Summary
Overview
Work History
Education
Skills
Timeline
Generic

KARTHIKEYAN Balakrishnan

Lake Mary,FL

Summary

Accomplished solution architect skilled in AWS cloud services, data warehousing, and analytics with a demonstrated history in healthcare, banking, and payments. Adept in full-stack development, data governance, and project execution with proficiency in Python, Apache Spark, and ETL processes. Strategically collaborates with stakeholders to innovate and enhance data solution frameworks.

Overview

8
8
years of professional experience

Work History

Architect

Altimetrik Corp
05.2023 - Current
  • ELT (Extract, Load and Transform) using big data stack. Every one from top down is hands-on.
  • Work with internal business groups on implementation opportunities, challenges, and gathers requirements of various applications.
  • Analyze requirements and provide recommendations to address and resolve business issues for a specific business group.
  • Provide application software development services or technical support for backed features and components.
  • Scaling the backend architecture and codebase to support growth and improvise application efficiencies.
  • Convert requirements into robust and performance agnostic design and implement by developing optimized and resource efficient ELT pipelines with code readability and reviewing skills.
  • Expertise in Cloudera Data Platform 7.x, Apache Spark 3.x, Apache Airflow, Hive, Impala, SQOOP, Informatica, Python.
  • Implementing CI/CD with latest DevOps technologies and best practices.
  • Worked on data loading on Snowflake using Apache Spark.
  • Experience in trouble shooting and performance optimizations in Airflow, Cloudera Hadoop Distribution components.

Architect

Altimetrik India Pvt Ltd
06.2017 - 04.2023
  • Architect and implement analytics platforms, ensuring alignment with business needs and technical specifications.
  • Design and develop logical and physical infrastructures, incorporating AWS services and data modeling techniques.
  • Coordinate with stakeholders for architectural decisions, data governance, and service selection.
  • Provide technical support and troubleshooting for application issues, with a focus on optimizing user experience.
  • Spearhead migration strategies, including data onboarding and integration across different platforms.
  • Execute graph-based data analytics, ingestion, and extraction to enable advanced decision-making capabilities.
  • Develop and maintain CI/CD pipelines, automating data transfer and deployment processes.
  • Construct analytical tools and dashboards to facilitate data analysis and visualization for various business use cases.
  • Administer cloud-based environments, including EC2 instance management, data migrations, and server monitoring.

Associate

Cognizant Technology Solutions, CTS
09.2016 - 06.2017
  • Developed different layer for the hive table data and storing the data as Parquet file.
  • Implemented business logic through Apache spark sql on trillions of records in hive table.
  • Involved in converting Hive queries into Spark transformations using Spark RDDs, Scala.
  • Optimizing of existing algorithms in Hadoop using Spark Context, Spark-SQL, DataFrames.
  • Developed a Python Program to convert CSV file to XML file.
  • Hands on experience in implementing Partitions, bucketing on Hive tables and designed both Managed
    and External tables in Hive to optimize performance.
  • Worked on Data Validation between GMR data with external data such as Duns and Bradstreet, Acquirer
    merchant master file and Group on data.
  • Implementing Hive queries to pull data from transaction tables based on Ad hoc request.
  • Performed similarity analysis on matching similar merchant address using the combination of levenshtein,
    jaro winkler and N gram Similarity technique.

Senior Software Engineer

Alchemy Techsol India Pvt Ltd(Contract: Cognizant Technology Solutions)
10.2015 - 09.2016
  • Developed different layer for the hive table data and storing the data as Parquet file.
  • Implemented business logic through Apache spark sql on trillions of records in hive table.
  • Involved in converting Hive queries into Spark transformations using Spark RDDs, Scala.
  • Optimizing of existing algorithms in Hadoop using Spark Context, Spark-SQL, .
  • Developed a Python Program to convert CSV file to XML file.
  • Hands on experience in implementing Partitions, bucketing on Hive tables and designed both Managed and External tables in Hive to optimize performance.
  • Worked on Data Validation between GMR data with external data such as Duns and Bradstreet, Acquirer merchant master file and Group on data.
  • Implementing Hive queries to pull data from transaction tables based on Ad hoc request.
  • Performed similarity analysis on matching similar merchant address using the combination of , jaro winkler and N gram Similarity technique.

Education

Bachelor of Engineering - Electronics And Communication Engineering

B.S.Abdur Rahman Cresent Engineering College
Chennai, India
05-2012

Skills

  • Python, C Programming, SQL, PL/SQL, Unix Shell
  • Apache Spark, Hive, Pig, Sqoop, Flume, Oozie
  • Databricks, DataIku, Informatica, DBT
  • Oracle 10g/11g, Snowflake, Oracle, Anzo Graph DB
  • Splunk, Qlik Sense
  • Amazon Web Services(Amazon EC2, Amazon S3, Amazon RDS,VPC, IAM, Amazon Elastic Load Balancing,
    Auto Scaling, Sage Maker, CloudWatch, SNS, SES, SQS)

Timeline

Architect

Altimetrik Corp
05.2023 - Current

Architect

Altimetrik India Pvt Ltd
06.2017 - 04.2023

Associate

Cognizant Technology Solutions, CTS
09.2016 - 06.2017

Senior Software Engineer

Alchemy Techsol India Pvt Ltd(Contract: Cognizant Technology Solutions)
10.2015 - 09.2016

Bachelor of Engineering - Electronics And Communication Engineering

B.S.Abdur Rahman Cresent Engineering College

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