Arjunan K Email & Phone Number

Bengaluru, Ka, In

Bengaluru, Karnataka, India

Bengaluru, Karnataka, India

• Coordinated with a team of 6 front-end developers within the Deloitte Studio Department to develop the Premium Deposit feature for the trading web application of the world's largest bank JP Morgan & Chase, serving a user base of over 30 Million monthly traffic.• Engineered a comprehensive 21-combination user flow for JPMC Trade, including 7 screens for Premium Deposit with Deposit, Withdraw, and Withdraw All variations, responsive design for 3 device widths, and cross-browser compatibility across 4 browsers.• Delivered and maintained the Mutual Funds Accounts profile selection page, a web view serving 5 Million monthly active users, ensuring smooth and fast page loading while delivering a seamless user interface and experience.• Authored comprehensive end-to-end test cases utilizing Cypress and unit test cases with Jest following Test Driven Development, resulting in a substantial boost in code coverage from 65% to +85% in the Sonar report.• Owned the implementation of e2e feature flagging with Split.io for Premium Deposit users ($100k to 3M deposits), driving feature adoption through targeted rollouts and A/B testing to achieve an 88.7% CSAT score.• Led the entire implementation of error handling, error boundaries, and API mocking for the Premium Deposit, resulting in a 40% reduction in production errors and a 25% decrease in integration testing efforts.

Bengaluru, Karnataka, India

• Collaborated with a team of 15 skilled front-end engineers to revamp Analog Devices' CMS Application, delivering over 9000 products, 1.3 Million pages in 3 languages, 125 components, and 66,000+ lift-and-shifted pages.• Operated with Senior Software Engineers and cross-functional teams, to implement Telemetry API for Analytics, capturing 11 distinct User Interactions for Circuit Products worth up to $100 Million per Year of ADI’s Portfolio.• Orchestrated the launch and management of 18 high-impact web views, including Multimedia Gallery, and Industry Solutions, driving a surge in popularity with 455,000 page visits within 7 days post-launch and contributed to the 2.6+ Million monthly active user visits.• Configured Webpack to bundle and minify assets, resulting in a significant reduction in page load size from 10.8 MB to 5.5 MB. This improvement notably elevated the Lighthouse performance score from 48% to 55%.• Debugged and resolved over 50 critical bugs within a week before UAT and go-live, achieving a regression rate of less than 3% and ensuring high-quality delivery of a business-critical project within a challenging time frame.• Optimized system performance by implementing geolocation-based routing, redirecting 782,000 requests per month among Japanese, Chinese, and English versions of the web app, thus improving user experience and system efficiency.