Open to opportunities

Eric King'oo

@erickingoo

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Senior mobile application developer specializing in Flutter and scalable REST API-driven mobile solutions.

Kenya

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What I'm looking for

I seek roles building scalable mobile products with strong collaboration, clean architecture, testing, and opportunities to lead technical design and improve customer outcomes.

I am a Senior software engineer with 7+ years building mobile applications and REST APIs, experienced in architecting, developing and deploying high-performance Flutter and Android apps for startups and enterprises. I have co-founded and led product teams, transforming Figma designs into scalable apps using MVVM, BLoC, and best CI/CD practices.

I deliver clean, testable code, optimize app performance, and collaborate closely with designers and backend teams to integrate business logic and improve customer satisfaction. Notable work includes revenue collection ERP, service-hailing platforms, and social/gamification apps where I drove architecture, automated testing, and production-ready releases.

Experience

Work history, roles, and key accomplishments

Current

Senior Front-end Developer

Current

Kiambu County

May 2024 - Present (1 year 4 months)

Designed and developed an enterprise revenue collection ERP, converting Figma designs to scalable mobile and web apps and improving release feedback cycles to increase customer satisfaction.

Flutter Figma MVVM Dart CI CD GitHub REST APIs

Current

Senior Mobile Application Developer

Current

Qinsley Ltd

Jul 2020 - Present (5 years 2 months)

Architected, developed and deployed mobile features as co-founder, improving app performance and quality through automated tests and cross-functional agile processes.

Flutter Android Dart MVVM BLoC REST APIs Automated Testing Performance

Flutter Developer

Andela

Jul 2022 - Mar 2024 (1 year 8 months)

Delivered Flutter solutions for clients, implementing scalable UI/UX and integrating backend services to meet project requirements and timelines.

Flutter Dart BLoC MVVM REST APIs Unit Testing UI UX CI CD

Senior Flutter Developer

Berxley

Mar 2022 - Jan 2024 (1 year 10 months)

Transformed Figma designs into scalable Flutter apps using BLoC and MVVM, wrote unit tests and optimized media playback and caching for the Fund254 platform.

Flutter Dart BLoC MVVM GraphQL Unit Testing Performance Optimization UI UX

Flutter Developer

Hukie Technologies

Jun 2021 - Jan 2022 (7 months)

Developed a privacy-focused social dating app, modernized legacy codebases, fixed bugs and improved functionality while collaborating on roadmap and technical milestones.

Flutter Dart MVVM Debugging REST APIs Testing Mobile Security

Information Technology Consultant

Big-Quiz Show

Mar 2021 - Apr 2021 (1 month)

Advised on technical implementation for a mobile trivia platform to ensure smooth, transparent operations and reliable user payment and registration flows.

Payments Reliability QA

Android Developer

BodaBora by Komiuta

Dec 2019 - Jan 2021 (1 year 1 month)

Wrote clean, efficient Android code, performed unit and instrumentation tests, and optimized live app performance to improve stability and user experience.

Android Java Kotlin Unit Testing Performance Optimization Debugging REST APIs

Android Developer

MBuildify

Mar 2019 - Dec 2019 (9 months)

Designed architecture and developed dual-sided Android apps (artisan and user), delivering the product from wireframes to production and providing technical consultancy.