Available to hire
I’m Valentine Ubalu, a full stack mobile developer with a strong track record in cross-platform app development. I thrive on turning complex ideas into clean, scalable software using Flutter and Dart, and I enjoy collaborating with designers and stakeholders to ship high-quality mobile apps.
When I’m not coding, I mentor teammates, explore UX improvements, and keep learning about the latest tech trends in AI, data, and cloud services. I’m passionate about building products that empower communities and deliver real value.
Experience Level
Language
English
Advanced
Work Experience
Freelance Full Stack Mobile Developer at Self-employed / Freelance
March 1, 2025 - PresentLead the development of complete projects from start to finish, translating client ideas into production-ready applications deployed on App Store and the web. Notable projects include Valuba.ai, SafeGuard.ai, Valuba Global Research & Ecosim, Air Time Puzzle, MyfactCheck AI, and a WhatsApp Birthday Reminder Bot.
Senior Mobile Developer at Biz Connect2 4
January 1, 2023 - PresentLed the development of cross-platform native Android and iOS applications for a marketplace platform connecting immigrant entrepreneurs with their communities and customers. Collaborated with designers to translate UI/UX into functional code and integrated with backend services and APIs.
Education
Bachelor's Degree, Computer Science (2.1 Hons) at Nnamdi Azikiwe University
January 1, 2006 - January 1, 2010Masters in Flutter Development, Computer Software Engineering at Udemy
January 1, 2022 - January 1, 2023Certificate in Entrepreneurial Management at Pan Atlantic University, Lagos Business School
January 1, 2014 - January 1, 2015Qualifications
Certificate in Entrepreneurial Management
January 1, 2014 - January 1, 2015Industry Experience
Software & Internet, Professional Services, Education
Experience Level
Hire a Full Stack Developer
We have the best full stack developer experts on Twine. Hire a full stack developer in Lagos today.