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Ashok G

Lead Data Engineer | Cloud Solutions Architect | Full-Stack Developer

Dynamic and result-oriented Lead Data Engineer and Software Architect with over 15 years of experience in data engineering, cloud architecture, and solution design. Proven expertise in building modern data lakes, complex data modeling, and robust data extraction pipelines using AWS and modern cloud ecosystems. Adept at leading technical teams, driving legacy system modernization, and optimizing distributed data architectures. Committed to delivering innovative, data-driven solutions that align with business goals. Seeking to apply my technical leadership and data engineering expertise in an advanced Architect role to drive transformative growth.

+91 9632810890
ashok@inbox.com
Coimbatore, Tamil Nadu, India
linkedin.com/in/ashokji/

Work Experience

Lead Software / Data Engineer

Apr 2019 - Present
Clarivate
  • Technical Leadership & Data Strategy: Provided strong technical leadership and mentorship to data engineering teams, driving enterprise-grade data management, schema standardization, and high-performance ingestion workflows.
  • Advanced Data Modeling: Spearheaded complex dimensional and relational data modeling initiatives, designing optimized schemas for scalable data warehouses, analytical data marts, and high-throughput query processing.
  • Delta Lakes & Cloud Storage Architecture: Designed, implemented, and managed high-performance Delta Lakes and modern data lakehouse architectures on AWS (leveraging S3, Glue, and Lake Formation), ensuring ACID compliance, time-travel capabilities, and optimized storage patterns.
  • Robust Data Extraction Pipelines: Architected and optimized end-to-end data extraction, transformation, and loading (ETL/ELT) workflows, implementing incremental data extraction strategies from disparate legacy sources and high-volume databases.
  • Backend API Development & Code Review: Developed robust backend microservices using Java SpringBoot and Python to feed and consume lakehouse data assets, conducting rigorous code reviews to maintain optimal performance.
  • Legacy System Migration & Data Integrity: Led the migration of 10-15-year-old legacy data stores to modern cloud data infrastructure, achieving 100% data accuracy, enhanced schema design, and reduced processing latency.
  • Cloud Infrastructure & Pipeline Optimization: Managed AWS infrastructure (ECS, RDS, Glue), tuning partition strategies, compaction jobs, and query performance to handle massive enterprise data volumes efficiently.
  • Cross-Functional Collaboration: Collaborated closely with product managers, data scientists, and UX teams to align data pipeline schemas and structures with downstream analytics and reporting needs.
  • Security & Compliance: Implemented rigorous data governance, fine-grained access controls, and security protocols to safeguard sensitive data assets and adhere to regulatory standards.
  • Proactive Monitoring & Incident Management: Established automated pipeline health monitoring and alerting frameworks to rapidly catch data drift, schema mismatches, and ingestion failures.

Sr. Software / Data Engineer

Jun 2016 - Mar 2019
DRG - Decision Resources Group (Clarivate)
  • Data Platform Development: Spearheaded the development and data-driven enhancements of enterprise web applications and custom data collection platforms.
  • Custom Search & Indexing Platform: Designed and implemented a Solr-based search and indexing platform to streamline fast retrieval over massive datasets.
  • Full-Stack Data Integration: Developed end-to-end data workflows bridging backend data ingestion services with modern frontend components.
  • Data Security & Performance: Implemented data encryption and security best practices while tuning query execution plans and code pathways for high-speed performance.
  • Architecture Documentation: Created comprehensive technical specifications, data dictionaries, and data flow architecture documentation.

Wordpress Specialist

Apr 2015 - May 2016
TOBOC
  • Built custom WordPress plugins, maintained open-source PHP/MySQL projects, managed content databases, and ensured high-integrity data storage and backup practices.

Senior Project Specialist

Jul 2014 - Apr 2015
Payoda Technologies
  • Led a UI development team of 15 junior developers, establishing front-end standards and data integration patterns.

Sr. Programmer

Jul 2010 - Jun 2014
ELGI EQUIPMENTS LIMITED
  • Developed custom software applications and automated departmental data processing workflows to improve business efficiency.

Previous Web Development Roles

  • Web Developer: SUDHARSANITECH (NOW AIRPUSH INDIA PVT. LTD.) (Mar 2010 - Jun 2010)
  • Web Programmer: ECSTASOFT SOLUTIONS (Sep 2009 - Feb 2010)
  • Junior Web Developer - Web Developer: DESIGNOSOFT (Jul 2008 - Aug 2009)

Technical Skills

Data Modeling Delta Lakes Data Extraction (ETL/ELT) AWS (S3, Glue, Lake Formation) Python Java SpringBoot PostgreSQL MySQL Apache Solr PHP JavaScript Solution Architecture Data Governance

Key Competencies

  • Over 15+ years of software & data engineering excellence.
  • Expertise in Delta Lakes and cloud data lakehouse design.
  • Advanced dimensional and relational data modeling.
  • Scalable data extraction pipeline design and legacy modernization.
  • Technical Leadership, Team Mentorship & Cross-Functional Data Governance.

Education

MCA (Masters In Computer Applications)
Jul 2005 - Mar 2008
Government Arts College, Bharathiyar University, Coimbatore, India
B.Sc - Mathematics
Jul 2002 - Mar 2005
Government Arts College, Bharathiyar University, Coimbatore, India

Certifications & Achievements

Certifications

Data Engineering Foundations Professional Certificate (Astronomer)

Achievements

NCC Air Wing C-Certificate Holder: Demonstrated strong leadership, discipline, and commitment within a structured environment.

Soft Skills & Hobbies

Soft Skills:
Leadership Mentoring Communication Problem-solving
Hobbies:

Tech Learning, Problem Solving, Active Games, Photography

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