Available to hire
Hi, I’m Green Onyeji, a Senior Flutter Engineer, Project Manager, and Mobile Architect based in Abuja, Nigeria. I design, build, and lead secure, scalable mobile applications that align technology with business goals, and I enjoy mentoring engineers and guiding cross-functional teams toward high-quality outcomes.
Over the past 6+ years, I’ve contributed to cross-platform solutions, led architecture decisions, and championed best practices to reduce release cycles and improve user experience. I’m passionate about crafting digital products that make an impact and bridging the gap between tech and business.
Skills
Language
English
Fluent
Igbo
Fluent
French
Beginner
Work Experience
Junior Mobile Engineer at AFEX Commodities Exchange Ltd
December 31, 2020 - October 15, 2025Developed core features for Work Bench and Com X, improving UI responsiveness. Automated testing with widget/integration tests, reducing error rates by 90%. Integrated APIs, backend services, and notifications to enhance engagement.
Senior Mobile Engineer at AFEX Commodities Exchange Ltd
September 30, 2022 - October 15, 2025Led the development of enterprise Flutter applications for trading, logistics, and payments. Created a design system that improved UI consistency and cut design iteration time by 50%. Championed best practices, defined CI/CD pipelines reducing release cycles by 40%. Mentored and upskilled a team of mobile engineers through structured training and performance reviews.
Senior Mobile Engineer at AFEX Commodities Exchange Ltd
October 1, 2022 - PresentLed ongoing development of enterprise Flutter apps; collaborated with product, design, and backend teams; improved UI consistency and performance; implemented robust CI/CD pipelines, and mentored engineers.
Education
Bachelor of Technology, Information & Media Technology at Federal University of Technology, Minna, Niger State
October 1, 2010 - October 1, 2015Bachelor of Technology in Information & Media Technology at Federal University of Technology, Minna
October 1, 2010 - October 1, 2015Technology Leadership Program at Haas School of Business, University of California, Berkeley
October 1, 2023 - April 1, 2024Qualifications
Technology Leadership Program, Haas Business School, University of California, Berkeley
October 16, 2023 - April 16, 2024Leadership Principles, Havard Business School Online
March 1, 2023 - May 24, 2023Industry Experience
Agriculture & Mining, Financial Services, Software & Internet, Transportation & Logistics, Wholesale & Distribution, Professional Services, Media & Entertainment, Telecommunications, Other
Skills
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