---
title: "RAJ GAUR - SDE-2 in Gurugram | Tal"
description: "Meet RAJ GAUR, SDE-2 | Java | Spring | 4* codechef based in Gurugram. AI stack includes cursor, github copilot, and ollama."
image: "https://tal.club/meet/raj-5/share-image"
---

# RAJ GAUR on Tal

## Headline

SDE\-2 \| Java \| Spring \| 4\* codechef

## About

As an SDE\-2 at Adda247, I focus on developing scalable backend solutions to enhance user engagement and platform efficiency\. My contributions include leading teams to create a short\-video learning platform, building low\-latency home feed infrastructure, and deploying a global content search system using ElasticSearch, which improved content discoverability and reduced query response times\. Holding a BTech in Computer Science from the College of Engineering Roorkee, I bring expertise in leadership, Java, Redis, ElasticSearch, Apache Kafka, and software infrastructure\. I am motivated by opportunities to optimize processes, mentor teams, and develop impactful systems that drive business growth and user satisfaction\.

## Location

Gurugram

## AI stack

cursor

github copilot

ollama

openai

## Work experience

SDE\-2 at Adda247, Apr 2023 \- Present · 3 yrs 3 mos, Gurugram, Haryana, India, ◦ Architected a Reels\-like structured short\-video learning platform and led two juniors to build feed ranking, category/tag discovery, shows, and trending modules; optimized backend for low\-latency playback and high throughput, improving user engagement\. ◦ Built Home Feed backend infrastructure supporting Current Affairs, Job Alerts, and Quizzes, using LUA scripting and Logstash for real\-time data synchronization across platforms\. ◦ Architected and deployed a global content search infrastructure using ElasticSearch, enabling sponsorship and trending visibility while reducing average query response time by 40% and increasing content discoverability by 35% across unified legacy and modern data pipelines\. ◦ Led and mentored a backend team of 5 engineers, consistently maintaining 95%\+ sprint velocity across multiple product cycles\.

Backend Software Developer at Adda247, Mar 2021 \- May 2023 · 2 yrs 3 mos, Gurugram, Haryana, India, ◦ Engineered a Whisper large\-v3 media processing system achieving 95%\+ transcription accuracy and automated video summaries using structured algorithms, improving content analysis efficiency by 60%\. ◦ Integrated Quartz Scheduler and migrated notification infrastructure to AWS SNS, streamlining LiveClass workflows, boosting notification reliability by 40%, and cutting operational costs by 15%\. ◦ Contributed to the Scholarship Test Platform, including scoring logic, secure result handling, and leaderboard generation used by 100K\+ participants\. ◦ Developed and maintained core backend modules for the Doubt Room, delivering end\-to\-end admin/user APIs and real\-time data flow, enabling Q&A for 200K\+ users and driving a 3× increase in doubt resolution\.

## Education

Bachelor of Technology \- BTech, Computer Science, College of Engineering Roorkee \(COER\)

[View the original profile](https://tal.club/meet/raj-5)

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