Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
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Subash

Chennai

Summary

Product Developer with 1.5+ years of experience and a strong academic background (BE CSE, CGPA 9.25). Proven expertise in building scalable data-driven features, optimizing system performance, and delivering impactful product enhancements. Led the migration from Elasticsearch to OpenSearch with zero downtime and improved query performance by 40%. Skilled in full-stack development, data analytics, and creating advanced visualization widgets for survey platforms.

Overview

2
2
years of professional experience

Work History

Associate Product Developer

SurveySparrow
04.2024 - Current
  • Led the migration from Elasticsearch 6.7 to OpenSearch 2.13, ensuring zero downtime through a Blue-Green deployment strategy. Introduced n-gram-based indexing, resulting in a 40% improvement in text-based query performance.
  • Engineered a high-performance, interactive survey response table using TanStack Table with advanced features like filtering, sorting, grouping, and infinite scrolling. Designed a scalable backend architecture utilizing OpenSearch for aggregations and filters, and optimized PostgreSQL queries for efficient retrieval of submission data.
  • Developed a Contingency Table Widget to present frequency distributions along with statistical tests such as Chi-Square, Column Proportion, and Fisher’s Exact Test, supporting both multi-level and nested categorical configurations for in-depth analysis.

Product Developer - Intern

SurveySparrow
08.2023 - 03.2024
  • Developed a HeatMap Table Widget to analyze Net Promoter Score (NPS) across two categorical dimensions, enabling users to derive actionable insights from response trends.
  • Built a Map Widget (Proof of Concept) to visualize geospatial distribution of survey responses, laying the foundation for future geolocation-based analytics.
  • Enhanced existing dashboard widgets by integrating benchmarking capabilities and implementing custom features based on product requirements.
  • Proactively identified and resolved multiple production issues, maintaining a personal quality score of 95% and contributing to an overall team quality score exceeding 90%.

Education

Bachelor of Computer Science and Engineering -

Kongu Engineering College
04.2024

Skills

  • OpenSearch
  • ElasticSearch
  • Postgresql
  • Expressjs
  • hapijs
  • Nodejs
  • React JS
  • Javascript
  • Python

Accomplishments

  • OpenSearch Migration: Led the migration from Elasticsearch to OpenSearch with zero downtime, maintaining system stability and ensuring seamless client experience.
  • Hackathon Wins: Secured 1st place in an internal company hackathon; previously won 3rd place during internship, showcasing innovation and team collaboration.
  • Production Stability: Resolved multiple critical production issues, contributing to a team-wide quality score of over 90%.

Timeline

Associate Product Developer

SurveySparrow
04.2024 - Current

Product Developer - Intern

SurveySparrow
08.2023 - 03.2024

Bachelor of Computer Science and Engineering -

Kongu Engineering College

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Subash