Yomar Miranda

Personal Summary

Frontend engineer with 8+ years of experience developing high-performance web applications. Specialized in React, TypeScript, Javascript, and Redux, with extensive expertise in UI/UX, component design, responsive design, and scalable solutions. Passionate about writing clean, maintainable code and collaborating within cross-functional teams to deliver outstanding user experiences.

Primary Tech Stack

JavascriptTypeScriptReactReduxNext.jsNode.jsCSS in JSResponsive DesignHTML & CSS

Work Experience

Cover Wallet (an Aon Company)

Senior Software Engineer

2 years / 1 month

Website

Jun, 2023 - Jun, 2025

Colombia - Remote

Achievements

Developed and maintained high-quality React applications with TypeScript, Javascript, and Styled Components.
Enhanced application performance through optimization techniques for better user experience.
Contributed massively on multiple projects.
Worked closely with backend developers and product managers to ensure project requirements are met.

Tech Stack

ReactTypeScriptJavascriptReduxStyled ComponentsVue.jsVuexJestCypressReact Testing LibraryCSSHTMLViteWebpackGitGitHubGitLab

Commure

Senior Software Engineer

2 years / 6 months

Website

Aug, 2020 - Jan, 2023

Colombia - Remote

Achievements

Developed and maintained React applications with TypeScript, Javascript, Redux, and Styled Components.
Contributed to the Commure’s UI library, creating reusable and scalable components.
Participated in hiring processes, conducting technical interviews along with other engineers.
Established a style guide for web applications using React and Angular.
Conducted code reviews, unit testing (Jest, React Testing Library), and collaborated with QA teams to enhance product quality.

Tech Stack

ReactTypeScriptJavascriptReduxJestReact Testing LibraryStorybookGraphQLStyled ComponentsCSS ModulesSASSGitGitHubMaterial UI (MUI)HTML5CSS3Angular

Merlin Jobs

Software Engineer

2 years

Website

Sep, 2018 - Aug, 2020

Colombia - On-site

Achievements

Led the migration of the main application from AngularJS to Angular.
Implement web components (custom elements v1) to support interoperability between AngularJS and Angular.
Developed encapsulated UI components using shadow DOM and enabling styles isolation.
Worked closely with product and design teams to develop and enhance new features.
Contributed to bug fixes, unit tests, and code reviews to maintain high-quality standards.
Developed and maintained several web interfaces and responsive UI components.
Collaborated across multiple projects simultaneously.

Tech Stack

AngularJSAngularTypeScriptJavascriptWeb ComponentsNgRxRxJsReactReduxPWANode.jsJestJasmineHTML5CSS3WebpackGitGitHub

Data CRM

Software Engineer

1 year / 4 months

Website

Feb, 2017 - May, 2018

Colombia - On-site

Achievements

Mentored junior developers on JavaScript, CSS, and best practices.
Redesigned the website, implementing responsive design and SEO techniques.
Developed and shipped multiple core product features (CRM).
Participated in weekly code reviews with senior engineers to ensure code quality.
Built landing pages to support email marketing campaigns and company promotions.

Tech Stack

PHPJavascriptWordPressjQueryHTML5CSS3MySQLGit

SYSNET

Internship

3 months

Website

Oct, 2016 - Feb, 2017

Colombia - On-site

Achievements

Developed UI improvements and responsive designs using HTML, CSS, and JavaScript.
Implemented components with jQuery and KendoUI to optimize the user experience.
Reported and fixed bugs on the frontend, improving the stability of the application.

Tech Stack

PHPJavascriptKendoUIjQueryASP.NETHTMLCSSTFVC

Skills & Technologies

Frontend

JavascriptTypeScriptReactReduxNext.jsHTML & CSSCSS in JSStyled ComponentsStorybookAngularNgRxRxJsVue.jsVuex

Backend

Node.jsExpress.jsSQLGraphQLRest APIsPostgreSQLMySQLMongoDBPythonPHP

Others

JestReact Testing LibraryCypressViteWebpackGitGitHubGitLabDockerCSS PreprocessorsMaterial UI (MUI)VuetifyPWA