John Fidelis

Sole frontend developer at Tsogolo, owning architecture, UI/UX Implementation, and tooling decisions end to end. Leading a data-bridge analytics dashboard for a Vodacom, turning high-volume data into clear, performant interfaces. Solo-built the entire enterprise frontend for Technishen.com, Tsogolo's internal service-management platform, including ATS, video conferencing, and real-time dashboards. Partner directly with product and design as the team's frontend authority.

Technology Lead of a multi-developer team spanning frontend, backend, and mobile across concurrent client engagements for SMEs and startups in e-commerce, fintech, education, logistics, and marketplaces. Owned architecture and stack decisions from scoping to launch, wrote and reviewed code, and mentored developers. Directed AI feature builds including an AI-driven recruitment ATS, a customer-facing chatbot, and financial data analysis tools. Managed client relationships personally.

Key technical player on a small team building an AI-powered writing assistant on OpenAI's API. Took primary ownership of the web (React) and mobile (Ionic) frontend, shipping AI paraphrasing, summarization, content detection, and long-form story tools. Integrated OpenAI's API into a production full-stack app, handling prompt design, response streaming, and state management for a real-time experience, acting as the team's frontend and integration reference point.

Brought in as an external specialist after Budova's internal team, with no documentation or AI tooling available, couldn't solve a specific challenge: displaying and converting Autodesk 3D construction models (SVF/SVF2) in a web app. Corresponded directly with Autodesk's engineers for undocumented guidance and built a working conversion and rendering pipeline. The client considered a full-time offer, but paused operations as the war in Ukraine began impacting the business.

Frontend Developer, Tutor & Intern at this Nigerian innovation hub for three years, collaborating within cross-functional teams to build client solutions across fintech, edtech, and e-commerce. Progressed from beginner to mentor, tutoring junior developers as they built skills and contributed to live client projects. Co-founded Styley, a fashion-tech startup incubated within the lab from 2020 to 2022, gaining early exposure to product development and building a company from scratch.