Rex Sunny

Background

About Rex Sunny

Passionate about Blockchain, with hands-on experience through pet projects in Solidity, web3.js, and Truffle. Familiar with Ethereum development, including ERC20 tokens, smart contracts, and Ether transactions, using tools like Ganache.PayPal - Senior Technical Account Manager (SEA region) 2019 Aug - Present date [Singapore]- Manage top large enterprise accounts in the SEA region, focusing on technical integration, auth-rate analysis, and troubleshooting critical payment issues- Collaborate closely with engineering, sales, and senior management teams to prioritize and enhance account performance, as well as to facilitate upselling- Conduct pre-sales activities and merchant business reviews from a technical perspective, actively engaging in product upsells and cross-selling- Possess expert knowledge of analytics tools such as DataDog, Tableau, Splunk, Google BigQuery, and Kibana- Demonstrate strong coding skills, particularly in Python, Node.js, and front-end frameworks- Create dashboards using Kibana, Looker, Tableau, Google BigQuery, etc- Play a key role in product and engineering discussions aimed at improving the product experience and addressing product gaps- Monitor product performance, analyze metrics, and make data-driven decisions to drive improvements- Proactively monitor API stability and potential payment issues, including decline rates, risk factors, and compliance error spikes- Actively collaborate with SRE teams to resolve P0, P1 and PX issues along with ServiceNowAkamai Technologies - Senior Solutions Architect (2014 Sep - 2019 Aug)- Expertise in front-end optimisation, CDN, Caching, web technologies, business processes and methodologies- Expertise in Improving web performance metrics include page load time, speed index, document complete time and user experience- Work closely with Account Management, Sales professionals, engineering, product development and Customer Care to resolve technical issues that arise during customer trials or integrations- Expert in internet as Web Server administrator including SSL, HTTP/2, HTTPS, DNS, HTTP etc- Vast experience in implementing complex web-based solutions including Load Balancers and last-mile and first-mile performance enhancementsTATA Consultancy Services – IT Analyst (Oct 2010 - Aug 2014)• Worked in development of backend and front-end tools for Yahoo! Software India Pvt Ltd.• Expert in PHP, MySQL, JavaScript, JQuery, Bootstrap Framework, CSS, SVN, Bugzilla and HTML• Work with the back-end development team to implement interactive and AJAX-based functionalities