Frontend Engineer: React/Angular + .NET Core - Onsite Utica

Ethereum Technologies; City of Utica (NY); On-site; USD 85,000 - 120,000; Full time

Job summary

Ethereum Technologies in Utica, NY is seeking a skilled Frontend Developer with strong expertise in React.js, Angular, and .NET Core to design, develop, and maintain responsive web applications.

The candidate will collaborate with backend developers, product managers, designers, and QA engineers to deliver high-quality applications while ensuring performance, security, accessibility, and a seamless user experience.

Qualifications

• Proficient with React.js and Angular frameworks.
• Strong HTML5/CSS3 and responsive design skills.
• Experience with Redux/NgRx/RxJS and UI component libraries.
• Backend integration experience with .NET Core and RESTful APIs.
• Familiar with JWT/OAuth 2.0 authentication and DI/SOLID.
• WCAG 2.1 AA accessibility knowledge and testing.

Responsibilities

• Design, develop, and maintain responsive web applications 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 with JWT/OAuth 2.0.
• Apply DI and SOLID principles; collaborate with backend teams.
• Implement state management with Redux/NgRx/RxJS/Flux; improve performance.

Skills

React.js

Angular

HTML5 & CSS3

Responsive design

UI/UX from Figma

Redux / NgRx / RxJS

RESTful API integration

Tools

.NET Core / ASP.NET Core

Entity Framework / EF Core

Dapper

SQL Server 2019/2022

ADO.NET

Jest / React Testing Library

Jasmine / Karma / xUnit / NUnit / MSTest

Job description

Ethereum Technologies in Utica, NY is seeking a skilled Frontend Developer with strong expertise in React.js, Angular, and .NET Core to design, develop, and maintain responsive web applications.

The candidate will collaborate with backend developers, product managers, designers, and QA engineers to deliver high-quality applications while ensuring performance, security, accessibility, and a seamless user experience.