Apr 2022 – Sep 2023 · 1 yr 5 mos · Gurugram, Haryana, India · Hybrid

• Designed and developed Extranet-Lite, enabling direct property sales along with inventory ingestion from multiple channel managers, supporting large-scale hotel search and availability workflows.
• Re-architected the data layer using MongoDB Aggregation Pipelines and materialized views, flattening traditional SQL-style relational models into optimized document structures, resulting in significant performance improvements in hotel search and data sync operations.
• Built a high-performance hotel pricing engine capable of evaluating complex pricing and business rules within ~400 microseconds, supporting real-time rate computation at scale.
• Designed and developed a Hotel API in Rust, leveraging ownership and borrowing semantics to optimize memory usage when processing large XML payloads from hotel suppliers.
• Reduced response latency and improved throughput using Tokio async runtime, task scheduling, channels, and gRPC-based internal communication.
• Led architectural decisions around system performance, data modeling, and service boundaries, ensuring scalability and long-term maintainability.

Apr 2021 – Apr 2022 · 1 yr

• Was able to develop Adapters for MCX and NCDEX using Golang, Also during this tenure I was able to develop middleware WebSocket servers in Golang which was in horizontal scaling underneath Nginx. The purpose of these middleware servers was to move the exchange price feeds to client devices in realtime. Each server has an outgoing bandwidth of 1.2 gbps and supports 2 million writes per second with a 16 core cpu and 64GB memory. Also I have developed the OMS and RMS from scratch using Java, PostgreSql, Redis. The OMS and RMS was integrated together and we named it ORM, The Order Risk Management system was able to process each orders in 10-15 milliseconds and also supports both horizontal scaling and vertical scaling as it was kept in a single consumer group.

Nov 2019 – Apr 2021 · 1 yr 5 mos

• Developed multicast adapters for NSE and BSE. The adapters are in horizontal scaling mode connected to Kafka streaming for event processing. It is developed in Golang and is able to parse both NSE trimmed apis and BSE by connecting to the UDP multicast group. It can parse the binary data both in Big-Endian and Little Endian. Also developed the Single Sign-On using LDAP and Google Authentication which allows all sort of application in Religare to create session using a simple javascript plugin. During the tenure I have also developed the NSE and BSE interactive TCP adapters which are again connected to Kafka and is in horizontal scaling and is able to parse the binary data in realtime and processing orders request and response. And finally developed Span Calculator from scratch which supports NSE, BSE, MCX and NCDEX and this calculator is used for span margin calculation for future and option traders.

Aug 2017 – Nov 2019 · 2 yrs 3 mos

• Developed mutual fund backend from scratch that supports both RTA and BSE StarMF. It is completely in horizontal scaling with F5 as load balancer, and Mongodb as a primary database. Used Redis for caching the stats and summary of all funds for faster loading in app.

Jan 2018 – Jun 2018 · 5 mos · Noida, Uttar Pradesh, India

• Developed Crypto Exchange for 10 Coins and 50 Tokens using Bitgo Apis. The exchange had a realtime bidder developed completely in-memory for faster query and supported limit, stop-loss and market orders. It had Web-Socket servers for order placements and Price-Feed transport. It used Bitgo Apis for hot wallet and cold wallet. It was developed in NodeJS, MongoDB In-memory Engine, Redis.

Nov 2015 – Jul 2017 · 1 yr 8 mos

• Developed products Like "Aapka Driver" which was a Mumbai based startup. It was developed in PHP and MySQL which was similar to Ola and Uber. Also was able to develop My cash App and Ciao Coin which are basically adNetwork and affiliate marketing app, it was developed in NodeJS, MySQL and Redis.