Alex Johnson

Senior Frontend Developer
San Francisco, US.

About

Highly skilled Senior Frontend Developer with 7+ years of experience specializing in building responsive, high-performance web applications using modern JavaScript frameworks like React and Vue. Proven ability to translate complex design concepts into intuitive user interfaces, optimizing for speed and scalability. Adept at collaborating with cross-functional teams to deliver impactful digital solutions that enhance user experience and drive business growth.

Work

Tech Solutions Inc.
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Senior Frontend Developer

San Francisco, CA, US

Summary

Led the development of scalable frontend architecture and user interfaces for enterprise-level applications, significantly enhancing performance and user engagement.

Highlights

Architected and implemented a new component library using React and TypeScript, reducing development time by 25% and ensuring consistent UI across 5+ products.

Optimized application performance, decreasing page load times by 40% through code splitting, lazy loading, and image optimization, improving user retention.

Mentored a team of 3 junior developers, fostering best practices in clean code and test-driven development, leading to a 15% reduction in post-deployment bugs.

Collaborated with UX/UI designers and backend engineers to integrate RESTful APIs, delivering seamless user experiences for over 100,000 active users.

Innovate Digital Agency
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Frontend Developer

New York, NY, US

Summary

Developed and maintained responsive web applications for diverse clients, focusing on user experience and cross-browser compatibility.

Highlights

Developed 10+ responsive websites and web applications from concept to deployment using HTML5, CSS3, and JavaScript, ensuring cross-browser compatibility.

Integrated third-party APIs and libraries (e.g., Google Maps, Stripe) to enhance functionality, resulting in a 20% increase in feature adoption for client projects.

Implemented SEO best practices and accessibility standards (WCAG 2.1), improving client website search rankings by an average of 15%.

Participated in agile sprints, delivering features on time and contributing to a 10% improvement in team velocity over 6 months.

Education

University of Technology
Anytown, USA, United States of America

Bachelor of Science

Computer Science

Grade: 3.8/4.0

Courses

Data Structures and Algorithms

Web Development Fundamentals

Object-Oriented Programming

Database Management

Languages

English

Skills

JavaScript

ES6+, TypeScript, Node.js.

React

Hooks, Redux, Context API, Next.js.

Vue.js

Vuex, Vue Router, Nuxt.js.

HTML5

Semantic HTML, Accessibility (A11y).

CSS3

Sass, Less, Styled-Components, Tailwind CSS, Responsive Design.

Version Control

Git, GitHub, GitLab.

Testing

Jest, Enzyme, React Testing Library, Cypress.

Build Tools

Webpack, Babel, NPM, Yarn.

UI/UX Design

Figma, Sketch, Wireframing, Prototyping, User-Centered Design.

Agile Methodologies

Scrum, Kanban, Jira.

Web Performance Optimization

Lazy Loading, Code Splitting, Image Optimization, Lighthouse.

API Integration

RESTful APIs, GraphQL, Axios, Fetch API.

Projects

E-commerce Platform Redesign

Summary

Led the frontend redesign and re-platforming of a major e-commerce website to improve user experience and conversion rates.