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# Frontend Developer III

- **Company:** ICONMA LLC
- **Location:** Jersey City, NJ, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, JavaScript (Programming Language), Agile Methodology, HTML5, Unit Testing, Cascading Style Sheets (CSS), Code Coverage, Software Quality, Code Review, System Configuration, Continuous Delivery, Continuous Integration, Design of User Interfaces, Human-Computer Interaction, Performance Tuning, Next.js, Responsive Web Design, Data Streaming, Systems Integration, TypeScript, Web Performance Optimization, ReactJS, Delivery Pipeline, Backend, Git, Build Tools, Front End Software Development, Sitecore
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/frontend-developer-iii-jersey-city-nj--a67a90ec-05f2-4fac-be2e-a2bbe5e8c1a6

## About the Role

User Interface/Experience (UI/UX), Finance, User Interface/Experience (UI/UX), JavaScript, Continuous Deployment/Delivery, Continuous Integration, Editing, State Library, Testing, Quality Assurance, * Core Technologies:

 * Proficient in React, Next.js, TypeScript, SCSS and HTML5.
 * Strong understanding of Server-Side Rendering (SSR), Static Site Generation (SSG), and Incremental Static Regeneration (ISG).
 * 4-8 years of practical experience using above technologies
 * Sitecore JSS:
 * Experience with Sitecore JSS for creating seamless, editable components.
 * Understanding of integrating Sitecore Experience Editor.
 * Testing:
 * Proficient with Jest for unit testing and ensuring code quality.
 * Familiarity with test-driven development (TDD) practices.
 * Performance Optimization:
 * Experience optimizing web performance, particularly in SSR/SSG environments.
 * Other:
 * Experience working with Git and CI/CD tools.
 * Familiarity with setting up projects from scratch, including project structure, building configurations, and deployment pipelines.

## Description

Our Client, a Financial company, is looking for a Frontend Developer III for their Jersey City, NJ location.

Responsibilities:

 * Project Setup & Configuration:
 * Lead the initial setup and configuration of a Sitecore JSS and Next.js TypeScript project.
 * Integrate Next.js frameworks like SSR (Server-Side Rendering), SSG (Static Site Generation), and ISG (Incremental Static Regeneration) for optimal performance and scalability.
 * Set up and configure build tools, CI/CD pipelines, and development environments.
 * Frontend Development:
 * Develop dynamic and responsive user interfaces using React, TypeScript, SCSS, and Sitecore JSS.
 * Ensure seamless integration with the Sitecore Experience Editor for editing content in real-time.
 * Implement reusable components, hook, and React state management libraries.
 * Testing & Quality Assurance:
 * Write and maintain unit tests using the Jest framework to ensure code quality.
 * Implement end-to-end testing to cover UI and API integration.
 * Collaborate with QA to ensure comprehensive test coverage.
 * Performance Optimization & Security:
 * Optimize frontend performance by leveraging Next.js best practices, including code-splitting and lazy-loading.
 * Implement a robust Content Security Policy (CSP) and maintain high security standards for client-side rendering.
 * Optimize the project for SEO using best practices in SSR and SSG.
 * Collaboration & Communication:
 * Work closely with backend developers to ensure seamless API integration and data flow.
 * Collaborate with UI/UX designers to translate design mockups into high-quality code.
 * Participate in code reviews and collaborate in an Agile development environment.