Leonard Kinyanjui

I am a Senior Front End Software Engineer with over 12 years building commercial web applications using React and TypeScript. I focus on delivering intuitive user experiences and measurable improvements in engagement and performance.

At Microsoft Nairobi I led front-end development for the People tab on office.com and sharepoint.com, designed search filtering features, added telemetry tests, and created Grafana dashboards to surface User Perceived Latency metrics. I routinely diagnose and fix production issues to preserve user experience.

Previously I implemented Twilio video into a remote inspection app, designed geolocation features, and led development of a survey application, contributing to both backend and frontend systems. I have experience as a full-stack contractor using Django, AngularJS, and React.

I collaborate closely with PMs and designers, practice A/B testing and sprint retrospectives, and prioritize reliable, testable code that scales in production environments.