Hampi Chadalavada
Lowell
Summary
Results-driven System Engineer at Infosys with expertise in Java development and data integration. Successfully built scalable applications and optimized analytics workflows using Snowflake architecture. Proven ability to collaborate effectively in Agile teams, enhancing code maintainability and reducing bug resolution time by 20%. Passionate about leveraging technology to drive impactful solutions. Systems Engineer focused on supporting large-scale software systems.
Overview
4
4
years of professional experience
1
1
Certification
Work History
System Engineer
Infosys
12.2025 - Current
- Developed and maintained Java-based backend applications for enterprise solutions
- Built REST APIs to support secure data exchange between applications and database systems
- Wrote SQL queries and applied data transformation logic to support reporting and analytics use cases
- Collaborated with data teams working in Snowflake environments for structured data storage and reporting
- Assisted in validating and preparing datasets used in Snowflake-based analytics workflows
- Gained working familiarity with Palantir Foundry concepts such as data pipelines, lineage, and governance through project collaboration and self-learning
Programmer Analyst Trainee
Cognizant
Hyderabad
04.2022 - 08.2022
- Completed full-stack training (HTML/CSS/JS, Java, Spring Boot); built small services and REST APIs.
- Practiced Agile rituals (sprint planning, reviews) and team code reviews with Git.
- Strengthened coding and problem-solving through structured exercises and projects.
- Explored multiple tech stacks, gaining exposure to both backend and frontend development environments.
- Developed and tested reusable Java components to improve code maintainability across multiple projects.
- Collaborated with peers to troubleshoot and resolve integration issues, reducing bug resolution time by 20%.
Education
M.S. - Computer Science
University of Massachusetts
Lowell, MASkills
- Data integration
- AWS services
- SQL and databases
- Data analysis
- Java development
- Agile methodologies
- Team collaboration
- ETL development
- Data pipeline design
- Snowflake architecture
- Palantir Foundry
Certification
AWS Certified Solutions Architect, Associate
Projects
Retail Sales Analytics with Databricks & Snowflake:
Built Spark pipelines in Databricks Notebooks; standardized CSV inputs, validated schema, and enforced DQ rules., Implemented Delta Lake (MERGE for upserts, schema evolution) for incremental loads., Published curated tables to Snowflake for Tableau; reduced dashboard refresh time by 40%., Documented workflow architecture for reproducibility and onboarding of new team members.
Healthcare Data Lakehouse on Databricks:
Designed ingestion → bronze/silver/gold using PySpark for CSV/JSON; added PII-safe column-level control., Used Z-ORDER and OPTIMIZE on Delta to improve scan efficiency; exposed Databricks SQL views for analysts., Leveraged Snowflake Time Travel to preserve historical states for auditing and rollback., Integrated data validation rules to ensure consistency across all processed datasets.
Financial Transactions ETL & Analytics:
Orchestrated multi-source ingestion in Databricks; deduped with window functions and key hashing., Landed aggregates in Snowflake marts for anomaly/fraud scoring; tuned warehouses and micro-partitions., Reduced processing time 25% via partitioning, caching, and predicate pushdown., Created reusable SQL scripts to streamline report generation and improve team productivity.
Timeline
System Engineer
Infosys
12.2025 - Current
Programmer Analyst Trainee
Cognizant
04.2022 - 08.2022
M.S. - Computer Science
University of Massachusetts