مليحة خان

• Architected secure RESTful APIs using Django, NestJS (TypeScript), and Node.js within a microservices architecture;
achieved consistent sub-200ms response times through MongoDB indexing, PostgreSQL query optimisation, and Redis
caching, reducing average API latency by ∼40%.
• Implemented end-to-end authentication and authorisation using Firebase Auth with JWT, enforced RBAC across all
endpoints, and added server-side filtering and pagination to all list APIs, improving security and reducing payload sizes
by up to 60%.
• Integrated AWS SNS/SQS for asynchronous event-driven communication, documented and tested APIs using Swagger
and Postman, and developed an internal CRM system used daily by the marketing team, saving ∼3 hours/week of
manual reporting.
• Built and maintained backend-heavy full stack backoffice platforms and customer-facing websites in collaboration with
the DevOps team, ensuring high availability across 3+ production services.

• Built a centralised ticketing system for NADRAs C&IT Services Department (serving 500+ employees) using React,
NestJS, and SQL Server, enabling single-interface cross-departmental issue reporting and communication.
• Automated job assignment, completion tracking, and grading workflows, reducing average ticket resolution time by an
estimated 30% and improving accountability across departments.