Afif Khaja

Innovative and results-driven Software Engineer with 9 years of experience and a solid background in Java development, data management, and process optimization. Proven expertise in building and maintaining high-performance applications and databases, leveraging skills in Java, Python, R, SQL, and SAS. Recognized for effectively leading critical projects and enhancing operational efficiencies. Adept at problem-solving, team collaboration, and driving continuous improvements in complex technical environments.

Health Care Service Corporation (Jul 2019 – Present)

Software Engineer 

• Spearheaded key projects, including the integration of enhancement requests, and expanding testing capabilities. Played a pivotal role in unit tester DGF conversion and optimization, reducing downtime and improving testing efficiency by 50%. Established a GitHub repository for efficient code management and developed crucial installation documents for varied operating systems.
• Championed the Java development of a robust Regression application processing 3,000 claims against 50,000 business rules. Integrated Java multi-threading (4 threads), efficient log file handling, and IBM DB2 database storage solutions.
• Achieved rapid processing of a 1 million-record log file using Java, enabling database insertion in just 1 minute. Employed advanced Java techniques for memory optimization and streamlined data handling.
• Built a Java application from scratch leveraging unit tester models for efficient processing of claim numbers, SQL queries, and result storage. Enhanced SQL interaction in Java, allowing multiple claims processing simultaneously.
• Led the maintenance and enhancement of a critical business unit tester application in Java, serving as the sole developer for 12 users in production. Successfully debugged and resolved errors, significantly improving application functionality for daily use.
• Established and documented a comprehensive code structure on the team's wiki, improving team understanding and collaboration on Java class interrelations. 
• Demonstrated expertise in GUI components, researching and mastering their intricacies. Developed a process flow chart to aid user comprehension of class relationships.
• Conducted extensive Java-based performance tests comparing single and multi-threaded processes, significantly optimizing application efficiency.
• Proactively identified and resolved Java runtime exceptions and workflow challenges. Played a key role in the Java application's transition to the production environment, continuously monitoring and refining its performance.

Evolent Health (Aug 2014 – Feb 2019)

Data Operations Analyst

• Managed 800 live claims and EMR data sources in SQL server, troubleshooting data issues.
• Consistently exceeded 95% file load percentage and 90% data volume stability index metrics for production data sources.
• Displayed organizational skills by creating a Kanban board to prioritize no load hold reprocess tickets and reduce backlog from 100 tickets to zero in three months
• Expanded leadership savvy by coordinating with Syntel offshore team to re-build and promote eight different stored procedures for data source creation across data formats

University of Illinois at Chicago

Bachelor of Science in Statistics and Operations Research (May 2014)

3.65 GPA