Michael Osei

Michael Osei

$25/hr
Android | Fullstack Development
Reply rate:
100.0%
Availability:
Full-time (40 hrs/wk)
Age:
28 years old
Location:
Kumasi, Ashanti Region, Ghana
Experience:
9 years
MICHAEL PATIENCEOSEI ALEMAWOR Address: Address: Jeff-KayPlot Avenue, Kumasi, Ghana Ghana Apemso 10 Block C, Kumasi, Phone: Phone: - - Email: Email:-- Summary As an experienced full-stack and Android developer with over 6 years of experience, I specialize in developing robust back-end components and mobile applications that seamlessly integrate with other web services. My expertise extends to a variety of server-side and client-side languages, including Java, Kotlin, Python, JavaScript, and React. I am driven by a passion for creating elegant and efficient software solutions that meet the needs of businesses and their customers. Skill Highlights          RESTful API development with Python (Django) and Django REST Framework Android app development with Java and Kotlin Navigation Component (Android Jetpack) Agile development methodologies. API testing with Postman UI testing with Espresso Unit Testing (Junit4 and Mockito) Android Jetpack UI Testing. App Integration with AWS and GMS           Jira, Confluence, and Bitbucket (Atlassian Products) Retrofit and GraphQL Leak Canary and Android Profiler Coroutines / Co Flow and Asynchronous Programming. Jira, Confluence and Bit bucket. Django REST and JSON. ROOM and SQLDelight Dependency injection with Dagger / Koin DSA and Optimization Android Open Source Project Experience Senior Android Engineer (Android) (2020 – 2023) Tap & Hop Pty Holdings, Australia As an Android Engineer at Tap & Hop Pty Holdings from 2020 to 2023, I developed and maintained passenger and automotive Android apps using Java, Kotlin and Google Automotive Services (GAS). I integrated third party APIs, such as Google Maps, and integrated various SDKs and payment systems. I also integrated the apps with AWS and utilized tools such as OkHttp, GSON, JetPack Compose Libraries, Firebase, Retrofit, RxJava, LiveData, ROOM and Realm Database, following MVVM architecture. Additionally, I was responsible for writing various test scripts and publishing the apps on Google Play Console. Software Engineer - Contractor (Android and API Developer) -) Vitrum Technology, Amakom, Kumasi, Ghana As a Software Engineer (Contractor) at Vitrum Technology, I specialized in Android and back-end development, working closely on RESTful APIs and micro services, and their integration with Android apps. I was responsible for integrating APIs with various AWS services, including but not limited to Cognito and S3 bucket, and used PostgreSQL and Psycopg2 to handle database programming and connectivity. In addition to my development work, I focused on maintaining and optimizing code while addressing bugs and issues as they arose. Full Stack Web & Android Developer (2015 – 2019) Freelancer, Remote As a Full Stack Web Developer and Android Java Development expert, I showcased my skills as a freelancer from 2015 to 2019. My passion for delivering exceptional front-end development and styling services to clients led me to explore different web technologies such as Java Spring, PHP, and Django for server-side development and hosting. I was committed to optimizing the performance of websites, thereby providing the best user experience to visitors. As an accomplished Android Java Developer, I also utilized my proficiency in Android app development to create innovative mobile applications with sleek user interfaces and superior functionality. Education Kessben University College - Ghana (2017 – 2021) Bachelor of Science in Information Communication and Technology Achievements  Earned a perfect GPA of 4.0 and was recognized as the best student in Information Communication and Technology.  Achieved the distinction of being named the overall best student in the School of Physical Sciences, and attained the highest Record GPA in that school.  Produced exceptional project work that is currently being reviewed for publication in international journals, and was recognized as the best project work in your program. Prempeh College - Ghana (2011 – 2014) WASSCE (General Science) Summary I was an active member of the robotics club, where I developed my skills in programming and problem solving. Additionally, I was recognized as the best student in Biology and was appointed as a dormitory prefect for Guggisberg House, where I developed leadership skills and contributed to the overall wellbeing of the community. As a House fellowship executive, I also gained valuable experience in event planning and organization. These achievements reflect my dedication to academic excellence and my ability to thrive in diverse environments. References  Dr Edward Prempeh - Project Supervisor (Kessben University College / KNUST) Contact - -  Mr Emmanuel Darko – Senior Systems Engineer (Vitrum Technology) Contact - -  Chris Cabrera – Senior Software and DevOps Engineer (Tap & Hop Pty Holdings, Australia) Contact - -
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