Rahul Ranjan Email & Phone Number

Goa, India

Muzaffarpur, Bihar, India

● Lead a high-performing team of 4 engineers, ensuring timely delivery of critical features with approximately 20% involvement in management.● Collaborated closely with Engineering Manager and Software Architects to architect and implement innovative features, resulting in an impressive 25 % reduction in system errors.● Actively participated in development, code quality analysis, and load testing, resulting in a commendable 20% improvement in application performance.● Designed and developed an interface for selling Noice subscriptions on partner platforms.● Designed and implemented an auto-recurring subscription model based on in-app coins. Developed an event scheduler to facilitate automated subscription renewals.● Designed and developed a comprehensive moderation system for diverse entities within the Noice app. Utilized Pubsub for real-time moderation in live audio streaming. Additionally, I provided moderation action data to the data science team to enhance entity detection and improve overall platform moderation.● Expanded coin purchase options on the web platform, resulting in a 15% reduction in platform charges through the implementation of Midtrans Payment Integration.● Integrated Android and Apple in-app purchase(consumable product) methods to facilitate coin purchase. Employed Google/Apple in-app, Nest.Js, Kafka, Redis, and MYSQL for seamless development.● Designed and developed a Coin Withdrawal Process through the Iris Payout Platform.● Designed and developed a ‘Sending Gifts’ feature that enables users to send gifts with monetary value to creators during live audio interactions on the Noice platform.● Designed and developed a system within the Noice platform to support Noice Coins and Diamonds, which serve as in-app currency for purchasing premium content and subscriptions. Utilized Nest.js and MySQL for seamless integration.

Muzaffarpur, Bihar, India

● Achieved an extraordinary 60% reduction in application latency by optimizing SQL queries from seconds to milliseconds using MySQL, significantly enhancing the overall user experience.● Implemented a caching layer, resulting in an outstanding 50% reduction in latency and an impressive 20% increase in system reliability, using Redis.● Successfully scaled the Notification service by optimizing the event-driven system, achieving a substantial 25% reduction in system downtime.● Conceived, designed, and developed the Noicemaker Plus platform, leveraging BigQuery, MongoDB, Kafka & Nest.Js. This platform allows creators to upload and claim their content seamlessly. The platform also empowers creators to monitor detailed content analytics, including listening time, number of listens, follows, and likes. Additionally, the creator can access demographic analytics based on gender, location, and age groups for a comprehensive understanding of their audience.● Designed and developed an RSS syncing process to boost content volume on the Noice platform.

Indonesia

● Streamlined codebase by implementing a Kafka integration decorator in Nest.Js● Conceptualized, designed, and developed a Notification System from the ground up with a focus on increasinguser retention, employing Nest.Js, Kafka and MongoDB technologies.● Designed and developed a CMS within a noice audio streaming application, leveraging React.js and Nest.js, toseamlessly manage banners, segments, catalogs, and content.

Gurgaon, India

● Participated in design discussions regarding application architecture, feature implementation, or any other relevant topics as required.● Provided technical leadership by mentoring junior engineers on best practices related to software development and engineering processes.● Designed and developed the food seller onboarding flow.● Created a system for buyers to discover nearby food sellers and schedule orders.● Designed and implemented the policy buying journey for Maxbupa Application.● Provided Production support for the Maxbupa Agent Application.

New Delhi Area, India

● Designed and developed the Sensenuts IoT platform using Node.js, MQTT & MongoDB for device provisioning, configuration, monitoring, and control.● Created a real-time data communication system utilizing the MQTT protocol, enabling command transmission and data retrieval from IoT devices.

Janakpuri, Delhi

● Engineered a server for establishing and maintaining peer-to-peer connections using TCP and UDP hole-punching techniques.● Designed and implemented a system for transmitting video and audio payloads over RTP and RTCP protocol using MJPEG codecs.

New Delhi Area, India

● Created a live cab tracking feature using Google Maps API for various cab providers.● Integrated Ola, Uber, and Jugnoo APIs to allow users to compare fares and book cabs seamlessly.● Implemented OTP and social login functionality for the Dride Application.

Patna Area, India

Training in Networking Concept With Security from 15-Jun-15 to 14-Jul-15 conducted at HP Summer Training Nodel Center, Patna with grade A. Learn to configure different routing protocols like RIP, RIP-Version2, EIGRP, OSPF for IPV4 as well as IPV6 & Security concepts like VLAN, VTP, Inter VlAN routing, Access Control list, NAT(Network Address Translation), PAT(Port Address Translation).

Bachelor Of Technology (B.Tech.), Computer Science & Engineering

High School, 1St Division

10Th, 1St Division