Lead React Developer Job at JSR Tech Consulting, Newark, NJ

WkN3cVJsUXBIVEZxdkpSSzhYZHhuRFd6TGc9PQ==
  • JSR Tech Consulting
  • Newark, NJ

Job Description

Contract position with a major financial client in Newark, NJ. Hybrid, 2-3 days per week in the office required.

We are looking for an experienced Senior Lead React Developer with expertise in React, TypeScript, and test automation to lead our frontend development efforts. This role involves designing, implementing, and maintaining a scalable, high-performance frontend architecture while ensuring robust automated testing frameworks. You will work closely with cross-functional teams to deliver a stable, maintainable, and user-friendly application.

Our stack includes React with TypeScript on the frontend, Python for the API layer, and Playwright/Cypress for test automation. The ideal candidate is a frontend expert who understands modern state management, component-driven architecture, and best practices for performance optimization.

Responsibilities

1. Frontend Architecture & Development

  • Design and develop scalable, maintainable, and reusable React components.
  • Implement TypeScript best practices for strongly typed applications.
  • Architect efficient and optimized state management using Redux, Zustand, or Context API.
  • Improve application performance with techniques such as code splitting, lazy loading, memoization, and virtualized lists.
  • Ensure responsive and accessible UI using modern CSS methodologies (CSS-in-JS, Tailwind, Styled Components).

2. Test Automation & Quality Assurance

  • Develop and maintain automated testing frameworks using Playwright and Cypress.
  • Ensure comprehensive unit, integration, and end-to-end testing coverage.
  • Build test strategies for cross-browser and cross-device compatibility.
  • Implement strategies to reduce flakiness in test automation and maintain stability over time.
  • Work closely with backend and DevOps teams to integrate tests into CI/CD pipelines.

Job Tags

Contract work, 2 days per week, 3 days per week,

Similar Jobs

PGT Trucking, Inc.

Fleet Manager Job at PGT Trucking, Inc.

 ...Job Description Job Description Fleet Manager Responsibilities: Analyzes available loads to prioritize coverage and to determine which loads will contribute to a driver's total revenue earned. Secures, organizes and assigns loads to drivers in manner designed... 

Banner Health

Physician-Psychiatry: Addiction Medicine Job at Banner Health

 ...affiliation with the University of Arizona College of Medicine - Tucson, Banner University Medicial Center is recruiting BC/BE Addiction Medicine and Addiction Psychiatry specialists to join our team. Our Addiction Medicine Physicians are responsible for providing high-quality... 

HUB Engineering, PLLC

Forensic Civil Engineer Job at HUB Engineering, PLLC

 ...Company Description HUB Engineering, PLLC, based in Paramus, NJ, specializes in providing Forensic Engineering and Expert Witness services to the legal, insurance, construction, and public safety industries. Led by Himad Beg, P.E., the Principal and Founder, HUB Engineering... 

Addison Group

Graphic Designer Job at Addison Group

 ...Our client, a Retail company, is looking for a proactive, solutions focused Graphic Designer with Photography experience (on-white and creative photo experience). This is a part-time need where you work 20-30 hours per week and come into the Austin based studio on an... 

Amazon

Area Manager II - Goodyear, AZ Job at Amazon

 ...Description Our WW Operations network delivers millions of packages and smiles to Amazon customers every day. We are looking for motivated, customer-focused individuals who want to join our team as an Area Manager. In this role, you will lead a team of hourly workforce...