Zulqarnain Khalil Email & Phone Number

Palo Alto, California, United States

My collaborative engagements with product and tech teams are geared towards surpassing project delivery expectations, underpinned by an extensive command over technologies such as Ruby on Rails, Typescript and ReactJs.𝐂𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐨𝐧𝐬 & 𝐊𝐞𝐲 𝐈𝐦𝐩𝐚𝐜𝐭𝐬:𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐚𝐥 𝐋𝐞𝐚𝐝𝐞𝐫𝐬𝐡𝐢𝐩 𝐢𝐧 𝐑𝐮𝐛𝐲 𝐨𝐧 𝐑𝐚𝐢𝐥𝐬: As the technical lead, I championed architectural excellence, emphasizing scalable code division through services and the meticulous application of design patterns, including Single Responsibility, Factory, and Strategy. This focus on clean architecture and design principles significantly enhanced our application's reliability, scalability, and maintainability, enabling robust performance and seamless adaptability to changing requirements.𝐒𝐭𝐫𝐚𝐭𝐞𝐠𝐢𝐜 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧: Championing the principle that "speed is a feature," I've led efforts that resulted in a 40% reduction in database response times and 25% decrease in database writes. Spearheaded initiatives to drastically enhance page loading times and database efficiency, successfully eliminating N+1 queries and unnecessary table joins. These strategic optimizations have not only streamlined operations but markedly uplifted user engagement and satisfaction.𝐀𝐠𝐢𝐥𝐞 𝐋𝐞𝐚𝐝𝐞𝐫𝐬𝐡𝐢𝐩 & 𝐄𝐧𝐡𝐚𝐧𝐜𝐞𝐝 𝐎𝐛𝐬𝐞𝐫𝐯𝐚𝐛𝐢𝐥𝐢𝐭𝐲: Steering Agile project teams with a hands-on approach, I've achieved a remarkable 90% success rate in sprint goal attainment, showcasing effective project management and team synergy. Through the strategic application of observability tools like New Relic, Sentry, and Grafana, I've spearheaded initiatives that resulted in a 40% uplift in system efficiency, directly contributing to enhanced user satisfaction and system resilience.

United States

As a Senior Software Engineer, my leadership was instrumental in driving forward the development of various products. My role extended beyond just coding; I was pivotal in guiding our development team through the complexities of modern web development, employing a blend of Ruby on Rails and React.js to build foundational features that propelled us ahead of the curve.𝐊𝐞𝐲 𝐂𝐨𝐧𝐭𝐫𝐢𝐛𝐮𝐭𝐢𝐨𝐧𝐬 & 𝐈𝐦𝐩𝐚𝐜𝐭:𝐋𝐞𝐚𝐝𝐞𝐫𝐬𝐡𝐢𝐩 𝐢𝐧 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: I've consistently set the pace for development velocity and code quality, producing maintainable and testable code that serves as the gold standard within our teams. As a Ruby on Rails virtuoso, I've steered our technical direction towards innovation and continuous enhancement, elevating our collective engineering process.𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 𝐅𝐞𝐚𝐭𝐮𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Engineered a versatile content creation features, enabling dynamic integrations of various media types, which enriched user engagements. Additionally, I led the development of a dynamic timeline feature with seamless pagination and real-time notifications, enhancing the social connectivity of the platform.𝐂𝐨𝐧𝐭𝐢𝐧𝐮𝐨𝐮𝐬 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 & 𝐈𝐦𝐩𝐫𝐨𝐯𝐞𝐦𝐞𝐧𝐭: Embraced a growth mindset, actively engaging in professional development to remain at the forefront of technological advancements. My commitment to continuous learning has been a catalyst for adopting best practices, including automated testing with RSpec and Cypress, thereby elevating code quality and team efficiency.