UI Developer

Valiant Technologies LLC; Philadelphia (Philadelphia County); On-site; USD 90,000 - 120,000; Full time

Job summary

Valiant Technologies LLC in Philadelphia is seeking an experienced frontend engineer to build modern UI components and single-page applications. You will translate designs into accessible interfaces and collaborate with UX and backend teams.

Responsibilities include implementing responsive layouts, integrating REST APIs, and maintaining coding standards within an Agile environment.

Qualifications

• Hands-on experience with React.js or Angular.

Responsibilities

• Build reusable UI components and front-end modules.
• Develop single-page applications using React.js, Angular, or Vue.js.
• Convert Figma and Adobe XD designs into functional user interfaces.
• Implement responsive layouts using CSS Grid, Flexbox, and Bootstrap.
• Integrate RESTful APIs and backend services into front-end applications.
• Optimize application performance, rendering, and loading speed.
• Implement state management using Redux, Context API, or NgRx.
• Follow accessibility standards and UI development best practices.
• Perform debugging, unit testing, and code reviews.
• Collaborate with UX designers, backend developers, and product teams.
• Maintain coding standards and participate in Agile/Scrum ceremonies.

Skills

React.js/Angular

Responsive design

REST APIs

Version control

Testing frameworks

Build tools

Tools

Bootstrap

Material UI

Tailwind CSS

Git/GitHub

Webpack/Vite

npm

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization:US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Key Responsibilities

• Build reusable UI components and front-end modules.
• Develop single-page applications using React.js, Angular, or Vue.js.
• Convert Figma and Adobe XD designs into functional user interfaces.
• Implement responsive layouts using CSS Grid, Flexbox, and Bootstrap.
• Integrate RESTful APIs and backend services into front-end applications.
• Optimize application performance, rendering, and loading speed.
• Implement state management using Redux, Context API, or NgRx.
• Follow accessibility standards and UI development best practices.
• Perform debugging, unit testing, and code reviews.
• Collaborate with UX designers, backend developers, and product teams.
• Maintain coding standards and participate in Agile/Scrum ceremonies.

Required Technical Skills

• Hands-on experience with React.js or Angular.
• Experience with Bootstrap, Material UI, and Tailwind CSS.
• Knowledge of REST APIs and JSON.
• Understanding of responsive and mobile-first development.
• Experience with Git, GitHub, and version control.
• Knowledge of Jest, Jasmine, or Cypress.
• Familiarity with Webpack, Vite, and npm.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.