Frontend Developer - React/Angular | Onsite Utica (3d/wk)

Quantum Technologies. LLC; City of Utica (NY); Hybrid; USD 85,000 - 120,000; Full time

Job summary

Quantum Technologies LLC seeks a skilled Frontend Developer with strong React.js, Angular, and .NET Core expertise to design, develop, and maintain responsive web applications. You will collaborate with backend, product, design, and QA teams to ensure performance, security, accessibility, and a seamless user experience.

Responsibilities include building components, integrating APIs, implementing authentication, and ensuring WCAG 2.1 AA compliance.

Qualifications

• Hands-on experience with React.js.
• Experience with Angular.js / Angular.
• Strong knowledge of HTML5, CSS3, and responsive design.
• Experience with RxJS, Redux, NgRx, and Flux architecture.
• Reusable component development and component libraries.
• Experience implementing UI/UX designs from Figma.
• Experience with .NET Core / ASP.NET Core.
• RESTful API development and integration.
• JWT authentication and OAuth 2.0.
• Knowledge of API security, Async/Await, DI, and SOLID.

Responsibilities

• Design, develop, and maintain responsive web apps using React.js and Angular.
• Build reusable UI components and scalable frontend architectures.
• Develop and maintain component libraries and design systems.
• Translate Figma designs into functional interfaces.
• Develop and integrate RESTful APIs using .NET Core and ASP.NET Core.
• Implement secure authentication and authorization using JWT and OAuth 2.0.
• Apply asynchronous programming, DI, and SOLID principles.
• Collaborate with backend teams for seamless integration.
• Implement state management with Redux, NgRx, RxJS, and Flux.

Skills

React.js

Angular

.NET Core

HTML5/CSS3

RESTful APIs

JWT/OAuth 2.0

State management

WCAG accessibility

Tools

ADO.NET

Entity Framework

EF Core

Dapper

Job description

Quantum Technologies LLC seeks a skilled Frontend Developer with strong React.js, Angular, and .NET Core expertise to design, develop, and maintain responsive web applications. You will collaborate with backend, product, design, and QA teams to ensure performance, security, accessibility, and a seamless user experience.

Responsibilities include building components, integrating APIs, implementing authentication, and ensuring WCAG 2.1 AA compliance.