Daniel Lawal

Daniel Lawal

$30/hr
I build web applications using modern web technologies
Reply rate:
-
Availability:
Hourly ($/hour)
Location:
Lagos, Lagos, Nigeria
Experience:
7 years
LAWAL DANIEL-| - Linkedin: https://www.linkedin.com/in/lawal-daniel-538b1013b/ Github: https://github.com/cimthog Summary Senior Frontend Engineer with 7+ years of experience architecting high-performance web applications using React and TypeScript. Proven track record of reducing load times by 50%, implementing advanced front-end optimization strategies, and leading engineering teams. Expertise in building scalable component systems, optimizing Core Web Vitals, and delivering exceptional user experiences. Skills Core Technologies: React.js, TypeScript, JavaScript (ES6+), HTML5, CSS3 Frontend Tools: Next.js, Webpack, Vite, TailwindCSS, Redux, React Query Testing & Quality: Jest, Cypress, React Testing Library, Web Vitals, Lighthouse Build & Deploy: GitHub Actions, Jenkins, Docker, AWS Additional: Node.js, GraphQL, RESTful APIs Professional Experience Senior Frontend Engineer Losode | Jun 2021 - Dec 2024 ●​ Architected and led the development of a high-performance B2B e-commerce platform using React.js, Next.js, and TypeScript ●​ Reduced Largest Contentful Paint (LCP) by 50% through the implementation of advanced image optimization strategies and lazy loading ●​ Established component design system and frontend architecture patterns, improving development velocity by 40% ●​ Led migration to Next.js, resulting in a 20% improvement in SEO metrics and Core Web Vitals scores ●​ Implemented client-side caching strategy reducing API calls by 30% and improving user experience ●​ Mentored junior developers through code reviews and architecture discussions, increasing team productivity by 40% Senior Frontend Developer Betty Bingo | Apr 2021 – Nov 2022 ●​ Spearheaded migration from class components to custom hooks architecture, improving code maintainability by 25% ●​ Developed comprehensive frontend testing strategy using Jest and React Testing Library, reducing QA time by 30% ●​ Built and maintained a reusable component library with Storybook, reducing new feature development time by 35% ●​ Implemented performance monitoring using Lighthouse CI, achieving and maintaining 90+ scores across all metrics ●​ Enhanced frontend security implementation through XSS prevention and secure authentication flows ●​ Optimized bundle size through code splitting and lazy loading, reducing initial load time by 40% Senior Software Engineer Food4ALL | Aug 2019 – Mar 2021 ●​ Led frontend development of a React Native application deployed to both iOS and Android platforms ●​ Implemented efficient state management using Redux Toolkit, reducing component re-renders by 45% ●​ Optimized mobile performance through the implementation of: ●​ Hermes engine integration, reducing startup time by 30% ●​ Image caching and compression, decreasing load times by 25% ●​ Offline-first architecture using AsyncStorage ●​ Established frontend CI/CD pipeline using GitHub Actions, reducing deployment time by 50% ●​ Implemented comprehensive error tracking using Sentry, decreasing user-reported bugs by 35% ●​ Implemented Bluetooth Low Energy Interface between Raspberry Pi and the mobile application having a throughput of about 0.7-2.1 mbits/s. Software Engineer Enye | Apr 2019 – Aug 2019 ●​ Developed Node.js back-end and Firebase cloud functions for handling user authentication and Firestore data manipulation, resulting in a 40% reduction in authentication time and a 30% increase in data manipulation efficiency. ●​ Wrote a large and efficient cron-job system for performing periodic tasks on the back-end side without any front-end requests ●​ Structured the database to optimise real-time data usage and storage using MongoDB, leading to a reduction in data access time and a 20% increase in data storage capacity. ●​ Optimized front-end performance using Vite and image compression tools like JPEGmini, reducing website load times by 2 seconds and increasing user satisfaction by 15%. ●​ Leveraged Node.js Passport authentication strategies for encrypted JSON Web Token requests, providing stateless user identification and eliminating the need for additional database queries, this resulted in a faster authentication time. Frontend Engineer Grandilo | Jul 2017 – Sept 2018 ●​ Rebuilt legacy application using Vue.js and TailwindCSS, improving performance scores by 40% ●​ Implemented WCAG 2.1 accessibility standards, achieving AA compliance ●​ Developed reusable component system reducing development time for new features by 30% ●​ Led implementation of automated frontend testing, achieving 80% code coverage ●​ Optimized critical rendering path, reducing Time to Interactive by 2 seconds Education Bachelor's Degree in Electrical and Electronics Engineering Ladoke Akintola University of Technology, 2013 - 2020
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