Harold C.
Senior Android Developer
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Harold C. is a Senior Android Developer with over 12 years of experience designing and building advanced mobile applications across diverse industries including ecommerce, telecommunications, mobile authentication, utilities, transportation, and finance. At RipeConcepts, he led Android development for high-traffic ecommerce apps like Bed Bath & Beyond and Overstock, utilizing Kotlin, MVVM architecture, and REST API services. In roles with Modirum and Saudi Telecom Company, Harold engineered secure authentication and telco solutions, applying expertise in Jetpack Compose, dependency injection frameworks (Hilt, Dagger), and asynchronous programming (Coroutines, RxJava). His tenure spans remote collaboration with US, European, Middle Eastern, and African teams, leveraging agile methodologies and tools such as Jira, Git, and Firebase to deliver robust, scalable Android platforms tailored to business needs.
Experience
Senior Android Developer
RipeConcepts · 2023 — PresentDesigned and developed advanced applications for the Android platform utilizing Kotlin. Engaged with MVVM and Clean architecture, along with REST API services, Jetpack Compose, Coroutines, Flows, Room, Hilt, and Retrofit. Collaborated with tools like Bitbucket, Jira, Scrum, Firebase, NewRelic, and Figma, while working alongside US and European development teams.Senior Android Developer
Modirum · 2021 — 2023Created and built advanced applications for the Android platform using Kotlin and Java. Integrated external data sources and APIs leveraging REST and JSON. Employed Android architecture MVVM-Livedata-Databinding, along with tools like Coroutines, Hilt, and Retrofit.Senior Android Developer
Saudi Telecom Company (STC) · 2021 — 2021Developed and engineered advanced applications for the Android platform utilizing Kotlin. Applied MVVM and Clean architectures with REST API services. Involved LiveData, Databinding, RxJava, Dagger, and Navigation Components in the development process.Senior Android Developer
Cartrack / Carzuka · 2020 — 2021Constructed and maintained advanced applications for the Android platform using Kotlin. Used MVVM and Clean architectures alongside REST and GraphQL API services. Implemented LiveData, Databinding, Repository, RxJava, Hilt, and Room while utilizing tools such as Git, Git Flow, Jenkins, JIRA, and AppCenter.Application Development Associate Manager
Accenture · 2019 — 2020Oversaw team deliverables ensuring adherence to agreed requirements and deadlines. Managed team tasks, provided estimates, and communicated with Product Owners and clients. Led development tasks and addressed technical challenges.Senior Software Engineer - Android
Yondu · 2018 — 2019Developed, maintained, and supported multiple Android mobile applications for a US utility company. Worked with Kotlin and Java employing MVVM, Livedata, Databinding, and Repository in app development. Utilized tools such as Git, Git Flow, and Agile/Scrum methodologies while using Microsoft VSTS, AppCenter, and Azure DevOps.Senior Software Engineer - Android
Voyager Innovations Inc. · 2013 — 2018Engineered and created advanced applications for the Android platform utilizing Kotlin and Java. Engaged with external data sources and APIs via REST and JSON. Worked within various Android architectural patterns such as MVP, MVVM, and Clean architectures. Collaborated with tools like VOIP, XMPP, VPN, and payment services, while contributing to analytics, database management, and social network integration.
Skills & Expertise
Education
- Bachelor of Science in Computer EngineeringPolytechnic University of the Philippines · 2008 — 2013