Anuvab Chhotray

Principal Engineer

Professional Summary

Dynamic Principal Engineer and NIT Rourkela alumnus with 10+ years of experience in architecting high-scale distributed systems. Expert in Java, MongoDB, and Redis, with a proven track record of reducing cloud costs, leading AI-driven automation, and solving complex bottlenecks for high-volume global clients.

Technical Skills

Languages

  • Java
  • Python
  • JavaScript/Node.js
  • Bash
  • Perl
  • PHP

Databases

  • Oracle
  • MongoDB
  • Postgres
  • Redis
  • Trino
  • Kafka

Infrastructure

  • Linux
  • AWS
  • Docker
  • CDNs

Specializations

  • Microservices
  • Distributed Systems
  • API Design
  • Generative AI

Professional Experience

Principal Engineer | Nielsen India Pvt. Ltd.
Jul 2025 – Present
  • Architected QaaS Upgrade: Leading the modernization of the Query-as-a-Service platform (Trino-based) to improve query performance across massive distributed datasets.
  • Cost Optimization: Designed an AI-powered dashboard using Claude Code on Amazon Bedrock that identifies inefficient queries, resulting in a 40% reduction in cloud compute costs.
  • Secure Data Collaboration: Integrated AWS Cleanrooms, enabling cross-team data lake collaboration while maintaining strict privacy and access controls.
Senior Backend Engineer | CleverTap India Pvt. Ltd.
Dec 2021 – Jul 2025
  • High-Scale Messaging: Developed a bespoke URL-shortening and tracking system for SMS/WhatsApp, significantly increasing campaign attribution accuracy.
  • Security & Stability: Engineered a multi-layered defense system using User-Agent analysis and profile-based rate-limiting to mitigate bot traffic and reduce edge microservice load.
  • Performance Engineering: Optimized the notification dispatcher via parallelism and sharding, significantly increasing throughput during peak traffic bursts.
Senior Member, Technical Staff | Oracle India Private Ltd.
Jan 2019 – Dec 2021
  • Distributed Systems: Implemented a master-worker architecture for a service-request estimation plugin, handling complex file processing logic and NFS integration.
  • Legacy Modernization: Led the migration of core plugins to modern JDK versions, leveraging the updated Collections framework to enhance system performance.
  • Full-Stack Maintenance: Resolved critical bottlenecks in the Trace File Analyzer (TFA) tool across both Java backends and JavaScript frontends.
  • Award: New Joiner Recognition Award.
Senior Software Engineer | Envestnet Yodlee
Jul 2015 – Jan 2019
  • Open Banking: Spearheaded the integration of the EU OpenBanking API, ensuring compliance with regional financial regulations.
  • Large-Scale Migration: Orchestrated the migration of 300M+ database records (80GB+) between hardware and software-encrypted instances with zero data loss.
  • System Hardening: Integrated Google reCAPTCHA and custom rate-limiting APIs into the FastLink application to prevent credential stuffing and spam.
  • Award: Employee of the Quarter; 2nd Place in GarageFest (Annual Hackathon).

Interests & Homelab

cat ./interests.txt

- Architecting a multi-node high-availability home lab environment.

- Experienced in deploying Docker-based services and managing virtualized resources in Proxmox to support an integrated Home Assistant automation platform.

- Hosting RIPE Atlas probes at multiple geo-locations to help measure internet connectivity.

Education

B.Tech in Computer Science National Institute of Technology, Rourkela
CGPA: 8.22 (2015)

Class XII (+2) BJB Junior College
88.67% (19th State Rank)