As a Software developer at HackerRank, my primary focus is on frontend development, where I am majorly contributing to the B2B Sass product: HackerRank Screen. - Led and developed the Test Creation Experience, reducing the median time to first publish by 61.7% to 58.3 seconds, cutting the drop-out rate by 17%, increasing efficiency by 42.4%, and improving web perf. by 1.6x. - Developed the leaked question alerting and auto-replacement feature, achieving 94% efficiency with an avg. turn around time of 52 mins. - Led development of the HackerRank-Certified Assessments initiative from 0 to 1, increasing adoption by 52%. - Instilled performance and user-centric development practices across the company by leading the Performance-First Initiative vertical. - Migrated multiple business-critical workflows from Backbone.js to React.js.