Isioma David Chinonso

DAV I D CHINONSO S E N I O R CONTACT 1 - F RO N T E N D D E V E L O P E R PROFESSIONAL SUMMARY Frontend Developer with over 7 years of expertise in building responsive, user-centric web applications using React.js and modern JavaScript. Specialized in transforming complex designs into high-performance, accessible interfaces. Proven track record of improving user engagement by 40-50% and reducing load times by 60% across 35+ client projects. Port Harcourt, Nigeria- TECHNICAL SKILLS • • • • • • • Frontend Development 2 EDUCATION & CERTIFICATIONS UI/UX Design Bachelor of Science Performance Optimization University of Port Harcourt ( 01/2019 - 12/2023 ) Port Harcourt Communication Skills Ability to Work Under Pressure Studied Computer & Software Engineering. Programming Effective Time Managment 3 PROFESSIONAL EXPERIENCE Senior Frontend Developer LINKS Portfolio Instagram LinkedIn Tech Solutions NG Port Harcourt 01/2020 - Present • Led the development of over 20 responsive web applications using React.js, improving mobile user engagement by 50%. • Optimized website performance, reducing load times by 3 seconds through code splitting and lazy loading. • Implemented responsive designs that converted 30% more mobile users across e-commerce platforms. COURSES • Established a component library and coding standards, improving team productivity by 25%. Frontend Developer Digital Innovations Ltd 01/2017 - 12/2020 Lagos Google Mobile Web Specialist Certification • Developed over 15 responsive websites using modern CSS Grid and Flexbox layouts. React.js Advanced Patterns Certification • Enhanced user experience metrics by 40% through interactive JavaScript features and smooth animations. • Converted design mockups into pixel-perfect, cross-browser compatible web pages. • Collaborated with UX designers to implement accessible, user-friendly interfaces. 4 TECHNICAL SKILLS Frontend • React.js • JavaScript (ES6+) • TypeScript • HTML5 • CSS3 Styling • CSS Grid • Flexbox • SASS • Responsive Design • Mobile-First UI/UX • Figma • Wireframing • Prototyping • Design Implementation • Accessibility (WCAG) Tools • Git • Webpack • npm/yarn • Chrome DevTools • VS Code • Jest Methodologies • Agile/Scrum • Component-Driven Development • Performance Optimization 5 PROJECTS E-Learning Platform, React.js, JavaScript, CSS3 • Built an interactive learning platform serving over 10,000 monthly users with real-time progress tracking. • Increased mobile completion rates by 45% through responsive design and intuitive navigation. • Implemented reusable React components, reducing development time by 30% for new features. Healthcare Portal Redesign, React.js, TypeScript, SASS • Led frontend redesign focusing on accessibility and user experience, improving patient satisfaction by 60%. • Enhanced the appointment booking system with an intuitive UI/UX flow, reducing booking time by 50%. • Implemented responsive design ensuring a seamless experience across all devices.