Aashish Raika
Summary
Data Engineer with experience in building and optimizing ETL pipelines, handling data anomalies, and ensuring data reliability across subscription and revenue systems. Skilled in Apache Spark, SQL, and Java, with proven expertise in performance optimization, API integration, and large-scale data migrations. Strong track record in accurate financial reporting (MRR/CMRR, tax compliance), resolving production issues, and improving system scalability.
Overview
3
3
years of professional experience
Work History
Data Engineer
Chargebee Technologies Private Limited
08.2022 - Current
- Built new ETL pipelines and APIs to expose multiple metrics from RevenueStory (RS).
- Collaborated on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
- Documented and communicated database schemas using accepted notations.
- Implemented IDGen caching and optimized DB calls, reducing ETL runtime by ~30–40%.
- Optimized loader jobs for enterprise domains to reduce failures and processing time.
- Achieved zero long-standing sync failures; resolved critical ETL issues within the same day.
- Handled CB<>RS data anomalies (e.g., hard deletes) with graceful ETL handling to improve reliability.
- Supported multiple customer and internal data migrations for new features and reports.
Education
B.Tech + M.Tech (Dual Degree) -
Indian Institute of Technology (IIT BHU), Varanasi
06-2022
Skills
- ETL Development & Optimization: Spark, SQL, Performance Tuning
- API Development & Data Integration: Extractor/Loader Frameworks
- Programming: Python, SQL, Java
- Domain Expertise: Subscription analytics, RevenueStory (MRR/CMRR), Tax & Compliance Reporting
- Collaboration & Documentation: Cross-functional teamwork, Agile/Scrum, Knowledge sharing
Languages
English
Advanced (C1)
Hindi
Advanced (C1)
Timeline
Data Engineer
Chargebee Technologies Private Limited
08.2022 - Current
B.Tech + M.Tech (Dual Degree) -
Indian Institute of Technology (IIT BHU), Varanasi
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