Aftab Ali

Founding backend engineer on Pakistans largest courier platform processing 3M+ weekly shipments. Technical owner of
core microservices for real-time tracking, dispatch, and automated billing.
• Architected event-driven microservices via Apache Kafka handling 3M+ shipment events/week with zero message
loss, using idempotent consumers and dead-letter queue (DLQ) recovery strategy.
• Led migration from legacy monolith to distributed microservices architecture, cutting feature deployment cycle from
2 weeks to 3 days and enabling independent team scaling.
• Containerized 8 backend services with Docker + Docker Compose, reducing environment setup time from 2 days
to 2 hours and eliminating 100% of environment drift issues across 8-engineer team.
• Designed 30+ RESTful APIs serving 10+ internal teams with 99.9% uptime, implementing API versioning,
structured error handling, and OpenAPI (Swagger) documentation standards.
• Enforced Clean Architecture + SOLID principles team-wide, reducing bug-to-fix cycle time by ~35% and enabling
new engineers to onboard and ship production code within 1 week.
• Introduced xUnit + GitHub Actions CI pipeline achieving 80%+ code coverage and reducing regression incidents
by ~40% across three consecutive release cycles.

Backend engineer on enterprise insurance SaaS platform managing policies, claims, and orders for 5, 000+ active
policyholders across multiple B2B clients.
Performance Engineering
• Reduced API response time by 30% by migrating heavy transaction workloads to .NET Background Hosted
Services, achieving 3x higher concurrent request throughput on peak claim days.
• Optimized 15+ critical SQL Server queries via indexing, query rewriting, and execution plan analysis, cutting
average DB latency from 800ms to 220ms (72% improvement).
• Implemented Redis caching layer for high-frequency policy lookup endpoints, reducing DB reads by 60% and
improving P95 latency from 600ms to 85ms.
API & Security
• Delivered 25+ RESTful API endpoints integrated with SQL Server and third-party insurance providers, enabling
fully automated claims processing for 98% of transactions.
• Implemented JWT-based authentication with RBAC across all APIs; maintained zero security incidents throughout
full tenure.
• Integrated webhook notification system for real-time policyholder claim alerts, reducing inbound support tickets by
~25%.

• Developing robust and scalable applications using .NET Core and ensuring high-quality code through
design pattern implementation.
• Performing data analysis to extract actionable insights, supporting decision-making processes for busi
ness strategies.
• Collaborating with cross-functional teams to design and implement database solutions, ensuring optimal
data storage and retrieval.
• Automating data pipelines and creating dashboards to visualize trends and improve reporting efficiency.
• Troubleshooting and optimizing system performance to deliver seamless user experiences.

• Designed, developed, and maintained scalable .NET applications using C# and .NET Core.
• Built and integrated databases with a focus on efficiency, data integrity, and performance.
• Applied object-oriented programming principles to deliver clean, maintainable, and modular code.

• Worked on several stacks like .NET Core and Microservices.
• Utilized core concepts like DSA & OOP for the development of efficient and secure software projects.
• Collaborated with senior developers to update projects and create new features.

• Served as a Teaching Assistant for Programming Fundamentals (PF) and Object-Oriented Programming
(OOP) courses, providing academic support and guidance.
• Mentored junior students by assisting with coursework, clarifying concepts, and fostering a deeper
understanding of programming principles.