Nafiz Fouad Sarker

Delivered new features and enhancements for enterprise ASP.NET Core MVC applications used by 600+ client employees, including employee bonus administration, contract/asset lifecycle management, and a vendor parts catalog (10,000+ parts) with NetSuite integration. Introduced automated test coverage (xUnit, Moq) and reached 95% mutation coverage, integrating suites into GitHub Actions CI/CD. Built a companion application end to end with stakeholder collaboration on requirements and schema design; protected sensitive vendor data using Always Encrypted and Azure Key Vault, and improved response times by ~30% via SQL and LINQ optimization.

Performed RLHF on large language model outputs for software engineering, machine learning, and competitive programming tasks to improve code quality, correctness, and adherence to design patterns. Reviewed 1,000+ AI-generated code snippets and authored prompts and reference solutions across data structures and algorithms, web frameworks (including Django), and ML workflows using PyTorch and TensorFlow.