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@piyushpandey1
I am a senior backend engineer optimizing databases and systems for high-scale production.
I am a Senior Backend Engineer at CleverTap who has owned and driven R&D for TesseractDB, CleverTap’s in-house database. I focus on building reliable, high-performance systems that meet evolving business needs.
I redesigned the query language to support nested logical operators, implemented identity management used across 200 million active users, and delivered large optimizations — compressing Targeting Events to free 60TB of S3, cutting memory usage for some accounts by 80%, and reducing boot-up times by up to 91% for large accounts. I also built a Query Monitoring Dashboard that became the primary tool for on-call support and debugging.
I handle on-call duties, production debugging, deployments, PR reviews, interviewing, and mentoring interns, and I was recognized with a Spotlight Award for exceptional incident handling. I work across Java, Python, databases and cloud infrastructure, and I bring a pragmatic, results-oriented approach to backend and systems engineering.
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Work history, roles, and key accomplishments
Owned TesseractDB and led R&D to optimize performance and resource usage, driving disk and memory optimizations that reduced S3 usage by 60TB and cut memory usage for some accounts by 80%. Implemented identity management used by 200M users, built a query monitoring dashboard, and reduced download and boot-up times by 50% and 91% respectively.
US Tech Solutions (SimplifyVMS)
May 2021 - Dec 2021 (7 months)
Developed a Django-based Feedback Management Application integrating database, queue, and an ML model to auto-generate sentiment tags and enable search by sentiment. Handled bugs and feature changes in the SimplifyVMS Jobs component to improve product stability.
Degrees, certifications, and relevant coursework
Bachelor of Technology, Computer Science
2018 - 2022
Grade: 8.5 GPA
Bachelor of Technology in Computer Science with a GPA of 8.5 completed July 2018 to June 2022.
Intermediate, Physics, Chemistry and Mathematics
Grade: 93%
Completed Intermediate (CBSE) with 93% in PCM in June 2018.
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