Prem Raj
Gurugram
Summary
Adept Software Engineer with a proven track record at Bobble AI, enhancing user engagement and ROI through innovative solutions like the User Demographic Targeting System and a seamless e-commerce app. Skilled in Golang, React.js, Python, Redis, Elasticsearch and cloud technologies (AWS, GCP), demonstrating exceptional problem-solving abilities and a commitment to optimizing performance. Achieved a significant 25 million DAU responsiveness improvement, showcasing both technical prowess and strategic thinking.
Overview
4
4
years of professional experience
Work History
Software Engineer
Bobble AI
Gurugram
06.2021 - Current
- Developed a User Demographic Targeting System, boosting client ROI by precisely aligning content delivery with user preferences.
- Developed a backend system for Google Play Billing Library integration for Bobble Premium Subscription.
- Played a pivotal role in developing the Bobble Super E-commerce app, providing millions of users with a seamless, in-chat shopping experience.
- Designed a context-based content suggestion drawer, increasing user engagement with relevant content on the keyboard.
- Optimized 3k RPS backend application performance with strategic Redis caching, reducing database load, and improving responsiveness under high demand – more than 25 million DAU.
- Actively contributed to overhauling legacy infrastructure with PHP to Golang migration, achieving significant gains in performance and scalability.
- Developed a system to serve targeted, contextual prompt campaigns for brands like Winni, Uber, Maruti, Zupee, etc.
- Increased content views by 12% and sharing by 9% by refining the suggestion drawer's user experience.
- Reduced content management time by 90% with efficient dashboard tools.
- Cut database costs by 6x through strategic database optimization, Elasticsearch migration for optimized searching, and strategic caching.
- Developed event-driven image processors leveraging pub/sub for generating usable content from raw resources with configurable watermark, size, etc.
- Designed and implemented the backend architecture for a short video content delivery system integrated within the keyboard, enhancing the user experience with features like shareable stories, and Story of the Day.
- Designed and implemented an in-content ad recommendation system for branded stories and short videos, driving increased brand engagement and visibility within the 'story of the day' feature by leveraging user demographics targeting.
- Refactored AWS-dependent backend services into cloud-agnostic solutions, enabling a successful GCP migration to enhance flexibility and reduce vendor lock-in, demonstrating expertise in AWS, as well as GCP services.
- Enhanced monitoring with Grafana/Prometheus integration, enabling swift issue detection, and ensuring system uptime through constant monitoring and alerting systems.
Software Engineering Intern
HighRadius
Bhubaneswar
12.2020 - 05.2021
- Developed a predictive analytics system for a fintech B2B sales invoice application, utilizing machine learning to forecast invoice payment dates and optimize financial planning
- Designed database schemas and implemented data loading processes, ensuring efficient data management
- Developed a dashboard with React.js, delivering a user-friendly interface to manage and view the order book with integrated payment prediction and analytics tools
- Collaborated on server-side programming with Java, supporting backend functionality
- Developed analytics dashboard for clients including Mondelez, Nestle etc
- To help them track their sales forecast
Education
Bachelor of Technology - Computer Science
Kalinga Institute of Industrial Technology
01.2022
Senior Secondary School -
Jawahar Vidya Mandir, Shyamali
01.2017
Secondary School -
PVSS DAV Public School
01.2015
Skills
- Golang
- Python
- JavaScript
- MySQL
- Redis
- Elasticsearch
- AWS
- GCP
- Docker
- Kubernetes
- Reactjs
- Nextjs
- Redux
Projects & highlights
- Developed a real-time chat application with secure user authentication, persistent chat history, and interactive games featuring leaderboards to enhance engagement and competitive participation. Optimized for scalability and seamless user experience. Technologies used: Golang, React, AWS, Firestore, JWT Auth.
- Independently architected and deployed the Zimpler.in blog website.
- Backend Migration, Migrated Backend infrastructure from AWS to GCP, facilitating a smooth migration from AWS to GCP, architecting cloud-agnostic backend services to enhance flexibility and reduce vendor lock-in.
- Worked on developing search based system with Elasticsearch.
- Redis caching for database optimization.
- Worked on developing Backend System for Google Play Billing System.
- Maintainer of multiple 3k RPS services insuring success rates above 99.9%
Accomplishments
- Significant Contribution Award for scaling expression feature of Bobble for diverse audience ensuring reach, relevance and relatedness.
Timeline
Software Engineer
Bobble AI
06.2021 - Current
Software Engineering Intern
HighRadius
12.2020 - 05.2021
Bachelor of Technology - Computer Science
Kalinga Institute of Industrial Technology
Senior Secondary School -
Jawahar Vidya Mandir, Shyamali
Secondary School -
PVSS DAV Public School
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