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Senior Frontend developer

Spire Systems IncJersey City, NJ🇺🇸United StatesPosted 17 Aug 2026

Why This Role Stands Out

This hybrid Senior Frontend Developer role at Spire Systems Inc offers exciting opportunities to build cutting-edge web applications using modern technologies like React, Next.js, and Sitecore JSS, with significant impact on project success. You'll thrive here if you're a skilled developer passionate about performance optimization, seamless integration, and collaborative development within a reputable company. Apply now to leverage your expertise and grow your career in a dynamic tech environment.

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

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

Skills

Next.js
Agile
Jest
React
TypeScript

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