May 2024 – Feb 2025 · 9 mos

• Creating scalable solutions that impact millions of users every day.
• Developed high throughput feature for score calculations and Message Queue (MQ) API hits, reducing 9.56 million select queries and 2.39 million update queries per day, preventing database query choking, and significantly improving API response times and overall database performance.
• Implemented a cron job using Firebase Cloud Messaging (FCM) to track and mark devices as uninstalled in the database based on FCM responses, preventing unwanted notifications to 40% of users without the app installed.

Apr 2023 – Jul 2024 · 1 yr 3 mos

• Designed and deployed a scalable and configurable monetisation service, evolving the way recruiters access premium job offerings on JobHai portal, resulting in improved revenue streams and market competitiveness.
• Utilised Elastic Search to perform calculations and serve data, implemented a query system that incorporates caching to significantly reduce the frequency of database retrieval, this optimisation resulted in a remarkable throughput increase of 73%.
• Successfully scaled and optimised the job search result page, managing a high volume of requests with minimal latency and errors, contributing to the platform's reliability and user satisfaction with (<200 ms) and error rate (<0.1%).
• Implemented filter functions and indexing with precomputed data to optimise query times to the database, resulting in a significant reduction from 800 ms to 200 ms and improving the calculation time.

Jun 2022 – Apr 2023 · 10 mos

• Developed sustainable features impacting millions of users everyday.
• Worked on great scaling and bottleneck tasks to improve system performance.
• Developed a highly configurable Anti-Crawling Feature, optimising performance and flexibility, ensuring the platform's security and integrity.
• Implemented Switchable Databases (Clickhouse and MySQL) to enhance data storage capabilities, providing a scalable and adaptable solution for future growth.
• Utilised RabbitMQ to enable/disable call functionality for breached users after 24 hours, ensuring compliance with data protection regulations and user privacy.
• Learned new Technology like : Firebase Cloud Messaging, Elastic Search

Jan 2022 – Jun 2022 · 5 mos · Noida

• Worked as a backend developer in the Integration team to develop API systems for Paytm Insurance from scratch.
• Technology Stack used are Kotlin, Spring framework, MySQL, and Redis as databases.

Apr 2020 – May 2020 · 1 mo

• Web Development

May 2019 – Jun 2019 · 1 mo · Noida Area, India