Ishika Aggarwal
SDE @Amazon
- Role
- Software Development Engineer at Amazon
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About Ishika Aggarwal
Results-driven Software Development Engineer with 4+ years of experience in building…
Experience
Software Development Engineer
Dec 2023 — Present · IN
Led code reviews and Established comprehensive unit testing framework using JUnit and Mockito, achieving 95% code coverage and reducing production incidents by 40%.• Backfilled 5.4M Vendor Contracts from RDS to 32 Andes tables by exporting terms data to S3 via DJS and ingesting into Andes using Cradle jobs across NA, EU and FE.• Led Customer Returns Creation and Execution services reliability as IMR champion, managing team budgets, improving credit scores, and ensuring seamless execution during peak events such as Prime Day, Black Friday, and Cyber Monday, supporting 200+ clients. • Optimized Tier -1 services handling over 21M TPM, performed JVM tuning to save $1M annually, improved team credit score (60 → 90), and reduced API latencies by 30%. • Resolved Lambda timeout issues for customers with over returns by implementing S3-based file storage and optimizing performance with multi-threading. • Resolved regional error spikes (30% JP, 40% EU) by identifying 125K+ refund messages stuck in AWS SQS DLQs; implemented a Typer CLI script to filter and clean messages by process name, improving backend reliability.
Education
Maharaja Surajmal Institute Of Technology
Bachelor of Technology - BTech, Computer Science
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