Mark Githinji

I’m an Android Engineer (Full-Stack & Kotlin Multiplatform) with over 4 years of experience building performant and scalable mobile solutions. Skilled in Kotlin, Java, Ktor, Spring Boot, and Firebase, I’ve improved app performance by 35%, boosted engagement by 20%, and increased monetization by 25% through data-driven development and clean architecture. With a strong foundation in mathematics, algorithms, and data processing, I specialize in native and cross-platform (KMP) apps, real-time API integration, and modern UI/UX design.

Passionate about creating technology that delivers measurable impact, I thrive in environments that bridge mobile and backend ecosystems.

Android Engineer (Full Time) at Remote (2021 – Present)

Duties and Responsibilities

• Modified existing software, resolving 95% of reported bugs and improving performance by 30%.
• Consulted with clients weekly, reducing project revisions by 40% through proactive communication.
• Prepared comprehensive reports for over 10 projects, enhancing project tracking and accountability.
• Collaborated with cross-functional teams on 15+ projects, accelerating development timelines by 25%.

Android Developer at Siron Place Hotel (2018 – 2020)

Duties and Responsibilities

• Building Android apps using Android Studio and Kotlin/Java, improving performance and user experience.
• Translating wireframes into responsive UI, boosting interface consistency by 40%.
• Integrating AdMob and other monetization tools, increasing revenue by 25%.
• Linking apps to RESTful APIs, Firebase, and Supabase for real-time data sync.
• Conducting testing, documentation, and maintenance, cutting bugs by 35%.
• Analyzing user metrics to enhance app performance and engagement by 20%.

Bachelor of Science in Mathematics and Computer Science; Major: Computing and Applied Statistics. – Jomo Kenyatta University of Agriculture and Technology (JKUAT) (2014 – 2017)