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Ewoma Ozore

@ewomaozore

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Frontend and mobile engineer at MTN Nigeria, supporting apps used by 1M+ customers across web and mobile.

Nigeria

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At MTN NIGERIA, I build and maintain React and React Native applications supporting 1M+ customers across web and mobile. I turn product requirements and Figma designs into responsive interfaces, integrate REST APIs, and improve performance through techniques such as lazy loading and rendering optimisation.

At JUSTRITE, I led development and modernisation of a React Native and Expo mobile application supporting 10,000+ daily user operations. I strengthened authentication and API workflows and introduced Jest unit and integration testing, contributing to a 60% reduction in production errors.

Experience

Work history, roles, and key accomplishments

Current

Lead Mobile Developer

Current

Justrite

May 2025 - Present (1 year 5 months)

Led development and continuous improvement of production-grade React Native and Expo applications, supporting 10,000+ daily user operations. Spearheaded modernization, implemented RESTful API integrations, and strengthened authentication flows.

React Native Expo REST APIs Authentication Authorization Jest Unit Testing Integration Testing Performance Optimization Code Review Debugging

Current

Senior Software Developer

Current

MTN Nigeria

Feb 2025 - Present (1 year 8 months)

Built and maintained production React and React Native applications supporting 1M+ customers across web and mobile platforms. Developed responsive interfaces, integrated REST APIs, and improved performance through lazy loading and state optimization.

React React Native TypeScript JavaScript React Hooks HTML5 CSS REST APIs Authentication Lazy Loading State Management Code Review Debugging Production Support

Current

Senior Frontend Engineer

Current

AB InBev

Jan 2024 - Present (2 years 9 months)

Developed scalable web applications using React, Next.js, TypeScript, and modern frontend architecture. Built customer-facing dashboards, improved performance with SSR and code splitting, and integrated REST APIs and authentication services.

React Next.js TypeScript JavaScript SSR Code Splitting Caching REST APIs Authentication Responsive Design Accessibility Code Review Testing

Lead Frontend Developer

SmallClosedWorld

Sep 2024 - Apr 2025 (7 months)

Led development of scalable React Native applications across multiple client and product requirements. Built reusable UI components, integrated RESTful APIs, and contributed to iOS and Android releases.

React Native JavaScript TypeScript REST APIs UI Components Responsive Design iOS Android Collaboration

Frontend Developer

Satori Mental Health

Jul 2023 - Jun 2024 (11 months)

Built responsive and accessible React applications from Figma designs using HTML5, CSS3, JavaScript, Redux, and React Hooks. Improved rendering efficiency by reducing unnecessary component re-renders.

React HTML5 CSS JavaScript Redux React Hooks Figma Responsive Design Accessibility Performance Optimization

React Native Developer

TechBeaver

Jan 2022 - Oct 2023 (1 year 9 months)

Developed and maintained production React Native applications across multiple client projects from development through release. Integrated RESTful APIs and built reusable mobile UI components.

React Native JavaScript REST APIs UI Components Debugging Stability User Experience

Frontend Developer Intern

Subshare Inc.

Aug 2021 - Jul 2022 (11 months)

Developed interactive React and React Native applications based on product and client requirements. Built reusable frontend components and integrated REST APIs while collaborating with cross-functional teams.

React React Native JavaScript REST APIs Responsive Design Collaboration

Frontend Developer Intern

Integrated Orange

May 2019 - Sep 2021 (2 years 4 months)

Developed responsive, interactive web apps using HTML, CSS, JavaScript, and modern tooling. Migrated legacy jQuery interfaces to React architecture, improving maintainability and development velocity.

HTML CSS JavaScript React REST APIs jQuery Migration