Kingsley Okeze

Full-Stack Engineer | React, Node.js, React Native, Typescript, MongoDb | Building Ai-powered products | Built 15+ production apps reducing manual work by 50%

Nigeria

About

I’ve contributed to 15+ production systems across SaaS, ecommerce, and automation-focused platforms, helping reduce manual operations by up to 50% and improve performance across user-facing applications. I’m a Software Engineer with experience building and deploying scalable web and mobile applications, with a strong focus on backend architecture and AI integration. My work spans Node.js backends, React and React Native applications, cloud deployment, and Ai/LLM-powered features including orchestration workflows and vector-based retrieval systems. I focus on writing maintainable, scalable code and collaborating effectively within cross-functional teams to ship reliable products. Open to opportunities where I can contribute to building robust, production-grade systems and continue growing as an engineer.

Experience

  • Full-Stack Mobile App Engineer at Ferify
    Sep 2025 - Mar 2026 · 7 mos

    • Built a real-time transit fare verification platform used by 1,000+ daily commuters across 100+ routes, reducing passenger overcharging by 85% through crowdsourced fare validation. • Engineered a scalable backend with Node.js, Socket.io, and Redis to process 10,000+ monthly fare queries while maintaining low-latency real-time updates. • Developed the cross-platform mobile app with React Native, implementing route discovery, fare reporting, and a gamified rewards system that increased user engagement by 40%. • Designed a community-driven data model that ensured high fare accuracy and improved trust in shared transport pricing.

  • Team Lead at Crea8genius Technologies
    Mar 2025 - Aug 2025 · 6 mos

    As a 𝗳𝗼𝗿𝘄𝗮𝗿𝗱-𝘁𝗵𝗶𝗻𝗸𝗶𝗻𝗴 software agency, I lead the technical direction and execution of multiple web and mobile projects that help businesses launch faster, operate smoother, and scale confidently. In my role, I: → 𝗟𝗲𝗮𝗱 𝗮 𝗰𝗿𝗼𝘀𝘀-𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝗮𝗹 𝘁𝗲𝗮𝗺 of developers, designers, and product collaborators to deliver high-performing applications with 95%+ on-time delivery. → 𝗦𝗽𝗲𝗮𝗿𝗵𝗲𝗮𝗱 𝗳𝘂𝗹𝗹-𝗰𝘆𝗰𝗹𝗲 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 (architecture → development → deployment) across 𝗰𝗹𝗶𝗲𝗻𝘁 𝗮𝗻𝗱 𝗶𝗻𝘁𝗲𝗿𝗻𝗮𝗹 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀, including web & mobile apps, admin dashboards, and enterprise tools. → 𝗧𝗿𝗮𝗻𝘀𝗹𝗮𝘁𝗲 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀 𝗶𝗻𝘁𝗼 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀, guiding founders and non-technical stakeholders from concept to production. → 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗯𝗲𝘀𝘁 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀 - Git workflows, CI/CD pipelines, automated builds, and agile sprints, to keep releases fast, stable, and predictable. → 𝗢𝘃𝗲𝗿𝘀𝗲𝗲 𝗰𝗼𝗱𝗲 𝗿𝗲𝘃𝗶𝗲𝘄𝘀, 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝘁𝘂𝗻𝗶𝗻𝗴, 𝗮𝗻𝗱 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁𝘀, ensuring products remain maintainable, scalable, and production-ready. Tech Stack: React.js, React Native, Node.js, MongoDB, Express.js, Firebase, Docker, GitHub, REST APIs, Vercel, and more. Key Highlights: → EdTech Platform for Exam Prep: Built a student web app + admin dashboard to help students find curated study materials and past questions. Impact: Boosted student engagement by ~40% and reduced admin content management effort by 50%. → WhatsApp Reminder Automation System for SMEs: Developed a WhatsApp-based reminder service to replace traditional email follow-ups. Impact: Tripled customer response rates and reduced missed appointments/payments by ~35%. My goal is not just to build software, but to build 𝗶𝗺𝗽𝗮𝗰𝘁𝗳𝘂𝗹 𝘁𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝘁𝗵𝗮𝘁 𝗱𝗿𝗶𝘃𝗲𝘀 𝗺𝗲𝗮𝘀𝘂𝗿𝗮𝗯𝗹𝗲 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗴𝗿𝗼𝘄𝘁𝗵.

  • Full Stack Developer at Dman Officials
    Oct 2024 - Feb 2025 · 5 mos

    Developed a 𝗰𝗼𝗺𝗽𝗿𝗲𝗵𝗲𝗻𝘀𝗶𝘃𝗲 𝗲-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 for Dman Officials, which included both a customer-facing application and an administrative panel. My role involved taking the project from concept to launch, focusing on creating a 𝘀𝗲𝗮𝗺𝗹𝗲𝘀𝘀 𝘂𝘀𝗲𝗿 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 and a 𝗿𝗼𝗯𝘂𝘀𝘁 𝗯𝗮𝗰𝗸𝗲𝗻𝗱 𝘀𝘆𝘀𝘁𝗲𝗺. Key Highlights: → 𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 (𝗥𝗲𝗮𝗰𝘁, 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗠𝗼𝗻𝗴𝗼𝗗𝗕): Engineered a secure, scalable online store with intuitive product discovery, streamlined authentication, and multi-step checkout. Impact: Supported hundreds of daily users and reduced cart abandonment by ~20%. → 𝗔𝗱𝗺𝗶𝗻 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱: Built a robust admin panel enabling real-time order tracking, inventory management, and coupon creation. Impact: Gave the client full operational control, cutting manual order handling by ~50%. → 𝗘𝗻𝗱-𝘁𝗼-𝗘𝗻𝗱 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆 & 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁: Managed design, architecture, development, and deployment on Vercel, ensuring fast, mobile-responsive performance and reliable uptime. 𝗥𝗲𝘀𝘂𝗹𝘁: Delivered a 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆, 𝗳𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻 that drives business growth, enhances customer experience, and showcases expertise in 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗠𝗼𝗻𝗴𝗼𝗗𝗕, 𝗘𝘅𝗽𝗿𝗲𝘀𝘀.𝗷𝘀, 𝗮𝗻𝗱 𝘄𝗲𝗯/𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁.

  • Siwes Intern at HiiT Plc
    May 2023 - Sep 2023 · 5 mos

    During my SIWES (Student Industrial Work Experience Scheme) internship at HIIT Plc, I gained hands-on experience in Ethical Hacking and Computer Networking. I was introduced to various cybersecurity concepts, tools, and techniques used to identify and secure system vulnerabilities. I also worked on practical networking setups, including configuring routers, switches, and managing LAN/WAN connections. This experience helped me build a strong foundation in cybersecurity and networking principles, while also improving my technical troubleshooting and teamwork skills.