Celestine is Senior Technical Consultant at Andela, a platform that selects the top 1% of tech talent from Africa. Previously he worked at Konga where he led a team of engineers that built the Konga platform, an $80M e-commerce marketplace. Celestine is actively involved in building the tech ecosystem in Africa, having convened the GitHub meetups in Lagos and Accra. He also volunteers to train young engineers through platforms like Ruby Girls, Google Developer Group and Google DevFest. He was also the founding manager of Google Developer Group in Cross River state, Nigeria. Celestine is the lead developer and maintainer of the NSEFinance, an experimental API for the Nigerian Stock Exchange.