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Emeka Manuel

@emekamanuel

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Frontend Engineer with 7+ years building React & TypeScript products for fintech-scale teams.

Nigeria

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What I'm looking for

I’m looking for Senior Frontend Engineer / React Engineer roles in fintech or scalable web applications, where I can deliver high-impact UI, improve performance and reliability, and work in a strong CI/CD and quality-gated engineering culture.

I’m a result-driven Frontend Engineer and software architect with 7+ years of experience building React.js and full-stack solutions. I focus on shipping high-impact interfaces for scalable web applications, especially in fintech.

In my work, I’ve delivered products serving 20,000+ users and processing $200M+ in transactions, trusted by teams including Union Bank, Unity Bank, FCMB, Mobil, Dominos, Nipco, and others. I also created the sentinelx404 NPM package, reaching 1,000+ downloads.

Recently, I built and maintained enterprise legal AI workflow features at SQUE using Next.js, React, and TypeScript in a Turborepo + pnpm monorepo, with Feature-Sliced Design. I shipped complex product areas (billing, workflows, notifications, mission control UI) and maintained code quality through mature CI/CD culture, including lint/typecheck, Snyk, SonarCloud, and PR quality gates.

Earlier, as a founding Frontend Engineer at PREPNOURISH, I reduced page load times by 45% and improved retention by 22% through code splitting, lazy loading, and React Query caching. Across roles like NORRA, PLAYLABS, and TRUCKDISPATCH, I’ve consistently strengthened reliability, performance, and maintainability—while collaborating closely with designers in Agile workflows and contributing to open source (including Solana Foundation).

Experience

Work history, roles, and key accomplishments

Frontend Engineer

Sque

Oct 2025 - Apr 2026 (6 months)

Built and maintained features for an enterprise legal AI workflow product using Next.js, React, and TypeScript in a Turborepo/pnpm monorepo with feature-sliced design. Shipped billing and workflow-related areas and maintained CI/CD quality gates using tooling like Snyk and SonarCloud.

Next.js React TypeScript TurboRepo Pnpm Tanstack Query Zustand NextAuth Vercel CI CD Snyk SonarCloud Conventional Commits

Frontend Engineer (Founding)

Prepnourish

Dec 2024 - Dec 2025 (1 year)

Delivered end-to-end customer experience for a meal plan startup using React, Next.js, and TypeScript with a focus on performance and mobile responsiveness. Improved load times using code splitting, lazy loading, and React Query caching, and built a scalable catalogue with filtering and search.

React Next.js TypeScript Lazy Loading React Query Performance Optimization Responsive Design Filtering MongoDB

Frontend Developer

Locale

Oct 2024 - Dec 2025 (1 year 2 months)

Built and maintained high-performance web application features using Next.js and TypeScript, including server-side rendering and static generation. Developed reusable UI component systems with Tailwind CSS and Radix UI and integrated UI with REST APIs using TanStack Query and Zustand.

Next.js TypeScript Server Side Rendering Tailwind UI Radix UI Components REST APIs Tanstack Query Zustand Error Boundaries

Technical Contributor

Good Dollar Protocol

Apr 2025 - Sep 2025 (5 months)

Contributed merged pull requests improving UI/UX, wallet integration, and donation flow transparency for a Web3 protocol focused on universal basic income.

Donation Flow

Technical Contributor

Solana Foundation

Aug 2024 - Nov 2024 (3 months)

Enhanced developer documentation for Solana's dApp toolkit using Web3.js and React integration examples. Improved new developer onboarding time by updating documentation with clearer integration guidance.

Web3.js React Developer Documentation Technical Writing

Frontend Engineer (Web & Mobile)

Norra

May 2022 - Apr 2023 (11 months)

Contributed to a scalable React/TypeScript frontend with a focus on component modularity and SOLID architecture principles. Improved reliability using React Query and Axios and enhanced maintainability with error boundary implementation and modular component architecture.

React TypeScript SOLID Principles React Query Axios Error Boundaries CI CD

Frontend Developer

Playlabs

Jan 2022 - Apr 2022 (3 months)

Led frontend development of a Next.js web application (MegaWin), delivering responsive and high-performance UI across multiple screen sizes and browsers. Architected a reusable component library and drove state-management and REST API integration patterns, while owning code quality processes like linting and documentation.

Next.js TypeScript React Hook Form Zustand Redux API Integration Linting Documentation UI Components

Frontend Engineer

Truckdispatch

May 2020 - Dec 2021 (1 year 7 months)

Launched a logistics platform using React, Next.js, Redux, and a Node.js/Express backend with MongoDB integration. Reduced initial load time through code splitting, lazy loading, and bundle optimization, and streamlined onboarding by creating architecture documentation and coding standards.