Segun Ojo

Lead Frontend Engineer | React & Next.js Dev | Mobile developer

Lagos, NG.

About

Highly accomplished Lead Frontend Engineer with over 4 years of experience specializing in scalable web applications and AI-integrated product development. Proven leader in technical initiatives, delivering high-impact production applications, and mentoring junior developers. Expert in React, Next.js, and TypeScript, with deep proficiency in performance optimization, system design, and user-focused architecture, including founding and technically leading an AI-powered EdTech platform serving thousands of students.

Work

Famous Holdings

|

Frontend Engineer

Lagos, Lagos, Nigeria

→

Summary

Developing production-grade frontend applications for a fast-growing financial services company, architecting scalable UI components and optimizing user-facing features for enterprise clients.

Highlights

Redesigned and rebuilt 3 critical dashboard components, boosting user engagement by 45% and decreasing average page load time from 4.2s to 1.8s (57% improvement).

Implemented a comprehensive form validation system across 3+ forms, reducing client-side errors by 50% and improving data submission success rate to 98%.

Integrated payment gateway APIs (Flutterwave, Stripe) handling 500+ daily transactions with 99.8% uptime, ensuring robust financial operations.

Clark

|

Lead Frontend Engineer

Remote, Remote,

→

Summary

Founded and technically led Clark, an AI-powered EdTech platform transforming academic content interaction for thousands of students.

Highlights

Architected and built the entire frontend from scratch using Next.js, TypeScript, and Tailwind CSS, delivering a robust AI-powered learning platform.

Designed and implemented real-time collaboration features, enabling shared notes, Q&A, and AI-powered explanations for 1000+ active users.

Led all frontend technical decisions, including state management, OpenAI API integration, and performance optimization, reducing initial load time by 45% through strategic code splitting and lazy loading.

Mentored 2 junior developers on React best practices, TypeScript patterns, and component architecture, fostering their growth to mid-level engineers.

Implemented comprehensive error handling, analytics tracking, and user feedback loops to drive iterative product improvements based on real user data.

Crystal Edtech

|

Frontend Engineer

Remote, Remote,

→

Summary

Spearheaded development of dynamic, responsive web applications using Next.js 14+ and TypeScript, delivering polished user experiences across web and mobile platforms.

Highlights

Collaborated with the design systems team to establish a reusable component library with Tailwind CSS and Radix UI, enhancing development velocity by 30% across teams.

Optimized application performance through strategic code splitting, memoization, and image optimization, consistently maintaining Core Web Vitals scores above 90 across all products.

Partnered closely with backend engineers and product managers to implement complex features including real-time data synchronization, payment processing, and advanced filtering systems.

Conducted rigorous code reviews and established frontend best practices, ensuring high code quality and architectural consistency across the team.

Tecohol

|

Frontend Engineer (Contract)

Remote, Remote,

→

Summary

Developed and maintained responsive web applications using React and TypeScript, implementing pixel-perfect designs from Figma mockups for client-facing solutions.

Highlights

Optimized component rendering and bundle size, reducing main.js size by 35% through intelligent code splitting and tree-shaking techniques.

Implemented advanced form validation, error handling, and accessibility features (WCAG 2.1 AA compliance) across customer-facing applications.

Collaborated with the backend team to design and consume REST APIs, effectively handling edge cases and implementing retry logic for robust data fetching.

HNG Internship

|

Frontend Developer Intern

Remote, Remote,

→

Summary

Contributed to the Zuri portfolio app, collaborating with 15+ developers across frontend, backend, and design teams in a fast-paced 8-week intensive program.

Highlights

Built responsive components using TypeScript, Next.js, and Tailwind CSS, implementing complex UI requirements and animations with React Framer Motion.

Integrated backend APIs and optimized data fetching patterns, implementing proper error boundaries and loading states for improved user experience.

Recognized among the top 400 out of 22,000 participants for exceptional performance and technical contributions across multiple sprint cycles.

Education

Lagos State University

Lagos, Lagos, Nigeria
→
Bsc. Computer Science Grade:

ALX

, ,
→
Certification Software Engineering Grade:

Courses

Full-stack development

Algorithms

Data structures

System design

Awards

A2SV Hackathon Finalist - Top 8 out of 1000+

Africa to Silicon Valley (A2SV)

Ranked among the top 8 teams in a prestigious AI-focused hackathon, competing against 1000+ participants, demonstrating advanced technical skills.

1st Place - Hult Prize (Local Competition)

Hult Prize

Co-founded Konsume and secured the top spot in a campus entrepreneurship competition, showcasing innovation and business acumen.

Cavista Hackathon Winner

Cavista

Awarded for exceptional project quality in a competitive 48-hour hackathon event, demonstrating rapid development and problem-solving skills.

3rd Place - Datican Hackathon

Datican

Finished in the top 3 in a competitive hackathon, demonstrating strong technical execution and effective team collaboration under pressure.

HNG Top 400 Finalist

HNG Internship

Recognized among the top 400 out of 22,000 participants in one of Africa's largest developer internship programs, highlighting exceptional technical skills and work ethic.

Publications

Featured in Businessday.ng for Web Development & AI Innovations

Businessday.ng

Article by Ifeoma Okeke-Korieocha highlighting Konsume's emergence as a winner in web development and AI innovations.

Featured in techonomy.ng for Web Development & AI Innovations

techonomy.ng

Article by Destiny Eseaga detailing Konsume's success in generative AI and network gain.

Building a Personalized Recommendation System Using Machine Learning

Medium

An in-depth technical guide on implementing recommendation systems with machine learning, demonstrating knowledge sharing and thought leadership in the engineering community.

Languages

English

Yoruba

Certificates

ALX Software Engineering

ALX

Skills

Frontend Frameworks & Libraries

React, Next.js 13+, TypeScript, Tailwind CSS, Radix UI, Shadcn/ui.

State Management & Data Fetching

Zustand, TanStack Query (React Query), Redux, Context API, SWR.

Backend Integration & APIs

REST APIs, GraphQL, WebSockets, OpenAI API, Real-time synchronization.

Performance & Optimization

Core Web Vitals, Code Splitting, Lazy Loading, Image Optimization, Bundle Analysis.

Backend & Fullstack

Python, PostgreSQL, Firebase, Supabase, Neon Postgres, Drizzle ORM, Next.js.

Developer Tools & Practices

Git/GitHub, Vercel, CI/CD, Jest & React Testing Library.

Interests

Open Source Contribution

System Design & Scalability

Building AI-Powered Products

Projects

CosttrackPro

Summary

A financial management platform for tracking company expenses, managing revenue, and generating professional invoices, featuring real-time dashboards and financial analytics.

Rankr - Collaborative Ranking Platform

Summary

A full-stack social platform designed for settling debates through head-to-head ranking battles, featuring real-time vote counting and shareable battles.

Clark

→

Summary

An AI-powered learning platform that transforms how students interact with academic content, providing natural language processing, instant AI-powered explanations, and real-time collaboration features.

Konsume - AI Meal Recommendation Platform

→

Summary

An AI-powered personalized meal recommendation system that suggests meals based on users' health conditions, dietary goals, and allergies.