Joseph Karikari
Accra
Summary
I'm a senior software developer with extensive experience in mobile app development. I possess a deep understanding of mobile web and web applications, frontend and backend design and systems optimization. With expertise in cross-platform development using Flutter, Swift, Kotlin, I create cutting-edge solutions that yield exceptional interfaces. I am skilled in performance optimization techniques to deliver high-speed and efficient applications. I thrive in collaborative environments that foster cross-functional efficiencies.
Overview
7
7
years of professional experience
Work History
Snr. Mobile Developer
SoftDeb
Kumasi, Ashanti, Ghana
12.2021 - Current
- Led end-to-end development of the GCERES web and mobile platforms, enabling employees and jobseekers to log and track workplace complaint systems.
- Designed and optimized dashboards and schemas to support high-quality issue records and reporting capabilities.
- Partnered with representatives from the Ministry of Labour and Employment Relations to create policy requirements and user documentation.
- Facilitated scrum reviews, mentored junior engineers, and championed clean-code and agile practices.
Snr. Flutter Developer | Contract
Techspace Solutions
North Brunswick Township, NJ, United States
10.2022 - 02.2023
- Architected and implemented multiple Flutter applications using the MVVM pattern and patterns, ensuring efficient organization of clean and maintainable code.
- Conducted comprehensive unit and UI testing to proactively identify and address issues, thereby improving the overall performance and user experience.
- Successfully enhanced the application architecture to meet specifications without compromising functionality and memory efficiency.
- Implemented secure RESTful APIs to seamlessly fetch and exchange data with backend services, optimizing the integration and functionality of the applications.
- Led the successful deployment of mobile apps on both Google Play Store and App Store, ensuring adherence to entire publishing processes to ensure successful and timely releases.
Flutter Developer | Remote
Fully Coder LLC
San Francisco, CA, United States
06.2022 - 02.2023
- Spearheaded the development of three Flutter projects, delivering outstanding performance, scalability, and achieving high levels of user satisfaction.
- Worked with a diverse range of clients, including top-tier companies in the tech industry: Mobium, Discord, Telegram, TikTok, and Google, to deliver an exciting and engaging user experience.
- Implemented a robust and scalable architecture, ensuring the application is extendable and maintainable.
- Developed user-friendly, fast, and seamless integrations to create a user-friendly and visually appealing interface.
- Collaborated with cross-functional teams, providing technical expertise and guidance throughout the application development lifecycle.
- Successfully published multiple apps on Flutter stores to cater to diverse user needs, including the App Store and the Google Play Store.
Flutter Developer | Remote
Nearline Technologies LLC
Accra, Greater Accra, Ghana
01.2021 - 06.2022
- Developed and implemented robust and user-friendly mobile applications.
- Implemented features like data storage and authentication, ensuring secure user authentication and data exchange.
- Conducted comprehensive unit and UI testing.
- Managed remote configuration features to adapt app behavior without the need for updates.
- Implemented and maintained Continuous Integration/Continuous Deployment (CI/CD) pipelines.
ICT Coordinator
Ghana Education Service, Akrofrom
Akrofrom, Ashanti, Ghana
09.2019 - 09.2021
- Providing training for teachers and education officers to equip them with basic ICT skills.
- Collaborating with headteachers, private organizations, and NGOs on IT-related projects.
- Collecting, analyzing, managing and maintaining accurate and up-to-date data for schools and teachers.
- Ensuring the smooth running of ICT equipment and systems.
Snr. Mobile Developer
Riddlefox Ltd.
Kumasi, Ashanti, Ghana
07.2018 - 07.2021
- Mentoring and training junior developers on best practices, state management and performance optimization.
- Led development of a mobile project as the Lead Developer, successfully managing a team of 8 developers. Ensured on-time delivery and met all project requirements.
- Implemented 'dark mode' as a core functionality into the application, supporting a global community of users.
- Designed and implemented Cloud Storage (MongoDB) features to manage user-generated content. Push notifications messaging (FCM) to ensure seamless communication and push notifications.
- Implemented real-time tracking and transparent pricing features to enhance the overall user experience.
- Designed and implemented a secure cashless payment system for a hassle-free transaction process.
Systems Administrator
Ghana Architectural and Construction Ltd
Kumasi, Ashanti, Ghana
11.2018 - 03.2020
- Designed, developed, and launched an educational app tailored for children with autism, dyslexia, and related conditions using Kotlin, Android SDK and Java.
- Implemented mobile solutions on mobile devices to ensure seamless user experience.
- Developed an IoT Security surveillance library, from concept to completion through to deployment, enabling the delivery of Android applications available on Google Play.
- Integrated open-source APIs including Twitter and Facebook.
Education
Bachelor's Degree - Information Technology Education
University of Education, Winneba
07.2019
Skills
- Flutter and Dart
- Swift
- Java
- Nodejs
- PHP & MySQL
- API Integrations
- CI/CD Pipeline
- Unit and UI Testing
- Nextjs
- AWS
- Git
- MongoDB
References
Stephen Jobson, Mitchual, Professor, sjmitchual@uew.edu.gh, sjmitchualmitchual@gmail.com, University of Education, Winneba, Vice-Chancellor
Timeline
Snr. Flutter Developer | Contract
Techspace Solutions
10.2022 - 02.2023
Flutter Developer | Remote
Fully Coder LLC
06.2022 - 02.2023
Snr. Mobile Developer
SoftDeb
12.2021 - Current
Flutter Developer | Remote
Nearline Technologies LLC
01.2021 - 06.2022
ICT Coordinator
Ghana Education Service, Akrofrom
09.2019 - 09.2021
Systems Administrator
Ghana Architectural and Construction Ltd
11.2018 - 03.2020
Snr. Mobile Developer
Riddlefox Ltd.
07.2018 - 07.2021
Bachelor's Degree - Information Technology Education
University of Education, Winneba