveraging cutting-edge technologies to enhance data-driven decision-making and operational efficiency.
Overview
11
11
years of professional experience
Work History
Senior Data Engineer
Cognizant Technology Solutions
Bhubaneswar
04.2025 - Current
- Designed, built, and automated scalable ETL pipelines and orchestration workflows in cloud-based data platforms like Databricks and Snowflake using PySpark, transforming high-volume raw data (TB-scale) into analytics-ready datasets.
- Designed and built Delta Lake architecture implementing Bronze-Silver-Gold layers with optimized Spark transformations, achieving 98% data quality accuracy.
- Developed CDC, incremental pipelines, and SCD implementations for modern data warehouse architectures.
- Improved data processing performance by 50% through Spark optimization, reduced pipeline failures by 80% via robust error handling and monitoring, and enforced enterprise-grade governance and security using Unity Catalog, enabling trusted data access for BI reporting and AI/ML use cases.
Software Engineer- AI/ML
Quocent Technologies Private Ltd
Bhubaneswar
11.2021 - 06.2023
- Designed, developed and maintained scalable and robust applications and backend systems In Python, ensuring efficient performance. Additionally, worked with Flask framework to develop APIs, integrate front-end elements with server-side logic, and handle database management.
- Engineered , developed, trained and implemented neural network machine learning models for various AI-powered applications, including Supervised - Regression and Classification-based uses cases and Gen AI applications , achieving 98% accuracy, using suitable algorithms based on data and business requirements in Python and deploy the ML models in production environment using AWS and Azure MLOps.
- Designed and implemented responsive, pixel-perfect and interactive User Interfaces for cross-platform applications - mobile, web & desktop , using Flutter- The UI framework of Dart, leading to production-ready releases and seamless app deployments
Software Development Engineer- Data Engineering
Evaya Data Systems (A Former Subsidiary of Maastrix Solutions Private Ltd)
Bhubaneswar (Remote)
12.2018 - 01.2021
- Designed and build normalized ER Data models, database schemas, tables and data warehouse architectures and process optimized queries on data in MySQL.
- Engineered , automated and scheduled ETL data pipelines in Python using Apache Airflow- The ETL framework of Python., that extract raw data from various external sources such as databases, AWS , data lakes, IOT devices, APIs, logs, CSV or excel files, validate and transform data based on business requirements which involves cleaning, filtering, aggregating, joining, or enriching data sets using tools like Pandas and Apache Spark or custom Python and Shell scripts and finally load the processed data in structured and curated format into target data warehouses or data marts ,
- Generated Facts & Dimensions tables, KPI metrics, aggregated datasets, dashboards, reports, and visualizations from the loaded data within the data warehouse, that f support business analytics, forecasting, and data-driven decision-making.
Project Engineer
Wipro
09.2015 - 11.2016
- Installed and configured Linux operating systems on servers and workstations. Created and managed user accounts and groups and implement user access controls and permissions. Configured and managed network interfaces, troubleshoot network connectivity issues and implement and manage firewall rules.
- Designed and implemented database, which includes setting up database servers, configuring database management systems, creating database instances, and ensuring proper data migration from existing systems, if applicable.
Education
5 Years Integrated MCA - Computer Application
Utkal University
Bhubaneswar, Odisha, IND06-2015
12TH - Science-PCM
Mothers Public School
Bhubaneswar, Odisha, IND06-2010
10TH -
DAV Public School Chandrasekharpur
Bhubaneswar, Odisha, IND04-2008
Skills
- Technical Skills: Python, PySpark, Spark SQL, Flask, Linux, MySQL, MongoDB, NumPy, Pandas, SpaCy, TensorFlow, PyTorch, Scikit-Learn , Matplotlib, Streamlit, AWS, Azure DevOps, Docker, Git, Databricks, Snowflake, Apache Airflow, RAG, LangChain, LLM
- Domain Expertise: Data Engineering, Data Analytics, ETL, Data Warehousing, Microservices, REST API, Web Scrapping, RDBMS, Data Integration and Ingestion, Artificial Intelligence and Machine Learning, Change Data Capture (CDC), Medallion Architecture, Generative AI, Prompt Engineering, NLP, Cloud Computing, Big Data, Object-Oriented Programming (OOP)
- Software Tools & IDE: VS Code, PyCharm, NetBeans, Jupyter Notebook, Postman, MySQL Workbench, Visual Paradigm, GitHub , MS-Office
- Soft Skills: Team management and collaboration, Project Management, Leadership, Dedicated and Flexible, Thinking outside the box, Logical thinking and problem solving, Ability and desire to learn, Meeting deadlines
Timeline
Senior Data Engineer
Cognizant Technology Solutions
04.2025 - Current
Software Engineer- AI/ML
Quocent Technologies Private Ltd
11.2021 - 06.2023
Software Development Engineer- Data Engineering
Evaya Data Systems (A Former Subsidiary of Maastrix Solutions Private Ltd)
12.2018 - 01.2021
Project Engineer
Wipro
09.2015 - 11.2016
5 Years Integrated MCA - Computer Application
Utkal University
12TH - Science-PCM
Mothers Public School
10TH -
DAV Public School Chandrasekharpur