Sandra Sukumaran

Sandra Sukumaran

Data Engineer
United Arab Emirates

About Me

Results-oriented Data Engineer with 3+ years of experience designing and optimizing scalable ETL pipelines and big data solutions using AWS and PySpark. Skilled in building data lakes, processing large-scale datasets, an…

Experience

Data Engineer

Feathersoft Info Solutions Pvt Limited - Kerala, India
Jun 2022 - Mar 2026 · 3 years 9 months

Designed and built ETL pipelines processing 5M+ records daily, ensuring high data accuracy and availability.
Developed scalable Python-based data pipelines and REST API ingestion systems processing 100K+ records/hour for batch and real-time workflows.
Validated and tested Delta Lake tables in Databricks for batch and incremental ETL pipelines, ensuring 99% data accuracy.
Optimized Apache Spark jobs, reducing execution time by 25–30% and improving resource utilization.
Optimized ETL workflows and SQL queries, reducing data processing time by 30%.
Automated workflows using Python and AWS Step Functions, reducing manual effort by 40%.
Collaborated with cross-functional teams, improving system performance and reducing downtime by 20%.
Improved database performance by optimizing queries and indexing strategies, reducing execution time by 30%.

Data Engineer

Feathersoft Info Solutions Pvt Limited - Kerala, India
Jun 2022 - Mar 2026 · 3 years 8 months

Designed and built ETL pipelines processing 5M+ records daily, ensuring high data accuracy and availability., Developed scalable Python-based data pipelines and REST API ingestion systems processing 100K+ records/hour for batch and real-time workflows., Validated and tested Delta Lake tables in Databricks for batch and incremental ETL pipelines, ensuring 99% data accuracy., Optimized Apache Spark jobs, reducing execution time by 25–30% and improving resource utilization., Optimized ETL workflows and SQL queries, reducing data processing time by 30%., Automated workflows using Python and AWS Step Functions, reducing manual effort by 40%., Collaborated with cross-functional teams, improving system performance and reducing downtime by 20%., Improved database performance by optimizing queries and indexing strategies, reducing execution time by 30%.

Data Engineer Intern

Feathersoft Info Solutions Pvt Limited - Kerala, India
Feb 2022 - Jun 2022 · 4 months

Processed and validated 50K+ records daily using Python and PySpark, improving data quality by 20%.
Developed automation scripts for ETL workflows, improving pipeline efficiency by 20%.
Led testing, debugging, and deployment, reducing data pipeline errors by 20%.

Data Engineer Intern

Feathersoft Info Solutions Pvt Limited - Kerala, India
Feb 2022 - Jun 2022 · 4 months

Processed and validated 50K+ records daily using Python and PySpark, improving data quality by 20%., Developed automation scripts for ETL workflows, improving pipeline efficiency by 20%., Led testing, debugging, and deployment, reducing data pipeline errors by 20%.

Skills

Linux MySQL PostgreSQL Python Data Governance PySpark CI/CD Performance Tuning SQL Pandas REST API Development Automation Scripting AWS (S3 Glue Lambda) Microsoft Azure (Azure Data Factory Azure Data Lake Azure Synapse Analytics) Apache Spark Hadoop (HDFS Hive) Databricks Delta Lake Data Lakes Pipeline Design Data Ingestion Transformation Validation Data Quality Management AWS RDS Apache Kafka Git Agile / Sprint-based Delivery Star Schema Data Warehousing Data Lineage Data Security Spark Tuning Query Optimization Indexing Strategies AWS S3 Glue Lambda Microsoft Azure Azure Data Factory Azure Data Lake Azure Synapse Analytics Hadoop HDFS Hive ETL ELT Agile AWS Step Functions
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