Case study — SalesOrBuys
SalesOrBuys
An online marketplace platform connecting buyers and sellers — built for high concurrency and intuitive user experience.
Transformation
Before & after
Before
- No marketplace platform — selling done manually
- No user accounts or transaction system
- No search or filtering capability
After
- Full buyer and seller dashboards
- Secure transaction and listing system
- Advanced search and category filtering
- Scales to 100k+ concurrent users
The challenge
What needed solving
Building a marketplace that handles high concurrency, complex search requirements, and secure user-to-user transactions while keeping the UI intuitive.
The solution
How we solved it
We implemented a sophisticated search and discovery system using Next.js and TypeScript, backed by a high-performance database layer to ensure speed and reliability at scale.
Outcomes
Key results
Support for 100k+ users
Advanced search & filtering
Secure transaction system
Intuitive user dashboards
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