Ticket Lagbe (B2B Travel Agency)
A high-performance digital ticketing marketplace engineered for speed, scalability, and reliability, enabling users to book transportation, events, and entertainment services with secure transactions, real-time availability, and instant confirmations.
Role
Sr. Software Engineer
Status
Production Active
Stack
Next.js, React.js, TypeScript +6
Overview
Responsibilities
- Developed GraphQL API services and backend business logic in NestJS & Node.js
- Built responsive agent portal UI using Next.js, RTK Query, Material UI (MUI)
- Implemented credit limit checks, deposit tracking and invoice generation
- Configured sub-agent role-based access control (RBAC)
Technology Stack
Key Features
Architecture
B2B Sub-Agent
Next.js + MUI
GraphQL Gateway
NestJS Microservices
SQL Database
Challenges & Solutions
Challenges
- Managing complex credit line synchronization across concurrent booking requests
Solutions
- Enforced atomic database transactions for agent wallet and deposit updates
Screenshots
Project Links
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