I'm an efficient and reliable Software Engineer with over 5 years of experience building scalable web platforms across fintech, healthtech, AI, and marketplace ecosystems.
I specialize in React, Next.js, and TypeScript, with strong expertise in performance optimization, scalable UI systems, and product-driven engineering. I enjoy architecting frontend systems from zero to scale, integrating secure payment systems, and aligning technical solutions with real business outcomes.
• 📍 Based in Lagos, Nigeria
• 📫 Contact: josiahdavid111@gmail.com
• 🚀 Open to collaboration on impactful projects
• 🧠 Passionate about scalable architecture, performance, and developer experience
• 👨🏫 Founder of Pedagon Academy, mentoring engineers and designing scalable learning infrastructure
React, Next.js, JavaScript (ES6+), TypeScript, Tailwind CSS, Bootstrap, Material UI
Redux Toolkit, React Query, Zustand, Recoil
Node.js, Express.js, REST APIs, GraphQL
MongoDB, MySQL, Prisma ORM
React Native, Flutter (basic)
Git, GitHub, GitHub Actions, Docker, CI/CD, Vercel, Netlify, Firebase, Postman, Storybook, Figma, Notion
Jest, React Testing Library, Cypress, Playwright
AWS (EC2, S3, Amplify), DigitalOcean, Firebase
Performance Optimization, Core Web Vitals, Accessibility (WCAG), Micro Frontends, Design Systems
Aug 2023 – Jan 2025
• Architected and developed the FirstBank Internet Banking Platform using React, RTK Query, and Tailwind.
• Built a Back-Office application used by bank officers to manage transfers, bills, authentication, and customer services.
• Implemented secure data handling and optimized performance for thousands of daily users.
• Collaborated with backend and infrastructure teams to integrate with core banking systems.
2025
• Designed structured listing systems and AI-assisted buyer workflows.
• Implemented secure payment integrations and API communication layers.
• Built multi-tenant dashboards serving thousands of users.
• Implemented scalable state management that reduced UI re-render overhead by 35%.
May 2024 – May 2025
• Built scalable interfaces using React, Next.js, and Tailwind CSS.
• Created a reusable TypeScript design system, reducing duplication by 40%.
• Improved performance by 65%, reducing load time by 3.2 seconds.
• Implemented React Query caching improving load speed by 40%.
• Integrated Stripe payments and CI/CD pipelines.
Aug 2021 – May 2023
• Built React dashboards for monitoring and security analytics systems.
• Developed reusable component libraries and RBAC workflows.
• Integrated REST and GraphQL APIs using Axios and Apollo Client.
• Built advanced data visualizations using Chart.js and Recharts.
Apr 2019 – Jun 2021
• Built enterprise dashboards for data visualization systems.
• Developed admin tools for KYC management and access logs.
• Integrated Express.js APIs with MongoDB and MySQL.
• Automated deployments using Docker and CI/CD pipelines.
PowerBIM – Digital Twin platform for industrial asset monitoring
Built real-time dashboards integrating IoT data streams.
Allarbitrates – Global dispute resolution platform
Developed scalable UI for arbitration case management.
Plural Health – HealthTech platform
Designed data visualization workflows for clinical processes.
Bulqpay – EU Payment Service Provider
Built secure omnichannel payment interfaces.
Adjunqy – AI-Powered Social Media Manager
Developed frontend architecture using React and OpenAI APIs.