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I will write advanced mongodb aggregation and optimize database queries
MONJURUL ISLAM
About this gig
Is your Node.js application running slow due to unoptimized database queries? Or do you need complex data processing, dashboard statistics, and multi stage filtering but are stuck with MongoDB?
As a backend focused Software Engineer, I specialize in writing production-grade MongoDB aggregation pipelines and query optimization. I will transform your slow queries into highly efficient database operations.
What I Can Do For You:
- Advanced Aggregation: Multi-stage pipelines using lookup, facet, group, match, and unwind for complex data processing.
- Query Tuning and Optimization: Fixing slow queries, implementing efficient indexing, and reducing database execution time.
- Mongoose Schema Architecture: Relational data modeling, validation, and clean schema design.
- Fixing Complex DB Bugs: Resolving population issues, nested data filtering, and broken pipelines.
Why Me:
- Clean Code Architecture: Following industry best practices with structured error handling.
- Performance Driven: Deep understanding of data structures and database behaviors.
- Dedicated Support: 100 percent satisfaction with post delivery assistance.
Please drop a message to discuss your database structure before placing an order
Get to know MONJURUL ISLAM
MONJURUL ISLAM
MERN Stack Engineer, Backend and MongoDB Optimization Specialist
- FromBangladesh
- Member sinceAug 2022
Languages
Bengali, English
I'm a backend-focused Software Engineer specializing in the MERN stack. I architect scalable apps from first principles, focusing on robust API design, state management, and optimized database schemas.
Core expertise includes building production-grade Node/Express backends, writing complex MongoDB aggregation pipelines, and securing apps with JWT token rotation. On the frontend, I use React, Redux Toolkit, and Tailwind CSS.
Let's connect to optimize your queries or build your next secure, scalable application!
My Portfolio
FAQ
What do you need from me to start working?
I will need access to your schema design/models or the specific database structure you are working with. Also, sharing the current unoptimized code/query and sample mock data will help me test and deliver the pipeline quickly.
Can you write pipelines for complex multi-stage filtering and dashboards?
Yes, absolutely! I specialize in writing complex multi-stage pipelines using operators like $lookup, $facet, $group, $match, and $unwind. Whether you need relational data joins or complex metrics for a dashboard, I can optimize it.
Will your optimization change my existing database schema?
Usually, no. My primary goal is to write efficient queries and leverage proper indexing to speed up performance without breaking your schema. However, if I find critical flaws in your schema design, I will suggest architectural improvements first.
