Calvin Barker Email & Phone Number

New York, US

Mountain View, CA, US

☁️🔑

Washington, District Of Columbia, US

Mclean, VA, US

• Led production efforts for a new microservice-based credit review product that complied with complex internal quality standards and enabled production deployments of codebase changes within 20 minutes
• Introduced a Node-based feature toggle service that simplified multi-environment deployments and eliminated complex branching strategies
• Conducted technical interviews to vet dozens of engineering candidates based on fundamental algorithmic and problem-solving skills

Mclean, VA, US

• Developed a Spark-based data-detection application to replace an underperforming vendor product that increased daily throughput from 1.5 TB to 30 TB while reducing the average cost per TB from $532 to $2.88
• Rearchitected cost-effective AWS infrastructure for a critical data-scanning stack that implemented automatic scaling and cut disaster recovery time and point objectives from three hours to under 30 seconds

• Contributed to an Angular and Node web application that served over 200,000 healthcare professionals annually
• Researched and integrated automated testing frameworks using Mocha, Chai, Grunt, and Selenium with existing Node projects that moved the software engineering team to test-driven development
• Wrote and maintained test specifications to assure that front-end interactions behaved as expected with over 95 percent code coverage

Chapel Hill, NC, US

Mclean, VA, US

• Developed a full-stack, internal web application to track potential data security issues alongside another intern
• Created a dynamic and fluid front end that used AngularJS and Bootstrap to provide a visually-pleasing user interface
• Wrote APIs for a back end that implemented Apache Tomcat and Spring Boot to update a MySQL database

Raleigh, North Carolina, US

• Developed a Java tool that automated bank merger and acquisition data processing and saved 800 man-hours
• Research and complied financial information on hundreds of bank mergers and acquisitions that had begun since the Great Recession
• Analyzed and determined the viability of a proposed vendor information product to help financial executives make decisions regarding using third-party products
• Contacted and led focus groups with over a dozen bank CEOs and CFOs that garnered invaluable information about how they made vendor-related decisions and invalidated a potentially-wasteful product idea

• Supervised nearly 50 interviewers to ensure quality research results
• Conducted individualized performance reviews for employees
• Managed shift logistics with individualized phone assignments

• Cold-called adults to conduct half hour-long surveys funded by the National Institutes of Health and the Food and Drug Administration
• Gained extensive experience in dealing with rejections sand unpleasantness
• Trained in Institutional Review Board standards

Bachelor'S Degree, Computer Science And Economics

Master Of Science - Ms, Computer Science