Nov 2024 5 min read
Why I Moved from Redux to Zustand in Large Scale Apps
#State Management#Performance
Available for Senior Roles & Consulting
Building Digital Engines for Enterprise Growth.
I am Tanvir Hossain, a Senior Full Stack Architect. I transform complex business requirements into scalable, high-performance web architectures.
5+
Years Experience
40+
Successful Deploys
300%
Avg Perf Boost
My Tech Stack
Technical Architecture
Frontend Architecture
- React.js
- Next.js (App Router)
- TypeScript
- Tailwind CSS
- Redux Toolkit
- Micro-frontends
Backend Engineering
- Node.js
- Express
- NestJS
- GraphQL
- WebSockets
- Serverless Functions
Database & Cloud
- MongoDB (Aggregation Pipelines)
- PostgreSQL
- Redis Caching
- AWS (EC2, S3, Lambda)
- Docker
Case Studies
Selected Projects
SaaS Platform
View Case Study
Fintech Analytics Dashboard
FinCorps Inc. // A real-time financial data visualization platform handling 50k+ concurrent socket connections.
The Challenge
The client's legacy dashboard suffered from 8s+ load times and crashed during high-volume trading hours.
The Solution
Re-architected the backend using Node.js streams and implemented a Redis caching layer. Migrated frontend to Next.js for server-side rendering.
Key Impact
- Reduced initial load time to 1.2s (85% improvement)
- Handled 100k+ concurrent events with zero downtime
- Increased user retention by 25% post-launch
Next.jsNode.jsRedisSocket.ioAWS
E-Commerce
View Case Study
Global E-Commerce Scalability
RetailGiant // Scaling a monolithic MERN shop to a microservices architecture for global expansion.
The Challenge
Database bottlenecks were causing checkout failures during Black Friday sales events.
The Solution
Decoupled the order processing service and implemented message queues (RabbitMQ). Optimized MongoDB indexes for complex queries.
Key Impact
- Supported 500 orders/minute throughput
- Eliminated database deadlocks completely
- Reduced infrastructure costs by 30% via auto-scaling
ReactExpressRabbitMQMongoDBDocker
Web Application
View Case Study
AI-Powered Real Estate Search
PropTech Solutions // Integrating natural language processing to allow users to search homes using conversational text.
The Challenge
Standard filters were too rigid for users looking for specific architectural styles.
The Solution
Integrated OpenAI API for query parsing and vector search implementation in PostgreSQL.
Key Impact
- Search engagement increased by 40%
- Lead conversion rate jumped from 2% to 5.5%
- Featured in TechDaily for innovation
ReactPython/DjangoPostgreSQLOpenAI API
Written Insights
Read all articles Engineering Thoughts
Oct 2024 8 min read
Optimizing MongoDB Aggregations for Sub-Second Queries
#Backend#Database
Sep 2024 6 min read
A Strategic Guide to Next.js App Router Migration
#Frontend#Architecture
Ready to scale your next project?
I am currently accepting new contracts for Q1 2026. Whether you need a system audit, a full architectural overhaul, or a team lead, let's talk.