• Fine-tuned pre-trained BERT, XGBoost, and RoBERTa on a custom dataset to enhance accuracy in text classification and Native Language Identification using Python and Hugging Face Transformers.

• Optimized model performance through data preprocessing, tokenization, and hyperparameter tuning, achieving 85% improvement over baseline.

• Documented evaluation metrics (accuracy, precision, recall, F1-score)

• Built and delivered 5+ Chubb insurance web apps end-to-end (requirements → UI → code → deploy via TFS), ensuring on-time and maintainable releases

• Resolved 95% of L1 production issues through RCA, TDD, and automated test coverage — boosted CSAT by 30% and cut repeat incidents by 30%.

• Implemented two-factor authentication (2FA) using Spring Security for login functionality, enhancing website security and reducing 'Forgot Password' clicks by 60%

• Reduced HTTP response time by 70% (1000ms → 300ms) by integrating Redis caching in Chubb Insurance webservices

• Improved API performance by implementing request batching and multithreaded processing, and monitored performance through Azure DevOps pipelines, reducing response latency by 40% and cutting data indexing time from 24 hrs to 10 hrs

• Developed MongoDB-based DAL integrated with SQL stored procedures and parameterized queries, improved query performance by 25%

• Led KT sessions and module walkthroughs for new hires, reduced onboarding time by 20% and improved design/code review collaboration.

• Managed sprint docs, tech specs, and change logs in Confluence, improved knowledge retention and cut onboarding effort by 50%.

• Developed a .NET service endpoint for KPMG Web Services, offloading 20% of incoming customer requests

• Revamped applications from ASP.NET MVC to .NET 5

• Designed and integrated RESTful APIs with JWT-based authentication and role-based access control, ensuring secure user management

• Optimized SQL queries (stored procedures, triggers), tuned performance, and developed stored procedures, views, functions, and triggers for high-efficiency data handling

• Implemented Azure PaaS DB and SQL Database solutions, ensuring high availability, fast query execution, and reliable storage

• Built Azure Pipelines (PaC with YAML) for CI/CD, accelerated release cycles.

• Raised code coverage from 61% to 97% by designing test suites using Moq framework, reducing production defects.

• Engineered Referential Integrity module in C# (.NET) to auto-sync linked document updates across systems.

• Automated SSRS-based document version comparison for ~1M files, saved product owner 5+ hours/week.

• To ensure system stability, I also played a critical role in establishing integration tests for distributed systems, verifying inter-system functionality, and maintaining seamless operations.