Data Engineer Senior
Resume:
Mounika Chintala
Senior Data Engineer
PROFESSIONAL SUMMARY
Ambitious Data Engineer with 10 years of expertise in Data Integration, Data Warehousing/Data Lake, and Data Migration. Proficient in designing and implementing scalable, secure data structures, optimizing performance and developing comprehensive data models. Exceptional at self-management, task prioritization and quickly adapting to new technologies. Confident working independently or collaboratively with excellent communication skills to drive user experience and customer satisfaction. WORK EXPERIENCE
Senior Data Engineer
Qurate Retail Group
Aug 2024 – Present Austin, TX
• Developed efficient ETL/ELT pipelines using DBT for data transformation, Snowflake as the data warehouse and Airflow for orchestration of workflows.
• Developed Airflow DAGs using Email Operator, Bash Operator and Spark Livy Operator to execute tasks on an EC2 instance and Utilized Python scripting in Airflow DAGs to perform data transformation and validation tasks
• Implemented CI/CD pipelines using Apache Airflow to deploy data processing workflows on AWS EMR through Jenkins.
Senior Data Engineer
ServiceNow
Sep 2018 – Mar 2024 Hyderabad
• Orchestrated seamless integration from O365 MS Exchange into Snowflake and HANA using MS Graph API and python reducing costs by bypassing third-party tools.
• Developed bi-directional data pipeline between Snowflake and BIGDATA, eliminating duplicate data sourcing efforts, leading to 25% increase in project efficiency.
• Developed ETL workflows in Matillion and SAP BODS to integrate data from multiple sources (AWS S3, Blob Storage, relational databases, APIs) into Snowflake by leveraging Snowflake's native features like clustering, partitioning, auto-scaling and query optimization.
Senior Software Engineer
HCL technologies Ltd.
Dec 2017 - Sep 2018 Bangalore
• Created Stored Procedures, Functions, Packages and Triggers using SQL and PL/SQL, enhancing database functionality and efficiency.
• Implemented indexes on tables to improve query performance by eliminating full table scans and simplifying complex queries with views.
• Fine-tuned procedures and SQL queries across multiple databases achieving 40% increase in execution speed using Explain Plan and Oracle Hints. Systems Engineer
Tata Consultancy Services Ltd.
Jun 2014 - Dec 2017 Bangalore
• Developed automated ETL framework engine using PL/SQL packages, procedures, and Scheduler objects significantly improving data processing efficiency by 50%.
• Created external tables to load data from flat files, CSV, and TXT files into Oracle databases, streamlining data ingestion processes.
• Designed and implemented Daily, Weekly, and Monthly loads using Incremental Load strategies SCD Type 1 and Type 2 ensuring data accuracy and timeliness. *******.**********@*****.***
Austin, TX
CERTIFICATION
• Matillion Associate Certification
• AZ-900 Microsoft Azure
Fundamental
• Snowpro Core Certification
SKILLS
• Programming: Python, Scala,
Shell Scripting, PL/SQL
• Big Data Technologies: Hadoop
(HDFS, Impala, Hive, Hue,
Zookeeper), Spark, PySpark
• ETL & Data Pipelines: Matillion,
SAP BODS, ODI, Airflow
(Orchestration), dbt
• Databases: Snowflake, Oracle,
SAP HANA, SQL
• Cloud Platforms: Azure (Data
Factory, Databricks, Blob
Storage, Data Lake, Storage
Explorer), AWS (Glue, S3, EMR,
EC2), GCP (BigQuery, Dataproc)
• CI/CD Tools: Jenkins, GitHub,
GitLab
• Data Warehousing, Data
Modelling
• Docker, Splunk
EDUCATION
Bachelor of Technology in Computer
Science and Engineering
Sree Vidyanikethan Engineering College
Oct 2010 – May 2014 Tirupati, A.P
AWARDS
• DT Quarterly Award (Q3, 2023):
For exceptional performance.
• Kudos for Going Above and
Beyond (Q2, 2023): For exceeding
expectations and commitment.
• Wow Our Customers Award (Q1,
2023): For delivering exceptional
customer service and satisfaction.
• D&A Award (2022): For significant
contributions to data and analytics
initiatives.
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