c
ckibuchi

Christopher K

@ckibuchi

I Build Secure High Performance APIs, Modern UIs with Spring Boot, DotNet, React

Kenya
About me
Senior Software Engineer and Lead Consultant with 13+ years experience, including Microsoft, Safaricom, and I&M Bank. I specialize in Java/Kotlin/Spring Boot, .NET Core/C#, and React, building backend systems, REST APIs, and cloud-deployed apps on Microsoft Azure. I have independently built and deployed production platforms, including a live property marketplace. Clean, tested code and fast, clear communication for clients worldwide.... Read more

Skills

c
ckibuchi
Christopher K
Offline • 

See my services

Full Stack Web Applications
I will fix your spring boot, net core, react or angular bug fast
From$5 / projectMore details
Profile Setup & Integration
I will be your social marketer
From$10 / projectMore details

Portfolio

Work experience

Microsoft

Software Engineer II

Microsoft • Full-time

Jul 2020 - Jul 2026 • 6 yrs

1. Led product migration and modernization for enterprise accessibility tools serving a global user base across backend APIs, frontend frameworks, and cloud infrastructure. 2. Implemented CI/CD pipelines with shift-left testing, improving W3C accessibility compliance from 52% to over 80% and saving 3,000+ development hours. 3. Drove the migration and refactoring of legacy APIs from .NET 4.6 to .NET 8, reducing API response times by 55%. 4. Transitioned frontend architectures from Angular to React, enhancing accessibility compliance and user experience while reducing support tickets by nearly 99%