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John Njoku has a diverse work experience that spans various industries and roles. John began their career as a PC Technician Intern at Computrust Computer Institute, where they troubleshooted faulty computer hardware, installed software updates, and provided user support. After that, they worked as an FMCG Maintenance Trainee at Evans Medical Plc, where they installed and maintained production machines and equipment.

John furthered their technical expertise as an Installation Technician at 360 Engineering Ltd, where they designed and prepared Photovoltaic (PV) systems, attached panels to roofs or ground mounts, and connected systems to inverters. John then served as a Network Technician (NYSC) at Computrust Computer Institute, where they designed and installed computer networks, performed troubleshooting, and managed service desk support tickets.

John later joined Zenith Bank Plc as a POS Technical Support, providing network troubleshooting support for POS systems, performing diagnostic repairs, and supporting installation and troubleshooting of operating systems and applications. John then worked at topuniverse_africa as a Frontend Developer, assisting in creating landing pages, maintaining website experience, and collaborating with designers and project managers.

Prior to their current role, John was a Technical Support Advocate and later a Technical Lead at Tek Experts. In these positions, they provided inbound and outbound support services to customers, offered remote technical support for Microsoft applications, and served as the primary point of escalation to resolve complex technical cases.

Currently, John is employed as a Software Developer at SkillReactor, where they collaborate with a team to write maintainable code, updates website front and backend, develops web applications, and provides debugging and debugging services to clients. John also crafts intake forms using React.js and actively revamps projects to reduce the risk of security attacks.

Overall, John Njoku has a strong background in technical support, network troubleshooting, software development, and project management.

John Njoku has a diverse educational background. John holds a Master's degree in Big Data Science and Technology from the University of Bradford. Prior to obtaining their master's degree, they completed a Higher National Diploma (HND) in Electrical and Electronics Engineering from Yaba College of Technology in 2017. Before that, they earned an Ordinary National Diploma (OND) in Industrial Maintenance Engineering from the same institution in 2013.

John's high school education was completed at Kems College, where they obtained their West African Examinations Council Senior Secondary Certificate Examination (WAESSCE) from 2004 to 2010. John also completed their primary education at Emmanuel Children School from 1998 to 2003.

In addition to their formal education, John has obtained several certifications. These include a Masterschool's Intro to Programming TF101 from Udacity in April 2023, a Version Control certification from Meta in November 2022, and a Beginning with Me certification from Coursera in September 2022. John also earned certifications in Introduction to Front-End Development, Programming with JavaScript, and Frontend Engineer from different institutions in September and May 2022. Furthermore, John has acquired various technical certifications and trainings in areas such as troubleshooting PC issues, Windows administration, and Azure Active Directory.

It is worth mentioning that John has not provided specific information regarding the month or year of obtaining certifications related to their educational degrees (HND, OND, and WASSCE).