Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Karthikeyan Subbarayan

Byron Center,MI

Summary

Experienced Data Engineer with a strong foundation in data architecture and pipeline development. Skilled at optimizing data processes and improving data integrity through creative solutions. Proficient in SQL and Python, utilizing these tools to collaborate with diverse teams and facilitate data-informed decision-making.

Overview

19
19
years of professional experience
1
1
Certification

Work History

Data Engineer

Meijer Great Lakes Inc.
01.2020 - Current
  • Collaborated on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
  • .Fine-tuned query performance and optimized database structures for faster, more accurate data retrieval and reporting.
  • Enhanced data quality by performing thorough cleaning, validation, and transformation tasks.
  • Streamlined complex workflows by breaking them down into manageable components for easier implementation and maintenance.
  • Optimized data processing by implementing efficient ETL pipelines and streamlining database design.
  • Migrated legacy systems to modern big-data technologies, improving performance and scalability while minimizing business disruption.
  • Designed scalable and maintainable data models to support business intelligence initiatives and reporting needs.
  • Evaluated various tools, technologies, and best practices for potential adoption in the company''s data engineering processes.
  • Collaborated with cross-functional teams for seamless integration of data sources into the company''s data ecosystem.
  • Automated routine tasks using Python scripts, increasing team productivity and reducing manual errors.
  • Developed database architectural strategies at modeling, design, and implementation stages to address business or industry requirements.
  • Led end-to-end implementation of multiple high-impact projects from requirements gathering through deployment and post-launch support stages.
  • Increased efficiency of data-driven decision making by creating user-friendly dashboards that enable quick access to key metrics.
  • Provided technical guidance and mentorship to junior team members, fostering a collaborative learning environment within the organization.

Consultant

HTC Global Services
08.2015 - 12.2019
  • Evaluated client needs and expectations, establishing clear goals for each consulting engagement.
  • Liaised with customers, management, and sales team to better understand customer needs and recommend appropriate solutions.
  • Collaborated with cross-functional teams to successfully deliver comprehensive solutions for clients.
  • Managed client relationships through regular check-ins and updates on project progress.
  • Collaborated with cross-functional teams to define requirements and develop end-to-end solutions for complex data engineering projects.
  • Evaluated emerging technologies and tools to identify opportunities for enhancing existing systems or creating new ones.
  • Reengineered existing ETL workflows to improve performance by identifying bottlenecks and optimizing code accordingly.
  • Leveraged advanced analytics tools to create interactive dashboards that provided actionable insights into key business metrics.
  • Simplified database management tasks, leveraging managed services such as RDS or DynamoDB in the cloud environment.
  • Developed custom ETL processes for efficient data ingestion and transformation.
  • Minimized downtime with proactive monitoring and troubleshooting of complex data pipelines.
  • Streamlined data storage and retrieval with the design of efficient data models.
  • Optimized data pipelines by implementing advanced ETL processes and streamlining data flow.
  • Established standard procedures for version control, code review, deployment, and documentation to ensure consistency across the team''s work products.
  • Participated in strategic planning sessions with stakeholders to assess business needs related to data engineering initiatives.
  • Delivered consistent project success by aligning closely with stakeholders to align solutions with business objectives and priorities.

Consultant

Wipro Technologies
05.2010 - 07.2015
  • Enhanced communication among team members to foster collaborative and supportive work environment.
  • Assisted clients in navigating complex industry challenges with strategic recommendations.
  • Identified areas of improvement for clients'' operations, implementing targeted solutions to increase productivity.
  • Developed innovative strategies for clients, resulting in increased revenue and business growth.
  • Improved software efficiency by troubleshooting and resolving coding issues.
  • Saved time and resources by identifying and fixing bugs before product deployment.
  • Reduced processing time for ETL tasks through the implementation of parallel execution strategies.
  • Enhanced ETL processes by optimizing complex SQL queries and streamlining data extraction procedures.
  • Collaborated with business intelligence staff at customer facilities to produce customized ETL solutions for specific goals.
  • Resolved production issues quickly and efficiently, minimizing downtime and maintaining high levels of user satisfaction.

Software Developer

HTC Global Services (India) Private
12.2006 - 05.2010
  • Collaborated with cross-functional teams to deliver high-quality products on tight deadlines.
  • Enhanced user experience through designing and implementing user-friendly interfaces.
  • Updated old code bases to modern development standards, improving functionality.
  • Optimized application performance by conducting regular code reviews and refactoring when necessary.
  • Participated in software field testing to verify performance of developed projects.
  • Developed customized software solutions for diverse clients, resulting in increased satisfaction and repeat business.
  • Contributed to a positive team environment through effective communication, problem-solving, and collaboration skills.
  • .Streamlined workflows by creating reusable code libraries for common functions and features across multiple projects.
  • Translated customer requirements into written use cases.

Education

Bachelor of Science - Engineering

Annamalai University
Chidambaram, Tamilnadu, India
05-2006

Skills

  • Data integration development
  • Data warehousing
  • Data analysis and modeling
  • Data pipeline architecture
  • Data governance
  • Data metadata management
  • SQL query optimization
  • SQL development
  • Database architecture
  • CloudFormation template design
  • Proficient in data modeling
  • Skilled in Python coding
  • Automated infrastructure management
  • Data lake governance
  • Continuous integration and deployment
  • Data management
  • Machine learning integration
  • Database querying
  • Data warehousing expertise
  • Data pipeline design
  • Proficient in Amazon S3
  • Power BI analytics expertise
  • Business continuity management
  • Automated integration processes
  • Proficient in Azure DevOps
  • Agile methodology expertise
  • Experience with Linux platforms
  • Proficient in multiple database technologies

Certification

Teradata Vantage 2.4 Associate Certified

Timeline

Data Engineer

Meijer Great Lakes Inc.
01.2020 - Current

Consultant

HTC Global Services
08.2015 - 12.2019

Consultant

Wipro Technologies
05.2010 - 07.2015

Software Developer

HTC Global Services (India) Private
12.2006 - 05.2010

Bachelor of Science - Engineering

Annamalai University

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Karthikeyan Subbarayan