Senior Frontend Engineer - React/Angular Expert

CORE SKILLS

NAYLEN RAMIREZ

*********@*****.*** 786-***-**** Miami, Fl

SOFTWARE ENGINEER

PROFESSIONAL EXPERIENCE

UI & Design: Figma, Storybook, Design Systems, Tailwind CSS, Component Libraries Frontend: React, Next.js, Angular, TypeScript, JavaScript (ES6+), HTML5,CSS3, SCSS AI Integration: OpenAI API integrations, AI-assisted development tools (Claude, GitHub Copilot) State & Data: Redux, NgRx, RxJS, GraphQL, REST APIs Tooling & Cloud: Git, Azure DevOps, AWS (collaboration), Webpack Senior Frontend Engineer with 10+ years of experience delivering measurable business impact through scalable frontend architectures. Led modernization initiatives that improved application performance by up to 35%, reduced load times by 30%, and accelerated feature delivery cycles across enterprise platforms. Specialized in transforming legacy systems into high-performing React and Angular applications aligned with product growth and operational efficiency. Sr. Frontend Engineer

Ryder, Miami, FL

Modernized legacy internal platforms into React/Next.js architectures, improving performance and navigation responsiveness by ~35%.

May 2021 – Present

Designed reusable UI systems aligned with shared design system standards, reducing duplicated code accross teams by 25%.

Collaborated closely with product, design, and backend teams to translate Figma designs and business requirements into scalable, accessible, and reusable UI components. Collaborated with backend teams working in C#/.NET to refine API contracts and streamline data integration, reducing cross-team debugging cycles. UI-related defects.

Implemented optimized GraphQL integration and Redux state management, improving data consistency and reducing UI rendering bottlenecks. Modernized enterprise applications using Angular and React, incorporating PWA best practices such as service workers, caching strategies, and installable web configurations. Upgraded Angular-based modules to Angular 19, improving maintainability and reducing Leveraged AI-assisted development tools (Claude, GitHub Copilot) and explored OpenAI API integrations to prototype intelligent features and improve engineering productivity. Sr. Frontend Engineer

AutoNation, Fort Lauderdale, FL

Developed real-time vehicle inventory platform serving thousands of users daily. Implemented NgRx-powered filtering architecture to handle complex inventory states, improving scalability and maintainability.

Developed and maintained Angular-based applications integrated with Sitecore, building reusable UI components, and shared design standard, reducing feature delivery time by ~20%. March 2020 – July 2021

NAYLEN RAMIREZ

*********@*****.*** 786-***-**** Miami, Fl

Software Engineer

CHUBB, Miami, FL

consistent, production-ready UI components.

Improved performance through lazy loading and bundle optimization. Improved cloud-based deployment stability across AWS-hosted environments by collaborating with DevOps on CI/CD workflows.

Collaborated with product and design teamsusing Figma to translate UX wireframes into October 2013 – August 2017

Sr. Frontend Engineer

Reloquest, Weston, FL

May 2019 – February 2020

Worked on a cloud-based, real-time sourcing platform connecting clients, suppliers, and guests within the temporary housing and serviced apartment industry. Collaborated with backend engineers to integrate RESTful microservices hosted in AWS, ensuring Built dynamic filtering and autocomplete components that improved user interaction speed and reduced support tickets related to search flows, using Angular, TypeScript, HTML5, SCSS, Bulma, and Bootstrap.

reliable data binding and smooth application flows. Optimized asset delivery and Webpack build configuration, reducing page load time by up to 30% and improving Lighthouse performance scores.

Followed component-based architecture, practiced test-driven development with Jasmine/Karma, and worked within an Agile/Scrum environment using Jira. Frontend Engineer

Revelex Inc., Boca Raton, FL

August 2017 - May 2019

Worked on a B2B travel booking platform supporting multiple verticals including cruise, hotel, air, car, and tour products. Designed, developed, and maintained UI for 15+ private-label websites, building responsive, reusable interfaces using Angular (v6), BackboneJS, jQuery, HTML5, and SCSS. Contributed to internal UI frameworks by developing shared component libraries and styling systems.

Collaborated with cross-functional stakeholders to translate mockups into production-ready, responsive user interfaces, following version control best practices with Git. Focused on performance optimization and SEO best practices, improving site speed through asset optimization, CDN usage, and modular SCSS architecture. Contributed to enterprise insurance applications by developing and maintaining ServiceNow features using Angular (v2) and .NET. Improved legacy UI/UX by modernizing interfaces based on updated design standards, implementing responsive, cross-browser layouts with HTML, CSS, SCSS, Flexbox, and Bootstrap.

EDUCATION

NAYLEN RAMIREZ

*********@*****.*** 786-***-**** Miami, Fl

Certifications

Microsoft Specialist: Programming in HTML5 with JavaScript and CSS3 Microsoft Specialist: Programming in C#

Course of Web Programming Services

Miami Sunset Adult Educational Center.

Bachelor’s Degree in Computer Engineering

UCI. University of Informatics Sciences Havana, Cuba April 2014 – December 2015

September 2006 – July 2011

October 2016

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