Tolu Okunjoyo

Frontend Engineer

Summary

Frontend Engineer with 4 years of experience building complex web applications with real-time features, AI integrations, and third-party SDK implementations. Specialized in architecting and delivering production features including video conferencing systems, social media platforms, fintech invoicing tools, and e-commerce marketplaces using React, TypeScript, and Next.js. Proven track record of independently building and shipping customer-facing products from requirements to deployment. Strong problem-solver who researches and implements complex SDKs without heavy oversight, optimizes application performance, and delivers scalable solutions that serve live users.

Technical Skills

Core Technologies:
React 18React NativeNext.jsExpoTypeScriptJavaScript (ES6+)HTML5CSS3
Styling & UI:
TailwindCSSChakra UIMaterial UIShadCNStyled ComponentsSCSSRWDMobile-First Design
Data Visualization:
RechartsChart.jsInteractive Dashboards
Real-Time & APIs:
WebSocketsRESTful APIsWebRTCReal-Time Data ExchangeSupabase
State Management:
Redux ToolkitTanStack QueryMobXContext API
Testing & Quality:
JestReact Testing LibraryCypressPlaywrightDRY/SRP/SOLID
Tools & Workflow:
GitGitHubFigmanpm/Node.jsGitHub CopilotAgile/ScrumTurborepo
Performance & Accessibility:
Code-SplittingLazy LoadingCore Web VitalsWCAGARIA

Experience

Frontend Engineer

June 2024 - Present

Qudra Technologies

  • Implemented real-time communication systems using WebSockets for instant messaging and live video conferencing, handling bidirectional data, connection states, and reconnection across multiple concurrent users
  • Integrated Daily SDK with WebRTC for video conferencing, including screen sharing, participant controls, and connection quality monitoring for the Doron mentorship platform
  • Developed post-session workflows including call recordings, synchronized transcript playback, and AI-generated session summaries
  • Built Qorepay, a production fintech invoicing platform integrating third-party SDKs for B2B/B2C invoice management, payment processing, and financial workflows serving live customers
  • Designed interactive data visualization dashboards using Recharts with real-time updates and user-driven filtering optimized for mobile-first audiences
  • Developed e-commerce landing pages for Zeefarh with dynamic product displays and conversion-focused layouts
  • Built AI-powered education features including chat interfaces, personalized learning guidance, text summarization, and flashcard generation
  • Architected a social media feed system with real-time posts, stories, likes, comments, and media uploads using React Query for optimistic updates
  • Created a reusable component library with TailwindCSS and ShadCN/UI following atomic design principles
  • Built MyStack, a monorepo with vendor and customer apps enabling multiple vendors to manage storefronts and process purchases
  • Mentored two frontend interns, establishing coding standards that improved team-wide code quality by 50%

Frontend Engineer / Associate Product Manager

Feb 2022 - Apr 2024

Ajeoba Agro-Exchange

  • Built customer-facing e-commerce platform with dynamic product listings, shopping cart, and checkout flow integrated with multi-role marketplace serving farmers, logistics providers, and corporate buyers
  • Optimized application performance achieving 40% improvement in Core Web Vitals through code-splitting, lazy loading, image optimization, and bundle size reduction
  • Implemented responsive web design using CSS Grid, Flexbox, and mobile-first approaches across desktop, tablet, and mobile
  • Bridged communication between engineering, design, and business teams as Associate Product Manager, translating product requirements into technical specifications and delivering features on schedule

Projects

Built a personal finance monorepo using Turborepo with two Next.js apps — a user dashboard and an admin portal — sharing a component library, types, and utilities across packages. Implemented Supabase auth with RLS, transaction tracking, budget management, Recharts analytics, and an admin portal for platform-wide user and transaction management.

Next.jsTurborepoSupabaseTypeScriptTailwind CSSFramer MotionRecharts

Full-stack tech news platform demonstrating all Next.js rendering strategies (SSG, ISR, SSR, PPR, CSR) with Supabase auth, real-time likes and comments, bookmarks, reading history, and a personalised dashboard.

Next.jsSupabaseTypeScriptTailwind CSSPostgreSQL

A responsive agri-marketplace with reusable product cards, category and rating filters, and skeleton loaders to simulate async data fetching and real marketplace behavior.

ReactTailwind CSS

A fintech-style user management dashboard displaying users, loans, savings, and transaction data with detailed views, filtering, and authentication.

TypeScriptNext.jsSCSS

An assessment dashboard displaying users heart history data with interactive charts, data tables, and filtering for complex data visualization.

ReactTailwind CSSChart.js

A URL shortener application that allows users to shorten long URLs into manageable links with Firebase as the backend.

TypeScriptReactFirebase

A high-conversion marketing landing page focused on clear information hierarchy, accessibility, and conversion-oriented layout.

ReactTailwind CSS

Education

Diploma in Frontend Engineering

Altschool Africa

June 2023

Laptop for Developers Internship

DevCareers

Oct - Dec 2023

BSc Industrial Chemistry

Obafemi Awolowo University, Nigeria

January 2022