• Engineered secure login mechanisms by integrating rigorous input validation, creating authentication tokens, and implementing hashing algorithms using Java and Spring Security JWT, achieving a 30% reduction in vulnerabilities across multiple access management applications. • Implemented Java Persistence API (JPA) repositories and integrated design patterns using Spring Boot, PostgreSQL, and Lombok, resulting in the resolution of recurring design problems, and improved code readability for future integrations. • Implemented robust unit testing and integrated automated testing into CI/CD pipelines using Junit and GitHub Actions, achieving a 40% reduction in code duplication and reducing manual testing time by 4 hours per week. • Orchestrated and deployed software updates using Docker and Kubernetes in a microservices architecture, optimizing Dockerfiles to reduce build times by 50% and improving resource utilization. • Worked collaboratively with cross-functional teams to gather requirements, design effective solutions, and drive the delivery of high-quality software, contributing to a 20% increase in team velocity.

• Designed and developed a survey system for an internal ASP.NET web application using C#, HTML, CSS, and JavaScript, resulting in a 90% reduction in user time spent on gathering data, calculating aggregates, and creating graphs. • Developed and maintained Java applications responsible for managing 100+ AWS EC2 instances, ensuring uninterrupted operation of web-based automated tasks tailored to client specifications. • Developed Python scripts and SQL stored procedures to automate multiple daily tasks, reducing developer workload by 5 hours weekly and increasing task precision. • Developed utility classes to encapsulate commonly used functionality and simplify testing, resulting in a 20% reduction in development time and promoting code reusability. • Refactored legacy C++ applications to integrate up-to-date databases, frameworks, and technologies, resulting in a 70% reduction in vulnerabilities as measured by Cisco Vulnerability Management.