I am a Software Engineer with over a decade of experience in Android app development and more than eight years in iOS app development. Throughout my career, I've developed and published multiple apps on both Google Play Store and Apple App Store, built full-stack solutions, web applications, and backend services using technologies such as Spring Boot. I specialize in creating innovative mobile and backend solutions to improve payment systems and digital insurance products. I've worked extensively in fintech, insurance, and large corporate sectors, as well as startups, gaining valuable experience integrating payment channels and enhancing user transaction experiences. I continuously strive to expand my skill set in emerging cloud platforms while leveraging my strong foundation in programming languages and frameworks to deliver high-quality solutions.

Nana Yaw Owusu-Koranteng

I am a Software Engineer with over a decade of experience in Android app development and more than eight years in iOS app development. Throughout my career, I've developed and published multiple apps on both Google Play Store and Apple App Store, built full-stack solutions, web applications, and backend services using technologies such as Spring Boot. I specialize in creating innovative mobile and backend solutions to improve payment systems and digital insurance products. I've worked extensively in fintech, insurance, and large corporate sectors, as well as startups, gaining valuable experience integrating payment channels and enhancing user transaction experiences. I continuously strive to expand my skill set in emerging cloud platforms while leveraging my strong foundation in programming languages and frameworks to deliver high-quality solutions.

Available to hire

I am a Software Engineer with over a decade of experience in Android app development and more than eight years in iOS app development. Throughout my career, I’ve developed and published multiple apps on both Google Play Store and Apple App Store, built full-stack solutions, web applications, and backend services using technologies such as Spring Boot. I specialize in creating innovative mobile and backend solutions to improve payment systems and digital insurance products.

I’ve worked extensively in fintech, insurance, and large corporate sectors, as well as startups, gaining valuable experience integrating payment channels and enhancing user transaction experiences. I continuously strive to expand my skill set in emerging cloud platforms while leveraging my strong foundation in programming languages and frameworks to deliver high-quality solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Intermediate
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Work Experience

Freelance Consultant at Remote
January 1, 2024 - Present
Developed and published Reload Mobile, a payment app that facilitates bill payments including electricity, airtime, data, and cable TV. Also developed the Methodist Hymn Book staff notation app for Android with over 2000 downloads.
Software Developer at eTranzact
December 31, 2023 - August 27, 2025
Developed Android mobile apps to expand payment channels and improve transaction flows, created Spring Boot applications in Java, integrated external web services with the payment system, and developed an AngularJS app for transaction reporting.
Mobile App Developer (Android and iOS) at Vanguard Assurance Company Limited
December 31, 2018 - August 27, 2025
Developed the world's first Digital Fire Insurance app and Ghana's first Digital Motor Insurance app, boosting insurance sales and expanding payment channels by publishing mobile apps for Android and iOS.
Android Developer at IT Consortium
December 31, 2017 - August 27, 2025
Contributed to the development of the Chango app, an innovative group fund mobilization and crowdfunding solution in Ghana, achieving over 10,000 downloads on Google Play Store.
Senior Software Engineer - Head of Mobile Computing at Origgin Limited
December 31, 2016 - August 27, 2025
Developed desktop applications with JavaFX, built web services using PHP, created native mobile applications for Android and iOS, and provided training to subordinates in mobile and web application development.

Education

BSc. Chemical Engineering at Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
January 1, 2004 - January 1, 2008
Post Graduate Diploma in Advanced Computing (PG-DAC) at Centre For Development of Advanced Computing (C-DAC), Pune, India
January 1, 2013 - January 1, 2014

Qualifications

Associate Cloud Engineer - Google Africa Developer Scholarship (GADS)
January 1, 2021 - December 31, 2022
Associate Android Developer - Google Africa Developer Scholarship (GADS)
January 1, 2020 - December 31, 2021

Industry Experience

Financial Services, Software & Internet

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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