Multi-Platform Review Aggregation System

Built a comprehensive review aggregation system that collects, processes, and displays reviews from multiple sources. Developed RESTful APIs with Node.js/Express, created mobile apps using React Native, and built admin dashboards with Vue.js. Implemented real-time data processing and analytics.

Node.jsExpress.jsReact NativeVue.jsMongoDBRedisAWS LambdaDockerElasticsearch

Key Achievements

200K+ reviews processed successfully
30% reduction in release cycles
Mobile apps supporting iOS and Android
95% test coverage achieved

Challenges

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Processing 200K+ reviews from multiple platforms with different APIs
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Real-time sentiment analysis and categorization
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Synchronizing data across web, mobile, and admin platforms
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Handling large-scale data ingestion without performance degradation
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Implementing full-text search across millions of reviews
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Building responsive mobile applications for iOS and Android

Solutions

Built Node.js/Express microservices for data ingestion and processing
Implemented serverless architecture using AWS Lambda for review processing
Developed React Native mobile apps with offline-first architecture
Created Vue.js admin dashboard with real-time analytics
Integrated Elasticsearch for fast, full-text search capabilities
Implemented CI/CD pipeline reducing release cycles by 30%
Set up MongoDB sharding for horizontal scalability

Technologies & Tools

Node.js

Express.js

React Native

Vue.js

MongoDB

Redis

AWS Lambda

Docker

Elasticsearch