Senior React & Node.js Engineer (Next.js)

AHU technology; Newark (DE); On-site; USD 110,000 - 150,000; Full time

Job summary

AHU technology in Newark, Delaware is seeking a seasoned Full-Stack Developer to design, develop and maintain modern web applications. You will work with React.js on the frontend and Node.js or .NET Core on the backend to deliver robust RESTful services.

You will integrate third-party APIs, work with PostgreSQL, and apply established design patterns and best practices. Collaborative Agile or Waterfall environments and modern tooling (Babel, Webpack, NPM) are part of daily life.

Qualifications

• More than 5 years of professional software development experience.
• Minimum B1/B2 English proficiency, with the ability to communicate effectively in a professional work environment.
• Strong hands-on experience with React.js / ReactJS.
• Experience with JavaScript and TypeScript.
• Experience with Node.js, including knowledge applicable to Node.js 18.
• Knowledge and experience with the Next.js framework.
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, including JSON Web Token (JWT).
• Knowledge of software design patterns and the ability to identify at least three design patterns.
• Experience with PostgreSQL relational databases.
• Experience working with Agile or Waterfall methodologies.
• Familiarity with source/code version control tools such as Git, SVN, or Mercurial.
• Knowledge or experience with AWS.
• Backend development experience using Node.js and/or .NET Core.
• In-depth knowledge of HTML, CSS, and JavaScript.
• Familiarity with modern front-end build pipelines and tools.
• Experience with common front-end development tools such as Babel, Webpack, and NPM.
• Familiarity with user experience (UX ) and application design and execution.
• Familiarity with third-party authentication providers.
• MoQ and NUnit experience is a plus.
• Additional unit testing experience is a plus.

Responsibilities

• Design, develop, and maintain web application user interfaces using React.js.
• Develop and maintain backend functionality using Node.js and/or .NET Core.
• Develop and integrate RESTful APIs for communication between application components and services.
• Integrate third-party APIs, services, and authentication providers.
• Develop solutions that use relational databases, including PostgreSQL.
• Apply software design patterns and established development practices when designing application solutions.
• Use modern front-end build pipelines and development tools, including tools such as Babel, Webpack, and NPM.
• Participate in software development activities using Agile or Waterfall methodologies.
• Use source control tools to manage and version application code.
• Contribute to testing, debugging, troubleshooting, and code quality activities.
• Collaborate with developers, designers, business analysts, QA, and other stakeholders to deliver application solutions.

Skills

React.js

JavaScript

TypeScript

Node.js

Next.js

REST APIs

JWT

PostgreSQL

AWS

HTML/CSS/JS

Git

Agile/Waterfall

Design patterns

UX basics

API integration

Backend Node/.NET

Webpack

NPM

Babel

Tools

Webpack

NPM

Babel

Job description

AHU technology in Newark, Delaware is seeking a seasoned Full-Stack Developer to design, develop and maintain modern web applications. You will work with React.js on the frontend and Node.js or .NET Core on the backend to deliver robust RESTful services.

You will integrate third-party APIs, work with PostgreSQL, and apply established design patterns and best practices. Collaborative Agile or Waterfall environments and modern tooling (Babel, Webpack, NPM) are part of daily life.