Aftab Ali

Backend engineer on the founding team of a national courier platform processing 3M+ weekly shipments. Works on core microservices
for real-time tracking, dispatch, and automated billing.
• Architected event-driven microservices using Apache Kafka handling 3M+ shipment events per week with zero message
loss, using idempotent consumers and a dead-leter-queue recovery strategy.
• Led migration from a legacy monolith to a distributed microservices architecture, cuting feature deployment cycle time
from 2 weeks to 3 days.
• Containerized 8 backend services with Docker and Docker Compose, reducing environment setup time from 2 days to 2
hours across an 8-engineer team.
• Designed 30+ RESTful APIs serving 10+ internal teams at 99.9% uptime, with API versioning, structured error handling, and
OpenAPI/Swagger documentation.
• Enforced Clean Architecture and SOLID principles team-wide, reducing bug-to-fix cycle time by approximately 35%.
• Introduced an xUnit and GitHub Actions CI pipeline achieving 80%+ code coverage, reducing regression incidents by
approximately 40% across three release cycles.
• Contributing to the Angular 19 frontend of an internal Billing Management System, building hands-on experience with
component architecture, RxJS, and Angular-to-.NET Core API integration.

Backend engineer on an enterprise insurance SaaS platform managing policies, claims, and orders for 5, 000+ active policyholders
across multiple B2B clients.
• 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, cuting average DB
latency from 800ms to 220ms (72% improvement).
• Implemented a Redis caching layer for high-frequency policy lookup endpoints, reducing DB reads by 60% and improving
P95 latency from 600ms to 85ms.
• Delivered 25+ RESTful API endpoints integrated with SQL Server and third-party insurance providers, enabling automated
claims processing for 98% of transactions.
• Implemented JWT-based authentication with role-based access control across all APIs, maintaining zero security incidents
throughout tenure.

• 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.

Full-cycle engineer on 3 production .NET Core applications in logistics and HR domains. Promoted from Trainee to Mid-Level within 8
months based on delivery performance.
• Implemented Repository, Factory, Strategy, Unit of Work, and CQRS design paterns across 2 client codebases, reducing
code duplication by approximately 40%.
• Delivered 8 production features across sprint cycles with 100% on-time delivery and zero P1 incidents post-release over a
12-month window.
• Conducted 30+ structured code reviews enforcing team coding standards, contributing to approximately 20% fewer QA
reported bugs across two quarterly releases.
• Mentored 2 junior engineers on .NET Core, design paterns, and clean code principles; both were promoted within 6
months of mentorship.

• 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.

Supported course delivery for Programming Fundamentals and Object-Oriented Programming during final year of BS Computer
Science.
• Delivered lab sessions and supplementary lecture support for Programming Fundamentals and OOP coursework.
• Mentored 50+ students on core programming and OOP concepts, improving average assignment scores by approximately
25% over one semester.

• 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.