Panchami Baleri
San Jose
Summary
Analytical professional with a strong foundation in data analysis and programming, skilled in translating complex datasets into actionable insights. Collaborates effectively with cross-functional teams to identify and resolve ICT problems, driving objectives forward. Committed to leveraging technological advancements to enhance user and business outcomes in dynamic environments.
Overview
4
4
Languages
7
7
years of professional experience
Work History
Data Engineer (Volunteer)
Squark
08.2025 - Current
- Automated data delivery using S3, Glue, and Redshift workflows, ensuring timely training readiness.
- Unified over 5 ingestion sources into a single AWS pipeline for streamlined delivery to ML models.
- Eliminated manual CSV export steps, recovering 6 hours weekly for more strategic tasks.
Technology Analyst
Infosys
10.2022 - 05.2023
- Integrated Glue and Redshift to reduce access time by 68%.
- Restructured S3 storage using partitioning, compression, and lifecycle management to achieve 60% cost reduction.
- Developed ETL pipelines to standardise data from application management sources for AWS warehouse.
Senior Systems Engineer
Infosys
08.2019 - 09.2022
- Designed, developed, and implemented complex systems meeting client specifications.
- Migrated ETL processes from pandas to Spark, implementing timestamp watermarking for improved partition management.
- Managed integrations for new technologies to improve system capabilities and user experience.
- Designed star schema to enhance data organisation for onboarding and ingestion metrics.
- Built ETL pre-check script to ensure data integrity by validating column names, types, and values.
- Performed root cause analysis and defined corrective actions to reduce risk.
Education
Master of Science - Information Systems
Northeastern University
Boston, Massachusetts,05-2025
Bachelor of Engineering - Computer Science
University of Mumbai
Mumbai, MH05-2019
Skills
- AWS services
- Data pipelines
- Data Warehousing
- Data modelling
- Problem solving
- Cross-functional teamwork
- Apache Spark
- PySpark
- Batch processing
- Spark Structured Streaming
- Kafka
- Delta Lake
- Apache Airflow
- SQL
- Python
- Data Lakes
- PostgreSQL
- Redshift
- Docker
- CI/CD
- Git
- Schema Enforcement
- SLA Monitoring
- CloudWatch
- Elasticsearch
- Matplotlib
- Incremental Processing
- Attention to Detail
Custom
- CryptoStream, Kafka, Spark Structured Streaming, Delta Lake, Elasticsearch, Docker, github, 2026-02-01, 2026-03-01, Built a real-time crypto analytics platform ingesting Coinbase tick data via Kafka, processing with Spark Structured Streaming using watermarked windows (1m/5m/15m), and writing OHLC aggregates to Elasticsearch and Delta Lake on S3, Integrated Delta Lake on S3 to guarantee ACID-compliant streaming writes and enable partition-level backfill allowing targeted reprocessing of specific date partitions without full table rewrites
- DocSearch-RAG, Python, LangChain, LlamaIndex, Chroma Vector DB, RAG, github, 2024-05-01, 2024-07-01, Built a RAG-powered documentation assistant using LlamaIndex, ChromaDB, and HuggingFace embeddings with a ReAct agent that answers questions strictly from indexed Spark, dbt, and Airflow documentation, rejecting out-of-scope queries, Implemented semantic document chunking with persistent per-user chat memory and a web crawler to ingest documentation from URLs, reducing manual lookup time
Languages
Marathi
Upper Intermediate
B2
English
Advanced
C1
Hindi
Upper Intermediate
B2
Kokani
Upper Intermediate
B2
Interests
- Music
- Travel
- Reading
- Coding
Timeline
Data Engineer (Volunteer)
Squark
08.2025 - Current
Technology Analyst
Infosys
10.2022 - 05.2023
Senior Systems Engineer
Infosys
08.2019 - 09.2022
Master of Science - Information Systems
Northeastern University
Bachelor of Engineering - Computer Science
University of Mumbai